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1da177e4 LT |
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 | |
0375d66d | 10 | * Software Foundation; either version 2 of the License, or (at your option) |
1da177e4 LT |
11 | * any later version. |
12 | * | |
13 | */ | |
14 | #include <linux/types.h> | |
15 | #include <linux/crypto.h> | |
16 | #include <linux/errno.h> | |
1da177e4 LT |
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 | { | |
6c2bb98b | 24 | return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst, |
1da177e4 LT |
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 | { | |
6c2bb98b | 32 | return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst, |
1da177e4 LT |
33 | dlen); |
34 | } | |
35 | ||
1da177e4 LT |
36 | int crypto_init_compress_ops(struct crypto_tfm *tfm) |
37 | { | |
1da177e4 | 38 | struct compress_tfm *ops = &tfm->crt_compress; |
1da177e4 LT |
39 | |
40 | ops->cot_compress = crypto_compress; | |
41 | ops->cot_decompress = crypto_decompress; | |
0375d66d | 42 | |
c7fc0599 | 43 | return 0; |
1da177e4 | 44 | } |