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Merge branch 'for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
[mirror_ubuntu-artful-kernel.git] / crypto / compress.c
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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)
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11 * any later version.
12 *
13 */
14#include <linux/types.h>
15#include <linux/crypto.h>
16#include <linux/errno.h>
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17#include <linux/string.h>
18#include "internal.h"
19
20static 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,
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25 dlen);
26}
27
28static 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,
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33 dlen);
34}
35
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36int crypto_init_compress_ops(struct crypto_tfm *tfm)
37{
1da177e4 38 struct compress_tfm *ops = &tfm->crt_compress;
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39
40 ops->cot_compress = crypto_compress;
41 ops->cot_decompress = crypto_decompress;
0375d66d 42
c7fc0599 43 return 0;
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44}
45
46void crypto_exit_compress_ops(struct crypto_tfm *tfm)
47{
1da177e4 48}