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| author | Jussi Kivilinna <jussi.kivilinna@mbnet.fi> | 2011-10-18 13:32:19 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-11-09 11:43:01 +0800 |
| commit | 4660720df61321f9746353ad3188bf4de2408b67 (patch) | |
| tree | 1ea47c082b5f9e61c3d1201a72568cf4dae8853d /crypto | |
| parent | b884f8b901b968b90d8d1b82d388583fa1b2605d (diff) | |
| download | lwn-4660720df61321f9746353ad3188bf4de2408b67.tar.gz lwn-4660720df61321f9746353ad3188bf4de2408b67.zip | |
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>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/lrw.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/lrw.c b/crypto/lrw.c index fca3246a953f..bee60226f723 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -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; |