root/crypto/compress.c

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DEFINITIONS

This source file includes following definitions.
  1. crypto_compress
  2. crypto_decompress
  3. crypto_init_compress_ops

   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 
  15 static 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 
  23 static 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 
  31 int 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 }

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