mirror of
https://github.com/torvalds/linux.git
synced 2024-11-16 00:52:01 +00:00
2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Cryptographic API.
|
|
*
|
|
* Compression operations.
|
|
*
|
|
* Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
|
|
*/
|
|
#include <linux/types.h>
|
|
#include <linux/crypto.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/string.h>
|
|
#include "internal.h"
|
|
|
|
static int crypto_compress(struct crypto_tfm *tfm,
|
|
const u8 *src, unsigned int slen,
|
|
u8 *dst, unsigned int *dlen)
|
|
{
|
|
return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst,
|
|
dlen);
|
|
}
|
|
|
|
static int crypto_decompress(struct crypto_tfm *tfm,
|
|
const u8 *src, unsigned int slen,
|
|
u8 *dst, unsigned int *dlen)
|
|
{
|
|
return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst,
|
|
dlen);
|
|
}
|
|
|
|
int crypto_init_compress_ops(struct crypto_tfm *tfm)
|
|
{
|
|
struct compress_tfm *ops = &tfm->crt_compress;
|
|
|
|
ops->cot_compress = crypto_compress;
|
|
ops->cot_decompress = crypto_decompress;
|
|
|
|
return 0;
|
|
}
|