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crypto: lrw - use blocksize constant 

LRW has fixed blocksize of 16. Define LRW_BLOCK_SIZE and use in place of
crypto_cipher_blocksize().

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jussi Kivilinna 2011-10-18 13:32:19 +03:00 committed by Herbert Xu
parent b884f8b901
commit 4660720df6
1 changed files with 5 additions and 3 deletions
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8
crypto/lrw.c
View File

@ -27,6 +27,8 @@
#include <crypto/b128ops.h>
#include <crypto/gf128mul.h>
#define LRW_BLOCK_SIZE 16
struct priv {
struct crypto_cipher *child;
/* optimizes multiplying a random (non incrementing, as at the
@ -61,7 +63,7 @@ static int setkey(struct crypto_tfm *parent, const u8 *key,
struct crypto_cipher *child = ctx->child;
int err, i;
be128 tmp = { 0 };
int bsize = crypto_cipher_blocksize(child);
int bsize = LRW_BLOCK_SIZE;
crypto_cipher_clear_flags(child, CRYPTO_TFM_REQ_MASK);
crypto_cipher_set_flags(child, crypto_tfm_get_flags(parent) &
@ -134,7 +136,7 @@ static int crypt(struct blkcipher_desc *d,
{
int err;
unsigned int avail;
const int bs = crypto_cipher_blocksize(ctx->child);
const int bs = LRW_BLOCK_SIZE;
struct sinfo s = {
.tfm = crypto_cipher_tfm(ctx->child),
.fn = fn
@ -218,7 +220,7 @@ static int init_tfm(struct crypto_tfm *tfm)
if (IS_ERR(cipher))
return PTR_ERR(cipher);
if (crypto_cipher_blocksize(cipher) != 16) {
if (crypto_cipher_blocksize(cipher) != LRW_BLOCK_SIZE) {
*flags |= CRYPTO_TFM_RES_BAD_BLOCK_LEN;
crypto_free_cipher(cipher);
return -EINVAL;