aboutsummaryrefslogtreecommitdiff
path: root/src/common/aes.h
blob: 3c63a0e4f2704419084ea85c032d280aa271f711 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
/* Copyright 2003 Roger Dingledine */
/* See LICENSE for licensing information */
/* $Id$ */

/* Implements a minimal interface to counter-mode AES. */

#ifndef __AES_H
#define __AES_H

/**
 * \file aes.h
 * \brief Headers for aes.c
 */

#include "../common/torint.h"

struct aes_cnt_cipher;
typedef struct aes_cnt_cipher aes_cnt_cipher_t;

aes_cnt_cipher_t* aes_new_cipher();
void aes_free_cipher(aes_cnt_cipher_t *cipher);
void aes_set_key(aes_cnt_cipher_t *cipher, const unsigned char *key, int key_bits);
void aes_crypt(aes_cnt_cipher_t *cipher, const char *input, int len, char *output);
uint64_t aes_get_counter(aes_cnt_cipher_t *cipher);
void aes_set_counter(aes_cnt_cipher_t *cipher, uint64_t counter);
void aes_adjust_counter(aes_cnt_cipher_t *cipher, long delta);

#endif

/*
  Local Variables:
  mode:c
  indent-tabs-mode:nil
  c-basic-offset:2
  End:
*/