diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/crypto/c_src/crypto.c | 625 | ||||
| -rw-r--r-- | lib/crypto/src/crypto.erl | 45 |
2 files changed, 416 insertions, 254 deletions
diff --git a/lib/crypto/c_src/crypto.c b/lib/crypto/c_src/crypto.c index e0029d1d9a..028eebd7e6 100644 --- a/lib/crypto/c_src/crypto.c +++ b/lib/crypto/c_src/crypto.c @@ -438,8 +438,7 @@ static ERL_NIF_TERM rsa_verify_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM 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 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[]); @@ -452,7 +451,6 @@ 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[]); @@ -511,8 +509,7 @@ static ErlNifFunc nif_funcs[] = { {"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}, {"rsa_public_crypt", 4, rsa_public_crypt}, {"rsa_private_crypt", 4, rsa_private_crypt}, {"rsa_generate_key_nif", 2, rsa_generate_key_nif}, @@ -525,7 +522,6 @@ 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}, @@ -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); @@ -2633,82 +2660,6 @@ static int get_rsa_public_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, 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); - } - - rsa = RSA_new(); - if (!get_rsa_private_key(env, argv[2], rsa)) { - RSA_free(rsa); - return enif_make_badarg(env); - } - - -#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; - } -} - 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; @@ -2829,83 +2780,6 @@ static int get_dss_public_key(ErlNifEnv* env, ERL_NIF_TERM key, DSA *dsa) 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; -#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) - EVP_PKEY *pkey; - EVP_PKEY_CTX *ctx; - size_t dsa_s_len; -#else - unsigned dsa_s_len, len; -#endif - DSA *dsa; - int i; - struct digest_type_t *digp; - const EVP_MD *md; - - if (argv[0] != atom_sha) { /* dsa uses sha1 */ - return enif_make_badarg(env); - } - - 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); - } - - dsa = DSA_new(); - if (!get_dss_private_key(env, argv[2], dsa)) { - DSA_free(dsa); - return enif_make_badarg(env); - } - -#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) - pkey = EVP_PKEY_new(); - EVP_PKEY_set1_DSA(pkey, dsa); - dsa_s_len=(size_t)EVP_PKEY_size(pkey); - enif_alloc_binary(dsa_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, &dsa_s_len, - digest_bin.data, digest_bin.size); - ASSERT(i<=0 || dsa_s_len <= ret_bin.size); - EVP_PKEY_CTX_free(ctx); - EVP_PKEY_free(pkey); -#else - enif_alloc_binary(DSA_size(dsa), &ret_bin); - len = EVP_MD_size(md); - - i = DSA_sign(md->type, digest_bin.data, len, - ret_bin.data, &dsa_s_len, dsa); -#endif - - 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; - } -} - 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; @@ -3916,83 +3790,6 @@ 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; -#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) - EVP_PKEY *pkey; - EVP_PKEY_CTX *ctx; - size_t ecdsa_s_len; -#else - unsigned ecdsa_s_len, len; -#endif - EC_KEY *ec = NULL; - 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)) - goto badarg; - - if (!get_ec_key(env, argv[2], argv[3], atom_undefined, &ec)) - goto badarg; - -#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) - pkey = EVP_PKEY_new(); - EVP_PKEY_set1_EC_KEY(pkey, ec); - ecdsa_s_len=(size_t)EVP_PKEY_size(pkey); - enif_alloc_binary(ecdsa_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, &ecdsa_s_len, - digest_bin.data, digest_bin.size); - ASSERT(i<=0 || ecdsa_s_len <= ret_bin.size); - EVP_PKEY_CTX_free(ctx); - EVP_PKEY_free(pkey); -#else - enif_alloc_binary(ECDSA_size(ec), &ret_bin); - len = EVP_MD_size(md); - - i = ECDSA_sign(EVP_MD_type(md), digest_bin.data, len, - ret_bin.data, &ecdsa_s_len, ec); -#endif - - EC_KEY_free(ec); - if (i) { - if (ecdsa_s_len != ret_bin.size) { - enif_realloc_binary(&ret_bin, ecdsa_s_len); - } - return enif_make_binary(env, &ret_bin); - } - else { - enif_release_binary(&ret_bin); - return atom_error; - } - -badarg: - if (ec) - EC_KEY_free(ec); - 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) @@ -4109,6 +3906,362 @@ 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) { */ + /* opt->rsa_padding = RSA_PKCS1_PSS_PADDING; */ + /* if (opt->rsa_mgf1_md == NULL) { */ + /* opt->rsa_mgf1_md = md; */ + /* } */ + } 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; +#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) + 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); + } + +#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) +/* 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 + && EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, sig_opt.rsa_mgf1_md) <= 0) goto badarg; + 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); + + } 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); + + } 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); +#else + 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: +#if OPENSSL_VERSION_NUMBER >= PACKED_OPENSSL_VERSION_PLAIN(1,0,0) + 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/src/crypto.erl b/lib/crypto/src/crypto.erl index 85206ce9e5..fb34d54ab3 100644 --- a/lib/crypto/src/crypto.erl +++ b/lib/crypto/src/crypto.erl @@ -22,6 +22,11 @@ -module(crypto). +-export([rsa_sign_nif/3, + dss_sign_nif/3, + ecdsa_sign_nif/4]). + + -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]). @@ -401,24 +406,18 @@ verify(rsa, Type, {digest, Digest}, Signature, 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 + +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()) -> @@ -839,6 +838,7 @@ srp_value_B_nif(_Multiplier, _Verifier, _Generator, _Exponent, _Prime) -> ?nif_s %% Digital signatures -------------------------------------------------------------------- +pkey_sign_nif(_Algorithm, _Type, _Digest, _Key, _Options) -> ?nif_stub. 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. @@ -962,6 +962,15 @@ 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'. |