Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
Path: blob/master/crypto/compress.c
10814 views
1
/*
2
* Cryptographic API.
3
*
4
* Compression operations.
5
*
6
* Copyright (c) 2002 James Morris <[email protected]>
7
*
8
* This program is free software; you can redistribute it and/or modify it
9
* under the terms of the GNU General Public License as published by the Free
10
* Software Foundation; either version 2 of the License, or (at your option)
11
* any later version.
12
*
13
*/
14
#include <linux/types.h>
15
#include <linux/crypto.h>
16
#include <linux/errno.h>
17
#include <linux/string.h>
18
#include "internal.h"
19
20
static int crypto_compress(struct crypto_tfm *tfm,
21
const u8 *src, unsigned int slen,
22
u8 *dst, unsigned int *dlen)
23
{
24
return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst,
25
dlen);
26
}
27
28
static int crypto_decompress(struct crypto_tfm *tfm,
29
const u8 *src, unsigned int slen,
30
u8 *dst, unsigned int *dlen)
31
{
32
return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst,
33
dlen);
34
}
35
36
int crypto_init_compress_ops(struct crypto_tfm *tfm)
37
{
38
struct compress_tfm *ops = &tfm->crt_compress;
39
40
ops->cot_compress = crypto_compress;
41
ops->cot_decompress = crypto_decompress;
42
43
return 0;
44
}
45
46
void crypto_exit_compress_ops(struct crypto_tfm *tfm)
47
{
48
}
49
50