op->status = RTE_CRYPTO_OP_STATUS_ERROR;
}
+/* process dsa sign operation */
+static int
+process_openssl_dsa_sign_op(struct rte_crypto_op *cop,
+ struct openssl_asym_session *sess)
+{
+ struct rte_crypto_dsa_op_param *op = &cop->asym->dsa;
+ DSA *dsa = sess->u.s.dsa;
+ DSA_SIG *sign = NULL;
+
+ sign = DSA_do_sign(op->message.data,
+ op->message.length,
+ dsa);
+
+ if (sign == NULL) {
+ OPENSSL_LOG(ERR, "%s:%d\n", __func__, __LINE__);
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ } else {
+ const BIGNUM *r = NULL, *s = NULL;
+ get_dsa_sign(sign, &r, &s);
+
+ op->r.length = BN_bn2bin(r, op->r.data);
+ op->s.length = BN_bn2bin(s, op->s.data);
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ }
+
+ DSA_SIG_free(sign);
+
+ return 0;
+}
+
+/* process dsa verify operation */
+static int
+process_openssl_dsa_verify_op(struct rte_crypto_op *cop,
+ struct openssl_asym_session *sess)
+{
+ struct rte_crypto_dsa_op_param *op = &cop->asym->dsa;
+ DSA *dsa = sess->u.s.dsa;
+ int ret;
+ DSA_SIG *sign = DSA_SIG_new();
+ BIGNUM *r = NULL, *s = NULL;
+ BIGNUM *pub_key = NULL;
+
+ if (sign == NULL) {
+ OPENSSL_LOG(ERR, " %s:%d\n", __func__, __LINE__);
+ cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ return -1;
+ }
+
+ r = BN_bin2bn(op->r.data,
+ op->r.length,
+ r);
+ s = BN_bin2bn(op->s.data,
+ op->s.length,
+ s);
+ pub_key = BN_bin2bn(op->y.data,
+ op->y.length,
+ pub_key);
+ if (!r || !s || !pub_key) {
+ if (r)
+ BN_free(r);
+ if (s)
+ BN_free(s);
+ if (pub_key)
+ BN_free(pub_key);
+
+ cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ return -1;
+ }
+ set_dsa_sign(sign, r, s);
+ set_dsa_pub_key(dsa, pub_key);
+
+ ret = DSA_do_verify(op->message.data,
+ op->message.length,
+ sign,
+ dsa);
+
+ if (ret != 1)
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ else
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+ DSA_SIG_free(sign);
+
+ return 0;
+}
+
+/* process dh operation */
+static int
+process_openssl_dh_op(struct rte_crypto_op *cop,
+ struct openssl_asym_session *sess)
+{
+ struct rte_crypto_dh_op_param *op = &cop->asym->dh;
+ DH *dh_key = sess->u.dh.dh_key;
+ BIGNUM *priv_key = NULL;
+ int ret = 0;
+
+ if (sess->u.dh.key_op &
+ (1 << RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE)) {
+ /* compute shared secret using peer public key
+ * and current private key
+ * shared secret = peer_key ^ priv_key mod p
+ */
+ BIGNUM *peer_key = NULL;
+
+ /* copy private key and peer key and compute shared secret */
+ peer_key = BN_bin2bn(op->pub_key.data,
+ op->pub_key.length,
+ peer_key);
+ if (peer_key == NULL) {
+ cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ return -1;
+ }
+ priv_key = BN_bin2bn(op->priv_key.data,
+ op->priv_key.length,
+ priv_key);
+ if (priv_key == NULL) {
+ BN_free(peer_key);
+ cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ return -1;
+ }
+ ret = set_dh_priv_key(dh_key, priv_key);
+ if (ret) {
+ OPENSSL_LOG(ERR, "Failed to set private key\n");
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ BN_free(peer_key);
+ BN_free(priv_key);
+ return 0;
+ }
+
+ ret = DH_compute_key(
+ op->shared_secret.data,
+ peer_key, dh_key);
+ if (ret < 0) {
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ BN_free(peer_key);
+ /* priv key is already loaded into dh,
+ * let's not free that directly here.
+ * DH_free() will auto free it later.
+ */
+ return 0;
+ }
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+ op->shared_secret.length = ret;
+ BN_free(peer_key);
+ return 0;
+ }
+
+ /*
+ * other options are public and private key generations.
+ *
+ * if user provides private key,
+ * then first set DH with user provided private key
+ */
+ if ((sess->u.dh.key_op &
+ (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)) &&
+ !(sess->u.dh.key_op &
+ (1 << RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE))) {
+ /* generate public key using user-provided private key
+ * pub_key = g ^ priv_key mod p
+ */
+
+ /* load private key into DH */
+ priv_key = BN_bin2bn(op->priv_key.data,
+ op->priv_key.length,
+ priv_key);
+ if (priv_key == NULL) {
+ cop->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ return -1;
+ }
+ ret = set_dh_priv_key(dh_key, priv_key);
+ if (ret) {
+ OPENSSL_LOG(ERR, "Failed to set private key\n");
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ BN_free(priv_key);
+ return 0;
+ }
+ }
+
+ /* generate public and private key pair.
+ *
+ * if private key already set, generates only public key.
+ *
+ * if private key is not already set, then set it to random value
+ * and update internal private key.
+ */
+ if (!DH_generate_key(dh_key)) {
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ return 0;
+ }
+
+ if (sess->u.dh.key_op & (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)) {
+ const BIGNUM *pub_key = NULL;
+
+ OPENSSL_LOG(DEBUG, "%s:%d update public key\n",
+ __func__, __LINE__);
+
+ /* get the generated keys */
+ get_dh_pub_key(dh_key, &pub_key);
+
+ /* output public key */
+ op->pub_key.length = BN_bn2bin(pub_key,
+ op->pub_key.data);
+ }
+
+ if (sess->u.dh.key_op &
+ (1 << RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE)) {
+ const BIGNUM *priv_key = NULL;
+
+ OPENSSL_LOG(DEBUG, "%s:%d updated priv key\n",
+ __func__, __LINE__);
+
+ /* get the generated keys */
+ get_dh_priv_key(dh_key, &priv_key);
+
+ /* provide generated private key back to user */
+ op->priv_key.length = BN_bn2bin(priv_key,
+ op->priv_key.data);
+ }
+
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+ return 0;
+}
+
/* process modinv operation */
static int
process_openssl_modinv_op(struct rte_crypto_op *cop,
case RTE_CRYPTO_ASYM_XFORM_MODINV:
retval = process_openssl_modinv_op(op, sess);
break;
+ case RTE_CRYPTO_ASYM_XFORM_DH:
+ retval = process_openssl_dh_op(op, sess);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_DSA:
+ if (op->asym->dsa.op_type == RTE_CRYPTO_ASYM_OP_SIGN)
+ retval = process_openssl_dsa_sign_op(op, sess);
+ else if (op->asym->dsa.op_type ==
+ RTE_CRYPTO_ASYM_OP_VERIFY)
+ retval =
+ process_openssl_dsa_verify_op(op, sess);
+ else
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ break;
default:
op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
break;
git.droids-corp.org / dpdk.git / blobdiff