diff options
Diffstat (limited to 'lib/crypto/c_src/crypto.c')
| -rw-r--r-- | lib/crypto/c_src/crypto.c | 2554 |
1 files changed, 903 insertions, 1651 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index e9cac30c9c..bb2771163d 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -91,6 +91,7 @@ #endif #if OPENSSL_VERSION_NUMBER >= 0x1000100fL +# define HAVE_EVP_AES_CTR # define HAVE_GCM #endif @@ -98,6 +99,10 @@ # define HAVE_CHACHA20_POLY1305 #endif +#if OPENSSL_VERSION_NUMBER <= 0x009080cfL +# define HAVE_ECB_IVEC_BUG +#endif + #if defined(HAVE_EC) #include <openssl/ec.h> #include <openssl/ecdh.h> @@ -193,57 +198,20 @@ static void unload(ErlNifEnv* env, void* priv_data); /* The NIFs: */ static ERL_NIF_TERM info_lib(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM algorithms(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM md5(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM md5_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM md5_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM md5_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM ripemd160(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM ripemd160_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM ripemd160_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM ripemd160_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha224_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha224_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha224_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha224_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha256_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha256_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha256_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha256_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha384_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha384_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha384_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha384_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha512_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha512_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha512_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha512_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM md4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM md4_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM md4_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM md4_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM md5_mac_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha_mac_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha224_mac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha256_mac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha384_mac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM sha512_mac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM hmac_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM hmac_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM hmac_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM des_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM des_cfb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM des_ecb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM des_ede3_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM des_ede3_cfb_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM hash_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM hash_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM hash_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM hash_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM hmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM hmac_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM hmac_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM hmac_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM block_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM aes_cfb_8_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM aes_cfb_128_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM aes_ige_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM aes_ctr_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM aes_ctr_stream_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM aes_ctr_stream_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM aes_ecb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rand_bytes_1(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM strong_rand_bytes_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rand_bytes_3(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); @@ -252,13 +220,10 @@ static ERL_NIF_TERM rand_uniform_nif(ErlNifEnv* env, int argc, const ERL_NIF_TER static ERL_NIF_TERM mod_exp_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM dss_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rsa_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM aes_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM aes_ige_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM do_exor(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rc4_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rc4_set_key(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM rc2_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM dss_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rsa_public_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); @@ -270,10 +235,6 @@ static ERL_NIF_TERM dh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_T static ERL_NIF_TERM srp_value_B_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM srp_user_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM srp_host_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM bf_cfb64_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM bf_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM bf_ecb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); -static ERL_NIF_TERM blowfish_ofb64_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM ec_key_generate(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM ecdsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); @@ -291,32 +252,7 @@ static ERL_NIF_TERM chacha20_poly1305_decrypt(ErlNifEnv* env, int argc, const ER /* helpers */ static void init_algorithms_types(ErlNifEnv*); static void init_digest_types(ErlNifEnv* env); -static void hmac_md5(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf); -static void hmac_sha1(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf); -#ifdef HAVE_SHA224 -static void hmac_sha224(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf); -#endif -#ifdef HAVE_SHA256 -static void hmac_sha256(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf); -#endif -#ifdef HAVE_SHA384 -static void hmac_sha384(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf); -#endif -#ifdef HAVE_SHA512 -static void hmac_sha512(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf); -#endif +static void init_cipher_types(ErlNifEnv* env); #ifdef HAVE_EC static EC_KEY* ec_key_new(ErlNifEnv* env, ERL_NIF_TERM curve_arg); static int term2point(ErlNifEnv* env, ERL_NIF_TERM term, @@ -328,60 +264,25 @@ static int library_refc = 0; /* number of users of this dynamic library */ static ErlNifFunc nif_funcs[] = { {"info_lib", 0, info_lib}, {"algorithms", 0, algorithms}, - {"md5", 1, md5}, - {"md5_init", 0, md5_init}, - {"md5_update", 2, md5_update}, - {"md5_final", 1, md5_final}, - {"ripemd160", 1, ripemd160}, - {"ripemd160_init", 0, ripemd160_init}, - {"ripemd160_update", 2, ripemd160_update}, - {"ripemd160_final", 1, ripemd160_final}, - {"sha", 1, sha}, - {"sha_init", 0, sha_init}, - {"sha_update", 2, sha_update}, - {"sha_final", 1, sha_final}, - {"sha224_nif", 1, sha224_nif}, - {"sha224_init_nif", 0, sha224_init_nif}, - {"sha224_update_nif", 2, sha224_update_nif}, - {"sha224_final_nif", 1, sha224_final_nif}, - {"sha256_nif", 1, sha256_nif}, - {"sha256_init_nif", 0, sha256_init_nif}, - {"sha256_update_nif", 2, sha256_update_nif}, - {"sha256_final_nif", 1, sha256_final_nif}, - {"sha384_nif", 1, sha384_nif}, - {"sha384_init_nif", 0, sha384_init_nif}, - {"sha384_update_nif", 2, sha384_update_nif}, - {"sha384_final_nif", 1, sha384_final_nif}, - {"sha512_nif", 1, sha512_nif}, - {"sha512_init_nif", 0, sha512_init_nif}, - {"sha512_update_nif", 2, sha512_update_nif}, - {"sha512_final_nif", 1, sha512_final_nif}, - {"md4", 1, md4}, - {"md4_init", 0, md4_init}, - {"md4_update", 2, md4_update}, - {"md4_final", 1, md4_final}, - {"md5_mac_n", 3, md5_mac_n}, - {"sha_mac_n", 3, sha_mac_n}, - {"sha224_mac_nif", 3, sha224_mac_nif}, - {"sha256_mac_nif", 3, sha256_mac_nif}, - {"sha384_mac_nif", 3, sha384_mac_nif}, - {"sha512_mac_nif", 3, sha512_mac_nif}, - {"hmac_init", 2, hmac_init}, - {"hmac_update", 2, hmac_update}, - {"hmac_final", 1, hmac_final}, - {"hmac_final_n", 2, hmac_final}, - {"des_cbc_crypt", 4, des_cbc_crypt}, - {"des_cfb_crypt", 4, des_cfb_crypt}, - {"des_ecb_crypt", 3, des_ecb_crypt}, - {"des_ede3_cbc_crypt", 6, des_ede3_cbc_crypt}, - {"des_ede3_cfb_crypt_nif", 6, des_ede3_cfb_crypt_nif}, - {"aes_cfb_8_crypt", 4, aes_cfb_8_crypt}, - {"aes_cfb_128_crypt", 4, aes_cfb_128_crypt}, + {"hash_nif", 2, hash_nif}, + {"hash_init_nif", 1, hash_init_nif}, + {"hash_update_nif", 2, hash_update_nif}, + {"hash_final_nif", 1, hash_final_nif}, + {"hmac_nif", 3, hmac_nif}, + {"hmac_nif", 4, hmac_nif}, + {"hmac_init_nif", 2, hmac_init_nif}, + {"hmac_update_nif", 2, hmac_update_nif}, + {"hmac_final_nif", 1, hmac_final_nif}, + {"hmac_final_nif", 2, hmac_final_nif}, + {"block_crypt_nif", 5, block_crypt_nif}, + {"block_crypt_nif", 4, block_crypt_nif}, + {"aes_ige_crypt_nif", 4, aes_ige_crypt_nif}, + {"aes_ctr_encrypt", 3, aes_ctr_encrypt}, {"aes_ctr_decrypt", 3, aes_ctr_encrypt}, + {"aes_ctr_stream_init", 2, aes_ctr_stream_init}, {"aes_ctr_stream_encrypt", 2, aes_ctr_stream_encrypt}, {"aes_ctr_stream_decrypt", 2, aes_ctr_stream_encrypt}, - {"aes_ecb_crypt", 3, aes_ecb_crypt}, {"rand_bytes", 1, rand_bytes_1}, {"strong_rand_bytes_nif", 1, strong_rand_bytes_nif}, {"rand_bytes", 3, rand_bytes_3}, @@ -390,13 +291,10 @@ static ErlNifFunc nif_funcs[] = { {"mod_exp_nif", 4, mod_exp_nif}, {"dss_verify_nif", 4, dss_verify_nif}, {"rsa_verify_nif", 4, rsa_verify_nif}, - {"aes_cbc_crypt", 4, aes_cbc_crypt}, - {"aes_ige_crypt_nif", 4, aes_ige_crypt_nif}, {"do_exor", 2, do_exor}, {"rc4_encrypt", 2, rc4_encrypt}, {"rc4_set_key", 1, rc4_set_key}, {"rc4_encrypt_with_state", 2, rc4_encrypt_with_state}, - {"rc2_cbc_crypt", 4, rc2_cbc_crypt}, {"rsa_sign_nif", 3, rsa_sign_nif}, {"dss_sign_nif", 3, dss_sign_nif}, {"rsa_public_crypt", 4, rsa_public_crypt}, @@ -408,10 +306,6 @@ static ErlNifFunc nif_funcs[] = { {"srp_value_B_nif", 5, srp_value_B_nif}, {"srp_user_secret_nif", 7, srp_user_secret_nif}, {"srp_host_secret_nif", 5, srp_host_secret_nif}, - {"bf_cfb64_crypt", 4, bf_cfb64_crypt}, - {"bf_cbc_crypt", 4, bf_cbc_crypt}, - {"bf_ecb_crypt", 3, bf_ecb_crypt}, - {"blowfish_ofb64_encrypt", 3, blowfish_ofb64_encrypt}, {"ec_key_generate", 2, ec_key_generate}, {"ecdsa_sign_nif", 4, ecdsa_sign_nif}, @@ -432,37 +326,14 @@ static ErlNifFunc nif_funcs[] = { ERL_NIF_INIT(crypto,nif_funcs,load,NULL,upgrade,unload) -#define MD5_CTX_LEN (sizeof(MD5_CTX)) -#define MD5_LEN 16 -#define MD5_LEN_96 12 -#define MD4_CTX_LEN (sizeof(MD4_CTX)) -#define MD4_LEN 16 +#define MD5_CTX_LEN (sizeof(MD5_CTX)) +#define MD4_CTX_LEN (sizeof(MD4_CTX)) #define RIPEMD160_CTX_LEN (sizeof(RIPEMD160_CTX)) -#define RIPEMD160_LEN 20 -#define SHA_CTX_LEN (sizeof(SHA_CTX)) -#define SHA_LEN 20 -#define SHA_LEN_96 12 -#define SHA224_LEN (224/8) -#define SHA256_LEN (256/8) -#define SHA384_LEN (384/8) -#define SHA512_LEN (512/8) -#define HMAC_INT_LEN 64 -#define HMAC_INT2_LEN 128 - -#define HMAC_IPAD 0x36 -#define HMAC_OPAD 0x5c static ERL_NIF_TERM atom_true; static ERL_NIF_TERM atom_false; static ERL_NIF_TERM atom_sha; -static ERL_NIF_TERM atom_sha224; -static ERL_NIF_TERM atom_sha256; -static ERL_NIF_TERM atom_sha384; -static ERL_NIF_TERM atom_sha512; -static ERL_NIF_TERM atom_md5; -static ERL_NIF_TERM atom_md4; -static ERL_NIF_TERM atom_ripemd160; static ERL_NIF_TERM atom_error; static ERL_NIF_TERM atom_rsa_pkcs1_padding; static ERL_NIF_TERM atom_rsa_pkcs1_oaep_padding; @@ -489,6 +360,14 @@ static ERL_NIF_TERM atom_ppbasis; static ERL_NIF_TERM atom_onbasis; #endif +static ERL_NIF_TERM atom_aes_cfb8; +static ERL_NIF_TERM atom_aes_cfb128; +#ifdef HAVE_ECB_IVEC_BUG +static ERL_NIF_TERM atom_aes_ecb; +static ERL_NIF_TERM atom_des_ecb; +static ERL_NIF_TERM atom_blowfish_ecb; +#endif + static ErlNifResourceType* hmac_context_rtype; struct hmac_context { @@ -498,6 +377,87 @@ struct hmac_context }; static void hmac_context_dtor(ErlNifEnv* env, struct hmac_context*); +struct digest_type_t { + const char* type_str; + const EVP_MD* (*md_func)(void); /* NULL if notsup */ + ERL_NIF_TERM type_atom; +}; + +struct digest_type_t digest_types[] = +{ + {"md4", &EVP_md4}, + {"md5", &EVP_md5}, + {"ripemd160", &EVP_ripemd160}, + {"sha", &EVP_sha1}, + {"sha224", +#ifdef HAVE_SHA224 + &EVP_sha224 +#else + NULL +#endif + }, + {"sha256", +#ifdef HAVE_SHA256 + &EVP_sha256 +#else + NULL +#endif + }, + {"sha384", +#ifdef HAVE_SHA384 + &EVP_sha384 +#else + NULL +#endif + }, + {"sha512", +#ifdef HAVE_SHA512 + &EVP_sha512 +#else + NULL +#endif + }, + {NULL} +}; + +static struct digest_type_t* get_digest_type(ERL_NIF_TERM type); + +struct cipher_type_t { + const char* type_str; + const EVP_CIPHER* (*cipher_func)(void); /* NULL if notsup */ + const size_t key_len; /* != 0 to also match on key_len */ + ERL_NIF_TERM type_atom; +}; + +struct cipher_type_t cipher_types[] = +{ + {"rc2_cbc", &EVP_rc2_cbc}, + {"des_cbc", &EVP_des_cbc}, + {"des_cfb", &EVP_des_cfb8}, + {"des_ecb", &EVP_des_ecb}, + {"des_ede3_cbc", &EVP_des_ede3_cbc}, + {"des_ede3_cbf", +#ifdef HAVE_DES_ede3_cfb_encrypt + &EVP_des_ede3_cfb8 +#else + NULL +#endif + }, + {"blowfish_cbc", &EVP_bf_cbc}, + {"blowfish_cfb64", &EVP_bf_cfb64}, + {"blowfish_ofb64", &EVP_bf_ofb}, + {"blowfish_ecb", &EVP_bf_ecb}, + {"aes_cbc128", &EVP_aes_128_cbc}, + {"aes_cbc256", &EVP_aes_256_cbc}, + {"aes_cfb8", &EVP_aes_128_cfb8}, + {"aes_cfb128", &EVP_aes_128_cfb128}, + {"aes_ecb", &EVP_aes_128_ecb, 16}, + {"aes_ecb", &EVP_aes_256_ecb, 32}, + {NULL} +}; + +static struct cipher_type_t* get_cipher_type(ERL_NIF_TERM type, size_t key_len); + /* #define PRINTF_ERR0(FMT) enif_fprintf(stderr, FMT "\n") #define PRINTF_ERR1(FMT, A1) enif_fprintf(stderr, FMT "\n", A1) @@ -507,6 +467,21 @@ static void hmac_context_dtor(ErlNifEnv* env, struct hmac_context*); #define PRINTF_ERR1(FMT,A1) #define PRINTF_ERR2(FMT,A1,A2) +#if OPENSSL_VERSION_NUMBER >= 0x1000000fL +/* Define resource types for OpenSSL context structures. */ +static ErlNifResourceType* evp_md_ctx_rtype; +static void evp_md_ctx_dtor(ErlNifEnv* env, EVP_MD_CTX* ctx) { + EVP_MD_CTX_cleanup(ctx); +} +#endif + +#ifdef HAVE_EVP_AES_CTR +static ErlNifResourceType* evp_cipher_ctx_rtype; +static void evp_cipher_ctx_dtor(ErlNifEnv* env, EVP_CIPHER_CTX* ctx) { + EVP_CIPHER_CTX_cleanup(ctx); +} +#endif + static int verify_lib_version(void) { const unsigned long libv = SSLeay(); @@ -522,7 +497,6 @@ static int verify_lib_version(void) return 1; } - #ifdef HAVE_DYNAMIC_CRYPTO_LIB # if defined(DEBUG) @@ -558,7 +532,9 @@ static void error_handler(void* null, const char* errstr) static int init(ErlNifEnv* env, ERL_NIF_TERM load_info) { +#ifdef OPENSSL_THREADS ErlNifSysInfo sys_info; +#endif get_crypto_callbacks_t* funcp; struct crypto_callbacks* ccb; int nlocks = 0; @@ -590,7 +566,26 @@ static int init(ErlNifEnv* env, ERL_NIF_TERM load_info) PRINTF_ERR0("CRYPTO: Could not open resource type 'hmac_context'"); return 0; } - +#if OPENSSL_VERSION_NUMBER >= 0x1000000fL + evp_md_ctx_rtype = enif_open_resource_type(env, NULL, "EVP_MD_CTX", + (ErlNifResourceDtor*) evp_md_ctx_dtor, + ERL_NIF_RT_CREATE|ERL_NIF_RT_TAKEOVER, + NULL); + if (!evp_md_ctx_rtype) { + PRINTF_ERR0("CRYPTO: Could not open resource type 'EVP_MD_CTX'"); + return 0; + } +#endif +#ifdef HAVE_EVP_AES_CTR + evp_cipher_ctx_rtype = enif_open_resource_type(env, NULL, "EVP_CIPHER_CTX", + (ErlNifResourceDtor*) evp_cipher_ctx_dtor, + ERL_NIF_RT_CREATE|ERL_NIF_RT_TAKEOVER, + NULL); + if (!evp_cipher_ctx_rtype) { + PRINTF_ERR0("CRYPTO: Could not open resource type 'EVP_CIPHER_CTX'"); + return 0; + } +#endif if (library_refc > 0) { /* Repeated loading of this library (module upgrade). * Atoms and callbacks are already set, we are done. @@ -598,16 +593,9 @@ static int init(ErlNifEnv* env, ERL_NIF_TERM load_info) return 1; } - atom_true = enif_make_atom(env,"true"); + atom_true = enif_make_atom(env,"true"); atom_false = enif_make_atom(env,"false"); atom_sha = enif_make_atom(env,"sha"); - atom_sha224 = enif_make_atom(env,"sha224"); - atom_sha256 = enif_make_atom(env,"sha256"); - atom_sha384 = enif_make_atom(env,"sha384"); - atom_sha512 = enif_make_atom(env,"sha512"); - atom_md4 = enif_make_atom(env,"md4"); - atom_md5 = enif_make_atom(env,"md5"); - atom_ripemd160 = enif_make_atom(env,"ripemd160"); atom_error = enif_make_atom(env,"error"); atom_rsa_pkcs1_padding = enif_make_atom(env,"rsa_pkcs1_padding"); atom_rsa_pkcs1_oaep_padding = enif_make_atom(env,"rsa_pkcs1_oaep_padding"); @@ -632,8 +620,16 @@ static int init(ErlNifEnv* env, ERL_NIF_TERM load_info) atom_ppbasis = enif_make_atom(env,"ppbasis"); atom_onbasis = enif_make_atom(env,"onbasis"); #endif + atom_aes_cfb8 = enif_make_atom(env, "aes_cfb8"); + atom_aes_cfb128 = enif_make_atom(env, "aes_cfb128"); +#ifdef HAVE_ECB_IVEC_BUG + atom_aes_ecb = enif_make_atom(env, "aes_ecb"); + atom_des_ecb = enif_make_atom(env, "des_ecb"); + atom_blowfish_ecb = enif_make_atom(env, "blowfish_ecb"); +#endif init_digest_types(env); + init_cipher_types(env); init_algorithms_types(env); #ifdef HAVE_DYNAMIC_CRYPTO_LIB @@ -718,46 +714,66 @@ static void unload(ErlNifEnv* env, void* priv_data) static int algo_hash_cnt; static ERL_NIF_TERM algo_hash[8]; /* increase when extending the list */ static int algo_pubkey_cnt; -static ERL_NIF_TERM algo_pubkey[3]; /* increase when extending the list */ +static ERL_NIF_TERM algo_pubkey[7]; /* increase when extending the list */ static int algo_cipher_cnt; -static ERL_NIF_TERM algo_cipher[4]; /* increase when extending the list */ +static ERL_NIF_TERM algo_cipher[20]; /* increase when extending the list */ static void init_algorithms_types(ErlNifEnv* env) { algo_hash_cnt = 0; - algo_hash[algo_hash_cnt++] = atom_md4; - algo_hash[algo_hash_cnt++] = atom_md5; algo_hash[algo_hash_cnt++] = atom_sha; - algo_hash[algo_hash_cnt++] = atom_ripemd160; #ifdef HAVE_SHA224 - algo_hash[algo_hash_cnt++] = atom_sha224; + algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha224"); #endif #ifdef HAVE_SHA256 - algo_hash[algo_hash_cnt++] = atom_sha256; + algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha256"); #endif #ifdef HAVE_SHA384 - algo_hash[algo_hash_cnt++] = atom_sha384; + algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha384"); #endif #ifdef HAVE_SHA512 - algo_hash[algo_hash_cnt++] = atom_sha512; + algo_hash[algo_hash_cnt++] = enif_make_atom(env, "sha512"); #endif + algo_hash[algo_hash_cnt++] = enif_make_atom(env, "md4"); + algo_hash[algo_hash_cnt++] = enif_make_atom(env, "md5"); + algo_hash[algo_hash_cnt++] = enif_make_atom(env, "ripemd160"); algo_pubkey_cnt = 0; + algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "rsa"); + algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "dss"); + algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "dh"); #if defined(HAVE_EC) #if !defined(OPENSSL_NO_EC2M) - algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env,"ec_gf2m"); + algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "ec_gf2m"); #endif - algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env,"ecdsa"); - algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env,"ecdh"); + algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "ecdsa"); + algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "ecdh"); #endif + algo_pubkey[algo_pubkey_cnt++] = enif_make_atom(env, "srp"); algo_cipher_cnt = 0; + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des3_cbc"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des_ede3"); #ifdef HAVE_DES_ede3_cfb_encrypt algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des3_cbf"); #endif + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cbc128"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cfb8"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cfb128"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_cbc256"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_ctr"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "aes_ecb"); #ifdef HAVE_AES_IGE algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"aes_ige256"); #endif + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"des_cbc"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"des_cfb"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_cbc"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_cfb64"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_ofb64"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"blowfish_ecb"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"rc2_cbc"); + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"rc4"); #if defined(HAVE_GCM) algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"aes_gcm"); #endif @@ -772,10 +788,13 @@ static void init_algorithms_types(ErlNifEnv* env) static ERL_NIF_TERM algorithms(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { + int hash_cnt = algo_hash_cnt; + int pubkey_cnt = algo_pubkey_cnt; + int cipher_cnt = algo_cipher_cnt; return enif_make_tuple3(env, - enif_make_list_from_array(env, algo_hash, algo_hash_cnt), - enif_make_list_from_array(env, algo_pubkey, algo_pubkey_cnt), - enif_make_list_from_array(env, algo_cipher, algo_cipher_cnt)); + enif_make_list_from_array(env, algo_hash, hash_cnt), + enif_make_list_from_array(env, algo_pubkey, pubkey_cnt), + enif_make_list_from_array(env, algo_cipher, cipher_cnt)); } static ERL_NIF_TERM info_lib(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) @@ -805,564 +824,383 @@ static ERL_NIF_TERM info_lib(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[] ver_term)); } -static ERL_NIF_TERM md5(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Data) */ - ErlNifBinary ibin; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) { - return enif_make_badarg(env); - } - MD5((unsigned char *) ibin.data, ibin.size, - enif_make_new_binary(env,MD5_LEN, &ret)); - CONSUME_REDS(env,ibin); - return ret; -} -static ERL_NIF_TERM md5_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* () */ - ERL_NIF_TERM ret; - MD5_Init((MD5_CTX *) enif_make_new_binary(env, MD5_CTX_LEN, &ret)); - return ret; -} -static ERL_NIF_TERM md5_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context, Data) */ - MD5_CTX* new_ctx; - ErlNifBinary ctx_bin, data_bin; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) - || ctx_bin.size != MD5_CTX_LEN - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) { +static ERL_NIF_TERM hash_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Type, Data) */ + struct digest_type_t *digp = NULL; + const EVP_MD *md; + ErlNifBinary data; + ERL_NIF_TERM ret; + unsigned ret_size; + + digp = get_digest_type(argv[0]); + if (!digp || + !enif_inspect_iolist_as_binary(env, argv[1], &data)) { return enif_make_badarg(env); } - new_ctx = (MD5_CTX*) enif_make_new_binary(env,MD5_CTX_LEN, &ret); - memcpy(new_ctx, ctx_bin.data, MD5_CTX_LEN); - MD5_Update(new_ctx, data_bin.data, data_bin.size); - CONSUME_REDS(env,data_bin); - return ret; -} -static ERL_NIF_TERM md5_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context) */ - ErlNifBinary ctx_bin; - MD5_CTX ctx_clone; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != MD5_CTX_LEN) { - return enif_make_badarg(env); + if (!digp->md_func) { + return atom_notsup; } - memcpy(&ctx_clone, ctx_bin.data, MD5_CTX_LEN); /* writable */ - MD5_Final(enif_make_new_binary(env, MD5_LEN, &ret), &ctx_clone); - return ret; -} -static ERL_NIF_TERM ripemd160(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Data) */ - ErlNifBinary ibin; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) { - return enif_make_badarg(env); + md = digp->md_func(); + ret_size = (unsigned)EVP_MD_size(md); + ASSERT(0 < ret_size && ret_size <= EVP_MAX_MD_SIZE); + if (!EVP_Digest(data.data, data.size, + enif_make_new_binary(env, ret_size, &ret), &ret_size, + md, NULL)) { + return atom_notsup; } - RIPEMD160((unsigned char *) ibin.data, ibin.size, - enif_make_new_binary(env,RIPEMD160_LEN, &ret)); - CONSUME_REDS(env,ibin); - return ret; -} -static ERL_NIF_TERM ripemd160_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* () */ - ERL_NIF_TERM ret; - RIPEMD160_Init((RIPEMD160_CTX *) enif_make_new_binary(env, RIPEMD160_CTX_LEN, &ret)); + ASSERT(ret_size == (unsigned)EVP_MD_size(md)); + + CONSUME_REDS(env, data); return ret; } -static ERL_NIF_TERM ripemd160_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context, Data) */ - RIPEMD160_CTX* new_ctx; - ErlNifBinary ctx_bin, data_bin; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) - || ctx_bin.size != RIPEMD160_CTX_LEN - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) { + +#if OPENSSL_VERSION_NUMBER >= 0x1000000fL + +static ERL_NIF_TERM hash_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Type) */ + struct digest_type_t *digp = NULL; + EVP_MD_CTX *ctx; + ERL_NIF_TERM ret; + + digp = get_digest_type(argv[0]); + if (!digp) { return enif_make_badarg(env); } - new_ctx = (RIPEMD160_CTX*) enif_make_new_binary(env,RIPEMD160_CTX_LEN, &ret); - memcpy(new_ctx, ctx_bin.data, RIPEMD160_CTX_LEN); - RIPEMD160_Update(new_ctx, data_bin.data, data_bin.size); - CONSUME_REDS(env, data_bin); - return ret; -} -static ERL_NIF_TERM ripemd160_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context) */ - ErlNifBinary ctx_bin; - RIPEMD160_CTX ctx_clone; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != RIPEMD160_CTX_LEN) { - return enif_make_badarg(env); + if (!digp->md_func) { + return atom_notsup; } - memcpy(&ctx_clone, ctx_bin.data, RIPEMD160_CTX_LEN); /* writable */ - RIPEMD160_Final(enif_make_new_binary(env, RIPEMD160_LEN, &ret), &ctx_clone); - return ret; -} - -static ERL_NIF_TERM sha(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Data) */ - ErlNifBinary ibin; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) { - return enif_make_badarg(env); + ctx = enif_alloc_resource(evp_md_ctx_rtype, sizeof(EVP_MD_CTX)); + if (!EVP_DigestInit(ctx, digp->md_func())) { + enif_release_resource(ctx); + return atom_notsup; } - SHA1((unsigned char *) ibin.data, ibin.size, - enif_make_new_binary(env,SHA_LEN, &ret)); - CONSUME_REDS(env,ibin); - return ret; -} -static ERL_NIF_TERM sha_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* () */ - ERL_NIF_TERM ret; - SHA1_Init((SHA_CTX *) enif_make_new_binary(env, SHA_CTX_LEN, &ret)); + ret = enif_make_resource(env, ctx); + enif_release_resource(ctx); return ret; } -static ERL_NIF_TERM sha_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +static ERL_NIF_TERM hash_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Context, Data) */ - SHA_CTX* new_ctx; - ErlNifBinary ctx_bin, data_bin; + EVP_MD_CTX *ctx, *new_ctx; + ErlNifBinary data; ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != SHA_CTX_LEN - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) { - return enif_make_badarg(env); + + if (!enif_get_resource(env, argv[0], evp_md_ctx_rtype, (void**)&ctx) || + !enif_inspect_iolist_as_binary(env, argv[1], &data)) { + return enif_make_badarg(env); } - new_ctx = (SHA_CTX*) enif_make_new_binary(env,SHA_CTX_LEN, &ret); - memcpy(new_ctx, ctx_bin.data, SHA_CTX_LEN); - SHA1_Update(new_ctx, data_bin.data, data_bin.size); - CONSUME_REDS(env,data_bin); + + new_ctx = enif_alloc_resource(evp_md_ctx_rtype, sizeof(EVP_MD_CTX)); + if (!EVP_MD_CTX_copy(new_ctx, ctx) || + !EVP_DigestUpdate(new_ctx, data.data, data.size)) { + enif_release_resource(new_ctx); + return atom_notsup; + } + + ret = enif_make_resource(env, new_ctx); + enif_release_resource(new_ctx); + CONSUME_REDS(env, data); return ret; } -static ERL_NIF_TERM sha_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +static ERL_NIF_TERM hash_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Context) */ - ErlNifBinary ctx_bin; - SHA_CTX ctx_clone; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != SHA_CTX_LEN) { - return enif_make_badarg(env); + EVP_MD_CTX *ctx, new_ctx; + ERL_NIF_TERM ret; + unsigned ret_size; + + if (!enif_get_resource(env, argv[0], evp_md_ctx_rtype, (void**)&ctx)) { + return enif_make_badarg(env); } - memcpy(&ctx_clone, ctx_bin.data, SHA_CTX_LEN); /* writable */ - SHA1_Final(enif_make_new_binary(env, SHA_LEN, &ret), &ctx_clone); - return ret; -} -static ERL_NIF_TERM sha224_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Data) */ -#ifdef HAVE_SHA224 - ErlNifBinary ibin; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) { - return enif_make_badarg(env); + ret_size = (unsigned)EVP_MD_CTX_size(ctx); + ASSERT(0 < ret_size && ret_size <= EVP_MAX_MD_SIZE); + + if (!EVP_MD_CTX_copy(&new_ctx, ctx) || + !EVP_DigestFinal(&new_ctx, + enif_make_new_binary(env, ret_size, &ret), + &ret_size)) { + return atom_notsup; } - SHA224((unsigned char *) ibin.data, ibin.size, - enif_make_new_binary(env,SHA224_LEN, &ret)); - CONSUME_REDS(env,ibin); - return ret; -#else - return atom_notsup; -#endif -} -static ERL_NIF_TERM sha224_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* () */ -#ifdef HAVE_SHA224 - ERL_NIF_TERM ret; - SHA224_Init((SHA256_CTX *) enif_make_new_binary(env, sizeof(SHA256_CTX), &ret)); + ASSERT(ret_size == (unsigned)EVP_MD_CTX_size(ctx)); + return ret; -#else - return atom_notsup; -#endif } -static ERL_NIF_TERM sha224_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context, Data) */ -#ifdef HAVE_SHA224 - SHA256_CTX* new_ctx; - ErlNifBinary ctx_bin, data_bin; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA256_CTX) - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) { + +#else /* if OPENSSL_VERSION_NUMBER < 1.0 */ + +static ERL_NIF_TERM hash_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Type) */ + typedef int (*init_fun)(unsigned char*); + struct digest_type_t *digp = NULL; + ERL_NIF_TERM ctx; + size_t ctx_size = 0; + init_fun ctx_init = 0; + + digp = get_digest_type(argv[0]); + if (!digp) { return enif_make_badarg(env); } - new_ctx = (SHA256_CTX*) enif_make_new_binary(env,sizeof(SHA256_CTX), &ret); - memcpy(new_ctx, ctx_bin.data, sizeof(SHA256_CTX)); - SHA224_Update(new_ctx, data_bin.data, data_bin.size); - CONSUME_REDS(env,data_bin); - return ret; -#else - return atom_notsup; -#endif -} -static ERL_NIF_TERM sha224_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context) */ -#ifdef HAVE_SHA224 - ErlNifBinary ctx_bin; - SHA256_CTX ctx_clone; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA256_CTX)) { - return enif_make_badarg(env); + if (!digp->md_func) { + return atom_notsup; } - memcpy(&ctx_clone, ctx_bin.data, sizeof(SHA256_CTX)); /* writable */ - SHA224_Final(enif_make_new_binary(env, SHA224_LEN, &ret), &ctx_clone); - return ret; -#else - return atom_notsup; -#endif -} -static ERL_NIF_TERM sha256_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Data) */ -#ifdef HAVE_SHA256 - ErlNifBinary ibin; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) { - return enif_make_badarg(env); - } - SHA256((unsigned char *) ibin.data, ibin.size, - enif_make_new_binary(env,SHA256_LEN, &ret)); - CONSUME_REDS(env,ibin); - return ret; -#else - return atom_notsup; + switch (EVP_MD_type(digp->md_func())) + { + case NID_md4: + ctx_size = MD4_CTX_LEN; + ctx_init = (init_fun)(&MD4_Init); + break; + case NID_md5: + ctx_size = MD5_CTX_LEN; + ctx_init = (init_fun)(&MD5_Init); + break; + case NID_ripemd160: + ctx_size = RIPEMD160_CTX_LEN; + ctx_init = (init_fun)(&RIPEMD160_Init); + break; + case NID_sha1: + ctx_size = sizeof(SHA_CTX); + ctx_init = (init_fun)(&SHA1_Init); + break; +#ifdef HAVE_SHA224 + case NID_sha224: + ctx_size = sizeof(SHA256_CTX); + ctx_init = (init_fun)(&SHA224_Init); + break; #endif -} -static ERL_NIF_TERM sha256_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* () */ #ifdef HAVE_SHA256 - ERL_NIF_TERM ret; - SHA256_Init((SHA256_CTX *) enif_make_new_binary(env, sizeof(SHA256_CTX), &ret)); - return ret; -#else - return atom_notsup; + case NID_sha256: + ctx_size = sizeof(SHA256_CTX); + ctx_init = (init_fun)(&SHA256_Init); + break; #endif -} -static ERL_NIF_TERM sha256_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context, Data) */ -#ifdef HAVE_SHA256 - SHA256_CTX* new_ctx; - ErlNifBinary ctx_bin, data_bin; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA256_CTX) - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) { - return enif_make_badarg(env); +#ifdef HAVE_SHA384 + case NID_sha384: + ctx_size = sizeof(SHA512_CTX); + ctx_init = (init_fun)(&SHA384_Init); + break; +#endif +#ifdef HAVE_SHA512 + case NID_sha512: + ctx_size = sizeof(SHA512_CTX); + ctx_init = (init_fun)(&SHA512_Init); + break; +#endif + default: + return atom_notsup; + } + ASSERT(ctx_size); + ASSERT(ctx_init); + + ctx_init(enif_make_new_binary(env, ctx_size, &ctx)); + return enif_make_tuple2(env, argv[0], ctx); +} +static ERL_NIF_TERM hash_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* ({Type, Context}, Data) */ + typedef int (*update_fun)(unsigned char*, const unsigned char*, size_t); + ERL_NIF_TERM new_ctx; + ErlNifBinary ctx, data; + const ERL_NIF_TERM *tuple; + int arity; + struct digest_type_t *digp = NULL; + unsigned char *ctx_buff; + size_t ctx_size = 0; + update_fun ctx_update = 0; + + if (!enif_get_tuple(env, argv[0], &arity, &tuple) || + arity != 2 || + !(digp = get_digest_type(tuple[0])) || + !enif_inspect_binary(env, tuple[1], &ctx) || + !enif_inspect_iolist_as_binary(env, argv[1], &data)) { + return enif_make_badarg(env); } - new_ctx = (SHA256_CTX*) enif_make_new_binary(env,sizeof(SHA256_CTX), &ret); - memcpy(new_ctx, ctx_bin.data, sizeof(SHA256_CTX)); - SHA256_Update(new_ctx, data_bin.data, data_bin.size); - CONSUME_REDS(env,data_bin); - return ret; -#else - return atom_notsup; + if (!digp->md_func) { + return atom_notsup; + } + + switch (EVP_MD_type(digp->md_func())) + { + case NID_md4: + ctx_size = MD4_CTX_LEN; + ctx_update = (update_fun)(&MD4_Update); + break; + case NID_md5: + ctx_size = MD5_CTX_LEN; + ctx_update = (update_fun)(&MD5_Update); + break; + case NID_ripemd160: + ctx_size = RIPEMD160_CTX_LEN; + ctx_update = (update_fun)(&RIPEMD160_Update); + break; + case NID_sha1: + ctx_size = sizeof(SHA_CTX); + ctx_update = (update_fun)(&SHA1_Update); + break; +#ifdef HAVE_SHA224 + case NID_sha224: + ctx_size = sizeof(SHA256_CTX); + ctx_update = (update_fun)(&SHA224_Update); + break; #endif -} -static ERL_NIF_TERM sha256_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context) */ #ifdef HAVE_SHA256 - ErlNifBinary ctx_bin; - SHA256_CTX ctx_clone; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA256_CTX)) { - return enif_make_badarg(env); - } - memcpy(&ctx_clone, ctx_bin.data, sizeof(SHA256_CTX)); /* writable */ - SHA256_Final(enif_make_new_binary(env, SHA256_LEN, &ret), &ctx_clone); - return ret; -#else - return atom_notsup; + case NID_sha256: + ctx_size = sizeof(SHA256_CTX); + ctx_update = (update_fun)(&SHA256_Update); + break; #endif -} - -static ERL_NIF_TERM sha384_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Data) */ #ifdef HAVE_SHA384 - ErlNifBinary ibin; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) { - return enif_make_badarg(env); - } - SHA384((unsigned char *) ibin.data, ibin.size, - enif_make_new_binary(env,SHA384_LEN, &ret)); - CONSUME_REDS(env,ibin); - return ret; -#else - return atom_notsup; + case NID_sha384: + ctx_size = sizeof(SHA512_CTX); + ctx_update = (update_fun)(&SHA384_Update); + break; #endif -} -static ERL_NIF_TERM sha384_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* () */ -#ifdef HAVE_SHA384 - ERL_NIF_TERM ret; - SHA384_Init((SHA512_CTX *) enif_make_new_binary(env, sizeof(SHA512_CTX), &ret)); - return ret; -#else - return atom_notsup; +#ifdef HAVE_SHA512 + case NID_sha512: + ctx_size = sizeof(SHA512_CTX); + ctx_update = (update_fun)(&SHA512_Update); + break; #endif -} -static ERL_NIF_TERM sha384_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context, Data) */ -#ifdef HAVE_SHA384 - SHA512_CTX* new_ctx; - ErlNifBinary ctx_bin, data_bin; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA512_CTX) - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) { - return enif_make_badarg(env); + default: + return atom_notsup; } - new_ctx = (SHA512_CTX*) enif_make_new_binary(env,sizeof(SHA512_CTX), &ret); - memcpy(new_ctx, ctx_bin.data, sizeof(SHA512_CTX)); - SHA384_Update(new_ctx, data_bin.data, data_bin.size); - CONSUME_REDS(env,data_bin); - return ret; -#else - return atom_notsup; -#endif -} -static ERL_NIF_TERM sha384_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context) */ -#ifdef HAVE_SHA384 - ErlNifBinary ctx_bin; - SHA512_CTX ctx_clone; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA512_CTX)) { - return enif_make_badarg(env); + ASSERT(ctx_size); + ASSERT(ctx_update); + + if (ctx.size != ctx_size) { + return enif_make_badarg(env); } - memcpy(&ctx_clone, ctx_bin.data, sizeof(SHA512_CTX)); /* writable */ - SHA384_Final(enif_make_new_binary(env, SHA384_LEN, &ret), &ctx_clone); - return ret; -#else - return atom_notsup; -#endif -} -static ERL_NIF_TERM sha512_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Data) */ -#ifdef HAVE_SHA512 - ErlNifBinary ibin; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) { - return enif_make_badarg(env); + ctx_buff = enif_make_new_binary(env, ctx_size, &new_ctx); + memcpy(ctx_buff, ctx.data, ctx_size); + ctx_update(ctx_buff, data.data, data.size); + + CONSUME_REDS(env, data); + return enif_make_tuple2(env, tuple[0], new_ctx); +} +static ERL_NIF_TERM hash_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* ({Type, Context}) */ + typedef int (*final_fun)(unsigned char*, void*); + ERL_NIF_TERM ret; + ErlNifBinary ctx; + const ERL_NIF_TERM *tuple; + int arity; + struct digest_type_t *digp = NULL; + const EVP_MD *md; + void *new_ctx; + size_t ctx_size = 0; + final_fun ctx_final = 0; + + if (!enif_get_tuple(env, argv[0], &arity, &tuple) || + arity != 2 || + !(digp = get_digest_type(tuple[0])) || + !enif_inspect_binary(env, tuple[1], &ctx)) { + return enif_make_badarg(env); } - SHA512((unsigned char *) ibin.data, ibin.size, - enif_make_new_binary(env,SHA512_LEN, &ret)); - CONSUME_REDS(env,ibin); - return ret; -#else - return atom_notsup; + if (!digp->md_func) { + return atom_notsup; + } + + md = digp->md_func(); + + switch (EVP_MD_type(md)) + { + case NID_md4: + ctx_size = MD4_CTX_LEN; + ctx_final = (final_fun)(&MD4_Final); + break; + case NID_md5: + ctx_size = MD5_CTX_LEN; + ctx_final = (final_fun)(&MD5_Final); + break; + case NID_ripemd160: + ctx_size = RIPEMD160_CTX_LEN; + ctx_final = (final_fun)(&RIPEMD160_Final); + break; + case NID_sha1: + ctx_size = sizeof(SHA_CTX); + ctx_final = (final_fun)(&SHA1_Final); + break; +#ifdef HAVE_SHA224 + case NID_sha224: + ctx_size = sizeof(SHA256_CTX); + ctx_final = (final_fun)(&SHA224_Final); + break; #endif -} -static ERL_NIF_TERM sha512_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* () */ -#ifdef HAVE_SHA512 - ERL_NIF_TERM ret; - SHA512_Init((SHA512_CTX *) enif_make_new_binary(env, sizeof(SHA512_CTX), &ret)); - return ret; -#else - return atom_notsup; +#ifdef HAVE_SHA256 + case NID_sha256: + ctx_size = sizeof(SHA256_CTX); + ctx_final = (final_fun)(&SHA256_Final); + break; #endif -} -static ERL_NIF_TERM sha512_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context, Data) */ -#ifdef HAVE_SHA512 - SHA512_CTX* new_ctx; - ErlNifBinary ctx_bin, data_bin; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA512_CTX) - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) { - return enif_make_badarg(env); - } - new_ctx = (SHA512_CTX*) enif_make_new_binary(env,sizeof(SHA512_CTX), &ret); - memcpy(new_ctx, ctx_bin.data, sizeof(SHA512_CTX)); - SHA512_Update(new_ctx, data_bin.data, data_bin.size); - CONSUME_REDS(env,data_bin); - return ret; -#else - return atom_notsup; +#ifdef HAVE_SHA384 + case NID_sha384: + ctx_size = sizeof(SHA512_CTX); + ctx_final = (final_fun)(&SHA384_Final); + break; #endif -} -static ERL_NIF_TERM sha512_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context) */ #ifdef HAVE_SHA512 - ErlNifBinary ctx_bin; - SHA512_CTX ctx_clone; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != sizeof(SHA512_CTX)) { - return enif_make_badarg(env); - } - memcpy(&ctx_clone, ctx_bin.data, sizeof(SHA512_CTX)); /* writable */ - SHA512_Final(enif_make_new_binary(env, SHA512_LEN, &ret), &ctx_clone); - return ret; -#else - return atom_notsup; + case NID_sha512: + ctx_size = sizeof(SHA512_CTX); + ctx_final = (final_fun)(&SHA512_Final); + break; #endif -} - - -static ERL_NIF_TERM md4(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Data) */ - ErlNifBinary ibin; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &ibin)) { - return enif_make_badarg(env); - } - MD4((unsigned char *) ibin.data, ibin.size, - enif_make_new_binary(env,MD4_LEN, &ret)); - CONSUME_REDS(env,ibin); - return ret; -} -static ERL_NIF_TERM md4_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* () */ - ERL_NIF_TERM ret; - MD4_Init((MD4_CTX *) enif_make_new_binary(env, MD4_CTX_LEN, &ret)); - return ret; -} -static ERL_NIF_TERM md4_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context, Data) */ - MD4_CTX* new_ctx; - ErlNifBinary ctx_bin, data_bin; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != MD4_CTX_LEN - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) { - return enif_make_badarg(env); + default: + return atom_notsup; } - new_ctx = (MD4_CTX*) enif_make_new_binary(env,MD4_CTX_LEN, &ret); - memcpy(new_ctx, ctx_bin.data, MD4_CTX_LEN); - MD4_Update(new_ctx, data_bin.data, data_bin.size); - CONSUME_REDS(env,data_bin); - return ret; -} -static ERL_NIF_TERM md4_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Context) */ - ErlNifBinary ctx_bin; - MD4_CTX ctx_clone; - ERL_NIF_TERM ret; - if (!enif_inspect_binary(env, argv[0], &ctx_bin) || ctx_bin.size != MD4_CTX_LEN) { - return enif_make_badarg(env); - } - memcpy(&ctx_clone, ctx_bin.data, MD4_CTX_LEN); /* writable */ - MD4_Final(enif_make_new_binary(env, MD4_LEN, &ret), &ctx_clone); - return ret; -} + ASSERT(ctx_size); + ASSERT(ctx_final); -static ERL_NIF_TERM md5_mac_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Data, MacSize) */ - unsigned char hmacbuf[SHA_DIGEST_LENGTH]; - ErlNifBinary key, data; - unsigned mac_sz; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) - || !enif_inspect_iolist_as_binary(env, argv[1], &data) - || !enif_get_uint(env,argv[2],&mac_sz) || mac_sz > MD5_LEN) { - return enif_make_badarg(env); + if (ctx.size != ctx_size) { + return enif_make_badarg(env); } - hmac_md5(key.data, key.size, data.data, data.size, hmacbuf); - memcpy(enif_make_new_binary(env, mac_sz, &ret), hmacbuf, mac_sz); - CONSUME_REDS(env,data); - return ret; -} -static ERL_NIF_TERM sha_mac_n(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Data, MacSize) */ - unsigned char hmacbuf[SHA_DIGEST_LENGTH]; - ErlNifBinary key, data; - unsigned mac_sz; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) - || !enif_inspect_iolist_as_binary(env, argv[1], &data) - || !enif_get_uint(env,argv[2],&mac_sz) || mac_sz > SHA_LEN) { - return enif_make_badarg(env); - } - hmac_sha1(key.data, key.size, data.data, data.size, hmacbuf); - memcpy(enif_make_new_binary(env, mac_sz, &ret), - hmacbuf, mac_sz); - CONSUME_REDS(env,data); - return ret; -} + new_ctx = enif_alloc(ctx_size); + memcpy(new_ctx, ctx.data, ctx_size); + ctx_final(enif_make_new_binary(env, (size_t)EVP_MD_size(md), &ret), + new_ctx); + enif_free(new_ctx); -static ERL_NIF_TERM sha224_mac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Data, MacSize) */ -#ifdef HAVE_SHA224 - unsigned char hmacbuf[SHA224_DIGEST_LENGTH]; - ErlNifBinary key, data; - unsigned mac_sz; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) - || !enif_inspect_iolist_as_binary(env, argv[1], &data) - || !enif_get_uint(env,argv[2],&mac_sz) || mac_sz > SHA224_DIGEST_LENGTH) { - return enif_make_badarg(env); - } - hmac_sha224(key.data, key.size, data.data, data.size, hmacbuf); - memcpy(enif_make_new_binary(env, mac_sz, &ret), - hmacbuf, mac_sz); - CONSUME_REDS(env,data); return ret; -#else - return atom_notsup; -#endif } +#endif /* OPENSSL_VERSION_NUMBER < 1.0 */ -static ERL_NIF_TERM sha256_mac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Data, MacSize) */ -#ifdef HAVE_SHA256 - unsigned char hmacbuf[SHA256_DIGEST_LENGTH]; - ErlNifBinary key, data; - unsigned mac_sz; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) - || !enif_inspect_iolist_as_binary(env, argv[1], &data) - || !enif_get_uint(env,argv[2],&mac_sz) || mac_sz > SHA256_DIGEST_LENGTH) { - return enif_make_badarg(env); - } - hmac_sha256(key.data, key.size, data.data, data.size, hmacbuf); - memcpy(enif_make_new_binary(env, mac_sz, &ret), - hmacbuf, mac_sz); - CONSUME_REDS(env,data); - return ret; -#else - return atom_notsup; -#endif -} +static ERL_NIF_TERM hmac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Type, Key, Data) or (Type, Key, Data, MacSize) */ + struct digest_type_t *digp = NULL; + ErlNifBinary key, data; + unsigned char buff[EVP_MAX_MD_SIZE]; + unsigned size = 0, req_size = 0; + ERL_NIF_TERM ret; -static ERL_NIF_TERM sha384_mac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Data, MacSize) */ -#ifdef HAVE_SHA384 - unsigned char hmacbuf[SHA384_DIGEST_LENGTH]; - ErlNifBinary key, data; - unsigned mac_sz; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) - || !enif_inspect_iolist_as_binary(env, argv[1], &data) - || !enif_get_uint(env,argv[2],&mac_sz) || mac_sz > SHA384_DIGEST_LENGTH) { - return enif_make_badarg(env); + digp = get_digest_type(argv[0]); + if (!digp || + !enif_inspect_iolist_as_binary(env, argv[1], &key) || + !enif_inspect_iolist_as_binary(env, argv[2], &data) || + (argc == 4 && !enif_get_uint(env, argv[3], &req_size))) { + return enif_make_badarg(env); } - hmac_sha384(key.data, key.size, data.data, data.size, hmacbuf); - memcpy(enif_make_new_binary(env, mac_sz, &ret), - hmacbuf, mac_sz); - CONSUME_REDS(env,data); - return ret; -#else - return atom_notsup; -#endif -} + if (!digp->md_func || + !HMAC(digp->md_func(), + key.data, key.size, + data.data, data.size, + buff, &size)) { + return atom_notsup; + } + ASSERT(0 < size && size <= EVP_MAX_MD_SIZE); + CONSUME_REDS(env, data); -static ERL_NIF_TERM sha512_mac_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Data, MacSize) */ -#ifdef HAVE_SHA512 - unsigned char hmacbuf[SHA512_DIGEST_LENGTH]; - ErlNifBinary key, data; - unsigned mac_sz; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) - || !enif_inspect_iolist_as_binary(env, argv[1], &data) - || !enif_get_uint(env,argv[2],&mac_sz) || mac_sz > SHA512_DIGEST_LENGTH) { - return enif_make_badarg(env); + if (argc == 4) { + if (req_size <= size) { + size = req_size; + } + else { + return enif_make_badarg(env); + } } - hmac_sha512(key.data, key.size, data.data, data.size, hmacbuf); - memcpy(enif_make_new_binary(env, mac_sz, &ret), - hmacbuf, mac_sz); - CONSUME_REDS(env,data); + memcpy(enif_make_new_binary(env, size, &ret), buff, size); return ret; -#else - return atom_notsup; -#endif } static void hmac_context_dtor(ErlNifEnv* env, struct hmac_context *obj) @@ -1374,53 +1212,46 @@ static void hmac_context_dtor(ErlNifEnv* env, struct hmac_context *obj) enif_mutex_destroy(obj->mtx); } -static ERL_NIF_TERM hmac_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +static ERL_NIF_TERM hmac_init_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Type, Key) */ - ErlNifBinary key; - struct hmac_context* obj; - const EVP_MD *md; - ERL_NIF_TERM ret; - + struct digest_type_t *digp = NULL; + ErlNifBinary key; + ERL_NIF_TERM ret; + struct hmac_context *obj; - if (argv[0] == atom_sha) md = EVP_sha1(); -#ifdef HAVE_SHA224 - else if (argv[0] == atom_sha224) md = EVP_sha224(); -#endif -#ifdef HAVE_SHA256 - else if (argv[0] == atom_sha256) md = EVP_sha256(); -#endif -#ifdef HAVE_SHA384 - else if (argv[0] == atom_sha384) md = EVP_sha384(); -#endif -#ifdef HAVE_SHA512 - else if (argv[0] == atom_sha512) md = EVP_sha512(); -#endif - else if (argv[0] == atom_md5) md = EVP_md5(); - else if (argv[0] == atom_ripemd160) md = EVP_ripemd160(); - else goto badarg; - - if (!enif_inspect_iolist_as_binary(env, argv[1], &key)) { - badarg: - return enif_make_badarg(env); + digp = get_digest_type(argv[0]); + if (!digp || + !enif_inspect_iolist_as_binary(env, argv[1], &key)) { + return enif_make_badarg(env); + } + if (!digp->md_func) { + return atom_notsup; } obj = enif_alloc_resource(hmac_context_rtype, sizeof(struct hmac_context)); obj->mtx = enif_mutex_create("crypto.hmac"); obj->alive = 1; - HMAC_CTX_init(&obj->ctx); - HMAC_Init(&obj->ctx, key.data, key.size, md); +#if OPENSSL_VERSION_NUMBER >= 0x1000000fL + // Check the return value of HMAC_Init: it may fail in FIPS mode + // for disabled algorithms + if (!HMAC_Init(&obj->ctx, key.data, key.size, digp->md_func())) { + enif_release_resource(obj); + return atom_notsup; + } +#else + HMAC_Init(&obj->ctx, key.data, key.size, digp->md_func()); +#endif ret = enif_make_resource(env, obj); enif_release_resource(obj); return ret; } -static ERL_NIF_TERM hmac_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +static ERL_NIF_TERM hmac_update_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Context, Data) */ ErlNifBinary data; struct hmac_context* obj; - if (!enif_get_resource(env, argv[0], hmac_context_rtype, (void**)&obj) || !enif_inspect_iolist_as_binary(env, argv[1], &data)) { return enif_make_badarg(env); @@ -1437,7 +1268,7 @@ static ERL_NIF_TERM hmac_update(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg return argv[0]; } -static ERL_NIF_TERM hmac_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +static ERL_NIF_TERM hmac_final_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Context) or (Context, HashLen) */ ERL_NIF_TERM ret; struct hmac_context* obj; @@ -1446,7 +1277,6 @@ static ERL_NIF_TERM hmac_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv unsigned int req_len = 0; unsigned int mac_len; - if (!enif_get_resource(env,argv[0],hmac_context_rtype, (void**)&obj) || (argc == 2 && !enif_get_uint(env, argv[1], &req_len))) { return enif_make_badarg(env); @@ -1473,199 +1303,196 @@ static ERL_NIF_TERM hmac_final(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv return ret; } -static ERL_NIF_TERM des_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Ivec, Text, IsEncrypt) */ - ErlNifBinary key, ivec, text; - DES_key_schedule schedule; - DES_cblock ivec_clone; /* writable copy */ - ERL_NIF_TERM ret; - +static ERL_NIF_TERM block_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Type, Key, Ivec, Text, IsEncrypt) or (Type, Key, Text, IsEncrypt) */ + struct cipher_type_t *cipherp = NULL; + const EVP_CIPHER *cipher; + ErlNifBinary key, ivec, text; + EVP_CIPHER_CTX ctx; + ERL_NIF_TERM ret; + unsigned char *out; + int ivec_size, out_size = 0; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) || key.size != 8 - || !enif_inspect_binary(env, argv[1], &ivec) || ivec.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[2], &text) - || text.size % 8 != 0) { - return enif_make_badarg(env); + if (!enif_inspect_iolist_as_binary(env, argv[1], &key) + || !(cipherp = get_cipher_type(argv[0], key.size)) + || !enif_inspect_iolist_as_binary(env, argv[argc - 2], &text)) { + return enif_make_badarg(env); } - memcpy(&ivec_clone, ivec.data, 8); - DES_set_key((const_DES_cblock*)key.data, &schedule); - DES_ncbc_encrypt(text.data, enif_make_new_binary(env, text.size, &ret), - text.size, &schedule, &ivec_clone, (argv[3] == atom_true)); - CONSUME_REDS(env,text); - return ret; -} - -static ERL_NIF_TERM des_cfb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Ivec, Text, IsEncrypt) */ - ErlNifBinary key, ivec, text; - DES_key_schedule schedule; - DES_cblock ivec_clone; /* writable copy */ - ERL_NIF_TERM ret; - - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) || key.size != 8 - || !enif_inspect_binary(env, argv[1], &ivec) || ivec.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[2], &text)) { - return enif_make_badarg(env); + if (!cipherp->cipher_func) { + return enif_raise_exception(env, atom_notsup); } - memcpy(&ivec_clone, ivec.data, 8); - DES_set_key((const_DES_cblock*)key.data, &schedule); - DES_cfb_encrypt(text.data, enif_make_new_binary(env, text.size, &ret), - 8, text.size, &schedule, &ivec_clone, (argv[3] == atom_true)); - CONSUME_REDS(env,text); - return ret; -} -static ERL_NIF_TERM des_ecb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Text/Cipher, IsEncrypt) */ - ErlNifBinary key, text; - DES_key_schedule schedule; - ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) || key.size != 8 || - !enif_inspect_iolist_as_binary(env, argv[1], &text) || text.size != 8) { - return enif_make_badarg(env); + if ((argv[0] == atom_aes_cfb8 || argv[0] == atom_aes_cfb128) + && (key.size == 24 || key.size == 32)) { + /* Why do EVP_CIPHER_CTX_set_key_length() fail on these key sizes? + * Fall back on low level API + */ + return aes_cfb_8_crypt(env, argc-1, argv+1); } - DES_set_key((const_DES_cblock*)key.data, &schedule); - DES_ecb_encrypt((const_DES_cblock*)text.data, - (DES_cblock*)enif_make_new_binary(env, 8, &ret), - &schedule, (argv[2] == atom_true)); - CONSUME_REDS(env,text); - return ret; -} -static ERL_NIF_TERM des_ede3_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key1, Key2, Key3, IVec, Text/Cipher, IsEncrypt) */ - ErlNifBinary key1, key2, key3, ivec, text; - DES_key_schedule schedule1, schedule2, schedule3; - DES_cblock ivec_clone; /* writable copy */ - ERL_NIF_TERM ret; + cipher = cipherp->cipher_func(); + ivec_size = EVP_CIPHER_iv_length(cipher); +#ifdef HAVE_ECB_IVEC_BUG + if (argv[0] == atom_aes_ecb || argv[0] == atom_blowfish_ecb || + argv[0] == atom_des_ecb) + ivec_size = 0; /* 0.9.8l returns faulty ivec_size */ +#endif - if (!enif_inspect_iolist_as_binary(env, argv[0], &key1) || key1.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[1], &key2) || key2.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[2], &key3) || key3.size != 8 - || !enif_inspect_binary(env, argv[3], &ivec) || ivec.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[4], &text) - || text.size % 8 != 0) { - return enif_make_badarg(env); + if (text.size % EVP_CIPHER_block_size(cipher) != 0 || + (ivec_size == 0 ? argc != 4 + : (argc != 5 || + !enif_inspect_iolist_as_binary(env, argv[2], &ivec) || + ivec.size != ivec_size))) { + return enif_make_badarg(env); } - memcpy(&ivec_clone, ivec.data, 8); - DES_set_key((const_DES_cblock*)key1.data, &schedule1); - DES_set_key((const_DES_cblock*)key2.data, &schedule2); - DES_set_key((const_DES_cblock*)key3.data, &schedule3); - DES_ede3_cbc_encrypt(text.data, enif_make_new_binary(env,text.size,&ret), - text.size, &schedule1, &schedule2, &schedule3, - &ivec_clone, (argv[5] == atom_true)); - CONSUME_REDS(env,text); - return ret; -} + out = enif_make_new_binary(env, text.size, &ret); -static ERL_NIF_TERM des_ede3_cfb_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key1, Key2, Key3, IVec, Text/Cipher, IsEncrypt) */ -#ifdef HAVE_DES_ede3_cfb_encrypt - ErlNifBinary key1, key2, key3, ivec, text; - DES_key_schedule schedule1, schedule2, schedule3; - DES_cblock ivec_clone; /* writable copy */ - ERL_NIF_TERM ret; + EVP_CIPHER_CTX_init(&ctx); + if (!EVP_CipherInit_ex(&ctx, cipher, NULL, NULL, NULL, + (argv[argc - 1] == atom_true)) || + !EVP_CIPHER_CTX_set_key_length(&ctx, key.size) || + !(EVP_CIPHER_type(cipher) != NID_rc2_cbc || + EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_SET_RC2_KEY_BITS, key.size * 8, NULL)) || + !EVP_CipherInit_ex(&ctx, NULL, NULL, + key.data, ivec_size ? ivec.data : NULL, -1) || + !EVP_CIPHER_CTX_set_padding(&ctx, 0)) { + return enif_raise_exception(env, atom_notsup); + } - if (!enif_inspect_iolist_as_binary(env, argv[0], &key1) || key1.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[1], &key2) || key2.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[2], &key3) || key3.size != 8 - || !enif_inspect_binary(env, argv[3], &ivec) || ivec.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[4], &text)) { - return enif_make_badarg(env); + if (text.size > 0 && /* OpenSSL 0.9.8h asserts text.size > 0 */ + (!EVP_CipherUpdate(&ctx, out, &out_size, text.data, text.size) + || (ASSERT(out_size == text.size), 0) + || !EVP_CipherFinal_ex(&ctx, out + out_size, &out_size))) { + + EVP_CIPHER_CTX_cleanup(&ctx); + return enif_raise_exception(env, atom_notsup); } + ASSERT(out_size == 0); + EVP_CIPHER_CTX_cleanup(&ctx); + CONSUME_REDS(env, text); - memcpy(&ivec_clone, ivec.data, 8); - DES_set_key((const_DES_cblock*)key1.data, &schedule1); - DES_set_key((const_DES_cblock*)key2.data, &schedule2); - DES_set_key((const_DES_cblock*)key3.data, &schedule3); - DES_ede3_cfb_encrypt(text.data, enif_make_new_binary(env,text.size,&ret), - 8, text.size, &schedule1, &schedule2, &schedule3, - &ivec_clone, (argv[5] == atom_true)); - CONSUME_REDS(env,text); return ret; -#else - return atom_notsup; -#endif } static ERL_NIF_TERM aes_cfb_8_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, IVec, Data, IsEncrypt) */ - ErlNifBinary key, ivec, text; - AES_KEY aes_key; - unsigned char ivec_clone[16]; /* writable copy */ - int new_ivlen = 0; - ERL_NIF_TERM ret; - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) - || !(key.size == 16 || key.size == 24 || key.size == 32) - || !enif_inspect_binary(env, argv[1], &ivec) || ivec.size != 16 - || !enif_inspect_iolist_as_binary(env, argv[2], &text)) { - return enif_make_badarg(env); - } - - memcpy(ivec_clone, ivec.data, 16); - AES_set_encrypt_key(key.data, key.size * 8, &aes_key); - AES_cfb8_encrypt((unsigned char *) text.data, - enif_make_new_binary(env, text.size, &ret), - text.size, &aes_key, ivec_clone, &new_ivlen, - (argv[3] == atom_true)); - CONSUME_REDS(env,text); - return ret; +{/* (Key, IVec, Data, IsEncrypt) */ + ErlNifBinary key, ivec, text; + AES_KEY aes_key; + unsigned char ivec_clone[16]; /* writable copy */ + int new_ivlen = 0; + ERL_NIF_TERM ret; + + if (!enif_inspect_iolist_as_binary(env, argv[0], &key) + || !(key.size == 16 || key.size == 24 || key.size == 32) + || !enif_inspect_binary(env, argv[1], &ivec) || ivec.size != 16 + || !enif_inspect_iolist_as_binary(env, argv[2], &text)) { + return enif_make_badarg(env); + } + + memcpy(ivec_clone, ivec.data, 16); + AES_set_encrypt_key(key.data, key.size * 8, &aes_key); + AES_cfb8_encrypt((unsigned char *) text.data, + enif_make_new_binary(env, text.size, &ret), + text.size, &aes_key, ivec_clone, &new_ivlen, + (argv[3] == atom_true)); + CONSUME_REDS(env,text); + return ret; } -static ERL_NIF_TERM aes_cfb_128_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, IVec, Data, IsEncrypt) */ - ErlNifBinary key, ivec, text; +static ERL_NIF_TERM aes_ige_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Key, IVec, Data, IsEncrypt) */ +#ifdef HAVE_AES_IGE + ErlNifBinary key_bin, ivec_bin, data_bin; AES_KEY aes_key; - unsigned char ivec_clone[16]; /* writable copy */ - int new_ivlen = 0; + unsigned char ivec[32]; + int i; + unsigned char* ret_ptr; ERL_NIF_TERM ret; + if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) + || (key_bin.size != 16 && key_bin.size != 32) + || !enif_inspect_binary(env, argv[1], &ivec_bin) + || ivec_bin.size != 32 + || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin) + || data_bin.size % 16 != 0) { - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) - || !(key.size == 16 || key.size == 24 || key.size == 32) - || !enif_inspect_binary(env, argv[1], &ivec) || ivec.size != 16 - || !enif_inspect_iolist_as_binary(env, argv[2], &text)) { - return enif_make_badarg(env); + return enif_make_badarg(env); } - memcpy(ivec_clone, ivec.data, 16); - AES_set_encrypt_key(key.data, key.size * 8, &aes_key); - AES_cfb128_encrypt((unsigned char *) text.data, - enif_make_new_binary(env, text.size, &ret), - text.size, &aes_key, ivec_clone, &new_ivlen, - (argv[3] == atom_true)); - CONSUME_REDS(env,text); + if (argv[3] == atom_true) { + i = AES_ENCRYPT; + AES_set_encrypt_key(key_bin.data, key_bin.size*8, &aes_key); + } + else { + i = AES_DECRYPT; + AES_set_decrypt_key(key_bin.data, key_bin.size*8, &aes_key); + } + + ret_ptr = enif_make_new_binary(env, data_bin.size, &ret); + memcpy(ivec, ivec_bin.data, 32); /* writable copy */ + AES_ige_encrypt(data_bin.data, ret_ptr, data_bin.size, &aes_key, ivec, i); + CONSUME_REDS(env,data_bin); return ret; +#else + return atom_notsup; +#endif } /* Common for both encrypt and decrypt */ static ERL_NIF_TERM aes_ctr_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Key, IVec, Data) */ - ErlNifBinary key, ivec, text; - AES_KEY aes_key; - unsigned char ivec_clone[16]; /* writable copy */ - unsigned char ecount_buf[AES_BLOCK_SIZE]; - unsigned int num = 0; - ERL_NIF_TERM ret; - + ErlNifBinary key, ivec, text; +#ifdef HAVE_EVP_AES_CTR + const EVP_CIPHER *cipher; + EVP_CIPHER_CTX ctx; + unsigned char *out; + int outl = 0; +#else + AES_KEY aes_key; + unsigned char ivec_clone[16]; /* writable copy */ + unsigned char ecount_buf[AES_BLOCK_SIZE]; + unsigned int num = 0; +#endif + ERL_NIF_TERM ret; if (!enif_inspect_iolist_as_binary(env, argv[0], &key) +#ifndef HAVE_EVP_AES_CTR || AES_set_encrypt_key(key.data, key.size*8, &aes_key) != 0 +#endif || !enif_inspect_binary(env, argv[1], &ivec) || ivec.size != 16 || !enif_inspect_iolist_as_binary(env, argv[2], &text)) { return enif_make_badarg(env); } +#ifdef HAVE_EVP_AES_CTR + switch (key.size) + { + case 16: cipher = EVP_aes_128_ctr(); break; + case 24: cipher = EVP_aes_192_ctr(); break; + case 32: cipher = EVP_aes_256_ctr(); break; + default: return enif_make_badarg(env); + } + + out = enif_make_new_binary(env,text.size,&ret); + EVP_CIPHER_CTX_init(&ctx); + EVP_CipherInit_ex(&ctx, cipher, NULL, + key.data, ivec.data, (argv[3] == atom_true)); + EVP_CIPHER_CTX_set_padding(&ctx, 0); + EVP_CipherUpdate(&ctx, out, &outl, text.data, text.size); + ASSERT(outl == text.size); + EVP_CipherFinal_ex(&ctx, out + outl, &outl); + ASSERT(outl == 0); + EVP_CIPHER_CTX_cleanup(&ctx); +#else memcpy(ivec_clone, ivec.data, 16); memset(ecount_buf, 0, sizeof(ecount_buf)); AES_ctr128_encrypt((unsigned char *) text.data, enif_make_new_binary(env, text.size, &ret), text.size, &aes_key, ivec_clone, ecount_buf, &num); +#endif CONSUME_REDS(env,text); /* To do an incremental {en|de}cryption, the state to to keep between calls @@ -1675,6 +1502,81 @@ static ERL_NIF_TERM aes_ctr_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM /* Initializes state for ctr streaming (de)encryption */ +#ifdef HAVE_EVP_AES_CTR +static ERL_NIF_TERM aes_ctr_stream_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Key, IVec) */ + ErlNifBinary key_bin, ivec_bin; + EVP_CIPHER_CTX *ctx; + const EVP_CIPHER *cipher; + ERL_NIF_TERM ret; + + if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) + || !enif_inspect_binary(env, argv[1], &ivec_bin) + || ivec_bin.size != 16) { + return enif_make_badarg(env); + } + + switch (key_bin.size) + { + case 16: cipher = EVP_aes_128_ctr(); break; + case 24: cipher = EVP_aes_192_ctr(); break; + case 32: cipher = EVP_aes_256_ctr(); break; + default: return enif_make_badarg(env); + } + + ctx = enif_alloc_resource(evp_cipher_ctx_rtype, sizeof(EVP_CIPHER_CTX)); + EVP_CIPHER_CTX_init(ctx); + EVP_CipherInit_ex(ctx, cipher, NULL, + key_bin.data, ivec_bin.data, 1); + EVP_CIPHER_CTX_set_padding(ctx, 0); + ret = enif_make_resource(env, ctx); + enif_release_resource(ctx); + return ret; +} +static ERL_NIF_TERM aes_ctr_stream_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Context, Data) */ + EVP_CIPHER_CTX *ctx, *new_ctx; + ErlNifBinary data_bin; + ERL_NIF_TERM ret, cipher_term; + unsigned char *out; + int outl = 0; + + if (!enif_get_resource(env, argv[0], evp_cipher_ctx_rtype, (void**)&ctx) + || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin)) { + return enif_make_badarg(env); + } + new_ctx = enif_alloc_resource(evp_cipher_ctx_rtype, sizeof(EVP_CIPHER_CTX)); + EVP_CIPHER_CTX_init(new_ctx); + EVP_CIPHER_CTX_copy(new_ctx, ctx); + out = enif_make_new_binary(env, data_bin.size, &cipher_term); + EVP_CipherUpdate(new_ctx, out, &outl, data_bin.data, data_bin.size); + ASSERT(outl == data_bin.size); + + ret = enif_make_tuple2(env, enif_make_resource(env, new_ctx), cipher_term); + enif_release_resource(new_ctx); + CONSUME_REDS(env,data_bin); + return ret; +} + +#else /* if not HAVE_EVP_AES_CTR */ + +static ERL_NIF_TERM aes_ctr_stream_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Key, IVec) */ + ErlNifBinary key_bin, ivec_bin; + ERL_NIF_TERM ecount_bin; + + if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) + || !enif_inspect_binary(env, argv[1], &ivec_bin) + || !(key_bin.size == 16 || key_bin.size == 24 || key_bin.size ==32) + || ivec_bin.size != 16) { + return enif_make_badarg(env); + } + + memset(enif_make_new_binary(env, AES_BLOCK_SIZE, &ecount_bin), + 0, AES_BLOCK_SIZE); + return enif_make_tuple4(env, argv[0], argv[1], ecount_bin, enif_make_int(env, 0)); +} + static ERL_NIF_TERM aes_ctr_stream_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* ({Key, IVec, ECount, Num}, Data) */ ErlNifBinary key_bin, ivec_bin, text_bin, ecount_bin; @@ -1686,7 +1588,6 @@ static ERL_NIF_TERM aes_ctr_stream_encrypt(ErlNifEnv* env, int argc, const ERL_N unsigned char * ivec2_buf; unsigned char * ecount2_buf; - if (!enif_get_tuple(env, argv[0], &state_arity, &state_term) || state_arity != 4 || !enif_inspect_iolist_as_binary(env, state_term[0], &key_bin) @@ -1714,6 +1615,7 @@ static ERL_NIF_TERM aes_ctr_stream_encrypt(ErlNifEnv* env, int argc, const ERL_N CONSUME_REDS(env,text_bin); return ret; } +#endif /* !HAVE_EVP_AES_CTR */ static ERL_NIF_TERM aes_gcm_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Key,Iv,AAD,In) */ @@ -1724,7 +1626,6 @@ static ERL_NIF_TERM aes_gcm_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM unsigned char *outp; ERL_NIF_TERM out, out_tag; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) || AES_set_encrypt_key(key.data, key.size*8, &aes_key) != 0 || !enif_inspect_binary(env, argv[1], &iv) || iv.size == 0 @@ -1760,7 +1661,7 @@ out_err: return atom_error; #else - return atom_notsup; + return enif_raise_exception(env, atom_notsup); #endif } @@ -1773,7 +1674,6 @@ static ERL_NIF_TERM aes_gcm_decrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM unsigned char *outp; ERL_NIF_TERM out; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) || AES_set_encrypt_key(key.data, key.size*8, &aes_key) != 0 || !enif_inspect_binary(env, argv[1], &iv) || iv.size == 0 @@ -1810,7 +1710,7 @@ out_err: CRYPTO_gcm128_release(ctx); return atom_error; #else - return atom_notsup; + return enif_raise_exception(env, atom_notsup); #endif } @@ -1843,7 +1743,6 @@ static ERL_NIF_TERM chacha20_poly1305_encrypt(ErlNifEnv* env, int argc, const ER unsigned char poly1305_key[32]; poly1305_state poly1305; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) || key.size != 32 || !enif_inspect_binary(env, argv[1], &iv) || iv.size != CHACHA20_NONCE_LEN || !enif_inspect_iolist_as_binary(env, argv[2], &aad) @@ -1881,7 +1780,7 @@ static ERL_NIF_TERM chacha20_poly1305_encrypt(ErlNifEnv* env, int argc, const ER return enif_make_tuple2(env, out, out_tag); #else - return atom_notsup; + return enif_raise_exception(env, atom_notsup); #endif } @@ -1896,7 +1795,6 @@ static ERL_NIF_TERM chacha20_poly1305_decrypt(ErlNifEnv* env, int argc, const ER unsigned char mac[POLY1305_TAG_LEN]; poly1305_state poly1305; - if (!enif_inspect_iolist_as_binary(env, argv[0], &key) || key.size != 32 || !enif_inspect_binary(env, argv[1], &iv) || iv.size != CHACHA20_NONCE_LEN || !enif_inspect_iolist_as_binary(env, argv[2], &aad) @@ -1937,46 +1835,16 @@ static ERL_NIF_TERM chacha20_poly1305_decrypt(ErlNifEnv* env, int argc, const ER return out; #else - return atom_notsup; + return enif_raise_exception(env, atom_notsup); #endif } -static ERL_NIF_TERM aes_ecb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Data, IsEncrypt) */ - ErlNifBinary key_bin, data_bin; - AES_KEY aes_key; - int i; - unsigned char* ret_ptr; - ERL_NIF_TERM ret; - - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) - || (key_bin.size != 16 && key_bin.size != 32) - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin) - || data_bin.size % 16 != 0) { - return enif_make_badarg(env); - } - - if (argv[2] == atom_true) { - i = AES_ENCRYPT; - AES_set_encrypt_key(key_bin.data, key_bin.size*8, &aes_key); - } - else { - i = AES_DECRYPT; - AES_set_decrypt_key(key_bin.data, key_bin.size*8, &aes_key); - } - - ret_ptr = enif_make_new_binary(env, data_bin.size, &ret); - AES_ecb_encrypt(data_bin.data, ret_ptr, &aes_key, i); - CONSUME_REDS(env,data_bin); - return ret; -} - static ERL_NIF_TERM rand_bytes_1(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Bytes) */ unsigned bytes; unsigned char* data; ERL_NIF_TERM ret; + if (!enif_get_uint(env, argv[0], &bytes)) { return enif_make_badarg(env); } @@ -1990,6 +1858,7 @@ static ERL_NIF_TERM strong_rand_bytes_nif(ErlNifEnv* env, int argc, const ERL_NI unsigned bytes; unsigned char* data; ERL_NIF_TERM ret; + if (!enif_get_uint(env, argv[0], &bytes)) { return enif_make_badarg(env); } @@ -2007,6 +1876,7 @@ static ERL_NIF_TERM rand_bytes_3(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar unsigned char* data; unsigned top_mask, bot_mask; ERL_NIF_TERM ret; + if (!enif_get_uint(env, argv[0], &bytes) || !enif_get_uint(env, argv[1], &top_mask) || !enif_get_uint(env, argv[2], &bot_mask)) { @@ -2030,7 +1900,6 @@ static ERL_NIF_TERM strong_rand_mpint_nif(ErlNifEnv* env, int argc, const ERL_NI unsigned dlen; ERL_NIF_TERM ret; - if (!enif_get_uint(env, argv[0], &bits) || !enif_get_int(env, argv[1], &top) || !enif_get_int(env, argv[2], &bottom)) { @@ -2099,7 +1968,6 @@ static ERL_NIF_TERM rand_uniform_nif(ErlNifEnv* env, int argc, const ERL_NIF_TER unsigned dlen; ERL_NIF_TERM ret; - if (!get_bn_from_mpint(env, argv[0], &bn_from) || !get_bn_from_mpint(env, argv[1], &bn_rand)) { if (bn_from) BN_free(bn_from); @@ -2131,7 +1999,6 @@ static ERL_NIF_TERM mod_exp_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg unsigned extra_byte; ERL_NIF_TERM ret; - if (!get_bn_from_bin(env, argv[0], &bn_base) || !get_bn_from_bin(env, argv[1], &bn_exponent) || !get_bn_from_bin(env, argv[2], &bn_modulo) @@ -2163,45 +2030,17 @@ static ERL_NIF_TERM mod_exp_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg } static ERL_NIF_TERM dss_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (DigestType|none, Data|{digest,Digest}, Signature,Key=[P, Q, G, Y]) */ - ErlNifBinary data_bin, sign_bin; +{/* (sha, Digest, Signature,Key=[P, Q, G, Y]) */ + ErlNifBinary digest_bin, sign_bin; BIGNUM *dsa_p = NULL, *dsa_q = NULL, *dsa_g = NULL, *dsa_y = NULL; - unsigned char hmacbuf[SHA_DIGEST_LENGTH]; - unsigned char* digest; ERL_NIF_TERM head, tail; - const ERL_NIF_TERM* tpl_terms; - int tpl_arity; DSA *dsa; int i; - - if (argv[0] == atom_sha) { - if (enif_get_tuple(env, argv[1], &tpl_arity, &tpl_terms)) { - if (tpl_arity != 2 || tpl_terms[0] != atom_digest - || !enif_inspect_binary(env, tpl_terms[1], &data_bin) - || data_bin.size != SHA_DIGEST_LENGTH) { - - return enif_make_badarg(env); - } - digest = data_bin.data; - } - else { - if (!enif_inspect_binary(env, argv[1], &data_bin)) { - return enif_make_badarg(env); - } - SHA1(data_bin.data, data_bin.size, hmacbuf); - digest = hmacbuf; - } - } - else if (argv[0] == atom_none && enif_inspect_binary(env, argv[1], &data_bin) - && data_bin.size == SHA_DIGEST_LENGTH) { - digest = data_bin.data; - } - else { - return enif_make_badarg(env); - } - - if (!enif_inspect_binary(env, argv[2], &sign_bin) + if (!argv[0] == atom_sha + || !enif_inspect_binary(env, argv[1], &digest_bin) + || digest_bin.size != SHA_DIGEST_LENGTH + || !enif_inspect_binary(env, argv[2], &sign_bin) || !enif_get_list_cell(env, argv[3], &head, &tail) || !get_bn_from_bin(env, head, &dsa_p) || !enif_get_list_cell(env, tail, &head, &tail) @@ -2225,94 +2064,27 @@ static ERL_NIF_TERM dss_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM dsa->g = dsa_g; dsa->priv_key = NULL; dsa->pub_key = dsa_y; - i = DSA_verify(0, digest, SHA_DIGEST_LENGTH, + i = DSA_verify(0, digest_bin.data, SHA_DIGEST_LENGTH, sign_bin.data, sign_bin.size, dsa); DSA_free(dsa); return(i > 0) ? atom_true : atom_false; } - -static void md5_digest(unsigned char* in, unsigned int in_len, unsigned char* out) -{ - MD5(in, in_len, out); -} -static void sha1_digest(unsigned char* in, unsigned int in_len, unsigned char* out) -{ - SHA1(in, in_len, out); -} -#ifdef HAVE_SHA224 -static void sha224_digest(unsigned char* in, unsigned int in_len, unsigned char* out) -{ - SHA224(in, in_len, out); -} -#endif -#ifdef HAVE_SHA256 -static void sha256_digest(unsigned char* in, unsigned int in_len, unsigned char* out) -{ - SHA256(in, in_len, out); -} -#endif -#ifdef HAVE_SHA384 -static void sha384_digest(unsigned char* in, unsigned int in_len, unsigned char* out) -{ - SHA384(in, in_len, out); -} -#endif -#ifdef HAVE_SHA512 -static void sha512_digest(unsigned char* in, unsigned int in_len, unsigned char* out) +static void init_digest_types(ErlNifEnv* env) { - SHA512(in, in_len, out); -} -#endif + struct digest_type_t* p = digest_types; -struct digest_type_t { - const char* type_str; - unsigned len; /* 0 if notsup */ - int NID_type; - void (*funcp)(unsigned char* in, unsigned int in_len, unsigned char* out); - ERL_NIF_TERM type_atom; -}; + for (p = digest_types; p->type_str; p++) { + p->type_atom = enif_make_atom(env, p->type_str); + } -struct digest_type_t digest_types[] = -{ - {"md5", MD5_DIGEST_LENGTH, NID_md5, md5_digest}, - {"sha", SHA_DIGEST_LENGTH, NID_sha1, sha1_digest}, - {"sha224", -#ifdef HAVE_SHA224 - SHA224_LEN, NID_sha224, sha224_digest -#else - 0 -#endif - }, - {"sha256", -#ifdef HAVE_SHA256 - SHA256_LEN, NID_sha256, sha256_digest -#else - 0 -#endif - }, - {"sha384", -#ifdef HAVE_SHA384 - SHA384_LEN, NID_sha384, sha384_digest -#else - 0 -#endif - }, - {"sha512", -#ifdef HAVE_SHA512 - SHA512_LEN, NID_sha512, sha512_digest -#else - 0 -#endif - }, - {NULL} -}; +} -static void init_digest_types(ErlNifEnv* env) +static void init_cipher_types(ErlNifEnv* env) { - struct digest_type_t* p = digest_types; + struct cipher_type_t* p = cipher_types; - for (p = digest_types; p->type_str; p++) { + for (p = cipher_types; p->type_str; p++) { p->type_atom = enif_make_atom(env, p->type_str); } @@ -2329,31 +2101,45 @@ static struct digest_type_t* get_digest_type(ERL_NIF_TERM type) return NULL; } -static ERL_NIF_TERM rsa_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Type, Data|{digest,Digest}, Signature, Key=[E,N]) */ - ErlNifBinary data_bin, sign_bin; - unsigned char hmacbuf[SHA512_LEN]; - ERL_NIF_TERM head, tail, ret; - int i; - RSA* rsa; - const ERL_NIF_TERM type = argv[0]; - const ERL_NIF_TERM* tpl_terms; - int tpl_arity; - struct digest_type_t* digp = NULL; - unsigned char* digest = NULL; +static struct cipher_type_t* get_cipher_type(ERL_NIF_TERM type, size_t key_len) +{ + struct cipher_type_t* p = NULL; + for (p = cipher_types; p->type_str; p++) { + if (type == p->type_atom && (!p->key_len || key_len == p->key_len)) { + return p; + } + } + return NULL; +} +static ERL_NIF_TERM rsa_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{/* (Type, Digest, Signature, Key=[E,N]) */ + ErlNifBinary digest_bin, sign_bin; + ERL_NIF_TERM head, tail, ret; + int i; + RSA *rsa; +#if OPENSSL_VERSION_NUMBER >= 0x1000000fL + EVP_PKEY *pkey; + EVP_PKEY_CTX *ctx; +#endif + const EVP_MD *md; + const ERL_NIF_TERM type = argv[0]; + struct digest_type_t *digp = NULL; digp = get_digest_type(type); if (!digp) { return enif_make_badarg(env); } - if (!digp->len) { + if (!digp->md_func) { return atom_notsup; } rsa = RSA_new(); + md = digp->md_func(); - if (!enif_inspect_binary(env, argv[2], &sign_bin) + if (!enif_inspect_binary(env, argv[1], &digest_bin) + || digest_bin.size != EVP_MD_size(md) + || !enif_inspect_binary(env, argv[2], &sign_bin) || !enif_get_list_cell(env, argv[3], &head, &tail) || !get_bn_from_bin(env, head, &rsa->e) || !enif_get_list_cell(env, tail, &head, &tail) @@ -2363,27 +2149,24 @@ static ERL_NIF_TERM rsa_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM ret = enif_make_badarg(env); goto done; } - if (enif_get_tuple(env, argv[1], &tpl_arity, &tpl_terms)) { - if (tpl_arity != 2 || tpl_terms[0] != atom_digest - || !enif_inspect_binary(env, tpl_terms[1], &data_bin) - || data_bin.size != digp->len) { - - ret = enif_make_badarg(env); - goto done; - } - digest = data_bin.data; - } - else if (enif_inspect_binary(env, argv[1], &data_bin)) { - digest = hmacbuf; - digp->funcp(data_bin.data, data_bin.size, digest); - } - else { - ret = enif_make_badarg(env); - goto done; - } - i = RSA_verify(digp->NID_type, digest, digp->len, +#if OPENSSL_VERSION_NUMBER >= 0x1000000fL + pkey = EVP_PKEY_new(); + EVP_PKEY_set1_RSA(pkey, rsa); + + ctx = EVP_PKEY_CTX_new(pkey, NULL); + EVP_PKEY_verify_init(ctx); + EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PADDING); + EVP_PKEY_CTX_set_signature_md(ctx, md); + + i = EVP_PKEY_verify(ctx, sign_bin.data, sign_bin.size, + digest_bin.data, digest_bin.size); + EVP_PKEY_CTX_free(ctx); + EVP_PKEY_free(pkey); +#else + i = RSA_verify(md->type, digest_bin.data, EVP_MD_size(md), sign_bin.data, sign_bin.size, rsa); +#endif ret = (i==1 ? atom_true : atom_false); @@ -2392,107 +2175,6 @@ done: return ret; } - -static ERL_NIF_TERM aes_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, IVec, Data, IsEncrypt) */ - ErlNifBinary key_bin, ivec_bin, data_bin; - unsigned char ivec[16]; - int enc, i = 0, outlen = 0; - EVP_CIPHER_CTX ctx; - const EVP_CIPHER *cipher = NULL; - unsigned char* ret_ptr; - ERL_NIF_TERM ret; - - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) - || (key_bin.size != 16 && key_bin.size != 32) - || !enif_inspect_binary(env, argv[1], &ivec_bin) - || ivec_bin.size != 16 - || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin) - || data_bin.size % 16 != 0) { - - return enif_make_badarg(env); - } - - if (argv[3] == atom_true) - enc = 1; - else - enc = 0; - - EVP_CIPHER_CTX_init(&ctx); - - if (key_bin.size == 16) - cipher = EVP_aes_128_cbc(); - else if (key_bin.size == 32) - cipher = EVP_aes_256_cbc(); - - memcpy(ivec, ivec_bin.data, 16); /* writeable copy */ - - /* openssl docs say we need to leave at least 3 blocks available - at the end of the buffer for EVP calls. let's be safe */ - ret_ptr = enif_make_new_binary(env, data_bin.size + 16*3, &ret); - - if (EVP_CipherInit_ex(&ctx, cipher, NULL, key_bin.data, ivec, enc) != 1) - return enif_make_badarg(env); - - /* disable padding, we only handle whole blocks */ - EVP_CIPHER_CTX_set_padding(&ctx, 0); - - if (EVP_CipherUpdate(&ctx, ret_ptr, &i, data_bin.data, data_bin.size) != 1) - return enif_make_badarg(env); - outlen += i; - if (EVP_CipherFinal_ex(&ctx, ret_ptr + outlen, &i) != 1) - return enif_make_badarg(env); - outlen += i; - - EVP_CIPHER_CTX_cleanup(&ctx); - - CONSUME_REDS(env,data_bin); - - /* the garbage collector is going to love this */ - return enif_make_sub_binary(env, ret, 0, outlen); -} - -static ERL_NIF_TERM aes_ige_crypt_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, IVec, Data, IsEncrypt) */ -#ifdef HAVE_AES_IGE - ErlNifBinary key_bin, ivec_bin, data_bin; - AES_KEY aes_key; - unsigned char ivec[32]; - int i; - unsigned char* ret_ptr; - ERL_NIF_TERM ret; - - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) - || (key_bin.size != 16 && key_bin.size != 32) - || !enif_inspect_binary(env, argv[1], &ivec_bin) - || ivec_bin.size != 32 - || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin) - || data_bin.size % 16 != 0) { - - return enif_make_badarg(env); - } - - if (argv[3] == atom_true) { - i = AES_ENCRYPT; - AES_set_encrypt_key(key_bin.data, key_bin.size*8, &aes_key); - } - else { - i = AES_DECRYPT; - AES_set_decrypt_key(key_bin.data, key_bin.size*8, &aes_key); - } - - ret_ptr = enif_make_new_binary(env, data_bin.size, &ret); - memcpy(ivec, ivec_bin.data, 32); /* writable copy */ - AES_ige_encrypt(data_bin.data, ret_ptr, data_bin.size, &aes_key, ivec, i); - CONSUME_REDS(env,data_bin); - return ret; -#else - return atom_notsup; -#endif -} - static ERL_NIF_TERM do_exor(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Data1, Data2) */ ErlNifBinary d1, d2; @@ -2500,7 +2182,6 @@ static ERL_NIF_TERM do_exor(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) int i; ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env,argv[0], &d1) || !enif_inspect_iolist_as_binary(env,argv[1], &d2) || d1.size != d2.size) { @@ -2521,7 +2202,6 @@ static ERL_NIF_TERM rc4_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg RC4_KEY rc4_key; ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env,argv[0], &key) || !enif_inspect_iolist_as_binary(env,argv[1], &data)) { return enif_make_badarg(env); @@ -2538,7 +2218,6 @@ static ERL_NIF_TERM rc4_set_key(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg ErlNifBinary key; ERL_NIF_TERM ret; - if (!enif_inspect_iolist_as_binary(env,argv[0], &key)) { return enif_make_badarg(env); } @@ -2554,7 +2233,6 @@ static ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_N RC4_KEY* rc4_key; ERL_NIF_TERM new_state, new_data; - if (!enif_inspect_iolist_as_binary(env,argv[0], &state) || state.size != sizeof(RC4_KEY) || !enif_inspect_iolist_as_binary(env,argv[1], &data)) { @@ -2568,34 +2246,6 @@ static ERL_NIF_TERM rc4_encrypt_with_state(ErlNifEnv* env, int argc, const ERL_N return enif_make_tuple2(env,new_state,new_data); } -static ERL_NIF_TERM rc2_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key,IVec,Data,IsEncrypt) */ - ErlNifBinary key_bin, ivec_bin, data_bin; - RC2_KEY rc2_key; - ERL_NIF_TERM ret; - unsigned char iv_copy[8]; - - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) - || (key_bin.size != 5 && key_bin.size != 8 && key_bin.size != 16) - || !enif_inspect_binary(env, argv[1], &ivec_bin) - || ivec_bin.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin) - || data_bin.size % 8 != 0) { - return enif_make_badarg(env); - } - - RC2_set_key(&rc2_key, key_bin.size, key_bin.data, key_bin.size*8); - memcpy(iv_copy, ivec_bin.data, 8); - RC2_cbc_encrypt(data_bin.data, - enif_make_new_binary(env, data_bin.size, &ret), - data_bin.size, &rc2_key, - iv_copy, - (argv[3] == atom_true)); - CONSUME_REDS(env,data_bin); - return ret; -} - static int get_rsa_private_key(ErlNifEnv* env, ERL_NIF_TERM key, RSA *rsa) { /* key=[E,N,D]|[E,N,D,P1,P2,E1,E2,C] */ @@ -2625,41 +2275,32 @@ static int get_rsa_private_key(ErlNifEnv* env, ERL_NIF_TERM key, RSA *rsa) } static ERL_NIF_TERM rsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Type, Data|{digest,Digest}, Key=[E,N,D]|[E,N,D,P1,P2,E1,E2,C]) */ - ErlNifBinary data_bin, ret_bin; - unsigned char hmacbuf[SHA512_LEN]; - unsigned rsa_s_len; - RSA* rsa; - int i; - const ERL_NIF_TERM* tpl_terms; - int tpl_arity; +{/* (Type, Digest, Key=[E,N,D]|[E,N,D,P1,P2,E1,E2,C]) */ + ErlNifBinary digest_bin, ret_bin; +#if OPENSSL_VERSION_NUMBER >= 0x1000000fL + EVP_PKEY *pkey; + EVP_PKEY_CTX *ctx; + size_t rsa_s_len; +#else + unsigned rsa_s_len, len; +#endif + RSA *rsa; + int i; struct digest_type_t *digp; - unsigned char* digest; - + const EVP_MD *md; digp = get_digest_type(argv[0]); if (!digp) { return enif_make_badarg(env); } - if (!digp->len) { + if (!digp->md_func) { return atom_notsup; } + md = digp->md_func(); - if (enif_get_tuple(env, argv[1], &tpl_arity, &tpl_terms)) { - if (tpl_arity != 2 || tpl_terms[0] != atom_digest - || !enif_inspect_binary(env, tpl_terms[1], &data_bin) - || data_bin.size != digp->len) { - - return enif_make_badarg(env); - } - digest = data_bin.data; - } - else { - if (!enif_inspect_binary(env,argv[1],&data_bin)) { - return enif_make_badarg(env); - } - digest = hmacbuf; - digp->funcp(data_bin.data, data_bin.size, digest); + if (!enif_inspect_binary(env,argv[1],&digest_bin) + || digest_bin.size != EVP_MD_size(md)) { + return enif_make_badarg(env); } rsa = RSA_new(); @@ -2669,14 +2310,33 @@ static ERL_NIF_TERM rsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar } +#if OPENSSL_VERSION_NUMBER >= 0x1000000fL + pkey = EVP_PKEY_new(); + EVP_PKEY_set1_RSA(pkey, rsa); + rsa_s_len=(size_t)EVP_PKEY_size(pkey); + enif_alloc_binary(rsa_s_len, &ret_bin); + + ctx = EVP_PKEY_CTX_new(pkey, NULL); + EVP_PKEY_sign_init(ctx); + EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_PADDING); + EVP_PKEY_CTX_set_signature_md(ctx, md); + + i = EVP_PKEY_sign(ctx, ret_bin.data, &rsa_s_len, + digest_bin.data, digest_bin.size); + ASSERT(i<=0 || rsa_s_len <= ret_bin.size); + EVP_PKEY_CTX_free(ctx); + EVP_PKEY_free(pkey); +#else enif_alloc_binary(RSA_size(rsa), &ret_bin); + len = EVP_MD_size(md); - ERL_VALGRIND_ASSERT_MEM_DEFINED(digest, digp->len); - i = RSA_sign(digp->NID_type, digest, digp->len, + ERL_VALGRIND_ASSERT_MEM_DEFINED(digest_bin.data, len); + i = RSA_sign(md->type, digest_bin.data, len, ret_bin.data, &rsa_s_len, rsa); +#endif RSA_free(rsa); - if (i) { + if (i > 0) { ERL_VALGRIND_MAKE_MEM_DEFINED(ret_bin.data, rsa_s_len); if (rsa_s_len != ret_bin.size) { enif_realloc_binary(&ret_bin, rsa_s_len); @@ -2692,43 +2352,16 @@ static ERL_NIF_TERM rsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar static ERL_NIF_TERM dss_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (DigesType|none, Data|{digest,Digest}, Key=[P,Q,G,PrivKey]) */ - ErlNifBinary data_bin, ret_bin; +{/* (sha, Digest, Key=[P,Q,G,PrivKey]) */ + ErlNifBinary digest_bin, ret_bin; ERL_NIF_TERM head, tail; - unsigned char hmacbuf[SHA_DIGEST_LENGTH]; unsigned int dsa_s_len; - const ERL_NIF_TERM* tpl_terms; - int tpl_arity; - unsigned char* digest = NULL; DSA* dsa; int i; - - if (argv[0] == atom_sha) { - if (enif_get_tuple(env, argv[1], &tpl_arity, &tpl_terms)) { - if (tpl_arity != 2 || tpl_terms[0] != atom_digest - || !enif_inspect_binary(env, tpl_terms[1], &data_bin) - || data_bin.size != SHA_DIGEST_LENGTH) { - - return enif_make_badarg(env); - } - digest = data_bin.data; - } - else { - if (!enif_inspect_binary(env,argv[1],&data_bin)) { - return enif_make_badarg(env); - } - SHA1(data_bin.data, data_bin.size, hmacbuf); - digest = hmacbuf; - } - } - else if (argv[0] == atom_none - && enif_inspect_binary(env,argv[1],&data_bin) - && data_bin.size == SHA_DIGEST_LENGTH) { - - digest = data_bin.data; - } - else { + if (!argv[0] == atom_sha + || !enif_inspect_binary(env, argv[1], &digest_bin) + || digest_bin.size != SHA_DIGEST_LENGTH) { return enif_make_badarg(env); } @@ -2749,7 +2382,7 @@ static ERL_NIF_TERM dss_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar } enif_alloc_binary(DSA_size(dsa), &ret_bin); - i = DSA_sign(NID_sha1, digest, SHA_DIGEST_LENGTH, + i = DSA_sign(NID_sha1, digest_bin.data, SHA_DIGEST_LENGTH, ret_bin.data, &dsa_s_len, dsa); DSA_free(dsa); if (i) { @@ -2789,7 +2422,6 @@ static ERL_NIF_TERM rsa_public_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TER int padding, i; RSA* rsa; - rsa = RSA_new(); if (!enif_inspect_binary(env, argv[0], &data_bin) @@ -2838,7 +2470,6 @@ static ERL_NIF_TERM rsa_private_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TE int padding, i; RSA* rsa; - rsa = RSA_new(); if (!enif_inspect_binary(env, argv[0], &data_bin) @@ -2885,7 +2516,6 @@ static ERL_NIF_TERM dh_generate_parameters_nif(ErlNifEnv* env, int argc, const E unsigned char *p_ptr, *g_ptr; ERL_NIF_TERM ret_p, ret_g; - if (!enif_get_int(env, argv[0], &prime_len) || !enif_get_int(env, argv[1], &generator)) { @@ -2913,7 +2543,6 @@ static ERL_NIF_TERM dh_check(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[] int i; ERL_NIF_TERM ret, head, tail; - dh_params = DH_new(); if (!enif_get_list_cell(env, argv[0], &head, &tail) @@ -2948,7 +2577,6 @@ static ERL_NIF_TERM dh_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_ ERL_NIF_TERM ret, ret_pub, ret_prv, head, tail; int mpint; /* 0 or 4 */ - dh_params = DH_new(); if (!(get_bn_from_bin(env, argv[0], &dh_params->priv_key) @@ -2993,7 +2621,6 @@ static ERL_NIF_TERM dh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_T ErlNifBinary ret_bin; ERL_NIF_TERM ret, head, tail; - dh_params = DH_new(); if (!get_bn_from_bin(env, argv[0], &pubkey) @@ -3016,7 +2643,7 @@ static ERL_NIF_TERM dh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_T ret = enif_make_binary(env, &ret_bin); } else { - enif_release_binary(&ret_bin); + enif_release_binary(&ret_bin); ret = atom_error; } } @@ -3034,7 +2661,6 @@ static ERL_NIF_TERM srp_value_B_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM unsigned dlen; ERL_NIF_TERM ret; - if (!get_bn_from_bin(env, argv[0], &bn_multiplier) || !get_bn_from_bin(env, argv[1], &bn_verifier) || !get_bn_from_bin(env, argv[2], &bn_generator) @@ -3095,7 +2721,6 @@ static ERL_NIF_TERM srp_user_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_ unsigned dlen; ERL_NIF_TERM ret; - if (!get_bn_from_bin(env, argv[0], &bn_a) || !get_bn_from_bin(env, argv[1], &bn_u) || !get_bn_from_bin(env, argv[2], &bn_B) @@ -3175,7 +2800,6 @@ static ERL_NIF_TERM srp_host_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_ unsigned dlen; ERL_NIF_TERM ret; - if (!get_bn_from_bin(env, argv[0], &bn_verifier) || !get_bn_from_bin(env, argv[1], &bn_b) || !get_bn_from_bin(env, argv[2], &bn_u) @@ -3228,99 +2852,6 @@ static ERL_NIF_TERM srp_host_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_ return ret; } -static ERL_NIF_TERM bf_cfb64_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Ivec, Data, IsEncrypt) */ - ErlNifBinary key_bin, ivec_bin, data_bin; - BF_KEY bf_key; /* blowfish key 8 */ - unsigned char bf_tkey[8]; /* blowfish ivec */ - int bf_n = 0; /* blowfish ivec pos */ - ERL_NIF_TERM ret; - - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) - || !enif_inspect_binary(env, argv[1], &ivec_bin) - || ivec_bin.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin)) { - return enif_make_badarg(env); - } - - BF_set_key(&bf_key, key_bin.size, key_bin.data); - memcpy(bf_tkey, ivec_bin.data, 8); - BF_cfb64_encrypt(data_bin.data, enif_make_new_binary(env,data_bin.size,&ret), - data_bin.size, &bf_key, bf_tkey, &bf_n, - (argv[3] == atom_true ? BF_ENCRYPT : BF_DECRYPT)); - CONSUME_REDS(env,data_bin); - return ret; -} - -static ERL_NIF_TERM bf_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Ivec, Data, IsEncrypt) */ - ErlNifBinary key_bin, ivec_bin, data_bin; - BF_KEY bf_key; /* blowfish key 8 */ - unsigned char bf_tkey[8]; /* blowfish ivec */ - ERL_NIF_TERM ret; - - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) - || !enif_inspect_binary(env, argv[1], &ivec_bin) - || ivec_bin.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin) - || data_bin.size % 8 != 0) { - return enif_make_badarg(env); - } - - BF_set_key(&bf_key, key_bin.size, key_bin.data); - memcpy(bf_tkey, ivec_bin.data, 8); - BF_cbc_encrypt(data_bin.data, enif_make_new_binary(env,data_bin.size,&ret), - data_bin.size, &bf_key, bf_tkey, - (argv[3] == atom_true ? BF_ENCRYPT : BF_DECRYPT)); - CONSUME_REDS(env,data_bin); - return ret; -} - -static ERL_NIF_TERM bf_ecb_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, Data, IsEncrypt) */ - ErlNifBinary key_bin, data_bin; - BF_KEY bf_key; /* blowfish key 8 */ - ERL_NIF_TERM ret; - - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) - || !enif_inspect_iolist_as_binary(env, argv[1], &data_bin) - || data_bin.size < 8) { - return enif_make_badarg(env); - } - BF_set_key(&bf_key, key_bin.size, key_bin.data); - BF_ecb_encrypt(data_bin.data, enif_make_new_binary(env,data_bin.size,&ret), - &bf_key, (argv[2] == atom_true ? BF_ENCRYPT : BF_DECRYPT)); - CONSUME_REDS(env,data_bin); - return ret; -} - -static ERL_NIF_TERM blowfish_ofb64_encrypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Key, IVec, Data) */ - ErlNifBinary key_bin, ivec_bin, data_bin; - BF_KEY bf_key; /* blowfish key 8 */ - unsigned char bf_tkey[8]; /* blowfish ivec */ - int bf_n = 0; /* blowfish ivec pos */ - ERL_NIF_TERM ret; - - - if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin) - || !enif_inspect_binary(env, argv[1], &ivec_bin) - || ivec_bin.size != 8 - || !enif_inspect_iolist_as_binary(env, argv[2], &data_bin)) { - return enif_make_badarg(env); - } - - BF_set_key(&bf_key, key_bin.size, key_bin.data); - memcpy(bf_tkey, ivec_bin.data, 8); - BF_ofb64_encrypt(data_bin.data, enif_make_new_binary(env,data_bin.size,&ret), - data_bin.size, &bf_key, bf_tkey, &bf_n); - CONSUME_REDS(env,data_bin); - return ret; -} - #if defined(HAVE_EC) static EC_KEY* ec_key_new(ErlNifEnv* env, ERL_NIF_TERM curve_arg) { @@ -3629,7 +3160,6 @@ static ERL_NIF_TERM ec_key_generate(ErlNifEnv* env, int argc, const ERL_NIF_TERM ERL_NIF_TERM priv_key; ERL_NIF_TERM pub_key = atom_undefined; - if (!get_ec_key(env, argv[0], argv[1], atom_undefined, &key)) goto badarg; @@ -3659,50 +3189,33 @@ badarg: } static ERL_NIF_TERM ecdsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Type, Data|{digest,Digest}, Curve, Key) */ +{/* (Type, Digest, Curve, Key) */ #if defined(HAVE_EC) - ErlNifBinary data_bin, ret_bin; - unsigned char hmacbuf[SHA_DIGEST_LENGTH]; + ErlNifBinary digest_bin, ret_bin; unsigned int dsa_s_len; EC_KEY* key = NULL; - int i; - const ERL_NIF_TERM* tpl_terms; - int tpl_arity; + int i, len; struct digest_type_t *digp; - unsigned char* digest; - + const EVP_MD *md; digp = get_digest_type(argv[0]); if (!digp) { return enif_make_badarg(env); } - if (!digp->len) { + if (!digp->md_func) { return atom_notsup; } + md = digp->md_func(); + len = EVP_MD_size(md); - if (!get_ec_key(env, argv[2], argv[3], atom_undefined, &key)) + if (!enif_inspect_binary(env,argv[1],&digest_bin) + || digest_bin.size != len + || !get_ec_key(env, argv[2], argv[3], atom_undefined, &key)) goto badarg; - if (enif_get_tuple(env, argv[1], &tpl_arity, &tpl_terms)) { - if (tpl_arity != 2 || tpl_terms[0] != atom_digest - || !enif_inspect_binary(env, tpl_terms[1], &data_bin) - || data_bin.size != digp->len) { - - goto badarg; - } - digest = data_bin.data; - } - else { - if (!enif_inspect_binary(env,argv[1],&data_bin)) { - goto badarg; - } - digest = hmacbuf; - digp->funcp(data_bin.data, data_bin.size, digest); - } - enif_alloc_binary(ECDSA_size(key), &ret_bin); - i = ECDSA_sign(digp->NID_type, digest, digp->len, + i = ECDSA_sign(md->type, digest_bin.data, len, ret_bin.data, &dsa_s_len, key); EC_KEY_free(key); @@ -3727,49 +3240,32 @@ badarg: } static ERL_NIF_TERM ecdsa_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Type, Data|{digest,Digest}, Signature, Curve, Key) */ +{/* (Type, Digest, Signature, Curve, Key) */ #if defined(HAVE_EC) - ErlNifBinary data_bin, sign_bin; - unsigned char hmacbuf[SHA512_LEN]; - int i; + ErlNifBinary digest_bin, sign_bin; + int i, len; EC_KEY* key = NULL; const ERL_NIF_TERM type = argv[0]; - const ERL_NIF_TERM* tpl_terms; - int tpl_arity; - struct digest_type_t* digp = NULL; - unsigned char* digest = NULL; - + struct digest_type_t *digp = NULL; + const EVP_MD *md; digp = get_digest_type(type); if (!digp) { return enif_make_badarg(env); } - if (!digp->len) { + if (!digp->md_func) { return atom_notsup; } + md = digp->md_func(); + len = EVP_MD_size(md); - if (!enif_inspect_binary(env, argv[2], &sign_bin) + if (!enif_inspect_binary(env, argv[1], &digest_bin) + || digest_bin.size != len + || !enif_inspect_binary(env, argv[2], &sign_bin) || !get_ec_key(env, argv[3], atom_undefined, argv[4], &key)) goto badarg; - if (enif_get_tuple(env, argv[1], &tpl_arity, &tpl_terms)) { - if (tpl_arity != 2 || tpl_terms[0] != atom_digest - || !enif_inspect_binary(env, tpl_terms[1], &data_bin) - || data_bin.size != digp->len) { - - goto badarg; - } - digest = data_bin.data; - } - else if (enif_inspect_binary(env, argv[1], &data_bin)) { - digest = hmacbuf; - digp->funcp(data_bin.data, data_bin.size, digest); - } - else { - goto badarg; - } - - i = ECDSA_verify(digp->NID_type, digest, digp->len, + i = ECDSA_verify(md->type, digest_bin.data, len, sign_bin.data, sign_bin.size, key); EC_KEY_free(key); @@ -3803,7 +3299,6 @@ static ERL_NIF_TERM ecdh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF EC_POINT *my_ecpoint; EC_KEY *other_ecdh = NULL; - if (!get_ec_key(env, argv[1], argv[2], atom_undefined, &key)) return enif_make_badarg(env); @@ -3847,252 +3342,9 @@ out_err: static ERL_NIF_TERM rand_seed_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { ErlNifBinary seed_bin; + if (!enif_inspect_binary(env, argv[0], &seed_bin)) return enif_make_badarg(env); RAND_seed(seed_bin.data,seed_bin.size); return atom_ok; } - - -/* HMAC */ - -static void hmac_md5(unsigned char *key, int klen, unsigned char *dbuf, int dlen, - unsigned char *hmacbuf) -{ - MD5_CTX ctx; - char ipad[HMAC_INT_LEN]; - char opad[HMAC_INT_LEN]; - unsigned char nkey[MD5_LEN]; - int i; - - /* Change key if longer than 64 bytes */ - if (klen > HMAC_INT_LEN) { - MD5(key, klen, nkey); - key = nkey; - klen = MD5_LEN; - } - - memset(ipad, '\0', sizeof(ipad)); - memset(opad, '\0', sizeof(opad)); - memcpy(ipad, key, klen); - memcpy(opad, key, klen); - - for (i = 0; i < HMAC_INT_LEN; i++) { - ipad[i] ^= HMAC_IPAD; - opad[i] ^= HMAC_OPAD; - } - - /* inner MD5 */ - MD5_Init(&ctx); - MD5_Update(&ctx, ipad, HMAC_INT_LEN); - MD5_Update(&ctx, dbuf, dlen); - MD5_Final((unsigned char *) hmacbuf, &ctx); - /* outer MD5 */ - MD5_Init(&ctx); - MD5_Update(&ctx, opad, HMAC_INT_LEN); - MD5_Update(&ctx, hmacbuf, MD5_LEN); - MD5_Final((unsigned char *) hmacbuf, &ctx); -} - -static void hmac_sha1(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf) -{ - SHA_CTX ctx; - char ipad[HMAC_INT_LEN]; - char opad[HMAC_INT_LEN]; - unsigned char nkey[SHA_LEN]; - int i; - - /* Change key if longer than 64 bytes */ - if (klen > HMAC_INT_LEN) { - SHA1(key, klen, nkey); - key = nkey; - klen = SHA_LEN; - } - - memset(ipad, '\0', sizeof(ipad)); - memset(opad, '\0', sizeof(opad)); - memcpy(ipad, key, klen); - memcpy(opad, key, klen); - - for (i = 0; i < HMAC_INT_LEN; i++) { - ipad[i] ^= HMAC_IPAD; - opad[i] ^= HMAC_OPAD; - } - - /* inner SHA */ - SHA1_Init(&ctx); - SHA1_Update(&ctx, ipad, HMAC_INT_LEN); - SHA1_Update(&ctx, dbuf, dlen); - SHA1_Final((unsigned char *) hmacbuf, &ctx); - /* outer SHA */ - SHA1_Init(&ctx); - SHA1_Update(&ctx, opad, HMAC_INT_LEN); - SHA1_Update(&ctx, hmacbuf, SHA_LEN); - SHA1_Final((unsigned char *) hmacbuf, &ctx); -} - -#ifdef HAVE_SHA224 -static void hmac_sha224(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf) -{ - SHA256_CTX ctx; - char ipad[HMAC_INT_LEN]; - char opad[HMAC_INT_LEN]; - unsigned char nkey[SHA224_DIGEST_LENGTH]; - int i; - - /* Change key if longer than 64 bytes */ - if (klen > HMAC_INT_LEN) { - SHA224(key, klen, nkey); - key = nkey; - klen = SHA224_DIGEST_LENGTH; - } - - memset(ipad, '\0', sizeof(ipad)); - memset(opad, '\0', sizeof(opad)); - memcpy(ipad, key, klen); - memcpy(opad, key, klen); - - for (i = 0; i < HMAC_INT_LEN; i++) { - ipad[i] ^= HMAC_IPAD; - opad[i] ^= HMAC_OPAD; - } - - /* inner SHA */ - SHA224_Init(&ctx); - SHA224_Update(&ctx, ipad, HMAC_INT_LEN); - SHA224_Update(&ctx, dbuf, dlen); - SHA224_Final((unsigned char *) hmacbuf, &ctx); - /* outer SHA */ - SHA224_Init(&ctx); - SHA224_Update(&ctx, opad, HMAC_INT_LEN); - SHA224_Update(&ctx, hmacbuf, SHA224_DIGEST_LENGTH); - SHA224_Final((unsigned char *) hmacbuf, &ctx); -} -#endif - -#ifdef HAVE_SHA256 -static void hmac_sha256(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf) -{ - SHA256_CTX ctx; - char ipad[HMAC_INT_LEN]; - char opad[HMAC_INT_LEN]; - unsigned char nkey[SHA256_DIGEST_LENGTH]; - int i; - - /* Change key if longer than 64 bytes */ - if (klen > HMAC_INT_LEN) { - SHA256(key, klen, nkey); - key = nkey; - klen = SHA256_DIGEST_LENGTH; - } - - memset(ipad, '\0', sizeof(ipad)); - memset(opad, '\0', sizeof(opad)); - memcpy(ipad, key, klen); - memcpy(opad, key, klen); - - for (i = 0; i < HMAC_INT_LEN; i++) { - ipad[i] ^= HMAC_IPAD; - opad[i] ^= HMAC_OPAD; - } - - /* inner SHA */ - SHA256_Init(&ctx); - SHA256_Update(&ctx, ipad, HMAC_INT_LEN); - SHA256_Update(&ctx, dbuf, dlen); - SHA256_Final((unsigned char *) hmacbuf, &ctx); - /* outer SHA */ - SHA256_Init(&ctx); - SHA256_Update(&ctx, opad, HMAC_INT_LEN); - SHA256_Update(&ctx, hmacbuf, SHA256_DIGEST_LENGTH); - SHA256_Final((unsigned char *) hmacbuf, &ctx); -} -#endif - -#ifdef HAVE_SHA384 -static void hmac_sha384(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf) -{ - SHA512_CTX ctx; - char ipad[HMAC_INT2_LEN]; - char opad[HMAC_INT2_LEN]; - unsigned char nkey[SHA384_DIGEST_LENGTH]; - int i; - - /* Change key if longer than 64 bytes */ - if (klen > HMAC_INT2_LEN) { - SHA384(key, klen, nkey); - key = nkey; - klen = SHA384_DIGEST_LENGTH; - } - - memset(ipad, '\0', sizeof(ipad)); - memset(opad, '\0', sizeof(opad)); - memcpy(ipad, key, klen); - memcpy(opad, key, klen); - - for (i = 0; i < HMAC_INT2_LEN; i++) { - ipad[i] ^= HMAC_IPAD; - opad[i] ^= HMAC_OPAD; - } - - /* inner SHA */ - SHA384_Init(&ctx); - SHA384_Update(&ctx, ipad, HMAC_INT2_LEN); - SHA384_Update(&ctx, dbuf, dlen); - SHA384_Final((unsigned char *) hmacbuf, &ctx); - /* outer SHA */ - SHA384_Init(&ctx); - SHA384_Update(&ctx, opad, HMAC_INT2_LEN); - SHA384_Update(&ctx, hmacbuf, SHA384_DIGEST_LENGTH); - SHA384_Final((unsigned char *) hmacbuf, &ctx); -} -#endif - -#ifdef HAVE_SHA512 -static void hmac_sha512(unsigned char *key, int klen, - unsigned char *dbuf, int dlen, - unsigned char *hmacbuf) -{ - SHA512_CTX ctx; - char ipad[HMAC_INT2_LEN]; - char opad[HMAC_INT2_LEN]; - unsigned char nkey[SHA512_DIGEST_LENGTH]; - int i; - - /* Change key if longer than 64 bytes */ - if (klen > HMAC_INT2_LEN) { - SHA512(key, klen, nkey); - key = nkey; - klen = SHA512_DIGEST_LENGTH; - } - - memset(ipad, '\0', sizeof(ipad)); - memset(opad, '\0', sizeof(opad)); - memcpy(ipad, key, klen); - memcpy(opad, key, klen); - - for (i = 0; i < HMAC_INT2_LEN; i++) { - ipad[i] ^= HMAC_IPAD; - opad[i] ^= HMAC_OPAD; - } - - /* inner SHA */ - SHA512_Init(&ctx); - SHA512_Update(&ctx, ipad, HMAC_INT2_LEN); - SHA512_Update(&ctx, dbuf, dlen); - SHA512_Final((unsigned char *) hmacbuf, &ctx); - /* outer SHA */ - SHA512_Init(&ctx); - SHA512_Update(&ctx, opad, HMAC_INT2_LEN); - SHA512_Update(&ctx, hmacbuf, SHA512_DIGEST_LENGTH); - SHA512_Final((unsigned char *) hmacbuf, &ctx); -} -#endif |