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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * Cryptographic API. | |
4 | * | |
5 | * Compression operations. | |
6 | * | |
7 | * Copyright (c) 2002 James Morris <[email protected]> | |
1da177e4 LT |
8 | */ |
9 | #include <linux/types.h> | |
10 | #include <linux/crypto.h> | |
11 | #include <linux/errno.h> | |
1da177e4 LT |
12 | #include <linux/string.h> |
13 | #include "internal.h" | |
14 | ||
15 | static int crypto_compress(struct crypto_tfm *tfm, | |
16 | const u8 *src, unsigned int slen, | |
17 | u8 *dst, unsigned int *dlen) | |
18 | { | |
6c2bb98b | 19 | return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst, |
1da177e4 LT |
20 | dlen); |
21 | } | |
22 | ||
23 | static int crypto_decompress(struct crypto_tfm *tfm, | |
24 | const u8 *src, unsigned int slen, | |
25 | u8 *dst, unsigned int *dlen) | |
26 | { | |
6c2bb98b | 27 | return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst, |
1da177e4 LT |
28 | dlen); |
29 | } | |
30 | ||
1da177e4 LT |
31 | int crypto_init_compress_ops(struct crypto_tfm *tfm) |
32 | { | |
1da177e4 | 33 | struct compress_tfm *ops = &tfm->crt_compress; |
1da177e4 LT |
34 | |
35 | ops->cot_compress = crypto_compress; | |
36 | ops->cot_decompress = crypto_decompress; | |
0375d66d | 37 | |
c7fc0599 | 38 | return 0; |
1da177e4 | 39 | } |