src/common/aes.h

   1 /* Copyright (c) 2003, Roger Dingledine
   2  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   3  * Copyright (c) 2007-2013, 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 struct aes_cnt_cipher;
  17 typedef struct aes_cnt_cipher aes_cnt_cipher_t;
  18
  19 aes_cnt_cipher_t* aes_new_cipher(const char *key, const char *iv);
  20 void aes_cipher_free(aes_cnt_cipher_t *cipher);
  21 void aes_crypt(aes_cnt_cipher_t *cipher, const char *input, size_t len,
  22                char *output);
  23 void aes_crypt_inplace(aes_cnt_cipher_t *cipher, char *data, size_t len);
  24
  25 int evaluate_evp_for_aes(int force_value);
  26 int evaluate_ctr_for_aes(void);
  27
  28 #endif
  29