static int eckey_priv_decode(EVP_PKEY *out, CBS *params, CBS *key) { // See RFC 5915. EC_GROUP *group = EC_KEY_parse_parameters(params); if (group == NULL || CBS_len(params) != 0) { OPENSSL_PUT_ERROR(EVP, EVP_R_DECODE_ERROR); EC_GROUP_free(group); return 0; } EC_KEY *ec_key = EC_KEY_parse_private_key(key, group); EC_GROUP_free(group); if (ec_key == NULL || CBS_len(key) != 0) { OPENSSL_PUT_ERROR(EVP, EVP_R_DECODE_ERROR); EC_KEY_free(ec_key); return 0; } EVP_PKEY_assign_EC_KEY(out, ec_key); return 1; }
static EVP_PKEY *old_priv_decode(CBS *cbs, int type) { EVP_PKEY *ret = EVP_PKEY_new(); if (ret == NULL) { return NULL; } switch (type) { case EVP_PKEY_EC: { EC_KEY *ec_key = EC_KEY_parse_private_key(cbs, NULL); if (ec_key == NULL || !EVP_PKEY_assign_EC_KEY(ret, ec_key)) { EC_KEY_free(ec_key); goto err; } return ret; } case EVP_PKEY_DSA: { DSA *dsa = DSA_parse_private_key(cbs); if (dsa == NULL || !EVP_PKEY_assign_DSA(ret, dsa)) { DSA_free(dsa); goto err; } return ret; } case EVP_PKEY_RSA: { RSA *rsa = RSA_parse_private_key(cbs); if (rsa == NULL || !EVP_PKEY_assign_RSA(ret, rsa)) { RSA_free(rsa); goto err; } return ret; } default: OPENSSL_PUT_ERROR(EVP, EVP_R_UNKNOWN_PUBLIC_KEY_TYPE); goto err; } err: EVP_PKEY_free(ret); return NULL; }