tor/src/common/aes.h
Nick Mathewson eecc44dab8 r17963@catbus: nickm | 2008-02-07 10:14:25 -0500
Be more thorough about memory poisoning and clearing.  Add an in-place version of aes_crypt in order to remove a memcpy from relay_crypt_one_payload.


svn:r13414
2008-02-07 16:10:33 +00:00

33 lines
879 B
C

/* Copyright (c) 2003, Roger Dingledine
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2008, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/* $Id$ */
/* Implements a minimal interface to counter-mode AES. */
#ifndef __AES_H
#define __AES_H
#define AES_H_ID "$Id$"
/**
* \file aes.h
* \brief Headers for aes.c
*/
#include "torint.h"
struct aes_cnt_cipher;
typedef struct aes_cnt_cipher aes_cnt_cipher_t;
aes_cnt_cipher_t* aes_new_cipher(void);
void aes_free_cipher(aes_cnt_cipher_t *cipher);
void aes_set_key(aes_cnt_cipher_t *cipher, const char *key, int key_bits);
void aes_crypt(aes_cnt_cipher_t *cipher, const char *input, size_t len,
char *output);
void aes_crypt_inplace(aes_cnt_cipher_t *cipher, char *data, size_t len);
void aes_set_iv(aes_cnt_cipher_t *cipher, const char *iv);
#endif