cmll_cfb.c 1.6 KB

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  1. /*
  2. * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the Apache License 2.0 (the "License"). You may not use
  5. * this file except in compliance with the License. You can obtain a copy
  6. * in the file LICENSE in the source distribution or at
  7. * https://www.openssl.org/source/license.html
  8. */
  9. #include <openssl/camellia.h>
  10. #include <openssl/modes.h>
  11. /*
  12. * The input and output encrypted as though 128bit cfb mode is being used.
  13. * The extra state information to record how much of the 128bit block we have
  14. * used is contained in *num;
  15. */
  16. void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
  17. size_t length, const CAMELLIA_KEY *key,
  18. unsigned char *ivec, int *num, const int enc)
  19. {
  20. CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
  21. (block128_f) Camellia_encrypt);
  22. }
  23. /* N.B. This expects the input to be packed, MS bit first */
  24. void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
  25. size_t length, const CAMELLIA_KEY *key,
  26. unsigned char *ivec, int *num, const int enc)
  27. {
  28. CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc,
  29. (block128_f) Camellia_encrypt);
  30. }
  31. void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
  32. size_t length, const CAMELLIA_KEY *key,
  33. unsigned char *ivec, int *num, const int enc)
  34. {
  35. CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc,
  36. (block128_f) Camellia_encrypt);
  37. }