compress.c 921 B

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