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[CRYPTO] users: Use crypto_hash interface instead of crypto_digest

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This patch converts all remaining crypto_digest users to use the new
crypto_hash interface.

Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Herbert Xu 2006-08-24 19:10:20 +10:00
commit 3505868791
6 changed files with 97 additions and 69 deletions
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18
security/seclvl.c
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@ -16,6 +16,7 @@
* (at your option) any later version.
*/
#include <linux/err.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
@ -197,26 +198,27 @@ static unsigned char hashedPassword[SHA1_DIGEST_SIZE];
static int
plaintext_to_sha1(unsigned char *hash, const char *plaintext, unsigned int len)
{
struct crypto_tfm *tfm;
struct hash_desc desc;
struct scatterlist sg;
int err;
if (len > PAGE_SIZE) {
seclvl_printk(0, KERN_ERR, "Plaintext password too large (%d "
"characters). Largest possible is %lu "
"bytes.\n", len, PAGE_SIZE);
return -EINVAL;
}
tfm = crypto_alloc_tfm("sha1", CRYPTO_TFM_REQ_MAY_SLEEP);
if (tfm == NULL) {
desc.tfm = crypto_alloc_hash("sha1", 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(desc.tfm)) {
seclvl_printk(0, KERN_ERR,
"Failed to load transform for SHA1\n");
return -EINVAL;
}
sg_init_one(&sg, (u8 *)plaintext, len);
crypto_digest_init(tfm);
crypto_digest_update(tfm, &sg, 1);
crypto_digest_final(tfm, hash);
crypto_free_tfm(tfm);
return 0;
desc.flags = CRYPTO_TFM_REQ_MAY_SLEEP;
err = crypto_hash_digest(&desc, &sg, len, hash);
crypto_free_hash(desc.tfm);
return err;
}
/**