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- /* Copyright 2003 Roger Dingledine
- * Copyright 2004-2007 Roger Dingledine, Nick Mathewson */
- /* 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 "../common/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);
- 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
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