linux/crypto/compress.c
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   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}
  40