Contributors: 9
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Jon Oberheide |
91 |
29.84% |
2 |
12.50% |
Jussi Kivilinna |
56 |
18.36% |
1 |
6.25% |
Ard Biesheuvel |
51 |
16.72% |
3 |
18.75% |
Herbert Xu |
47 |
15.41% |
2 |
12.50% |
Eric Biggers |
34 |
11.15% |
3 |
18.75% |
James Morris |
17 |
5.57% |
2 |
12.50% |
Kees Cook |
4 |
1.31% |
1 |
6.25% |
Iuliana Prodan |
3 |
0.98% |
1 |
6.25% |
Thomas Gleixner |
2 |
0.66% |
1 |
6.25% |
Total |
305 |
|
16 |
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Cryptographic API
*
* ARC4 Cipher Algorithm
*
* Jon Oberheide <jon@oberheide.org>
*/
#include <crypto/arc4.h>
#include <crypto/internal/skcipher.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
static int crypto_arc4_setkey(struct crypto_lskcipher *tfm, const u8 *in_key,
unsigned int key_len)
{
struct arc4_ctx *ctx = crypto_lskcipher_ctx(tfm);
return arc4_setkey(ctx, in_key, key_len);
}
static int crypto_arc4_crypt(struct crypto_lskcipher *tfm, const u8 *src,
u8 *dst, unsigned nbytes, u8 *iv, bool final)
{
struct arc4_ctx *ctx = crypto_lskcipher_ctx(tfm);
arc4_crypt(ctx, dst, src, nbytes);
return 0;
}
static int crypto_arc4_init(struct crypto_lskcipher *tfm)
{
pr_warn_ratelimited("\"%s\" (%ld) uses obsolete ecb(arc4) skcipher\n",
current->comm, (unsigned long)current->pid);
return 0;
}
static struct lskcipher_alg arc4_alg = {
.co.base.cra_name = "arc4",
.co.base.cra_driver_name = "arc4-generic",
.co.base.cra_priority = 100,
.co.base.cra_blocksize = ARC4_BLOCK_SIZE,
.co.base.cra_ctxsize = sizeof(struct arc4_ctx),
.co.base.cra_module = THIS_MODULE,
.co.min_keysize = ARC4_MIN_KEY_SIZE,
.co.max_keysize = ARC4_MAX_KEY_SIZE,
.setkey = crypto_arc4_setkey,
.encrypt = crypto_arc4_crypt,
.decrypt = crypto_arc4_crypt,
.init = crypto_arc4_init,
};
static int __init arc4_init(void)
{
return crypto_register_lskcipher(&arc4_alg);
}
static void __exit arc4_exit(void)
{
crypto_unregister_lskcipher(&arc4_alg);
}
subsys_initcall(arc4_init);
module_exit(arc4_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("ARC4 Cipher Algorithm");
MODULE_AUTHOR("Jon Oberheide <jon@oberheide.org>");
MODULE_ALIAS_CRYPTO("ecb(arc4)");