A local copy of OpenSSL from GitHub
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

49 lines
1.7 KiB

  1. /*
  2. * Copyright 2002-2020 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. /*
  10. * AES_encrypt is deprecated - but we need to use it to implement these other
  11. * deprecated APIs.
  12. */
  13. #include "internal/deprecated.h"
  14. #include <openssl/aes.h>
  15. #include <openssl/modes.h>
  16. /*
  17. * The input and output encrypted as though 128bit cfb mode is being used.
  18. * The extra state information to record how much of the 128bit block we have
  19. * used is contained in *num;
  20. */
  21. void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
  22. size_t length, const AES_KEY *key,
  23. unsigned char *ivec, int *num, const int enc)
  24. {
  25. CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
  26. (block128_f) AES_encrypt);
  27. }
  28. /* N.B. This expects the input to be packed, MS bit first */
  29. void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
  30. size_t length, const AES_KEY *key,
  31. unsigned char *ivec, int *num, const int enc)
  32. {
  33. CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc,
  34. (block128_f) AES_encrypt);
  35. }
  36. void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
  37. size_t length, const AES_KEY *key,
  38. unsigned char *ivec, int *num, const int enc)
  39. {
  40. CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc,
  41. (block128_f) AES_encrypt);
  42. }