static isc_result_t opensslgost_generate(dst_key_t *key, int unused, void (*callback)(int)) { EVP_PKEY_CTX *ctx; union { void *dptr; void (*fptr)(int); } u; EVP_PKEY *pkey = NULL; isc_result_t ret; UNUSED(unused); ctx = EVP_PKEY_CTX_new_id(NID_id_GostR3410_2001, NULL); if (ctx == NULL) DST_RET(dst__openssl_toresult2("EVP_PKEY_CTX_new_id", DST_R_OPENSSLFAILURE)); if (callback != NULL) { u.fptr = callback; EVP_PKEY_CTX_set_app_data(ctx, u.dptr); EVP_PKEY_CTX_set_cb(ctx, &progress_cb); } if (EVP_PKEY_keygen_init(ctx) <= 0) DST_RET(dst__openssl_toresult2("EVP_PKEY_keygen_init", DST_R_OPENSSLFAILURE)); if (EVP_PKEY_CTX_ctrl_str(ctx, "paramset", "A") <= 0) DST_RET(dst__openssl_toresult2("EVP_PKEY_CTX_ctrl_str", DST_R_OPENSSLFAILURE)); if (EVP_PKEY_keygen(ctx, &pkey) <= 0) DST_RET(dst__openssl_toresult2("EVP_PKEY_keygen", DST_R_OPENSSLFAILURE)); key->keydata.pkey = pkey; EVP_PKEY_CTX_free(ctx); return (ISC_R_SUCCESS); err: if (pkey != NULL) EVP_PKEY_free(pkey); if (ctx != NULL) EVP_PKEY_CTX_free(ctx); return (ret); }
static CK_RV gostr3410_verify_data(const unsigned char *pubkey, int pubkey_len, const unsigned char *params, int params_len, unsigned char *data, int data_len, unsigned char *signat, int signat_len) { EVP_PKEY *pkey; EVP_PKEY_CTX *pkey_ctx; EC_POINT *P; BIGNUM *X, *Y; ASN1_OCTET_STRING *octet; const EC_GROUP *group = NULL; char paramset[2] = "A"; int r = -1, ret_vrf = 0; pkey = EVP_PKEY_new(); if (!pkey) return CKR_HOST_MEMORY; r = EVP_PKEY_set_type(pkey, NID_id_GostR3410_2001); if (r == 1) { pkey_ctx = EVP_PKEY_CTX_new(pkey, NULL); if (!pkey_ctx) { EVP_PKEY_free(pkey); return CKR_HOST_MEMORY; } /* FIXME: fully check params[] */ if (params_len > 0 && params[params_len - 1] >= 1 && params[params_len - 1] <= 3) { paramset[0] += params[params_len - 1] - 1; r = EVP_PKEY_CTX_ctrl_str(pkey_ctx, "paramset", paramset); } else r = -1; if (r == 1) r = EVP_PKEY_paramgen_init(pkey_ctx); if (r == 1) r = EVP_PKEY_paramgen(pkey_ctx, &pkey); if (r == 1 && EVP_PKEY_get0(pkey) != NULL) group = EC_KEY_get0_group(EVP_PKEY_get0(pkey)); r = -1; if (group) octet = d2i_ASN1_OCTET_STRING(NULL, &pubkey, (long)pubkey_len); if (group && octet) { reverse(octet->data, octet->length); Y = BN_bin2bn(octet->data, octet->length / 2, NULL); X = BN_bin2bn((const unsigned char*)octet->data + octet->length / 2, octet->length / 2, NULL); ASN1_OCTET_STRING_free(octet); P = EC_POINT_new(group); if (P && X && Y) r = EC_POINT_set_affine_coordinates_GFp(group, P, X, Y, NULL); BN_free(X); BN_free(Y); if (r == 1 && EVP_PKEY_get0(pkey) && P) r = EC_KEY_set_public_key(EVP_PKEY_get0(pkey), P); EC_POINT_free(P); } if (r == 1) { r = EVP_PKEY_verify_init(pkey_ctx); reverse(data, data_len); if (r == 1) ret_vrf = EVP_PKEY_verify(pkey_ctx, signat, signat_len, data, data_len); } } EVP_PKEY_CTX_free(pkey_ctx); EVP_PKEY_free(pkey); if (r != 1) return CKR_GENERAL_ERROR; return ret_vrf == 1 ? CKR_OK : CKR_SIGNATURE_INVALID; }
// Key factory bool OSSLGOST::generateKeyPair(AsymmetricKeyPair** ppKeyPair, AsymmetricParameters* parameters, RNG* /*rng = NULL */) { // Check parameters if ((ppKeyPair == NULL) || (parameters == NULL)) { return false; } if (!parameters->areOfType(ECParameters::type)) { ERROR_MSG("Invalid parameters supplied for GOST key generation"); return false; } ECParameters* params = (ECParameters*) parameters; ByteString paramA = "06072a850302022301"; if (params->getEC() != paramA) { ERROR_MSG("unsupported parameters"); return false; } // Generate the key-pair EVP_PKEY_CTX* ctx = NULL; EVP_PKEY* pkey = NULL; OSSLGOSTKeyPair* kp; ctx = EVP_PKEY_CTX_new_id(NID_id_GostR3410_2001, NULL); if (ctx == NULL) { ERROR_MSG("EVP_PKEY_CTX_new_id failed"); goto err; } if (EVP_PKEY_keygen_init(ctx) <= 0) { ERROR_MSG("EVP_PKEY_keygen_init failed"); goto err; } if (EVP_PKEY_CTX_ctrl_str(ctx, "paramset", "A") <= 0) { ERROR_MSG("EVP_PKEY_CTX_ctrl_str failed"); goto err; } if (EVP_PKEY_keygen(ctx, &pkey) <= 0) { ERROR_MSG("EVP_PKEY_keygen failed"); goto err; } EVP_PKEY_CTX_free(ctx); ctx = NULL; // Create an asymmetric key-pair object to return kp = new OSSLGOSTKeyPair(); ((OSSLGOSTPublicKey*) kp->getPublicKey())->setFromOSSL(pkey); ((OSSLGOSTPrivateKey*) kp->getPrivateKey())->setFromOSSL(pkey); *ppKeyPair = kp; // Release the key EVP_PKEY_free(pkey); return true; err: if (ctx != NULL) EVP_PKEY_CTX_free(ctx); if (pkey != NULL) EVP_PKEY_free(pkey); return false; }
int pkeyutl_main(int argc, char **argv) { BIO *in = NULL, *out = NULL; ENGINE *e = NULL; EVP_PKEY_CTX *ctx = NULL; EVP_PKEY *pkey = NULL; char *infile = NULL, *outfile = NULL, *sigfile = NULL, *passinarg = NULL; char hexdump = 0, asn1parse = 0, rev = 0, *prog; unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL; OPTION_CHOICE o; int buf_inlen = 0, siglen = -1, keyform = FORMAT_PEM, peerform = FORMAT_PEM; int keysize = -1, pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY; int engine_impl = 0; int ret = 1, rv = -1; size_t buf_outlen; const char *inkey = NULL; const char *peerkey = NULL; const char *kdfalg = NULL; int kdflen = 0; STACK_OF(OPENSSL_STRING) *pkeyopts = NULL; STACK_OF(OPENSSL_STRING) *pkeyopts_passin = NULL; int rawin = 0; const EVP_MD *md = NULL; prog = opt_init(argc, argv, pkeyutl_options); while ((o = opt_next()) != OPT_EOF) { switch (o) { case OPT_EOF: case OPT_ERR: opthelp: BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); goto end; case OPT_HELP: opt_help(pkeyutl_options); ret = 0; goto end; case OPT_IN: infile = opt_arg(); break; case OPT_OUT: outfile = opt_arg(); break; case OPT_SIGFILE: sigfile = opt_arg(); break; case OPT_ENGINE_IMPL: engine_impl = 1; break; case OPT_INKEY: inkey = opt_arg(); break; case OPT_PEERKEY: peerkey = opt_arg(); break; case OPT_PASSIN: passinarg = opt_arg(); break; case OPT_PEERFORM: if (!opt_format(opt_arg(), OPT_FMT_PDE, &peerform)) goto opthelp; break; case OPT_KEYFORM: if (!opt_format(opt_arg(), OPT_FMT_PDE, &keyform)) goto opthelp; break; case OPT_R_CASES: if (!opt_rand(o)) goto end; break; case OPT_ENGINE: e = setup_engine(opt_arg(), 0); break; case OPT_PUBIN: key_type = KEY_PUBKEY; break; case OPT_CERTIN: key_type = KEY_CERT; break; case OPT_ASN1PARSE: asn1parse = 1; break; case OPT_HEXDUMP: hexdump = 1; break; case OPT_SIGN: pkey_op = EVP_PKEY_OP_SIGN; break; case OPT_VERIFY: pkey_op = EVP_PKEY_OP_VERIFY; break; case OPT_VERIFYRECOVER: pkey_op = EVP_PKEY_OP_VERIFYRECOVER; break; case OPT_ENCRYPT: pkey_op = EVP_PKEY_OP_ENCRYPT; break; case OPT_DECRYPT: pkey_op = EVP_PKEY_OP_DECRYPT; break; case OPT_DERIVE: pkey_op = EVP_PKEY_OP_DERIVE; break; case OPT_KDF: pkey_op = EVP_PKEY_OP_DERIVE; key_type = KEY_NONE; kdfalg = opt_arg(); break; case OPT_KDFLEN: kdflen = atoi(opt_arg()); break; case OPT_REV: rev = 1; break; case OPT_PKEYOPT: if ((pkeyopts == NULL && (pkeyopts = sk_OPENSSL_STRING_new_null()) == NULL) || sk_OPENSSL_STRING_push(pkeyopts, opt_arg()) == 0) { BIO_puts(bio_err, "out of memory\n"); goto end; } break; case OPT_PKEYOPT_PASSIN: if ((pkeyopts_passin == NULL && (pkeyopts_passin = sk_OPENSSL_STRING_new_null()) == NULL) || sk_OPENSSL_STRING_push(pkeyopts_passin, opt_arg()) == 0) { BIO_puts(bio_err, "out of memory\n"); goto end; } break; case OPT_RAWIN: rawin = 1; break; case OPT_DIGEST: if (!opt_md(opt_arg(), &md)) goto end; break; } } argc = opt_num_rest(); if (argc != 0) goto opthelp; if (rawin && pkey_op != EVP_PKEY_OP_SIGN && pkey_op != EVP_PKEY_OP_VERIFY) { BIO_printf(bio_err, "%s: -rawin can only be used with -sign or -verify\n", prog); goto opthelp; } if (md != NULL && !rawin) { BIO_printf(bio_err, "%s: -digest can only be used with -rawin\n", prog); goto opthelp; } if (rawin && rev) { BIO_printf(bio_err, "%s: -rev cannot be used with raw input\n", prog); goto opthelp; } if (kdfalg != NULL) { if (kdflen == 0) { BIO_printf(bio_err, "%s: no KDF length given (-kdflen parameter).\n", prog); goto opthelp; } } else if (inkey == NULL) { BIO_printf(bio_err, "%s: no private key given (-inkey parameter).\n", prog); goto opthelp; } else if (peerkey != NULL && pkey_op != EVP_PKEY_OP_DERIVE) { BIO_printf(bio_err, "%s: no peer key given (-peerkey parameter).\n", prog); goto opthelp; } ctx = init_ctx(kdfalg, &keysize, inkey, keyform, key_type, passinarg, pkey_op, e, engine_impl, &pkey); if (ctx == NULL) { BIO_printf(bio_err, "%s: Error initializing context\n", prog); ERR_print_errors(bio_err); goto end; } if (peerkey != NULL && !setup_peer(ctx, peerform, peerkey, e)) { BIO_printf(bio_err, "%s: Error setting up peer key\n", prog); ERR_print_errors(bio_err); goto end; } if (pkeyopts != NULL) { int num = sk_OPENSSL_STRING_num(pkeyopts); int i; for (i = 0; i < num; ++i) { const char *opt = sk_OPENSSL_STRING_value(pkeyopts, i); if (pkey_ctrl_string(ctx, opt) <= 0) { BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", prog, opt); ERR_print_errors(bio_err); goto end; } } } if (pkeyopts_passin != NULL) { int num = sk_OPENSSL_STRING_num(pkeyopts_passin); int i; for (i = 0; i < num; i++) { char *opt = sk_OPENSSL_STRING_value(pkeyopts_passin, i); char *passin = strchr(opt, ':'); char *passwd; if (passin == NULL) { /* Get password interactively */ char passwd_buf[4096]; BIO_snprintf(passwd_buf, sizeof(passwd_buf), "Enter %s: ", opt); EVP_read_pw_string(passwd_buf, sizeof(passwd_buf) - 1, passwd_buf, 0); passwd = OPENSSL_strdup(passwd_buf); if (passwd == NULL) { BIO_puts(bio_err, "out of memory\n"); goto end; } } else { /* Get password as a passin argument: First split option name * and passphrase argument into two strings */ *passin = 0; passin++; if (app_passwd(passin, NULL, &passwd, NULL) == 0) { BIO_printf(bio_err, "failed to get '%s'\n", opt); goto end; } } if (EVP_PKEY_CTX_ctrl_str(ctx, opt, passwd) <= 0) { BIO_printf(bio_err, "%s: Can't set parameter \"%s\":\n", prog, opt); goto end; } OPENSSL_free(passwd); } } if (sigfile != NULL && (pkey_op != EVP_PKEY_OP_VERIFY)) { BIO_printf(bio_err, "%s: Signature file specified for non verify\n", prog); goto end; } if (sigfile == NULL && (pkey_op == EVP_PKEY_OP_VERIFY)) { BIO_printf(bio_err, "%s: No signature file specified for verify\n", prog); goto end; } if (pkey_op != EVP_PKEY_OP_DERIVE) { in = bio_open_default(infile, 'r', FORMAT_BINARY); if (in == NULL) goto end; } out = bio_open_default(outfile, 'w', FORMAT_BINARY); if (out == NULL) goto end; if (sigfile != NULL) { BIO *sigbio = BIO_new_file(sigfile, "rb"); if (sigbio == NULL) { BIO_printf(bio_err, "Can't open signature file %s\n", sigfile); goto end; } siglen = bio_to_mem(&sig, keysize * 10, sigbio); BIO_free(sigbio); if (siglen < 0) { BIO_printf(bio_err, "Error reading signature data\n"); goto end; } } /* Raw input data is handled elsewhere */ if (in != NULL && !rawin) { /* Read the input data */ buf_inlen = bio_to_mem(&buf_in, keysize * 10, in); if (buf_inlen < 0) { BIO_printf(bio_err, "Error reading input Data\n"); goto end; } if (rev) { size_t i; unsigned char ctmp; size_t l = (size_t)buf_inlen; for (i = 0; i < l / 2; i++) { ctmp = buf_in[i]; buf_in[i] = buf_in[l - 1 - i]; buf_in[l - 1 - i] = ctmp; } } } /* Sanity check the input if the input is not raw */ if (!rawin && buf_inlen > EVP_MAX_MD_SIZE && (pkey_op == EVP_PKEY_OP_SIGN || pkey_op == EVP_PKEY_OP_VERIFY || pkey_op == EVP_PKEY_OP_VERIFYRECOVER)) { BIO_printf(bio_err, "Error: The input data looks too long to be a hash\n"); goto end; } if (pkey_op == EVP_PKEY_OP_VERIFY) { if (rawin) { rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, sig, siglen, NULL, 0); } else { rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, buf_in, (size_t)buf_inlen); } if (rv == 1) { BIO_puts(out, "Signature Verified Successfully\n"); ret = 0; } else { BIO_puts(out, "Signature Verification Failure\n"); } goto end; } if (kdflen != 0) { buf_outlen = kdflen; rv = 1; } else { if (rawin) { /* rawin allocates the buffer in do_raw_keyop() */ rv = do_raw_keyop(pkey_op, ctx, md, pkey, in, NULL, 0, &buf_out, (size_t *)&buf_outlen); } else { rv = do_keyop(ctx, pkey_op, NULL, (size_t *)&buf_outlen, buf_in, (size_t)buf_inlen); if (rv > 0 && buf_outlen != 0) { buf_out = app_malloc(buf_outlen, "buffer output"); rv = do_keyop(ctx, pkey_op, buf_out, (size_t *)&buf_outlen, buf_in, (size_t)buf_inlen); } } } if (rv <= 0) { if (pkey_op != EVP_PKEY_OP_DERIVE) { BIO_puts(bio_err, "Public Key operation error\n"); } else { BIO_puts(bio_err, "Key derivation failed\n"); } ERR_print_errors(bio_err); goto end; } ret = 0; if (asn1parse) { if (!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1)) ERR_print_errors(bio_err); } else if (hexdump) { BIO_dump(out, (char *)buf_out, buf_outlen); } else { BIO_write(out, buf_out, buf_outlen); } end: EVP_PKEY_CTX_free(ctx); release_engine(e); BIO_free(in); BIO_free_all(out); OPENSSL_free(buf_in); OPENSSL_free(buf_out); OPENSSL_free(sig); sk_OPENSSL_STRING_free(pkeyopts); sk_OPENSSL_STRING_free(pkeyopts_passin); return ret; }