diff options
Diffstat (limited to 'lib/crypto/c_src/crypto.c')
| -rw-r--r-- | lib/crypto/c_src/crypto.c | 273 |
1 files changed, 118 insertions, 155 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index 42fb172953..925ad0c091 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -81,12 +81,18 @@ # define HAVE_EC #endif +#if OPENSSL_VERSION_NUMBER >= 0x0090803fL +# define HAVE_AES_IGE +#endif + #if defined(HAVE_EC) #include <openssl/ec.h> #include <openssl/ecdh.h> #include <openssl/ecdsa.h> #endif + + #ifdef VALGRIND # include <valgrind/memcheck.h> @@ -221,6 +227,7 @@ 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[]); 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[]); @@ -249,7 +256,7 @@ static ERL_NIF_TERM ecdh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF /* helpers */ -static void init_algorithms_types(void); +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, @@ -349,6 +356,7 @@ static ErlNifFunc nif_funcs[] = { {"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}, @@ -376,100 +384,6 @@ static ErlNifFunc nif_funcs[] = { {"ecdh_compute_key_nif", 3, ecdh_compute_key_nif} }; -#if defined(HAVE_EC) -struct nid_map { - char *name; - int nid; - ERL_NIF_TERM atom; -}; - -static struct nid_map ec_curves[] = { - /* prime field curves */ - /* secg curves */ - { "secp112r1", NID_secp112r1 }, - { "secp112r2", NID_secp112r2 }, - { "secp128r1", NID_secp128r1 }, - { "secp128r2", NID_secp128r2 }, - { "secp160k1", NID_secp160k1 }, - { "secp160r1", NID_secp160r1 }, - { "secp160r2", NID_secp160r2 }, - /* SECG secp192r1 is the same as X9.62 prime192v1 */ - { "secp192r1", NID_X9_62_prime192v1 }, - { "secp192k1", NID_secp192k1 }, - { "secp224k1", NID_secp224k1 }, - { "secp224r1", NID_secp224r1 }, - { "secp256k1", NID_secp256k1 }, - /* SECG secp256r1 is the same as X9.62 prime256v1 */ - { "secp256r1", NID_X9_62_prime256v1 }, - { "secp384r1", NID_secp384r1 }, - { "secp521r1", NID_secp521r1 }, - /* X9.62 curves */ - { "prime192v1", NID_X9_62_prime192v1 }, - { "prime192v2", NID_X9_62_prime192v2 }, - { "prime192v3", NID_X9_62_prime192v3 }, - { "prime239v1", NID_X9_62_prime239v1 }, - { "prime239v2", NID_X9_62_prime239v2 }, - { "prime239v3", NID_X9_62_prime239v3 }, - { "prime256v1", NID_X9_62_prime256v1 }, - /* characteristic two field curves */ - /* NIST/SECG curves */ - { "sect113r1", NID_sect113r1 }, - { "sect113r2", NID_sect113r2 }, - { "sect131r1", NID_sect131r1 }, - { "sect131r2", NID_sect131r2 }, - { "sect163k1", NID_sect163k1 }, - { "sect163r1", NID_sect163r1 }, - { "sect163r2", NID_sect163r2 }, - { "sect193r1", NID_sect193r1 }, - { "sect193r2", NID_sect193r2 }, - { "sect233k1", NID_sect233k1 }, - { "sect233r1", NID_sect233r1 }, - { "sect239k1", NID_sect239k1 }, - { "sect283k1", NID_sect283k1 }, - { "sect283r1", NID_sect283r1 }, - { "sect409k1", NID_sect409k1 }, - { "sect409r1", NID_sect409r1 }, - { "sect571k1", NID_sect571k1 }, - { "sect571r1", NID_sect571r1 }, - /* X9.62 curves */ - { "c2pnb163v1", NID_X9_62_c2pnb163v1 }, - { "c2pnb163v2", NID_X9_62_c2pnb163v2 }, - { "c2pnb163v3", NID_X9_62_c2pnb163v3 }, - { "c2pnb176v1", NID_X9_62_c2pnb176v1 }, - { "c2tnb191v1", NID_X9_62_c2tnb191v1 }, - { "c2tnb191v2", NID_X9_62_c2tnb191v2 }, - { "c2tnb191v3", NID_X9_62_c2tnb191v3 }, - { "c2pnb208w1", NID_X9_62_c2pnb208w1 }, - { "c2tnb239v1", NID_X9_62_c2tnb239v1 }, - { "c2tnb239v2", NID_X9_62_c2tnb239v2 }, - { "c2tnb239v3", NID_X9_62_c2tnb239v3 }, - { "c2pnb272w1", NID_X9_62_c2pnb272w1 }, - { "c2pnb304w1", NID_X9_62_c2pnb304w1 }, - { "c2tnb359v1", NID_X9_62_c2tnb359v1 }, - { "c2pnb368w1", NID_X9_62_c2pnb368w1 }, - { "c2tnb431r1", NID_X9_62_c2tnb431r1 }, - /* the WAP/WTLS curves - * [unlike SECG, spec has its own OIDs for curves from X9.62] */ - { "wtls1", NID_wap_wsg_idm_ecid_wtls1 }, - { "wtls3", NID_wap_wsg_idm_ecid_wtls3 }, - { "wtls4", NID_wap_wsg_idm_ecid_wtls4 }, - { "wtls5", NID_wap_wsg_idm_ecid_wtls5 }, - { "wtls6", NID_wap_wsg_idm_ecid_wtls6 }, - { "wtls7", NID_wap_wsg_idm_ecid_wtls7 }, - { "wtls8", NID_wap_wsg_idm_ecid_wtls8 }, - { "wtls9", NID_wap_wsg_idm_ecid_wtls9 }, - { "wtls10", NID_wap_wsg_idm_ecid_wtls10 }, - { "wtls11", NID_wap_wsg_idm_ecid_wtls11 }, - { "wtls12", NID_wap_wsg_idm_ecid_wtls12 }, - /* IPSec curves */ - { "ipsec3", NID_ipsec3 }, - { "ipsec4", NID_ipsec4 } -}; - -#define EC_CURVES_CNT (sizeof(ec_curves)/sizeof(struct nid_map)) - -#endif /* HAVE_EC */ - ERL_NIF_INIT(crypto,nif_funcs,load,NULL,upgrade,unload) @@ -538,16 +452,20 @@ static ERL_NIF_TERM atom_onbasis; #define PRINTF_ERR1(FMT,A1) #ifdef HAVE_DYNAMIC_CRYPTO_LIB -static int change_basename(char* buf, int bufsz, const char* newfile) +static int change_basename(ErlNifBinary* bin, char* buf, int bufsz, const char* newfile) { - char* p = strrchr(buf, '/'); - p = (p == NULL) ? buf : p + 1; + int i; - if ((p - buf) + strlen(newfile) >= bufsz) { + for (i = bin->size; i > 0; i--) { + if (bin->data[i-1] == '/') + break; + } + if (i + strlen(newfile) >= bufsz) { PRINTF_ERR0("CRYPTO: lib name too long"); return 0; } - strcpy(p, newfile); + memcpy(buf, bin->data, i); + strcpy(buf+i, newfile); return 1; } @@ -566,14 +484,15 @@ static int init(ErlNifEnv* env, ERL_NIF_TERM load_info) int tpl_arity; const ERL_NIF_TERM* tpl_array; int vernum; + ErlNifBinary lib_bin; char lib_buf[1000]; - /* load_info: {201, "/full/path/of/this/library"} */ + /* load_info: {301, <<"/full/path/of/this/library">>} */ if (!enif_get_tuple(env, load_info, &tpl_arity, &tpl_array) || tpl_arity != 2 || !enif_get_int(env, tpl_array[0], &vernum) - || vernum != 201 - || enif_get_string(env, tpl_array[1], lib_buf, sizeof(lib_buf), ERL_NIF_LATIN1) <= 0) { + || vernum != 301 + || !enif_inspect_binary(env, tpl_array[1], &lib_bin)) { PRINTF_ERR1("CRYPTO: Invalid load_info '%T'", load_info); return 0; @@ -619,21 +538,15 @@ static int init(ErlNifEnv* env, ERL_NIF_TERM load_info) atom_tpbasis = enif_make_atom(env,"tpbasis"); atom_ppbasis = enif_make_atom(env,"ppbasis"); atom_onbasis = enif_make_atom(env,"onbasis"); - - { - int i; - for (i = 0; i < EC_CURVES_CNT; i++) - ec_curves[i].atom = enif_make_atom(env,ec_curves[i].name); - } #endif init_digest_types(env); - init_algorithms_types(); + init_algorithms_types(env); #ifdef HAVE_DYNAMIC_CRYPTO_LIB { void* handle; - if (!change_basename(lib_buf, sizeof(lib_buf), "crypto_callback")) { + if (!change_basename(&lib_bin, lib_buf, sizeof(lib_buf), "crypto_callback")) { return 0; } if (!(handle = enif_dlopen(lib_buf, &error_handler, NULL))) { @@ -709,36 +622,61 @@ static void unload(ErlNifEnv* env, void* priv_data) --library_refc; } -static int algos_cnt; -static ERL_NIF_TERM algos[9]; /* increase when extending the list */ +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 int algo_cipher_cnt; +static ERL_NIF_TERM algo_cipher[2]; /* increase when extending the list */ -static void init_algorithms_types(void) +static void init_algorithms_types(ErlNifEnv* env) { - algos_cnt = 0; - algos[algos_cnt++] = atom_md4; - algos[algos_cnt++] = atom_md5; - algos[algos_cnt++] = atom_sha; - algos[algos_cnt++] = atom_ripemd160; + 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 - algos[algos_cnt++] = atom_sha224; + algo_hash[algo_hash_cnt++] = atom_sha224; #endif #ifdef HAVE_SHA256 - algos[algos_cnt++] = atom_sha256; + algo_hash[algo_hash_cnt++] = atom_sha256; #endif #ifdef HAVE_SHA384 - algos[algos_cnt++] = atom_sha384; + algo_hash[algo_hash_cnt++] = atom_sha384; #endif #ifdef HAVE_SHA512 - algos[algos_cnt++] = atom_sha512; + algo_hash[algo_hash_cnt++] = atom_sha512; #endif + + algo_pubkey_cnt = 0; #if defined(HAVE_EC) - algos[algos_cnt++] = atom_ec; +#if !defined(OPENSSL_NO_EC2M) + 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"); +#endif + + algo_cipher_cnt = 0; +#ifdef HAVE_DES_ede3_cfb_encrypt + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env, "des3_cbf"); #endif +#ifdef HAVE_AES_IGE + algo_cipher[algo_cipher_cnt++] = enif_make_atom(env,"aes_ige256"); +#endif + + ASSERT(algo_hash_cnt <= sizeof(algo_hash)/sizeof(ERL_NIF_TERM)); + ASSERT(algo_pubkey_cnt <= sizeof(algo_pubkey)/sizeof(ERL_NIF_TERM)); + ASSERT(algo_cipher_cnt <= sizeof(algo_cipher)/sizeof(ERL_NIF_TERM)); } static ERL_NIF_TERM algorithms(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { - return enif_make_list_from_array(env, algos, algos_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)); } static ERL_NIF_TERM info_lib(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) @@ -1789,7 +1727,7 @@ 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[]) {/* (Base,Exponent,Modulo,bin_hdr) */ - BIGNUM *bn_base=NULL, *bn_exponent=NULL, *bn_modulo, *bn_result; + BIGNUM *bn_base=NULL, *bn_exponent=NULL, *bn_modulo=NULL, *bn_result; BN_CTX *bn_ctx; unsigned char* ptr; unsigned dlen; @@ -1804,6 +1742,7 @@ static ERL_NIF_TERM mod_exp_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg if (bn_base) BN_free(bn_base); if (bn_exponent) BN_free(bn_exponent); + if (bn_modulo) BN_free(bn_modulo); return enif_make_badarg(env); } bn_result = BN_new(); @@ -2090,6 +2029,45 @@ static ERL_NIF_TERM aes_cbc_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM a return ret; } +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; @@ -2600,7 +2578,7 @@ 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[]) {/* (Multiplier, Verifier, Generator, Exponent, Prime) */ BIGNUM *bn_verifier = NULL; - BIGNUM *bn_exponent, *bn_generator, *bn_prime, *bn_multiplier, *bn_result; + BIGNUM *bn_exponent = NULL, *bn_generator = NULL, *bn_prime = NULL, *bn_multiplier = NULL, *bn_result; BN_CTX *bn_ctx; unsigned char* ptr; unsigned dlen; @@ -2613,9 +2591,9 @@ static ERL_NIF_TERM srp_value_B_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM || !get_bn_from_bin(env, argv[4], &bn_prime)) { if (bn_multiplier) BN_free(bn_multiplier); if (bn_verifier) BN_free(bn_verifier); - if (bn_verifier) BN_free(bn_generator); - if (bn_verifier) BN_free(bn_exponent); - if (bn_verifier) BN_free(bn_prime); + if (bn_generator) BN_free(bn_generator); + if (bn_exponent) BN_free(bn_exponent); + if (bn_prime) BN_free(bn_prime); return enif_make_badarg(env); } @@ -2739,7 +2717,7 @@ static ERL_NIF_TERM srp_host_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_ <premaster secret> = (A * v^u) ^ b % N */ BIGNUM *bn_b = NULL, *bn_verifier = NULL; - BIGNUM *bn_prime, *bn_A, *bn_u, *bn_base, *bn_result; + BIGNUM *bn_prime = NULL, *bn_A = NULL, *bn_u = NULL, *bn_base, *bn_result; BN_CTX *bn_ctx; unsigned char* ptr; unsigned dlen; @@ -2887,21 +2865,9 @@ static ERL_NIF_TERM blowfish_ofb64_encrypt(ErlNifEnv* env, int argc, const ERL_N } #if defined(HAVE_EC) -static int term2curve_id(ERL_NIF_TERM nid) -{ - int i; - - for (i = 0; i < EC_CURVES_CNT; i++) - if (ec_curves[i].atom == nid) - return ec_curves[i].nid; - - return 0; -} - static EC_KEY* ec_key_new(ErlNifEnv* env, ERL_NIF_TERM curve_arg) { EC_KEY *key = NULL; - int nid = 0; int c_arity = -1; const ERL_NIF_TERM* curve; ErlNifBinary seed; @@ -2913,18 +2879,12 @@ static EC_KEY* ec_key_new(ErlNifEnv* env, ERL_NIF_TERM curve_arg) EC_GROUP *group = NULL; EC_POINT *point = NULL; - if (enif_is_atom(env, curve_arg)) { - nid = term2curve_id(curve_arg); - if (nid == 0) - return NULL; - key = EC_KEY_new_by_curve_name(nid); - } - else if (enif_is_tuple(env, curve_arg) - && enif_get_tuple(env,curve_arg,&c_arity,&curve) - && c_arity == 5 - && get_bn_from_bin(env, curve[3], &bn_order) - && (curve[4] != atom_none && get_bn_from_bin(env, curve[4], &cofactor))) { - /* {Field, Prime, Point, Order, CoFactor} = Curve */ + /* {Field, Prime, Point, Order, CoFactor} = Curve */ + if (enif_is_tuple(env, curve_arg) + && enif_get_tuple(env,curve_arg,&c_arity,&curve) + && c_arity == 5 + && get_bn_from_bin(env, curve[3], &bn_order) + && (curve[4] != atom_none && get_bn_from_bin(env, curve[4], &cofactor))) { int f_arity = -1; const ERL_NIF_TERM* field; @@ -2958,6 +2918,8 @@ static EC_KEY* ec_key_new(ErlNifEnv* env, ERL_NIF_TERM curve_arg) /* create the EC_GROUP structure */ group = EC_GROUP_new_curve_GFp(p, a, b, NULL); +#if !defined(OPENSSL_NO_EC2M) + } else if (f_arity == 3 && field[0] == atom_characteristic_two_field) { /* {characteristic_two_field, M, Basis} */ @@ -3016,6 +2978,7 @@ static EC_KEY* ec_key_new(ErlNifEnv* env, ERL_NIF_TERM curve_arg) goto out_err; group = EC_GROUP_new_curve_GF2m(p, a, b, NULL); +#endif } else goto out_err; |