src/lib/crypt_ops/aes.h

   1 /* Copyright (c) 2003, Roger Dingledine
   2  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
   3  * Copyright (c) 2007-2020, 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 "lib/cc/torint.h"
  17 #include "lib/malloc/malloc.h"
  18
  19 typedef struct aes_cnt_cipher_t aes_cnt_cipher_t;
  20
  21 aes_cnt_cipher_t* aes_new_cipher(const uint8_t *key, const uint8_t *iv,
  22                                  int key_bits);
  23 void aes_cipher_free_(aes_cnt_cipher_t *cipher);
  24 #define aes_cipher_free(cipher) \
  25   FREE_AND_NULL(aes_cnt_cipher_t, aes_cipher_free_, (cipher))
  26 void aes_crypt_inplace(aes_cnt_cipher_t *cipher, char *data, size_t len);
  27
  28 int evaluate_evp_for_aes(int force_value);
  29 int evaluate_ctr_for_aes(void);
  30
  31 #endif /* !defined(TOR_AES_H) */