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-rw-r--r--crypto/authenc.c43
1 files changed, 26 insertions, 17 deletions
diff --git a/crypto/authenc.c b/crypto/authenc.c
index 18870906ea06..05eb32e0d949 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)
@@ -208,7 +214,7 @@ static void authenc_verify_ahash_update_done(struct crypto_async_request *areq,
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,
@@ -245,7 +251,7 @@ static void authenc_verify_ahash_done(struct crypto_async_request *areq,
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)
@@ -379,18 +385,20 @@ 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)
{
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
- struct ablkcipher_request *abreq = aead_request_ctx(req);
+ struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
struct crypto_ablkcipher *enc = ctx->enc;
struct scatterlist *dst = req->dst;
unsigned int cryptlen = req->cryptlen;
- u8 *iv = (u8 *)(abreq + 1) + crypto_ablkcipher_reqsize(enc);
+ struct ablkcipher_request *abreq = (void *)(areq_ctx->tail
+ + ctx->reqoff);
+ u8 *iv = (u8 *)abreq - crypto_ablkcipher_ivsize(enc);
int err;
ablkcipher_request_set_tfm(abreq, enc);
@@ -418,7 +426,7 @@ 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)
@@ -454,7 +462,7 @@ static int crypto_authenc_verify(struct aead_request *req,
unsigned int authsize;
areq_ctx->complete = authenc_verify_ahash_done;
- areq_ctx->complete = authenc_verify_ahash_update_done;
+ areq_ctx->update_complete = authenc_verify_ahash_update_done;
ohash = authenc_ahash_fn(req, CRYPTO_TFM_REQ_MAY_SLEEP);
if (IS_ERR(ohash))
@@ -546,10 +554,6 @@ static int crypto_authenc_init_tfm(struct crypto_tfm *tfm)
if (IS_ERR(auth))
return PTR_ERR(auth);
- ctx->reqoff = ALIGN(2 * crypto_ahash_digestsize(auth) +
- crypto_ahash_alignmask(auth),
- crypto_ahash_alignmask(auth) + 1);
-
enc = crypto_spawn_skcipher(&ictx->enc);
err = PTR_ERR(enc);
if (IS_ERR(enc))
@@ -558,13 +562,18 @@ static int crypto_authenc_init_tfm(struct crypto_tfm *tfm)
ctx->auth = auth;
ctx->enc = enc;
- tfm->crt_aead.reqsize = max_t(unsigned int,
- crypto_ahash_reqsize(auth) + ctx->reqoff +
- sizeof(struct authenc_request_ctx) +
+ ctx->reqoff = ALIGN(2 * crypto_ahash_digestsize(auth) +
+ crypto_ahash_alignmask(auth),
+ crypto_ahash_alignmask(auth) + 1) +
+ crypto_ablkcipher_ivsize(enc);
+
+ tfm->crt_aead.reqsize = sizeof(struct authenc_request_ctx) +
+ ctx->reqoff +
+ max_t(unsigned int,
+ crypto_ahash_reqsize(auth) +
sizeof(struct ahash_request),
sizeof(struct skcipher_givcrypt_request) +
- crypto_ablkcipher_reqsize(enc) +
- crypto_ablkcipher_ivsize(enc));
+ crypto_ablkcipher_reqsize(enc));
return 0;

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