src/common/aes.h

   1 /* Copyright (c) 2003, Roger Dingledine
   2  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   3  * Copyright (c) 2007-2008, The Tor Project, Inc. */
   4 /* See LICENSE for licensing information */
   5 /* $Id$ */
   6
   7 /* Implements a minimal interface to counter-mode AES. */
   8
   9 #ifndef __AES_H
  10 #define __AES_H
  11 #define AES_H_ID "$Id$"
  12
  13 /**
  14  * \file aes.h
  15  * \brief Headers for aes.c
  16  */
  17
  18 #include "torint.h"
  19
  20 struct aes_cnt_cipher;
  21 typedef struct aes_cnt_cipher aes_cnt_cipher_t;
  22
  23 aes_cnt_cipher_t* aes_new_cipher(void);
  24 void aes_free_cipher(aes_cnt_cipher_t *cipher);
  25 void aes_set_key(aes_cnt_cipher_t *cipher, const char *key, int key_bits);
  26 void aes_crypt(aes_cnt_cipher_t *cipher, const char *input, size_t len,
  27                char *output);
  28 void aes_crypt_inplace(aes_cnt_cipher_t *cipher, char *data, size_t len);
  29 void aes_set_iv(aes_cnt_cipher_t *cipher, const char *iv);
  30
  31 #endif
  32