blob: c33f0763a956a2a99302963cdeebd67e64fe8c4d
1 | /* |
2 | * Cryptographic API. |
3 | * |
4 | * Compression operations. |
5 | * |
6 | * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> |
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 |