VladPolskiy/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-08-17 19:04:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

crypto: sha1-generic - Use API partial block handling

Browse Source 
Use the Crypto API partial block handling.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2025-04-18 10:59:20 +08:00
parent 62a59a464f
commit a2d910b846
2 changed files with 12 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
crypto/sha1_generic.c
View File

@ -12,13 +12,11 @@
* Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
*/
#include <crypto/internal/hash.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/types.h>
#include <crypto/sha1.h>
#include <crypto/sha1_base.h>
#include <asm/byteorder.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE] = {
0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d,
@ -39,38 +37,31 @@ static void sha1_generic_block_fn(struct sha1_state *sst, u8 const *src,
memzero_explicit(temp, sizeof(temp));
}
int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
static int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
return sha1_base_do_update(desc, data, len, sha1_generic_block_fn);
return sha1_base_do_update_blocks(desc, data, len,
sha1_generic_block_fn);
}
EXPORT_SYMBOL(crypto_sha1_update);
static int sha1_final(struct shash_desc *desc, u8 *out)
static int crypto_sha1_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
sha1_base_do_finalize(desc, sha1_generic_block_fn);
sha1_base_do_finup(desc, data, len, sha1_generic_block_fn);
return sha1_base_finish(desc, out);
}
int crypto_sha1_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *out)
{
sha1_base_do_update(desc, data, len, sha1_generic_block_fn);
return sha1_final(desc, out);
}
EXPORT_SYMBOL(crypto_sha1_finup);
static struct shash_alg alg = {
.digestsize = SHA1_DIGEST_SIZE,
.init = sha1_base_init,
.update = crypto_sha1_update,
.final = sha1_final,
.finup = crypto_sha1_finup,
.descsize = sizeof(struct sha1_state),
.descsize = SHA1_STATE_SIZE,
.base = {
.cra_name = "sha1",
.cra_driver_name= "sha1-generic",
.cra_priority = 100,
.cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}

8
include/crypto/sha1.h
View File

@ -26,14 +26,6 @@ struct sha1_state {
u8 buffer[SHA1_BLOCK_SIZE];
};
struct shash_desc;
extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
unsigned int len);
extern int crypto_sha1_finup(struct shash_desc *desc, const u8 *data,
unsigned int len, u8 *hash);
/*
* An implementation of SHA-1's compression function. Don't use in new code!
* You shouldn't be using SHA-1, and even if you *have* to use SHA-1, this isn't