crypto/compress.c at v5.3 · tjh.dev/kernel

tjh.dev / kernel

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

kernel / crypto / compress.c

at v5.3 1.1 kB view raw

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