kern/include/random/rijndael.h

   1 /*
   2  * contrib/pgcrypto/rijndael.h
   3  *
   4  *      $OpenBSD: rijndael.h,v 1.3 2001/05/09 23:01:32 markus Exp $ */
   5
   6 /* This is an independent implementation of the encryption algorithm:   */
   7 /*                                                                                                                                              */
   8 /*                 RIJNDAEL by Joan Daemen and Vincent Rijmen                                   */
   9 /*                                                                                                                                              */
  10 /* which is a candidate algorithm in the Advanced Encryption Standard   */
  11 /* programme of the US National Institute of Standards and Technology.  */
  12 /*                                                                                                                                              */
  13 /* Copyright in this implementation is held by Dr B R Gladman but I             */
  14 /* hereby give permission for its free direct or derivative use subject */
  15 /* to acknowledgment of its origin and compliance with any conditions   */
  16 /* that the originators of the algorithm place on its exploitation.             */
  17 /*                                                                                                                                              */
  18 /* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999             */
  19
  20 typedef struct rijndaelCtx rijndaelCtx;
  21
  22 struct rijndaelCtx {
  23         uint32_t k_len;
  24         int decrypt;
  25         uint32_t e_key[64];
  26         uint32_t d_key[64];
  27 };
  28
  29 /* Standard interface for AES cryptographic routines                            */
  30
  31 /* These are all based on 32 bit unsigned values and will therefore */
  32 /* require endian conversions for big-endian architectures                      */
  33
  34 rijndaelCtx *rijndael_set_key(rijndaelCtx *, const uint32_t *, const uint32_t,
  35                                                           int);
  36 void rijndael_encrypt(rijndaelCtx *, const uint32_t *, uint32_t *);
  37 void rijndael_decrypt(rijndaelCtx *, const uint32_t *, uint32_t *);
  38
  39 /* conventional interface */
  40
  41 void aes_set_key(rijndaelCtx *ctx, const uint8_t *key, unsigned keybits,
  42                                  int enc);
  43 void aes_ecb_encrypt(rijndaelCtx *ctx, uint8_t *data, unsigned len);
  44 void aes_ecb_decrypt(rijndaelCtx *ctx, uint8_t *data, unsigned len);
  45 void aes_cbc_encrypt(rijndaelCtx *ctx, uint8_t *iva, uint8_t *data,
  46                                          unsigned len);
  47 void aes_cbc_decrypt(rijndaelCtx *ctx, uint8_t *iva, uint8_t *data,
  48                                          unsigned len);