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crypto: aead - Remove unused cryptoff parameter

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This patch removes the cryptoff parameter now that all users
set it to zero.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2015-05-23 15:41:57 +08:00
parent dd04446e48
commit 374d4ad18a
4 changed files with 9 additions and 16 deletions
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6
crypto/aead.c
View File

@ -106,10 +106,8 @@ static int old_crypt(struct aead_request *req,
if (req->old)
return crypt(req);
src = scatterwalk_ffwd(nreq->srcbuf, req->src,
req->assoclen + req->cryptoff);
dst = scatterwalk_ffwd(nreq->dstbuf, req->dst,
req->assoclen + req->cryptoff);
src = scatterwalk_ffwd(nreq->srcbuf, req->src, req->assoclen);
dst = scatterwalk_ffwd(nreq->dstbuf, req->dst, req->assoclen);
aead_request_set_tfm(&nreq->subreq, aead);
aead_request_set_callback(&nreq->subreq, aead_request_flags(req),

4
crypto/echainiv.c
View File

@ -259,7 +259,7 @@ static int echainiv_encrypt(struct aead_request *req)
aead_request_set_callback(subreq, req->base.flags, compl, data);
aead_request_set_crypt(subreq, req->dst, req->dst,
req->cryptlen - ivsize, info);
aead_request_set_ad(subreq, req->assoclen + ivsize, 0);
aead_request_set_ad(subreq, req->assoclen + ivsize);
crypto_xor(info, ctx->salt, ivsize);
scatterwalk_map_and_copy(info, req->dst, req->assoclen, ivsize, 1);
@ -322,7 +322,7 @@ static int echainiv_decrypt(struct aead_request *req)
aead_request_set_callback(subreq, req->base.flags, compl, data);
aead_request_set_crypt(subreq, req->src, req->dst,
req->cryptlen - ivsize, req->iv);
aead_request_set_ad(subreq, req->assoclen + ivsize, 0);
aead_request_set_ad(subreq, req->assoclen + ivsize);
scatterwalk_map_and_copy(req->iv, req->src, req->assoclen, ivsize, 0);
if (req->src != req->dst)

8
crypto/seqiv.c
View File

@ -337,7 +337,7 @@ static int seqiv_aead_encrypt_compat(struct aead_request *req)
aead_request_set_callback(subreq, req->base.flags, compl, data);
aead_request_set_crypt(subreq, dst, dst,
req->cryptlen - ivsize, req->iv);
aead_request_set_ad(subreq, req->assoclen, 0);
aead_request_set_ad(subreq, req->assoclen);
memcpy(buf, req->iv, ivsize);
crypto_xor(buf, ctx->salt, ivsize);
@ -406,7 +406,7 @@ static int seqiv_aead_encrypt(struct aead_request *req)
aead_request_set_callback(subreq, req->base.flags, compl, data);
aead_request_set_crypt(subreq, req->dst, req->dst,
req->cryptlen - ivsize, info);
aead_request_set_ad(subreq, req->assoclen + ivsize, 0);
aead_request_set_ad(subreq, req->assoclen + ivsize);
crypto_xor(info, ctx->salt, ivsize);
scatterwalk_map_and_copy(info, req->dst, req->assoclen, ivsize, 1);
@ -473,7 +473,7 @@ static int seqiv_aead_decrypt_compat(struct aead_request *req)
aead_request_set_callback(subreq, req->base.flags, compl, data);
aead_request_set_crypt(subreq, dst, dst,
req->cryptlen - ivsize, req->iv);
aead_request_set_ad(subreq, req->assoclen, 0);
aead_request_set_ad(subreq, req->assoclen);
err = crypto_aead_decrypt(subreq);
if (req->assoclen > 8)
@ -501,7 +501,7 @@ static int seqiv_aead_decrypt(struct aead_request *req)
aead_request_set_callback(subreq, req->base.flags, compl, data);
aead_request_set_crypt(subreq, req->src, req->dst,
req->cryptlen - ivsize, req->iv);
aead_request_set_ad(subreq, req->assoclen + ivsize, 0);
aead_request_set_ad(subreq, req->assoclen + ivsize);
scatterwalk_map_and_copy(req->iv, req->src, req->assoclen, ivsize, 0);
if (req->src != req->dst)

7
include/crypto/aead.h
View File

@ -52,7 +52,6 @@
* @base: Common attributes for async crypto requests
* @assoclen: Length in bytes of associated data for authentication
* @cryptlen: Length of data to be encrypted or decrypted
* @cryptoff: Bytes to skip after AD before plain/cipher text
* @iv: Initialisation vector
* @assoc: Associated data
* @src: Source data
@ -66,7 +65,6 @@ struct aead_request {
unsigned int assoclen;
unsigned int cryptlen;
unsigned int cryptoff;
u8 *iv;
@ -525,18 +523,15 @@ static inline void aead_request_set_assoc(struct aead_request *req,
* aead_request_set_ad - set associated data information
* @req: request handle
* @assoclen: number of bytes in associated data
* @cryptoff: Number of bytes to skip after AD before plain/cipher text
*
* Setting the AD information. This function sets the length of
* the associated data and the number of bytes to skip after it to
* access the plain/cipher text.
*/
static inline void aead_request_set_ad(struct aead_request *req,
unsigned int assoclen,
unsigned int cryptoff)
unsigned int assoclen)
{
req->assoclen = assoclen;
req->cryptoff = cryptoff;
req->old = false;
}