On Fri, Oct 18, 2024 at 06:58:29PM +0800, Chenghai Huang wrote: > > @@ -911,10 +910,8 @@ static int sec_cipher_pbuf_map(struct sec_ctx *ctx, struct sec_req *req, > return -EINVAL; > } > if (!c_req->encrypt && ctx->alg_type == SEC_AEAD) { > - tfm = crypto_aead_reqtfm(aead_req); > - authsize = crypto_aead_authsize(tfm); > - mac_offset = qp_ctx->res[req_id].pbuf + copy_size - authsize; > - memcpy(a_req->out_mac, mac_offset, authsize); > + mac_offset = qp_ctx->res[req_id].pbuf + copy_size - a_ctx->authsize; > + memcpy(a_req->out_mac, mac_offset, a_ctx->authsize); You've lost me. a_ctx->authsize is set to the value of crypto_aead_authsize(tfm). In other words nothing has changed. What am I missing? > @@ -2356,10 +2331,12 @@ static int sec_aead_crypto(struct aead_request *a_req, bool encrypt) > struct crypto_aead *tfm = crypto_aead_reqtfm(a_req); > struct sec_req *req = aead_request_ctx(a_req); > struct sec_ctx *ctx = crypto_aead_ctx(tfm); > + struct sec_auth_ctx *a_ctx = &ctx->a_ctx; > int ret; > > req->flag = a_req->base.flags; > req->aead_req.aead_req = a_req; > + a_ctx->authsize = crypto_aead_authsize(tfm); > req->c_req.encrypt = encrypt; > req->ctx = ctx; Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt