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Viewing changes to contrib/pgcrypto/rijndael.h

  • Committer: Bazaar Package Importer
  • Author(s): Martin Pitt
  • Date: 2009-03-20 12:00:13 UTC
  • Revision ID: james.westby@ubuntu.com-20090320120013-hogj7egc5mjncc5g
Tags: upstream-8.4~0cvs20090328
Import upstream version 8.4~0cvs20090328

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contrib/pgcrypto/rijndael.h
 
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/*
 
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 * $PostgreSQL:$ 
 
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 *
 
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 *      $OpenBSD$ */
 
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/* This is an independent implementation of the encryption algorithm:   */
 
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/*                                                                                                                                              */
 
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/*                 RIJNDAEL by Joan Daemen and Vincent Rijmen                                   */
 
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/*                                                                                                                                              */
 
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/* which is a candidate algorithm in the Advanced Encryption Standard   */
 
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/* programme of the US National Institute of Standards and Technology.  */
 
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/*                                                                                                                                              */
 
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/* Copyright in this implementation is held by Dr B R Gladman but I             */
 
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/* hereby give permission for its free direct or derivative use subject */
 
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/* to acknowledgment of its origin and compliance with any conditions   */
 
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/* that the originators of the algorithm place on its exploitation.             */
 
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/*                                                                                                                                              */
 
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/* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999             */
 
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#ifndef _RIJNDAEL_H_
 
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#define _RIJNDAEL_H_
 
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/* 1. Standard types for AES cryptography source code                           */
 
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typedef uint8 u1byte;                   /* an 8 bit unsigned character type */
 
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typedef uint16 u2byte;                  /* a 16 bit unsigned integer type       */
 
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typedef uint32 u4byte;                  /* a 32 bit unsigned integer type       */
 
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typedef int8 s1byte;                    /* an 8 bit signed character type       */
 
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typedef int16 s2byte;                   /* a 16 bit signed integer type         */
 
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typedef int32 s4byte;                   /* a 32 bit signed integer type         */
 
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typedef struct _rijndael_ctx
 
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{
 
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        u4byte          k_len;
 
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        int                     decrypt;
 
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        u4byte          e_key[64];
 
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        u4byte          d_key[64];
 
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}       rijndael_ctx;
 
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/* 2. Standard interface for AES cryptographic routines                         */
 
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/* These are all based on 32 bit unsigned values and will therefore */
 
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/* require endian conversions for big-endian architectures                      */
 
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rijndael_ctx *
 
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                        rijndael_set_key(rijndael_ctx *, const u4byte *, const u4byte, int);
 
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void            rijndael_encrypt(rijndael_ctx *, const u4byte *, u4byte *);
 
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void            rijndael_decrypt(rijndael_ctx *, const u4byte *, u4byte *);
 
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/* conventional interface */
 
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void            aes_set_key(rijndael_ctx * ctx, const uint8 *key, unsigned keybits, int enc);
 
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void            aes_ecb_encrypt(rijndael_ctx * ctx, uint8 *data, unsigned len);
 
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void            aes_ecb_decrypt(rijndael_ctx * ctx, uint8 *data, unsigned len);
 
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void            aes_cbc_encrypt(rijndael_ctx * ctx, uint8 *iva, uint8 *data, unsigned len);
 
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void            aes_cbc_decrypt(rijndael_ctx * ctx, uint8 *iva, uint8 *data, unsigned len);
 
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#endif   /* _RIJNDAEL_H_ */