crypto/compress.c

   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/crypto.h>
  10 #include "internal.h"
  11
  12 int crypto_comp_compress(struct crypto_comp *comp,
  13                          const u8 *src, unsigned int slen,
  14                          u8 *dst, unsigned int *dlen)
  15 {
  16         struct crypto_tfm *tfm = crypto_comp_tfm(comp);
  17
  18         return tfm->__crt_alg->cra_compress.coa_compress(tfm, src, slen, dst,
  19                                                          dlen);
  20 }
  21 EXPORT_SYMBOL_GPL(crypto_comp_compress);
  22
  23 int crypto_comp_decompress(struct crypto_comp *comp,
  24                            const u8 *src, unsigned int slen,
  25                            u8 *dst, unsigned int *dlen)
  26 {
  27         struct crypto_tfm *tfm = crypto_comp_tfm(comp);
  28
  29         return tfm->__crt_alg->cra_compress.coa_decompress(tfm, src, slen, dst,
  30                                                            dlen);
  31 }
  32 EXPORT_SYMBOL_GPL(crypto_comp_decompress);