diff options
| -rw-r--r-- | lib/crypto/c_src/crypto.c | 938 | ||||
| -rw-r--r-- | lib/crypto/doc/src/crypto.xml | 19 | ||||
| -rw-r--r-- | lib/crypto/src/crypto.erl | 89 | ||||
| -rw-r--r-- | lib/crypto/test/crypto_SUITE.erl | 110 | ||||
| -rw-r--r-- | lib/public_key/doc/src/public_key.xml | 23 | ||||
| -rw-r--r-- | lib/public_key/src/public_key.erl | 126 |
6 files changed, 895 insertions, 410 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index 8cb9ec1e87..52ce00b937 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -110,6 +110,10 @@ #endif +#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) +# define HAS_EVP_PKEY_CTX +#endif + #if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) #include <openssl/modes.h> @@ -433,13 +437,11 @@ static ERL_NIF_TERM strong_rand_bytes_nif(ErlNifEnv* env, int argc, const ERL_NI static ERL_NIF_TERM strong_rand_range_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rand_uniform_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); 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 do_exor(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 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 pkey_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); +static ERL_NIF_TERM pkey_verify_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[]); static ERL_NIF_TERM rsa_private_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rsa_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); @@ -452,8 +454,6 @@ static ERL_NIF_TERM srp_user_secret_nif(ErlNifEnv* env, int argc, const ERL_NIF_ static ERL_NIF_TERM srp_host_secret_nif(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[]); -static ERL_NIF_TERM ecdsa_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM ecdh_compute_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); static ERL_NIF_TERM rand_seed_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]); @@ -506,13 +506,11 @@ static ErlNifFunc nif_funcs[] = { {"strong_rand_range_nif", 1, strong_rand_range_nif}, {"rand_uniform_nif", 2, rand_uniform_nif}, {"mod_exp_nif", 4, mod_exp_nif}, - {"dss_verify_nif", 4, dss_verify_nif}, - {"rsa_verify_nif", 4, rsa_verify_nif}, {"do_exor", 2, do_exor}, {"rc4_set_key", 1, rc4_set_key}, {"rc4_encrypt_with_state", 2, rc4_encrypt_with_state}, - {"rsa_sign_nif", 3, rsa_sign_nif}, - {"dss_sign_nif", 3, dss_sign_nif}, + {"pkey_sign_nif", 5, pkey_sign_nif}, + {"pkey_verify_nif", 6, pkey_verify_nif}, {"rsa_public_crypt", 4, rsa_public_crypt}, {"rsa_private_crypt", 4, rsa_private_crypt}, {"rsa_generate_key_nif", 2, rsa_generate_key_nif}, @@ -525,8 +523,6 @@ static ErlNifFunc nif_funcs[] = { {"srp_host_secret_nif", 5, srp_host_secret_nif}, {"ec_key_generate", 2, ec_key_generate}, - {"ecdsa_sign_nif", 4, ecdsa_sign_nif}, - {"ecdsa_verify_nif", 5, ecdsa_verify_nif}, {"ecdh_compute_key_nif", 3, ecdh_compute_key_nif}, {"rand_seed_nif", 1, rand_seed_nif}, @@ -589,6 +585,23 @@ static ERL_NIF_TERM atom_des_ecb; static ERL_NIF_TERM atom_blowfish_ecb; #endif +static ERL_NIF_TERM atom_rsa; +static ERL_NIF_TERM atom_dss; +static ERL_NIF_TERM atom_ecdsa; +static ERL_NIF_TERM atom_rsa_mgf1_md; +static ERL_NIF_TERM atom_rsa_padding; +static ERL_NIF_TERM atom_rsa_pkcs1_pss_padding; +static ERL_NIF_TERM atom_rsa_x931_padding; +static ERL_NIF_TERM atom_rsa_pss_saltlen; +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_ripemd160; + + + static ErlNifResourceType* hmac_context_rtype; struct hmac_context { @@ -916,6 +929,20 @@ static int initialize(ErlNifEnv* env, ERL_NIF_TERM load_info) #else atom_not_supported = enif_make_atom(env,"not_supported"); #endif + atom_rsa = enif_make_atom(env,"rsa"); + atom_dss = enif_make_atom(env,"dss"); + atom_ecdsa = enif_make_atom(env,"ecdsa"); + atom_rsa_mgf1_md = enif_make_atom(env,"rsa_mgf1_md"); + atom_rsa_padding = enif_make_atom(env,"rsa_padding"); + atom_rsa_pkcs1_pss_padding = enif_make_atom(env,"rsa_pkcs1_pss_padding"); + atom_rsa_x931_padding = enif_make_atom(env,"rsa_x931_padding"); + atom_rsa_pss_saltlen = enif_make_atom(env,"rsa_pss_saltlen"); + 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_md5 = enif_make_atom(env,"md5"); + atom_ripemd160 = enif_make_atom(env,"ripemd160"); init_digest_types(env); init_cipher_types(env); @@ -2464,44 +2491,6 @@ static ERL_NIF_TERM mod_exp_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg return ret; } -static ERL_NIF_TERM dss_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (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; - ERL_NIF_TERM head, tail; - DSA *dsa; - int i; - - 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) - || !get_bn_from_bin(env, head, &dsa_q) - || !enif_get_list_cell(env, tail, &head, &tail) - || !get_bn_from_bin(env, head, &dsa_g) - || !enif_get_list_cell(env, tail, &head, &tail) - || !get_bn_from_bin(env, head, &dsa_y) - || !enif_is_empty_list(env,tail)) { - - if (dsa_p) BN_free(dsa_p); - if (dsa_q) BN_free(dsa_q); - if (dsa_g) BN_free(dsa_g); - if (dsa_y) BN_free(dsa_y); - return enif_make_badarg(env); - } - - dsa = DSA_new(); - DSA_set0_pqg(dsa, dsa_p, dsa_q, dsa_g); - DSA_set0_key(dsa, dsa_y, NULL); - 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 init_digest_types(ErlNifEnv* env) { struct digest_type_t* p = digest_types; @@ -2548,73 +2537,6 @@ static struct cipher_type_t* get_cipher_type(ERL_NIF_TERM type, size_t key_len) 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 >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) - 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; - BIGNUM *rsa_e; - BIGNUM *rsa_n; - - digp = get_digest_type(type); - if (!digp) { - return enif_make_badarg(env); - } - md = digp->md.p; - if (!md) { - return atom_notsup; - } - - rsa = RSA_new(); - - 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) - || !get_bn_from_bin(env, head, &rsa_n) - || !enif_is_empty_list(env, tail)) { - - ret = enif_make_badarg(env); - goto done; - } - - (void) RSA_set0_key(rsa, rsa_n, rsa_e, NULL); - -#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) - 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); - -done: - RSA_free(rsa); - return ret; -} - static ERL_NIF_TERM do_exor(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {/* (Data1, Data2) */ ErlNifBinary d1, d2; @@ -2718,100 +2640,33 @@ static int get_rsa_private_key(ErlNifEnv* env, ERL_NIF_TERM key, RSA *rsa) return 1; } -static ERL_NIF_TERM rsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Type, Digest, Key=[E,N,D]|[E,N,D,P1,P2,E1,E2,C]) */ - ErlNifBinary digest_bin, ret_bin; -#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) - 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; - const EVP_MD *md; - digp = get_digest_type(argv[0]); - if (!digp) { - return enif_make_badarg(env); - } - md = digp->md.p; - if (!md) { - return atom_notsup; - } - - if (!enif_inspect_binary(env,argv[1],&digest_bin) - || digest_bin.size != EVP_MD_size(md)) { - return enif_make_badarg(env); - } +static int get_rsa_public_key(ErlNifEnv* env, ERL_NIF_TERM key, RSA *rsa) +{ + /* key=[E,N] */ + ERL_NIF_TERM head, tail; + BIGNUM *e, *n; - rsa = RSA_new(); - if (!get_rsa_private_key(env, argv[2], rsa)) { - RSA_free(rsa); - return enif_make_badarg(env); + if (!enif_get_list_cell(env, key, &head, &tail) + || !get_bn_from_bin(env, head, &e) + || !enif_get_list_cell(env, tail, &head, &tail) + || !get_bn_from_bin(env, head, &n) + || !enif_is_empty_list(env, tail)) { + return 0; } - -#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) - 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_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 > 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); - ERL_VALGRIND_ASSERT_MEM_DEFINED(ret_bin.data, rsa_s_len); - } - return enif_make_binary(env,&ret_bin); - } - else { - enif_release_binary(&ret_bin); - return atom_error; - } + (void) RSA_set0_key(rsa, n, e, NULL); + return 1; } - -static ERL_NIF_TERM dss_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (sha, Digest, Key=[P,Q,G,PrivKey]) */ - ErlNifBinary digest_bin, ret_bin; +static int get_dss_private_key(ErlNifEnv* env, ERL_NIF_TERM key, DSA *dsa) +{ + /* key=[P,Q,G,KEY] */ ERL_NIF_TERM head, tail; - unsigned int dsa_s_len; - DSA* dsa; BIGNUM *dsa_p = NULL, *dsa_q = NULL, *dsa_g = NULL; BIGNUM *dummy_pub_key, *priv_key = NULL; - int i; - - if (argv[0] != atom_sha - || !enif_inspect_binary(env, argv[1], &digest_bin) - || digest_bin.size != SHA_DIGEST_LENGTH) { - return enif_make_badarg(env); - } - if (!enif_get_list_cell(env, argv[2], &head, &tail) + if (!enif_get_list_cell(env, key, &head, &tail) || !get_bn_from_bin(env, head, &dsa_p) || !enif_get_list_cell(env, tail, &head, &tail) || !get_bn_from_bin(env, head, &dsa_q) @@ -2824,7 +2679,7 @@ static ERL_NIF_TERM dss_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar if (dsa_q) BN_free(dsa_q); if (dsa_g) BN_free(dsa_g); if (priv_key) BN_free(priv_key); - return enif_make_badarg(env); + return 0; } /* Note: DSA_set0_key() does not allow setting only the @@ -2834,27 +2689,39 @@ static ERL_NIF_TERM dss_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM ar */ dummy_pub_key = BN_dup(priv_key); - dsa = DSA_new(); DSA_set0_pqg(dsa, dsa_p, dsa_q, dsa_g); DSA_set0_key(dsa, dummy_pub_key, priv_key); - enif_alloc_binary(DSA_size(dsa), &ret_bin); - i = DSA_sign(NID_sha1, digest_bin.data, SHA_DIGEST_LENGTH, - ret_bin.data, &dsa_s_len, dsa); - DSA_free(dsa); - - if (i) { - if (dsa_s_len != ret_bin.size) { - enif_realloc_binary(&ret_bin, dsa_s_len); - } - return enif_make_binary(env, &ret_bin); - } - else { - enif_release_binary(&ret_bin); - return atom_error; - } + return 1; } +static int get_dss_public_key(ErlNifEnv* env, ERL_NIF_TERM key, DSA *dsa) +{ + /* key=[P, Q, G, Y] */ + ERL_NIF_TERM head, tail; + BIGNUM *dsa_p = NULL, *dsa_q = NULL, *dsa_g = NULL, *dsa_y = NULL; + + if (!enif_get_list_cell(env, key, &head, &tail) + || !get_bn_from_bin(env, head, &dsa_p) + || !enif_get_list_cell(env, tail, &head, &tail) + || !get_bn_from_bin(env, head, &dsa_q) + || !enif_get_list_cell(env, tail, &head, &tail) + || !get_bn_from_bin(env, head, &dsa_g) + || !enif_get_list_cell(env, tail, &head, &tail) + || !get_bn_from_bin(env, head, &dsa_y) + || !enif_is_empty_list(env,tail)) { + if (dsa_p) BN_free(dsa_p); + if (dsa_q) BN_free(dsa_q); + if (dsa_g) BN_free(dsa_g); + if (dsa_y) BN_free(dsa_y); + return 0; + } + + DSA_set0_pqg(dsa, dsa_p, dsa_q, dsa_g); + DSA_set0_key(dsa, dsa_y, NULL); + return 1; +} + static int rsa_pad(ERL_NIF_TERM term, int* padding) { if (term == atom_rsa_pkcs1_padding) { @@ -3804,99 +3671,6 @@ badarg: #endif } -static ERL_NIF_TERM ecdsa_sign_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Type, Digest, Curve, Key) */ -#if defined(HAVE_EC) - ErlNifBinary digest_bin, ret_bin; - unsigned int dsa_s_len; - EC_KEY* key = NULL; - int i, len; - struct digest_type_t *digp; - const EVP_MD *md; - - digp = get_digest_type(argv[0]); - if (!digp) { - return enif_make_badarg(env); - } - md = digp->md.p; - if (!md) { - return atom_notsup; - } - len = EVP_MD_size(md); - - 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; - - enif_alloc_binary(ECDSA_size(key), &ret_bin); - - i = ECDSA_sign(EVP_MD_type(md), digest_bin.data, len, - ret_bin.data, &dsa_s_len, key); - - EC_KEY_free(key); - if (i) { - if (dsa_s_len != ret_bin.size) { - enif_realloc_binary(&ret_bin, dsa_s_len); - } - return enif_make_binary(env, &ret_bin); - } - else { - enif_release_binary(&ret_bin); - return atom_error; - } - -badarg: - if (key) - EC_KEY_free(key); - return make_badarg_maybe(env); -#else - return atom_notsup; -#endif -} - -static ERL_NIF_TERM ecdsa_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) -{/* (Type, Digest, Signature, Curve, Key) */ -#if defined(HAVE_EC) - ErlNifBinary digest_bin, sign_bin; - int i, len; - EC_KEY* key = NULL; - const ERL_NIF_TERM type = argv[0]; - struct digest_type_t *digp = NULL; - const EVP_MD *md; - - digp = get_digest_type(type); - if (!digp) { - return enif_make_badarg(env); - } - md = digp->md.p; - if (!md) { - return atom_notsup; - } - len = EVP_MD_size(md); - - 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; - - i = ECDSA_verify(EVP_MD_type(md), digest_bin.data, len, - sign_bin.data, sign_bin.size, key); - - EC_KEY_free(key); - - return (i==1 ? atom_true : atom_false); - -badarg: - if (key) - EC_KEY_free(key); - return make_badarg_maybe(env); -#else - return atom_notsup; -#endif -} - /* (_OthersPublicKey, _MyPrivateKey) (_OthersPublicKey, _MyEC_Point) @@ -3955,6 +3729,548 @@ out_err: #endif } +/*================================================================*/ +#define PKEY_BADARG -1 +#define PKEY_NOTSUP 0 +#define PKEY_OK 1 + +typedef struct PKeyCryptOptions { + const EVP_MD *rsa_mgf1_md; + ErlNifBinary rsa_oaep_label; + const EVP_MD *rsa_oaep_md; + int rsa_padding; + const EVP_MD *signature_md; +} PKeyCryptOptions; + +typedef struct PKeySignOptions { + const EVP_MD *rsa_mgf1_md; + int rsa_padding; + int rsa_pss_saltlen; +} PKeySignOptions; + +static int get_pkey_digest_type(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_TERM type, + const EVP_MD **md) +{ + struct digest_type_t *digp = NULL; + *md = NULL; + + if (type == atom_none && algorithm == atom_rsa) return PKEY_OK; + + digp = get_digest_type(type); + if (!digp) return PKEY_BADARG; + if (!digp->md.p) return PKEY_NOTSUP; + + *md = digp->md.p; + return PKEY_OK; +} + + +static int get_pkey_sign_digest(ErlNifEnv *env, ERL_NIF_TERM algorithm, + ERL_NIF_TERM type, ERL_NIF_TERM data, + unsigned char *md_value, const EVP_MD **mdp, + unsigned char **tbsp, size_t *tbslenp) +{ + int i; + const ERL_NIF_TERM *tpl_terms; + int tpl_arity; + ErlNifBinary tbs_bin; + EVP_MD_CTX *mdctx; + const EVP_MD *md = *mdp; + unsigned char *tbs = *tbsp; + size_t tbslen = *tbslenp; + unsigned int tbsleni; + + if ((i = get_pkey_digest_type(env, algorithm, type, &md)) != PKEY_OK) { + return i; + } + if (enif_get_tuple(env, data, &tpl_arity, &tpl_terms)) { + if (tpl_arity != 2 || tpl_terms[0] != atom_digest + || !enif_inspect_binary(env, tpl_terms[1], &tbs_bin) + || (md != NULL && tbs_bin.size != EVP_MD_size(md))) { + return PKEY_BADARG; + } + /* We have a digest (= hashed text) in tbs_bin */ + tbs = tbs_bin.data; + tbslen = tbs_bin.size; + } else if (md == NULL) { + if (!enif_inspect_binary(env, data, &tbs_bin)) { + return PKEY_BADARG; + } + /* md == NULL, that is no hashing because DigestType argument was atom_none */ + tbs = tbs_bin.data; + tbslen = tbs_bin.size; + } else { + if (!enif_inspect_binary(env, data, &tbs_bin)) { + return PKEY_BADARG; + } + /* We have the cleartext in tbs_bin and the hash algo info in md */ + tbs = md_value; + mdctx = EVP_MD_CTX_create(); + if (!mdctx) { + return PKEY_BADARG; + } + /* Looks well, now hash the plain text into a digest according to md */ + if (EVP_DigestInit_ex(mdctx, md, NULL) <= 0) { + EVP_MD_CTX_destroy(mdctx); + return PKEY_BADARG; + } + if (EVP_DigestUpdate(mdctx, tbs_bin.data, tbs_bin.size) <= 0) { + EVP_MD_CTX_destroy(mdctx); + return PKEY_BADARG; + } + if (EVP_DigestFinal_ex(mdctx, tbs, &tbsleni) <= 0) { + EVP_MD_CTX_destroy(mdctx); + return PKEY_BADARG; + } + tbslen = (size_t)(tbsleni); + EVP_MD_CTX_destroy(mdctx); + } + + *mdp = md; + *tbsp = tbs; + *tbslenp = tbslen; + + return PKEY_OK; +} + + +static int get_pkey_sign_options(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_TERM options, + const EVP_MD *md, PKeySignOptions *opt) +{ + ERL_NIF_TERM head, tail; + const ERL_NIF_TERM *tpl_terms; + int tpl_arity; + const EVP_MD *opt_md; + int i; + + if (!enif_is_list(env, options)) { + return PKEY_BADARG; + } + + /* defaults */ + if (algorithm == atom_rsa) { + opt->rsa_mgf1_md = NULL; + opt->rsa_padding = RSA_PKCS1_PADDING; + opt->rsa_pss_saltlen = -2; + } + + if (enif_is_empty_list(env, options)) { + return PKEY_OK; + } + + if (algorithm == atom_rsa) { + tail = options; + while (enif_get_list_cell(env, tail, &head, &tail)) { + if (enif_get_tuple(env, head, &tpl_arity, &tpl_terms) && tpl_arity == 2) { + if (tpl_terms[0] == atom_rsa_mgf1_md && enif_is_atom(env, tpl_terms[1])) { + i = get_pkey_digest_type(env, algorithm, tpl_terms[1], &opt_md); + if (i != PKEY_OK) { + return i; + } + opt->rsa_mgf1_md = opt_md; + } else if (tpl_terms[0] == atom_rsa_padding) { + if (tpl_terms[1] == atom_rsa_pkcs1_padding) { + opt->rsa_padding = RSA_PKCS1_PADDING; + } else if (tpl_terms[1] == atom_rsa_pkcs1_pss_padding) { +#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) + opt->rsa_padding = RSA_PKCS1_PSS_PADDING; + if (opt->rsa_mgf1_md == NULL) { + opt->rsa_mgf1_md = md; + } +#else + return PKEY_NOTSUP; +#endif + } else if (tpl_terms[1] == atom_rsa_x931_padding) { + opt->rsa_padding = RSA_X931_PADDING; + } else if (tpl_terms[1] == atom_rsa_no_padding) { + opt->rsa_padding = RSA_NO_PADDING; + } else { + return PKEY_BADARG; + } + } else if (tpl_terms[0] == atom_rsa_pss_saltlen) { + if (!enif_get_int(env, tpl_terms[1], &(opt->rsa_pss_saltlen)) + || opt->rsa_pss_saltlen < -2) { + return PKEY_BADARG; + } + } else { + return PKEY_BADARG; + } + } else { + return PKEY_BADARG; + } + } + } else { + return PKEY_BADARG; + } + + return PKEY_OK; +} + +static int get_pkey_sign_key(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_TERM key, EVP_PKEY **pkey) +{ + if (algorithm == atom_rsa) { + RSA *rsa = RSA_new(); + + if (!get_rsa_private_key(env, key, rsa)) { + RSA_free(rsa); + return PKEY_BADARG; + } + + *pkey = EVP_PKEY_new(); + if (!EVP_PKEY_assign_RSA(*pkey, rsa)) { + EVP_PKEY_free(*pkey); + RSA_free(rsa); + return PKEY_BADARG; + } + } else if (algorithm == atom_ecdsa) { +#if defined(HAVE_EC) + EC_KEY *ec = NULL; + const ERL_NIF_TERM *tpl_terms; + int tpl_arity; + + if (enif_get_tuple(env, key, &tpl_arity, &tpl_terms) && tpl_arity == 2 + && enif_is_tuple(env, tpl_terms[0]) && enif_is_binary(env, tpl_terms[1]) + && get_ec_key(env, tpl_terms[0], tpl_terms[1], atom_undefined, &ec)) { + + *pkey = EVP_PKEY_new(); + if (!EVP_PKEY_assign_EC_KEY(*pkey, ec)) { + EVP_PKEY_free(*pkey); + EC_KEY_free(ec); + return PKEY_BADARG; + } + } else { + return PKEY_BADARG; + } +#else + return PKEY_NOTSUP; +#endif + } else if (algorithm == atom_dss) { + DSA *dsa = DSA_new(); + + if (!get_dss_private_key(env, key, dsa)) { + DSA_free(dsa); + return PKEY_BADARG; + } + + *pkey = EVP_PKEY_new(); + if (!EVP_PKEY_assign_DSA(*pkey, dsa)) { + EVP_PKEY_free(*pkey); + DSA_free(dsa); + return PKEY_BADARG; + } + } else { + return PKEY_BADARG; + } + + return PKEY_OK; +} + +static ERL_NIF_TERM pkey_sign_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{/* (Algorithm, Type, Data|{digest,Digest}, Key, Options) */ + int i; + const EVP_MD *md = NULL; + unsigned char md_value[EVP_MAX_MD_SIZE]; + EVP_PKEY *pkey; +#ifdef HAS_EVP_PKEY_CTX + EVP_PKEY_CTX *ctx; + size_t siglen; +#else + unsigned len, siglen; +#endif + PKeySignOptions sig_opt; + ErlNifBinary sig_bin; /* signature */ + unsigned char *tbs; /* data to be signed */ + size_t tbslen; +/*char buf[1024]; +enif_get_atom(env,argv[0],buf,1024,ERL_NIF_LATIN1); printf("algo=%s ",buf); +enif_get_atom(env,argv[1],buf,1024,ERL_NIF_LATIN1); printf("hash=%s ",buf); +printf("\r\n"); +*/ + i = get_pkey_sign_digest(env, argv[0], argv[1], argv[2], md_value, &md, &tbs, &tbslen); + if (i != PKEY_OK) { + if (i == PKEY_NOTSUP) + return atom_notsup; + else + return enif_make_badarg(env); + } + + i = get_pkey_sign_options(env, argv[0], argv[4], md, &sig_opt); + if (i != PKEY_OK) { + if (i == PKEY_NOTSUP) + return atom_notsup; + else + return enif_make_badarg(env); + } + + if (get_pkey_sign_key(env, argv[0], argv[3], &pkey) != PKEY_OK) { + return enif_make_badarg(env); + } + +#ifdef HAS_EVP_PKEY_CTX +/* printf("EVP interface\r\n"); + */ + ctx = EVP_PKEY_CTX_new(pkey, NULL); + if (!ctx) goto badarg; + if (EVP_PKEY_sign_init(ctx) <= 0) goto badarg; + if (md != NULL && EVP_PKEY_CTX_set_signature_md(ctx, md) <= 0) goto badarg; + + if (argv[0] == atom_rsa) { + if (EVP_PKEY_CTX_set_rsa_padding(ctx, sig_opt.rsa_padding) <= 0) goto badarg; + if (sig_opt.rsa_padding == RSA_PKCS1_PSS_PADDING) { + if (sig_opt.rsa_mgf1_md != NULL) { +#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,1) + if (EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, sig_opt.rsa_mgf1_md) <= 0) goto badarg; +#else + EVP_PKEY_CTX_free(ctx); + EVP_PKEY_free(pkey); + return atom_notsup; +#endif + } + if (sig_opt.rsa_pss_saltlen > -2 + && EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, sig_opt.rsa_pss_saltlen) <= 0) + goto badarg; + } + } + + if (EVP_PKEY_sign(ctx, NULL, &siglen, tbs, tbslen) <= 0) goto badarg; + enif_alloc_binary(siglen, &sig_bin); + + if (md != NULL) { + ERL_VALGRIND_ASSERT_MEM_DEFINED(tbs, EVP_MD_size(md)); + } + i = EVP_PKEY_sign(ctx, sig_bin.data, &siglen, tbs, tbslen); + + EVP_PKEY_CTX_free(ctx); +#else +/*printf("Old interface\r\n"); + */ + if (argv[0] == atom_rsa) { + RSA *rsa = EVP_PKEY_get1_RSA(pkey); + enif_alloc_binary(RSA_size(rsa), &sig_bin); + len = EVP_MD_size(md); + ERL_VALGRIND_ASSERT_MEM_DEFINED(digest_bin.data, len); + i = RSA_sign(md->type, tbs, len, sig_bin.data, &siglen, rsa); + RSA_free(rsa); + } else if (argv[0] == atom_dss) { + DSA *dsa = EVP_PKEY_get1_DSA(pkey); + enif_alloc_binary(DSA_size(dsa), &sig_bin); + len = EVP_MD_size(md); + ERL_VALGRIND_ASSERT_MEM_DEFINED(digest_bin.data, len); + i = DSA_sign(md->type, tbs, len, sig_bin.data, &siglen, dsa); + DSA_free(dsa); + } else if (argv[0] == atom_ecdsa) { +#if defined(HAVE_EC) + EC_KEY *ec = EVP_PKEY_get1_EC_KEY(pkey); + enif_alloc_binary(ECDSA_size(ec), &sig_bin); + len = EVP_MD_size(md); + ERL_VALGRIND_ASSERT_MEM_DEFINED(digest_bin.data, len); + i = ECDSA_sign(md->type, tbs, len, sig_bin.data, &siglen, ec); + EC_KEY_free(ec); +#else + EVP_PKEY_free(pkey); + return atom_notsup; +#endif + } else { + goto badarg; + } +#endif + + EVP_PKEY_free(pkey); + if (i == 1) { + ERL_VALGRIND_MAKE_MEM_DEFINED(sig_bin.data, siglen); + if (siglen != sig_bin.size) { + enif_realloc_binary(&sig_bin, siglen); + ERL_VALGRIND_ASSERT_MEM_DEFINED(sig_bin.data, siglen); + } + return enif_make_binary(env, &sig_bin); + } else { + enif_release_binary(&sig_bin); + return atom_error; + } + + badarg: +#ifdef HAS_EVP_PKEY_CTX + EVP_PKEY_CTX_free(ctx); +#endif + EVP_PKEY_free(pkey); + return enif_make_badarg(env); +} + + +static int get_pkey_verify_key(ErlNifEnv *env, ERL_NIF_TERM algorithm, ERL_NIF_TERM key, + EVP_PKEY **pkey) +{ + if (algorithm == atom_rsa) { + RSA *rsa = RSA_new(); + + if (!get_rsa_public_key(env, key, rsa)) { + RSA_free(rsa); + return PKEY_BADARG; + } + + *pkey = EVP_PKEY_new(); + if (!EVP_PKEY_assign_RSA(*pkey, rsa)) { + EVP_PKEY_free(*pkey); + RSA_free(rsa); + return PKEY_BADARG; + } + } else if (algorithm == atom_ecdsa) { +#if defined(HAVE_EC) + EC_KEY *ec = NULL; + const ERL_NIF_TERM *tpl_terms; + int tpl_arity; + + if (enif_get_tuple(env, key, &tpl_arity, &tpl_terms) && tpl_arity == 2 + && enif_is_tuple(env, tpl_terms[0]) && enif_is_binary(env, tpl_terms[1]) + && get_ec_key(env, tpl_terms[0], atom_undefined, tpl_terms[1], &ec)) { + + *pkey = EVP_PKEY_new(); + if (!EVP_PKEY_assign_EC_KEY(*pkey, ec)) { + EVP_PKEY_free(*pkey); + EC_KEY_free(ec); + return PKEY_BADARG; + } + } else { + return PKEY_BADARG; + } +#else + return PKEY_NOTSUP; +#endif + } else if (algorithm == atom_dss) { + DSA *dsa = DSA_new(); + + if (!get_dss_public_key(env, key, dsa)) { + DSA_free(dsa); + return PKEY_BADARG; + } + + *pkey = EVP_PKEY_new(); + if (!EVP_PKEY_assign_DSA(*pkey, dsa)) { + EVP_PKEY_free(*pkey); + DSA_free(dsa); + return PKEY_BADARG; + } + } else { + return PKEY_BADARG; + } + + return PKEY_OK; +} + +static ERL_NIF_TERM pkey_verify_nif(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) +{/* (Algorithm, Type, Data|{digest,Digest}, Signature, Key, Options) */ + int i; + const EVP_MD *md = NULL; + unsigned char md_value[EVP_MAX_MD_SIZE]; + EVP_PKEY *pkey; +#ifdef HAS_EVP_PKEY_CTX + EVP_PKEY_CTX *ctx; +#else +#endif + PKeySignOptions sig_opt; + ErlNifBinary sig_bin; /* signature */ + unsigned char *tbs; /* data to be signed */ + size_t tbslen; + + if (!enif_inspect_binary(env, argv[3], &sig_bin)) { + return enif_make_badarg(env); + } + + i = get_pkey_sign_digest(env, argv[0], argv[1], argv[2], md_value, &md, &tbs, &tbslen); + if (i != PKEY_OK) { + if (i == PKEY_NOTSUP) + return atom_notsup; + else + return enif_make_badarg(env); + } + + i = get_pkey_sign_options(env, argv[0], argv[5], md, &sig_opt); + if (i != PKEY_OK) { + if (i == PKEY_NOTSUP) + return atom_notsup; + else + return enif_make_badarg(env); + } + + if (get_pkey_verify_key(env, argv[0], argv[4], &pkey) != PKEY_OK) { + return enif_make_badarg(env); + } + +#ifdef HAS_EVP_PKEY_CTX +/* printf("EVP interface\r\n"); + */ + ctx = EVP_PKEY_CTX_new(pkey, NULL); + if (!ctx) goto badarg; + if (EVP_PKEY_verify_init(ctx) <= 0) goto badarg; + if (md != NULL && EVP_PKEY_CTX_set_signature_md(ctx, md) <= 0) goto badarg; + + if (argv[0] == atom_rsa) { + if (EVP_PKEY_CTX_set_rsa_padding(ctx, sig_opt.rsa_padding) <= 0) goto badarg; + if (sig_opt.rsa_padding == RSA_PKCS1_PSS_PADDING) { + if (sig_opt.rsa_mgf1_md != NULL) { +#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,1) + if (EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, sig_opt.rsa_mgf1_md) <= 0) goto badarg; +#else + EVP_PKEY_CTX_free(ctx); + EVP_PKEY_free(pkey); + return atom_notsup; +#endif + } + if (sig_opt.rsa_pss_saltlen > -2 + && EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, sig_opt.rsa_pss_saltlen) <= 0) + goto badarg; + } + } + + if (md != NULL) { + ERL_VALGRIND_ASSERT_MEM_DEFINED(tbs, EVP_MD_size(md)); + } + i = EVP_PKEY_verify(ctx, sig_bin.data, sig_bin.size, tbs, tbslen); + + EVP_PKEY_CTX_free(ctx); +#else +/*printf("Old interface\r\n"); +*/ + if (argv[0] == atom_rsa) { + RSA *rsa = EVP_PKEY_get1_RSA(pkey); + i = RSA_verify(md->type, tbs, tbslen, sig_bin.data, sig_bin.size, rsa); + RSA_free(rsa); + } else if (argv[0] == atom_dss) { + DSA *dsa = EVP_PKEY_get1_DSA(pkey); + i = DSA_verify(0, tbs, tbslen, sig_bin.data, sig_bin.size, dsa); + DSA_free(dsa); + } else if (argv[0] == atom_ecdsa) { +#if defined(HAVE_EC) + EC_KEY *ec = EVP_PKEY_get1_EC_KEY(pkey); + i = ECDSA_verify(EVP_MD_type(md), tbs, tbslen, sig_bin.data, sig_bin.size, ec); + EC_KEY_free(ec); +#else + EVP_PKEY_free(pkey); + return atom_notsup; +#endif + } else { + goto badarg; + } +#endif + + EVP_PKEY_free(pkey); + if (i == 1) { + return atom_true; + } else { + return atom_false; + } + + badarg: +#ifdef HAS_EVP_PKEY_CTX + EVP_PKEY_CTX_free(ctx); +#endif + EVP_PKEY_free(pkey); + return enif_make_badarg(env); +} + + +/*================================================================*/ + static ERL_NIF_TERM rand_seed_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { ErlNifBinary seed_bin; diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml index ecc33aafc3..5b2c46a004 100644 --- a/lib/crypto/doc/src/crypto.xml +++ b/lib/crypto/doc/src/crypto.xml @@ -159,6 +159,17 @@ <code>digest_type() = md5 | sha | sha224 | sha256 | sha384 | sha512</code> + <code>rsa_digest_type() = md5 | ripemd160 | sha | sha224 | sha256 | sha384 | sha512</code> + + <code>dss_digest_type() = sha | sha224 | sha256 | sha384 | sha512</code> <p>Note that the actual supported + dss_digest_type depends on the underlying crypto library. In OpenSSL version >= 1.0.1 the listed digest are supported, while in 1.0.0 only sha, sha224 and sha256 are supported. In version 0.9.8 only sha is supported.</p> + + <code>ecdsa_digest_type() = sha | sha224 | sha256 | sha384 | sha512</code> + + <code>sign_options() = [{rsa_pad, rsa_sign_padding()} | {rsa_pss_saltlen, integer()}]</code> + + <code>rsa_sign_padding() = rsa_pkcs1_padding | rsa_pkcs1_pss_padding</code> + <code> hash_algorithms() = md5 | ripemd160 | sha | sha224 | sha256 | sha384 | sha512 </code> <p>md4 is also supported for hash_init/1 and hash/2. Note that both md4 and md5 are recommended only for compatibility with existing applications. </p> @@ -682,6 +693,7 @@ <func> <name>sign(Algorithm, DigestType, Msg, Key) -> binary()</name> + <name>sign(Algorithm, DigestType, Msg, Key, Options) -> binary()</name> <fsummary> Create digital signature.</fsummary> <type> <v>Algorithm = rsa | dss | ecdsa </v> @@ -689,8 +701,9 @@ <d>The msg is either the binary "cleartext" data to be signed or it is the hashed value of "cleartext" i.e. the digest (plaintext).</d> - <v>DigestType = digest_type()</v> + <v>DigestType = rsa_digest_type() | dss_digest_type() | ecdsa_digest_type()</v> <v>Key = rsa_private() | dss_private() | [ecdh_private(),ecdh_params()]</v> + <v>Options = sign_options()</v> </type> <desc> <p>Creates a digital signature.</p> @@ -871,15 +884,17 @@ _FloatValue = rand:uniform(). % [0.0; 1.0[</pre> <func> <name>verify(Algorithm, DigestType, Msg, Signature, Key) -> boolean()</name> + <name>verify(Algorithm, DigestType, Msg, Signature, Key, Options) -> boolean()</name> <fsummary>Verifies a digital signature.</fsummary> <type> <v> Algorithm = rsa | dss | ecdsa </v> <v>Msg = binary() | {digest,binary()}</v> <d>The msg is either the binary "cleartext" data or it is the hashed value of "cleartext" i.e. the digest (plaintext).</d> - <v>DigestType = digest_type()</v> + <v>DigestType = rsa_digest_type() | dss_digest_type() | ecdsa_digest_type()</v> <v>Signature = binary()</v> <v>Key = rsa_public() | dss_public() | [ecdh_public(),ecdh_params()]</v> + <v>Options = sign_options()</v> </type> <desc> <p>Verifies a digital signature</p> diff --git a/lib/crypto/src/crypto.erl b/lib/crypto/src/crypto.erl index 85206ce9e5..1df05462c9 100644 --- a/lib/crypto/src/crypto.erl +++ b/lib/crypto/src/crypto.erl @@ -25,7 +25,7 @@ -export([start/0, stop/0, info_lib/0, info_fips/0, supports/0, enable_fips_mode/1, version/0, bytes_to_integer/1]). -export([hash/2, hash_init/1, hash_update/2, hash_final/1]). --export([sign/4, verify/5]). +-export([sign/4, sign/5, verify/5, verify/6]). -export([generate_key/2, generate_key/3, compute_key/4]). -export([hmac/3, hmac/4, hmac_init/2, hmac_update/2, hmac_final/1, hmac_final_n/2]). -export([cmac/3, cmac/4]). @@ -45,6 +45,10 @@ -export([ec_curve/1, ec_curves/0]). -export([rand_seed/1]). +%% Private. For tests. +-export([packed_openssl_version/4]). + + -deprecated({rand_uniform, 2, next_major_release}). %% This should correspond to the similar macro in crypto.c @@ -389,36 +393,31 @@ mod_pow(Base, Exponent, Prime) -> <<0>> -> error; R -> R end. -verify(dss, none, Data, Signature, Key) when is_binary(Data) -> - verify(dss, sha, {digest, Data}, Signature, Key); -verify(Alg, Type, Data, Signature, Key) when is_binary(Data) -> - verify(Alg, Type, {digest, hash(Type, Data)}, Signature, Key); -verify(dss, Type, {digest, Digest}, Signature, Key) -> - dss_verify_nif(Type, Digest, Signature, map_ensure_int_as_bin(Key)); -verify(rsa, Type, {digest, Digest}, Signature, Key) -> - notsup_to_error( - rsa_verify_nif(Type, Digest, Signature, map_ensure_int_as_bin(Key))); -verify(ecdsa, Type, {digest, Digest}, Signature, [Key, Curve]) -> - notsup_to_error( - ecdsa_verify_nif(Type, Digest, Signature, nif_curve_params(Curve), ensure_int_as_bin(Key))). -sign(dss, none, Data, Key) when is_binary(Data) -> - sign(dss, sha, {digest, Data}, Key); -sign(Alg, Type, Data, Key) when is_binary(Data) -> - sign(Alg, Type, {digest, hash(Type, Data)}, Key); -sign(rsa, Type, {digest, Digest}, Key) -> - case rsa_sign_nif(Type, Digest, map_ensure_int_as_bin(Key)) of - error -> erlang:error(badkey, [rsa, Type, {digest, Digest}, Key]); - Sign -> Sign - end; -sign(dss, Type, {digest, Digest}, Key) -> - case dss_sign_nif(Type, Digest, map_ensure_int_as_bin(Key)) of - error -> erlang:error(badkey, [dss, Type, {digest, Digest}, Key]); - Sign -> Sign - end; -sign(ecdsa, Type, {digest, Digest}, [Key, Curve]) -> - case ecdsa_sign_nif(Type, Digest, nif_curve_params(Curve), ensure_int_as_bin(Key)) of - error -> erlang:error(badkey, [ecdsa, Type, {digest, Digest}, [Key, Curve]]); - Sign -> Sign + +verify(Algorithm, Type, Data, Signature, Key) -> + verify(Algorithm, Type, Data, Signature, Key, []). + +%% Backwards compatible +verify(Algorithm = dss, none, Digest, Signature, Key, Options) -> + verify(Algorithm, sha, {digest, Digest}, Signature, Key, Options); +verify(Algorithm, Type, Data, Signature, Key, Options) -> + case pkey_verify_nif(Algorithm, Type, Data, Signature, format_pkey(Algorithm, Key), Options) of + notsup -> erlang:error(notsup); + Boolean -> Boolean + end. + + +sign(Algorithm, Type, Data, Key) -> + sign(Algorithm, Type, Data, Key, []). + +%% Backwards compatible +sign(Algorithm = dss, none, Digest, Key, Options) -> + sign(Algorithm, sha, {digest, Digest}, Key, Options); +sign(Algorithm, Type, Data, Key, Options) -> + case pkey_sign_nif(Algorithm, Type, Data, format_pkey(Algorithm, Key), Options) of + error -> erlang:error(badkey, [Algorithm, Type, Data, Key, Options]); + notsup -> erlang:error(notsup); + Signature -> Signature end. -spec public_encrypt(rsa, binary(), [binary()], rsa_padding()) -> @@ -839,13 +838,9 @@ srp_value_B_nif(_Multiplier, _Verifier, _Generator, _Exponent, _Prime) -> ?nif_s %% Digital signatures -------------------------------------------------------------------- -rsa_sign_nif(_Type,_Digest,_Key) -> ?nif_stub. -dss_sign_nif(_Type,_Digest,_Key) -> ?nif_stub. -ecdsa_sign_nif(_Type, _Digest, _Curve, _Key) -> ?nif_stub. -dss_verify_nif(_Type, _Digest, _Signature, _Key) -> ?nif_stub. -rsa_verify_nif(_Type, _Digest, _Signature, _Key) -> ?nif_stub. -ecdsa_verify_nif(_Type, _Digest, _Signature, _Curve, _Key) -> ?nif_stub. +pkey_sign_nif(_Algorithm, _Type, _Digest, _Key, _Options) -> ?nif_stub. +pkey_verify_nif(_Algorithm, _Type, _Data, _Signature, _Key, _Options) -> ?nif_stub. %% Public Keys -------------------------------------------------------------------- %% RSA Rivest-Shamir-Adleman functions @@ -962,6 +957,15 @@ ensure_int_as_bin(Int) when is_integer(Int) -> ensure_int_as_bin(Bin) -> Bin. +format_pkey(rsa, Key) -> + map_ensure_int_as_bin(Key); +format_pkey(ecdsa, [Key, Curve]) -> + {nif_curve_params(Curve), ensure_int_as_bin(Key)}; +format_pkey(dss, Key) -> + map_ensure_int_as_bin(Key); +format_pkey(_, Key) -> + Key. + %%-------------------------------------------------------------------- %% -type rsa_padding() :: 'rsa_pkcs1_padding' | 'rsa_pkcs1_oaep_padding' | 'rsa_no_padding'. @@ -1004,3 +1008,14 @@ erlint(<<MPIntSize:32/integer,MPIntValue/binary>>) -> %% mod_exp_nif(_Base,_Exp,_Mod,_bin_hdr) -> ?nif_stub. + +%%%---------------------------------------------------------------- +%% 9470495 == V(0,9,8,zh). +%% 268435615 == V(1,0,0,i). +%% 268439663 == V(1,0,1,f). + +packed_openssl_version(MAJ, MIN, FIX, P0) -> + %% crypto.c + P1 = atom_to_list(P0), + P = lists:sum([C-$a||C<-P1]), + ((((((((MAJ bsl 8) bor MIN) bsl 8 ) bor FIX) bsl 8) bor (P+1)) bsl 4) bor 16#f). diff --git a/lib/crypto/test/crypto_SUITE.erl b/lib/crypto/test/crypto_SUITE.erl index dbfe295900..88f13d766c 100644 --- a/lib/crypto/test/crypto_SUITE.erl +++ b/lib/crypto/test/crypto_SUITE.erl @@ -751,10 +751,44 @@ do_sign_verify({Type, Hash, Public, Private, Msg}) -> Signature = crypto:sign(Type, Hash, Msg, Private), case crypto:verify(Type, Hash, Msg, Signature, Public) of true -> + ct:log("OK crypto:sign(~p, ~p, ..., ..., ...)", [Type,Hash]), negative_verify(Type, Hash, Msg, <<10,20>>, Public); false -> + ct:log("ERROR crypto:sign(~p, ~p, ..., ..., ...)", [Type,Hash]), ct:fail({{crypto, verify, [Type, Hash, Msg, Signature, Public]}}) - end. + end; +do_sign_verify({Type, Hash, Public, Private, Msg, Options}) -> + LibVer = + case crypto:info_lib() of + [{<<"OpenSSL">>,Ver,<<"OpenSSL",_/binary>>}] -> Ver; + _ -> infinity + end, + Pad = proplists:get_value(rsa_padding, Options), + NotSupLow = lists:member(Pad, [rsa_pkcs1_pss_padding]), + try + crypto:sign(Type, Hash, Msg, Private, Options) + of + Signature -> + case crypto:verify(Type, Hash, Msg, Signature, Public, Options) of + true -> + ct:log("OK crypto:sign(~p, ~p, ..., ..., ..., ~p)", [Type,Hash,Options]), + negative_verify(Type, Hash, Msg, <<10,20>>, Public, Options); + false -> + ct:log("ERROR crypto:sign(~p, ~p, ..., ..., ..., ~p)", [Type,Hash,Options]), + ct:fail({{crypto, verify, [Type, Hash, Msg, Signature, Public, Options]}}) + end + catch + error:notsup when NotSupLow == true, + is_integer(LibVer), + LibVer < 16#10001000 -> + %% Thoose opts where introduced in 1.0.1 + ct:log("notsup but OK in old cryptolib crypto:sign(~p, ~p, ..., ..., ..., ~p)", + [Type,Hash,Options]), + true; + C:E -> + ct:log("~p:~p crypto:sign(~p, ~p, ..., ..., ..., ~p)", [C,E,Type,Hash,Options]), + ct:fail({{crypto, sign_verify, [LibVer, Type, Hash, Msg, Public, Options]}}) + end. negative_verify(Type, Hash, Msg, Signature, Public) -> case crypto:verify(Type, Hash, Msg, Signature, Public) of @@ -764,6 +798,14 @@ negative_verify(Type, Hash, Msg, Signature, Public) -> ok end. +negative_verify(Type, Hash, Msg, Signature, Public, Options) -> + case crypto:verify(Type, Hash, Msg, Signature, Public, Options) of + true -> + ct:fail({{crypto, verify, [Type, Hash, Msg, Signature, Public, Options]}, should_fail}); + false -> + ok + end. + do_public_encrypt({Type, Public, Private, Msg, Padding}) -> PublicEcn = (catch crypto:public_encrypt(Type, Msg, Public, Padding)), case crypto:private_decrypt(Type, PublicEcn, Private, Padding) of @@ -1178,13 +1220,29 @@ group_config(dss = Type, Config) -> Msg = dss_plain(), Public = dss_params() ++ [dss_public()], Private = dss_params() ++ [dss_private()], - SignVerify = [{Type, sha, Public, Private, Msg}], + SupportedHashs = proplists:get_value(hashs, crypto:supports(), []), + DssHashs = + case crypto:info_lib() of + [{<<"OpenSSL">>,LibVer,_}] when is_integer(LibVer), LibVer > 16#10001000 -> + [sha, sha224, sha256, sha384, sha512]; + [{<<"OpenSSL">>,LibVer,_}] when is_integer(LibVer), LibVer > 16#10000000 -> + [sha, sha224, sha256]; + _Else -> + [sha] + end, + SignVerify = [{Type, Hash, Public, Private, Msg} + || Hash <- DssHashs, + lists:member(Hash, SupportedHashs)], [{sign_verify, SignVerify} | Config]; group_config(ecdsa = Type, Config) -> {Private, Public} = ec_key_named(), Msg = ec_msg(), - SignVerify = [{Type, sha, Public, Private, Msg}], + SupportedHashs = proplists:get_value(hashs, crypto:supports(), []), + DssHashs = [sha, sha224, sha256, sha384, sha512], + SignVerify = [{Type, Hash, Public, Private, Msg} + || Hash <- DssHashs, + lists:member(Hash, SupportedHashs)], [{sign_verify, SignVerify} | Config]; group_config(srp, Config) -> GenerateCompute = [srp3(), srp6(), srp6a(), srp6a_smaller_prime()], @@ -1268,18 +1326,38 @@ group_config(_, Config) -> Config. sign_verify_tests(Type, Msg, Public, Private, PublicS, PrivateS) -> - sign_verify_tests(Type, [md5, sha, sha224, sha256], Msg, Public, Private) ++ - sign_verify_tests(Type, [sha384, sha512], Msg, PublicS, PrivateS). - -sign_verify_tests(Type, Hashs, Msg, Public, Private) -> - lists:foldl(fun(Hash, Acc) -> - case is_supported(Hash) of - true -> - [{Type, Hash, Public, Private, Msg}|Acc]; - false -> - Acc - end - end, [], Hashs). + gen_sign_verify_tests(Type, [md5, ripemd160, sha, sha224, sha256], Msg, Public, Private, + [undefined, + [{rsa_padding, rsa_pkcs1_pss_padding}], + [{rsa_padding, rsa_pkcs1_pss_padding}, {rsa_pss_saltlen, 0}], + [{rsa_padding, rsa_x931_padding}] + ]) ++ + gen_sign_verify_tests(Type, [sha384, sha512], Msg, PublicS, PrivateS, + [undefined, + [{rsa_padding, rsa_pkcs1_pss_padding}], + [{rsa_padding, rsa_pkcs1_pss_padding}, {rsa_pss_saltlen, 0}], + [{rsa_padding, rsa_x931_padding}] + ]). + +gen_sign_verify_tests(Type, Hashs, Msg, Public, Private, Opts) -> + lists:foldr(fun(Hash, Acc0) -> + case is_supported(Hash) of + true -> + lists:foldr(fun + (undefined, Acc1) -> + [{Type, Hash, Public, Private, Msg} | Acc1]; + ([{rsa_padding, rsa_x931_padding} | _], Acc1) + when Hash =:= md5 + orelse Hash =:= ripemd160 + orelse Hash =:= sha224 -> + Acc1; + (Opt, Acc1) -> + [{Type, Hash, Public, Private, Msg, Opt} | Acc1] + end, Acc0, Opts); + false -> + Acc0 + end + end, [], Hashs). rfc_1321_msgs() -> [<<"">>, @@ -2300,7 +2378,7 @@ fmt_words(Words) -> log_rsp_size(Label, Term) -> S = erts_debug:size(Term), - ct:pal("~s: ~w test(s), Memory used: ~s", + ct:log("~s: ~w test(s), Memory used: ~s", [Label, length(Term), fmt_words(S)]). read_rsp(Config, Type, Files) -> diff --git a/lib/public_key/doc/src/public_key.xml b/lib/public_key/doc/src/public_key.xml index 04966ffb9c..35f9e86cad 100644 --- a/lib/public_key/doc/src/public_key.xml +++ b/lib/public_key/doc/src/public_key.xml @@ -129,18 +129,31 @@ <p><c>| 'rsa_no_padding'</c></p> </item> + <tag><c>public_sign_options() =</c></tag> + <item><p><c>[{rsa_pad, rsa_sign_padding()} | {rsa_pss_saltlen, integer()}]</c></p></item> + + <tag><c>rsa_sign_padding() =</c></tag> + <item> + <p><c>'rsa_pkcs1_padding'</c></p> + <p><c>| 'rsa_pkcs1_pss_padding'</c></p> + </item> + <tag><c>digest_type() = </c></tag> <item><p>Union of <c>rsa_digest_type()</c>, <c>dss_digest_type()</c>, and <c>ecdsa_digest_type()</c>.</p></item> <tag><c>rsa_digest_type() = </c></tag> - <item><p><c>'md5' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item> + <item><p><c>'md5' | 'ripemd160' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item> <tag><c>dss_digest_type() = </c></tag> - <item><p><c>'sha'</c></p></item> + <item><p><c>'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p> + <p>Note that the actual supported dss_digest_type depends on the underlying crypto library. + In OpenSSL version >= 1.0.1 the listed digest are supported, while in 1.0.0 only + sha, sha224 and sha256 are supported. In version 0.9.8 only sha is supported.</p> + </item> <tag><c>ecdsa_digest_type() = </c></tag> - <item><p><c>'sha'| 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item> + <item><p><c>'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item> <tag><c>crl_reason() = </c></tag> <item> @@ -795,6 +808,7 @@ fun(#'DistributionPoint'{}, #'CertificateList'{}, <func> <name>sign(Msg, DigestType, Key) -> binary()</name> + <name>sign(Msg, DigestType, Key, Options) -> binary()</name> <fsummary>Creates a digital signature.</fsummary> <type> <v>Msg = binary() | {digest,binary()}</v> @@ -803,6 +817,7 @@ fun(#'DistributionPoint'{}, #'CertificateList'{}, digest.</d> <v>DigestType = rsa_digest_type() | dss_digest_type() | ecdsa_digest_type()</v> <v>Key = rsa_private_key() | dsa_private_key() | ec_private_key()</v> + <v>Options = public_sign_options()</v> </type> <desc> <p>Creates a digital signature.</p> @@ -895,6 +910,7 @@ fun(#'DistributionPoint'{}, #'CertificateList'{}, <func> <name>verify(Msg, DigestType, Signature, Key) -> boolean()</name> + <name>verify(Msg, DigestType, Signature, Key, Options) -> boolean()</name> <fsummary>Verifies a digital signature.</fsummary> <type> <v>Msg = binary() | {digest,binary()}</v> @@ -903,6 +919,7 @@ fun(#'DistributionPoint'{}, #'CertificateList'{}, <v>DigestType = rsa_digest_type() | dss_digest_type() | ecdsa_digest_type()</v> <v>Signature = binary()</v> <v>Key = rsa_public_key() | dsa_public_key() | ec_public_key()</v> + <v>Options = public_sign_options()</v> </type> <desc> <p>Verifies a digital signature.</p> diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl index 6651e9510e..834a75983e 100644 --- a/lib/public_key/src/public_key.erl +++ b/lib/public_key/src/public_key.erl @@ -37,7 +37,7 @@ decrypt_public/2, decrypt_public/3, dh_gex_group/4, dh_gex_group_sizes/0, - sign/3, verify/4, + sign/3, sign/4, verify/4, verify/5, generate_key/1, compute_key/2, compute_key/3, pkix_sign/2, pkix_verify/2, @@ -90,10 +90,12 @@ auth_keys. -type rsa_padding() :: 'rsa_pkcs1_padding' | 'rsa_pkcs1_oaep_padding' | 'rsa_no_padding'. +-type rsa_sign_padding() :: 'rsa_pkcs1_padding' | 'rsa_pkcs1_pss_padding'. -type public_crypt_options() :: [{rsa_pad, rsa_padding()}]. --type rsa_digest_type() :: 'md5' | 'sha'| 'sha224' | 'sha256' | 'sha384' | 'sha512'. --type dss_digest_type() :: 'none' | 'sha'. %% None is for backwards compatibility --type ecdsa_digest_type() :: 'sha'| 'sha224' | 'sha256' | 'sha384' | 'sha512'. +-type rsa_digest_type() :: 'md5' | 'ripemd160' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'. +-type dss_digest_type() :: 'none' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'. %% None is for backwards compatibility +-type ecdsa_digest_type() :: 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'. +-type public_sign_options() :: [{rsa_pad, rsa_sign_padding()} | {rsa_pss_saltlen, integer()}]. -type digest_type() :: rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(). -type crl_reason() :: unspecified | keyCompromise | cACompromise | affiliationChanged | superseded | cessationOfOperation | certificateHold | privilegeWithdrawn | aACompromise. @@ -498,35 +500,67 @@ pkix_sign_types(?'ecdsa-with-SHA512') -> {sha512, ecdsa}. %%-------------------------------------------------------------------- --spec sign(binary() | {digest, binary()}, rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(), - rsa_private_key() | - dsa_private_key() | ec_private_key()) -> Signature :: binary(). -%% Description: Create digital signature. -%%-------------------------------------------------------------------- -sign(DigestOrPlainText, DigestType, Key = #'RSAPrivateKey'{}) -> - crypto:sign(rsa, DigestType, DigestOrPlainText, format_rsa_private_key(Key)); +-spec sign(binary() | {digest, binary()}, + rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(), + rsa_private_key() | dsa_private_key() | ec_private_key() + ) -> Signature :: binary(). -sign(DigestOrPlainText, sha, #'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) -> - crypto:sign(dss, sha, DigestOrPlainText, [P, Q, G, X]); +-spec sign(binary() | {digest, binary()}, + rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(), + rsa_private_key() | dsa_private_key() | ec_private_key(), + public_sign_options() + ) -> Signature :: binary(). -sign(DigestOrPlainText, DigestType, #'ECPrivateKey'{privateKey = PrivKey, - parameters = Param}) -> - ECCurve = ec_curve_spec(Param), - crypto:sign(ecdsa, DigestType, DigestOrPlainText, [PrivKey, ECCurve]); +%% Description: Create digital signature. +%%-------------------------------------------------------------------- +sign(DigestOrPlainText, DigestType, Key) -> + sign(DigestOrPlainText, DigestType, Key, []). %% Backwards compatible -sign(Digest, none, #'DSAPrivateKey'{} = Key) -> - sign({digest,Digest}, sha, Key). +sign(Digest, none, Key = #'DSAPrivateKey'{}, Options) when is_binary(Digest) -> + sign({digest, Digest}, sha, Key, Options); +sign(DigestOrPlainText, DigestType, Key, Options) -> + case format_sign_key(Key) of + badarg -> + erlang:error(badarg, [DigestOrPlainText, DigestType, Key, Options]); + {Algorithm, CryptoKey} -> + crypto:sign(Algorithm, DigestType, DigestOrPlainText, CryptoKey, Options) + end. %%-------------------------------------------------------------------- --spec verify(binary() | {digest, binary()}, rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(), - Signature :: binary(), rsa_public_key() - | dsa_public_key() | ec_public_key()) -> boolean(). +-spec verify(binary() | {digest, binary()}, + rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(), + Signature :: binary(), + rsa_public_key() | dsa_public_key() | ec_public_key() + | rsa_private_key() | dsa_private_key() | ec_private_key() + ) -> boolean(). + +-spec verify(binary() | {digest, binary()}, + rsa_digest_type() | dss_digest_type() | ecdsa_digest_type(), + Signature :: binary(), + rsa_public_key() | dsa_public_key() | ec_public_key() + | rsa_private_key() | dsa_private_key() | ec_private_key(), + public_sign_options() + ) -> boolean(). + %% Description: Verifies a digital signature. %%-------------------------------------------------------------------- -verify(DigestOrPlainText, DigestType, Signature, Key) when is_binary(Signature) -> - do_verify(DigestOrPlainText, DigestType, Signature, Key); -verify(_,_,_,_) -> +verify(DigestOrPlainText, DigestType, Signature, Key) -> + verify(DigestOrPlainText, DigestType, Signature, Key, []). + +%% Backwards compatible +verify(Digest, none, Signature, Key = {_, #'Dss-Parms'{}}, Options) when is_binary(Digest) -> + verify({digest, Digest}, sha, Signature, Key, Options); +verify(Digest, none, Signature, Key = #'DSAPrivateKey'{}, Options) when is_binary(Digest) -> + verify({digest, Digest}, sha, Signature, Key, Options); +verify(DigestOrPlainText, DigestType, Signature, Key, Options) when is_binary(Signature) -> + case format_verify_key(Key) of + badarg -> + erlang:error(badarg, [DigestOrPlainText, DigestType, Signature, Key, Options]); + {Algorithm, CryptoKey} -> + crypto:verify(Algorithm, DigestType, DigestOrPlainText, Signature, CryptoKey, Options) + end; +verify(_,_,_,_,_) -> %% If Signature is a bitstring and not a binary we know already at this %% point that the signature is invalid. false. @@ -993,22 +1027,32 @@ short_name_hash({rdnSequence, _Attributes} = Name) -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- -do_verify(DigestOrPlainText, DigestType, Signature, - #'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) -> - crypto:verify(rsa, DigestType, DigestOrPlainText, Signature, - [Exp, Mod]); - -do_verify(DigestOrPlaintext, DigestType, Signature, {#'ECPoint'{point = Point}, Param}) -> - ECCurve = ec_curve_spec(Param), - crypto:verify(ecdsa, DigestType, DigestOrPlaintext, Signature, [Point, ECCurve]); - -%% Backwards compatibility -do_verify(Digest, none, Signature, {_, #'Dss-Parms'{}} = Key ) -> - verify({digest,Digest}, sha, Signature, Key); - -do_verify(DigestOrPlainText, sha = DigestType, Signature, {Key, #'Dss-Parms'{p = P, q = Q, g = G}}) - when is_integer(Key), is_binary(Signature) -> - crypto:verify(dss, DigestType, DigestOrPlainText, Signature, [P, Q, G, Key]). +format_sign_key(Key = #'RSAPrivateKey'{}) -> + {rsa, format_rsa_private_key(Key)}; +format_sign_key(#'DSAPrivateKey'{p = P, q = Q, g = G, x = X}) -> + {dss, [P, Q, G, X]}; +format_sign_key(#'ECPrivateKey'{privateKey = PrivKey, parameters = Param}) -> + {ecdsa, [PrivKey, ec_curve_spec(Param)]}; +format_sign_key(_) -> + badarg. + +format_verify_key(#'RSAPublicKey'{modulus = Mod, publicExponent = Exp}) -> + {rsa, [Exp, Mod]}; +format_verify_key({#'ECPoint'{point = Point}, Param}) -> + {ecdsa, [Point, ec_curve_spec(Param)]}; +format_verify_key({Key, #'Dss-Parms'{p = P, q = Q, g = G}}) -> + {dss, [P, Q, G, Key]}; +%% Convert private keys to public keys +format_verify_key(#'RSAPrivateKey'{modulus = Mod, publicExponent = Exp}) -> + format_verify_key(#'RSAPublicKey'{modulus = Mod, publicExponent = Exp}); +format_verify_key(#'ECPrivateKey'{parameters = Param, publicKey = {_, Point}}) -> + format_verify_key({#'ECPoint'{point = Point}, Param}); +format_verify_key(#'ECPrivateKey'{parameters = Param, publicKey = Point}) -> + format_verify_key({#'ECPoint'{point = Point}, Param}); +format_verify_key(#'DSAPrivateKey'{y=Y, p=P, q=Q, g=G}) -> + format_verify_key({Y, #'Dss-Parms'{p=P, q=Q, g=G}}); +format_verify_key(_) -> + badarg. do_pem_entry_encode(Asn1Type, Entity, CipherInfo, Password) -> Der = der_encode(Asn1Type, Entity), |