IABSD.fr/src/sys/crypto/aes.h

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• Author : tobhe
  Date : 2020-07-22 13:54:30
  Hash : 6a126883
  Message : Add missing CVS tags. ok patrick@

• sys/crypto/aes.h

• /*	$OpenBSD: aes.h,v 1.4 2020/07/22 13:54:30 tobhe Exp $	*/
  /*
   * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
   * Copyright (c) 2016 Mike Belopuhov
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  #ifndef _AES_H_
  #define _AES_H_
  
  #ifndef AES_MAXROUNDS
  #define AES_MAXROUNDS	(14)
  #endif
  
  typedef struct aes_ctx {
  	uint32_t sk[60];
  	uint32_t sk_exp[120];
  
  	unsigned num_rounds;
  } AES_CTX;
  
  int	AES_Setkey(AES_CTX *, const uint8_t *, int);
  void	AES_Encrypt(AES_CTX *, const uint8_t *, uint8_t *);
  void	AES_Decrypt(AES_CTX *, const uint8_t *, uint8_t *);
  void	AES_Encrypt_ECB(AES_CTX *, const uint8_t *, uint8_t *, size_t);
  void	AES_Decrypt_ECB(AES_CTX *, const uint8_t *, uint8_t *, size_t);
  
  int	AES_KeySetup_Encrypt(uint32_t *, const uint8_t *, int);
  int	AES_KeySetup_Decrypt(uint32_t *, const uint8_t *, int);
  
  #endif	/* _AES_H_ */