diff options
Diffstat (limited to 'crypto/authenc.c')
| -rw-r--r-- | crypto/authenc.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/crypto/authenc.c b/crypto/authenc.c index 2bb7348d..b9884ee0 100644 --- a/crypto/authenc.c +++ b/crypto/authenc.c @@ -46,6 +46,12 @@ struct authenc_request_ctx { char tail[]; }; +static void authenc_request_complete(struct aead_request *req, int err) +{ + if (err != -EINPROGRESS) + aead_request_complete(req, err); +} + static int crypto_authenc_setkey(struct crypto_aead *authenc, const u8 *key, unsigned int keylen) { @@ -142,7 +148,7 @@ static void authenc_geniv_ahash_update_done(struct crypto_async_request *areq, crypto_aead_authsize(authenc), 1); out: - aead_request_complete(req, err); + authenc_request_complete(req, err); } static void authenc_geniv_ahash_done(struct crypto_async_request *areq, int err) @@ -175,6 +181,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq, struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc); struct authenc_request_ctx *areq_ctx = aead_request_ctx(req); struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff); + unsigned int cryptlen = req->cryptlen; if (err) goto out; @@ -190,6 +197,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq, goto out; authsize = crypto_aead_authsize(authenc); + cryptlen -= authsize; ihash = ahreq->result + authsize; scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen, authsize, 0); @@ -203,12 +211,12 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq, ablkcipher_request_set_callback(abreq, aead_request_flags(req), req->base.complete, req->base.data); ablkcipher_request_set_crypt(abreq, req->src, req->dst, - req->cryptlen, req->iv); + cryptlen, req->iv); err = crypto_ablkcipher_decrypt(abreq); out: - aead_request_complete(req, err); + authenc_request_complete(req, err); } static void authenc_verify_ahash_done(struct crypto_async_request *areq, @@ -222,11 +230,13 @@ static void authenc_verify_ahash_done(struct crypto_async_request *areq, struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc); struct authenc_request_ctx *areq_ctx = aead_request_ctx(req); struct ahash_request *ahreq = (void *)(areq_ctx->tail + ctx->reqoff); + unsigned int cryptlen = req->cryptlen; if (err) goto out; authsize = crypto_aead_authsize(authenc); + cryptlen -= authsize; ihash = ahreq->result + authsize; scatterwalk_map_and_copy(ihash, areq_ctx->sg, areq_ctx->cryptlen, authsize, 0); @@ -240,12 +250,12 @@ static void authenc_verify_ahash_done(struct crypto_async_request *areq, ablkcipher_request_set_callback(abreq, aead_request_flags(req), req->base.complete, req->base.data); ablkcipher_request_set_crypt(abreq, req->src, req->dst, - req->cryptlen, req->iv); + cryptlen, req->iv); err = crypto_ablkcipher_decrypt(abreq); out: - aead_request_complete(req, err); + authenc_request_complete(req, err); } static u8 *crypto_authenc_ahash_fb(struct aead_request *req, unsigned int flags) @@ -379,7 +389,7 @@ static void crypto_authenc_encrypt_done(struct crypto_async_request *req, err = crypto_authenc_genicv(areq, iv, 0); } - aead_request_complete(areq, err); + authenc_request_complete(areq, err); } static int crypto_authenc_encrypt(struct aead_request *req) @@ -420,7 +430,7 @@ static void crypto_authenc_givencrypt_done(struct crypto_async_request *req, err = crypto_authenc_genicv(areq, greq->giv, 0); } - aead_request_complete(areq, err); + authenc_request_complete(areq, err); } static int crypto_authenc_givencrypt(struct aead_givcrypt_request *req) |