Contributors: 17
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| James Morris |
127 |
33.25% |
3 |
12.00% |
| Ard Biesheuvel |
69 |
18.06% |
1 |
4.00% |
| Corentin Labbe |
54 |
14.14% |
1 |
4.00% |
| Herbert Xu |
37 |
9.69% |
3 |
12.00% |
| Adrian-Ken Rueegsegger |
32 |
8.38% |
1 |
4.00% |
| Matt Mackall |
14 |
3.66% |
1 |
4.00% |
| Nico Pitre |
11 |
2.88% |
1 |
4.00% |
| Mathias Krause |
11 |
2.88% |
2 |
8.00% |
| Eric Biggers |
9 |
2.36% |
4 |
16.00% |
| Michal Ludvig |
6 |
1.57% |
1 |
4.00% |
| Kamalesh Babulal |
4 |
1.05% |
1 |
4.00% |
| Thomas Gleixner |
2 |
0.52% |
1 |
4.00% |
| Jan Glauber |
2 |
0.52% |
1 |
4.00% |
| Sebastian Andrzej Siewior |
1 |
0.26% |
1 |
4.00% |
| Daniel Borkmann |
1 |
0.26% |
1 |
4.00% |
| Mandeep Singh Baines |
1 |
0.26% |
1 |
4.00% |
| Kees Cook |
1 |
0.26% |
1 |
4.00% |
| Total |
382 |
|
25 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Cryptographic API.
*
* SHA1 Secure Hash Algorithm.
*
* Derived from cryptoapi implementation, adapted for in-place
* scatterlist interface.
*
* Copyright (c) Alan Smithee.
* Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
* 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>
const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE] = {
0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d,
0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90,
0xaf, 0xd8, 0x07, 0x09
};
EXPORT_SYMBOL_GPL(sha1_zero_message_hash);
static void sha1_generic_block_fn(struct sha1_state *sst, u8 const *src,
int blocks)
{
u32 temp[SHA1_WORKSPACE_WORDS];
while (blocks--) {
sha1_transform(sst->state, src, temp);
src += SHA1_BLOCK_SIZE;
}
memzero_explicit(temp, sizeof(temp));
}
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);
}
EXPORT_SYMBOL(crypto_sha1_update);
static int sha1_final(struct shash_desc *desc, u8 *out)
{
sha1_base_do_finalize(desc, 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),
.base = {
.cra_name = "sha1",
.cra_driver_name= "sha1-generic",
.cra_priority = 100,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_module = THIS_MODULE,
}
};
static int __init sha1_generic_mod_init(void)
{
return crypto_register_shash(&alg);
}
static void __exit sha1_generic_mod_fini(void)
{
crypto_unregister_shash(&alg);
}
subsys_initcall(sha1_generic_mod_init);
module_exit(sha1_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");
MODULE_ALIAS_CRYPTO("sha1");
MODULE_ALIAS_CRYPTO("sha1-generic");