aes.h 866 B

123456789101112131415161718192021222324252627282930313233343536
  1. /* Copyright 2003 Roger Dingledine */
  2. /* See LICENSE for licensing information */
  3. /* $Id$ */
  4. /* Implements a minimal interface to counter-mode AES. */
  5. #ifndef __AES_H
  6. #define __AES_H
  7. /**
  8. * \file aes.h
  9. * \brief Headers for aes.c
  10. */
  11. #include "../common/torint.h"
  12. struct aes_cnt_cipher;
  13. typedef struct aes_cnt_cipher aes_cnt_cipher_t;
  14. aes_cnt_cipher_t* aes_new_cipher();
  15. void aes_free_cipher(aes_cnt_cipher_t *cipher);
  16. void aes_set_key(aes_cnt_cipher_t *cipher, const unsigned char *key, int key_bits);
  17. void aes_crypt(aes_cnt_cipher_t *cipher, const char *input, int len, char *output);
  18. uint64_t aes_get_counter(aes_cnt_cipher_t *cipher);
  19. void aes_set_counter(aes_cnt_cipher_t *cipher, uint64_t counter);
  20. void aes_adjust_counter(aes_cnt_cipher_t *cipher, long delta);
  21. #endif
  22. /*
  23. Local Variables:
  24. mode:c
  25. indent-tabs-mode:nil
  26. c-basic-offset:2
  27. End:
  28. */