+/** Process AES-CCM encrypt algorithm */
+static int
+process_openssl_auth_encryption_ccm(struct rte_mbuf *mbuf_src, int offset,
+ int srclen, uint8_t *aad, int aadlen, uint8_t *iv,
+ uint8_t *dst, uint8_t *tag, uint8_t taglen, EVP_CIPHER_CTX *ctx)
+{
+ int len = 0;
+
+ if (EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, iv) <= 0)
+ goto process_auth_encryption_ccm_err;
+
+ if (EVP_EncryptUpdate(ctx, NULL, &len, NULL, srclen) <= 0)
+ goto process_auth_encryption_ccm_err;
+
+ if (aadlen > 0)
+ /*
+ * For AES-CCM, the actual AAD is placed
+ * 18 bytes after the start of the AAD field,
+ * according to the API.
+ */
+ if (EVP_EncryptUpdate(ctx, NULL, &len, aad + 18, aadlen) <= 0)
+ goto process_auth_encryption_ccm_err;
+
+ if (srclen > 0)
+ if (process_openssl_encryption_update(mbuf_src, offset, &dst,
+ srclen, ctx))
+ goto process_auth_encryption_ccm_err;
+
+ if (EVP_EncryptFinal_ex(ctx, dst, &len) <= 0)
+ goto process_auth_encryption_ccm_err;
+
+ if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_CCM_GET_TAG, taglen, tag) <= 0)
+ goto process_auth_encryption_ccm_err;
+
+ return 0;
+
+process_auth_encryption_ccm_err:
+ OPENSSL_LOG_ERR("Process openssl auth encryption ccm failed");
+ return -EINVAL;
+}
+
+/** Process AES-GCM decrypt algorithm */