SEC_AIV_SIZE
memcpy(a_req->a_ivin, c_req->c_ivin, SEC_AIV_SIZE);
if (ctx->c_ctx.ivsize < SEC_AIV_SIZE ||
sec_aead_xcm_ctx_exit, SEC_MIN_BLOCK_SZ, SEC_AIV_SIZE,
sec_aead_xcm_ctx_exit, SEC_MIN_BLOCK_SZ, SEC_AIV_SIZE,