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| author | David Hardeman <david@2gen.com> | 2005-09-17 17:55:31 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2005-10-30 11:19:43 +1100 |
| commit | 378f058cc49bcda7fa63d3cd86d2f9a0a5188b1c (patch) | |
| tree | ed99548aa459054c7b046f0ac96af2cc50683e6e /crypto/hmac.c | |
| parent | d32311fed70d12f14e585feb4653571b1e2b0e6d (diff) | |
| download | lwn-378f058cc49bcda7fa63d3cd86d2f9a0a5188b1c.tar.gz lwn-378f058cc49bcda7fa63d3cd86d2f9a0a5188b1c.zip | |
[PATCH] Use sg_set_buf/sg_init_one where applicable
This patch uses sg_set_buf/sg_init_one in some places where it was
duplicated.
Signed-off-by: David Hardeman <david@2gen.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Cc: Greg KH <greg@kroah.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/hmac.c')
| -rw-r--r-- | crypto/hmac.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/crypto/hmac.c b/crypto/hmac.c index da0456b37109..46120dee5ada 100644 --- a/crypto/hmac.c +++ b/crypto/hmac.c @@ -18,18 +18,15 @@ #include <linux/mm.h> #include <linux/highmem.h> #include <linux/slab.h> -#include <asm/scatterlist.h> +#include <linux/scatterlist.h> #include "internal.h" static void hash_key(struct crypto_tfm *tfm, u8 *key, unsigned int keylen) { struct scatterlist tmp; - tmp.page = virt_to_page(key); - tmp.offset = offset_in_page(key); - tmp.length = keylen; + sg_set_buf(&tmp, key, keylen); crypto_digest_digest(tfm, &tmp, 1, key); - } int crypto_alloc_hmac_block(struct crypto_tfm *tfm) @@ -69,9 +66,7 @@ void crypto_hmac_init(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen) for (i = 0; i < crypto_tfm_alg_blocksize(tfm); i++) ipad[i] ^= 0x36; - tmp.page = virt_to_page(ipad); - tmp.offset = offset_in_page(ipad); - tmp.length = crypto_tfm_alg_blocksize(tfm); + sg_set_buf(&tmp, ipad, crypto_tfm_alg_blocksize(tfm)); crypto_digest_init(tfm); crypto_digest_update(tfm, &tmp, 1); @@ -103,16 +98,12 @@ void crypto_hmac_final(struct crypto_tfm *tfm, u8 *key, for (i = 0; i < crypto_tfm_alg_blocksize(tfm); i++) opad[i] ^= 0x5c; - tmp.page = virt_to_page(opad); - tmp.offset = offset_in_page(opad); - tmp.length = crypto_tfm_alg_blocksize(tfm); + sg_set_buf(&tmp, opad, crypto_tfm_alg_blocksize(tfm)); crypto_digest_init(tfm); crypto_digest_update(tfm, &tmp, 1); - tmp.page = virt_to_page(out); - tmp.offset = offset_in_page(out); - tmp.length = crypto_tfm_alg_digestsize(tfm); + sg_set_buf(&tmp, out, crypto_tfm_alg_digestsize(tfm)); crypto_digest_update(tfm, &tmp, 1); crypto_digest_final(tfm, out); |