src/common/aes.h

   1 /* Copyright (c) 2003, Roger Dingledine
   2  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   3  * Copyright (c) 2007-2010, The Tor Project, Inc. */
   4 /* See LICENSE for licensing information */
   5
   6 /* Implements a minimal interface to counter-mode AES. */
   7
   8 #ifndef _TOR_AES_H
   9 #define _TOR_AES_H
  10
  11 /**
  12  * \file aes.h
  13  * \brief Headers for aes.c
  14  */
  15
  16 #include "torint.h"
  17
  18 struct aes_cnt_cipher;
  19 typedef struct aes_cnt_cipher aes_cnt_cipher_t;
  20
  21 aes_cnt_cipher_t* aes_new_cipher(void);
  22 void aes_free_cipher(aes_cnt_cipher_t *cipher);
  23 void aes_set_key(aes_cnt_cipher_t *cipher, const char *key, int key_bits);
  24 void aes_crypt(aes_cnt_cipher_t *cipher, const char *input, size_t len,
  25                char *output);
  26 void aes_crypt_inplace(aes_cnt_cipher_t *cipher, char *data, size_t len);
  27 void aes_set_iv(aes_cnt_cipher_t *cipher, const char *iv);
  28
  29 #endif
  30