cryptodev: do not use AAD in wireless algorithms
[dpdk.git] / drivers / crypto / zuc / rte_zuc_pmd.c
index 9f9298d..790ef9c 100644 (file)
@@ -120,7 +120,7 @@ zuc_set_session_parameters(struct zuc_session *sess,
                        ZUC_LOG_ERR("Wrong IV length");
                        return -EINVAL;
                }
-               sess->iv_offset = cipher_xform->cipher.iv.offset;
+               sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
 
                /* Copy the key */
                memcpy(sess->pKey_cipher, cipher_xform->cipher.key.data,
@@ -132,6 +132,13 @@ zuc_set_session_parameters(struct zuc_session *sess,
                if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_ZUC_EIA3)
                        return -EINVAL;
                sess->auth_op = auth_xform->auth.op;
+
+               if (auth_xform->auth.iv.length != ZUC_IV_KEY_LENGTH) {
+                       ZUC_LOG_ERR("Wrong IV length");
+                       return -EINVAL;
+               }
+               sess->auth_iv_offset = auth_xform->auth.iv.offset;
+
                /* Copy the key */
                memcpy(sess->pKey_hash, auth_xform->auth.key.data,
                                ZUC_IV_KEY_LENGTH);
@@ -214,7 +221,7 @@ process_zuc_cipher_op(struct rte_crypto_op **ops,
                        rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
                                (ops[i]->sym->cipher.data.offset >> 3);
                iv[i] = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
-                               session->iv_offset);
+                               session->cipher_iv_offset);
                num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 
                cipher_keys[i] = session->pKey_cipher;
@@ -239,14 +246,9 @@ process_zuc_hash_op(struct rte_crypto_op **ops,
        uint8_t *src;
        uint32_t *dst;
        uint32_t length_in_bits;
+       uint8_t *iv;
 
        for (i = 0; i < num_ops; i++) {
-               if (unlikely(ops[i]->sym->auth.aad.length != ZUC_IV_KEY_LENGTH)) {
-                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-                       ZUC_LOG_ERR("aad");
-                       break;
-               }
-
                if (unlikely(ops[i]->sym->auth.digest.length != ZUC_DIGEST_LENGTH)) {
                        ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
                        ZUC_LOG_ERR("digest");
@@ -264,13 +266,15 @@ process_zuc_hash_op(struct rte_crypto_op **ops,
 
                src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
                                (ops[i]->sym->auth.data.offset >> 3);
+               iv = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
+                               session->auth_iv_offset);
 
                if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
                        dst = (uint32_t *)rte_pktmbuf_append(ops[i]->sym->m_src,
                                        ops[i]->sym->auth.digest.length);
 
                        sso_zuc_eia3_1_buffer(session->pKey_hash,
-                                       ops[i]->sym->auth.aad.data, src,
+                                       iv, src,
                                        length_in_bits, dst);
                        /* Verify digest. */
                        if (memcmp(dst, ops[i]->sym->auth.digest.data,
@@ -284,7 +288,7 @@ process_zuc_hash_op(struct rte_crypto_op **ops,
                        dst = (uint32_t *)ops[i]->sym->auth.digest.data;
 
                        sso_zuc_eia3_1_buffer(session->pKey_hash,
-                                       ops[i]->sym->auth.aad.data, src,
+                                       iv, src,
                                        length_in_bits, dst);
                }
                processed_ops++;