linux/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
  10 * Software Foundation; either version 2 of the License, or (at your option)
  11 * any later version.
  12 *
  13 */
  14#include <linux/types.h>
  15#include <linux/crypto.h>
  16#include <linux/errno.h>
  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{
  24        return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst,
  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{
  32        return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst,
  33                                                           dlen);
  34}
  35
  36int crypto_init_compress_ops(struct crypto_tfm *tfm)
  37{
  38        struct compress_tfm *ops = &tfm->crt_compress;
  39
  40        ops->cot_compress = crypto_compress;
  41        ops->cot_decompress = crypto_decompress;
  42
  43        return 0;
  44}
  45
  46void crypto_exit_compress_ops(struct crypto_tfm *tfm)
  47{
  48}
  49
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