From 374d4ad18a0c4bc844dee42b3b43916e5f46608d Mon Sep 17 00:00:00 2001 From: Herbert Xu Date: Sat, 23 May 2015 15:41:57 +0800 Subject: [PATCH] crypto: aead - Remove unused cryptoff parameter This patch removes the cryptoff parameter now that all users set it to zero. Signed-off-by: Herbert Xu --- crypto/aead.c | 6 ++---- crypto/echainiv.c | 4 ++-- crypto/seqiv.c | 8 ++++---- include/crypto/aead.h | 7 +------ 4 files changed, 9 insertions(+), 16 deletions(-) diff --git a/crypto/aead.c b/crypto/aead.c index 070e4b9e94f8..7c3d725bd264 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -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), diff --git a/crypto/echainiv.c b/crypto/echainiv.c index 149d8fb87962..bd85dcc4fa3d 100644 --- a/crypto/echainiv.c +++ b/crypto/echainiv.c @@ -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) diff --git a/crypto/seqiv.c b/crypto/seqiv.c index 16738c5f62bd..127970a69ecf 100644 --- a/crypto/seqiv.c +++ b/crypto/seqiv.c @@ -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) diff --git a/include/crypto/aead.h b/include/crypto/aead.h index ba28c61e765f..94141dc1225e 100644 --- a/include/crypto/aead.h +++ b/include/crypto/aead.h @@ -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; } -- 2.20.1