| /* $OpenBSD: rijndael.h,v 1.7 2001/03/01 03:38:33 deraadt Exp $ */ |
| |
| /* This is an independent implementation of the encryption algorithm: */ |
| /* */ |
| /* RIJNDAEL by Joan Daemen and Vincent Rijmen */ |
| /* */ |
| /* which is a candidate algorithm in the Advanced Encryption Standard */ |
| /* programme of the US National Institute of Standards and Technology. */ |
| /* */ |
| /* Copyright in this implementation is held by Dr B R Gladman but I */ |
| /* hereby give permission for its free direct or derivative use subject */ |
| /* to acknowledgment of its origin and compliance with any conditions */ |
| /* that the originators of the algorithm place on its exploitation. */ |
| /* */ |
| /* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999 */ |
| |
| #ifndef _RIJNDAEL_H_ |
| #define _RIJNDAEL_H_ |
| |
| #include "config.h" |
| |
| /* 1. Standard types for AES cryptography source code */ |
| |
| typedef u_int8_t u1byte; /* an 8 bit unsigned character type */ |
| typedef u_int16_t u2byte; /* a 16 bit unsigned integer type */ |
| typedef u_int32_t u4byte; /* a 32 bit unsigned integer type */ |
| |
| typedef int8_t s1byte; /* an 8 bit signed character type */ |
| typedef int16_t s2byte; /* a 16 bit signed integer type */ |
| typedef int32_t s4byte; /* a 32 bit signed integer type */ |
| |
| typedef struct _rijndael_ctx { |
| u4byte k_len; |
| int decrypt; |
| u4byte e_key[64]; |
| u4byte d_key[64]; |
| } rijndael_ctx; |
| |
| |
| /* 2. Standard interface for AES cryptographic routines */ |
| |
| /* These are all based on 32 bit unsigned values and will therefore */ |
| /* require endian conversions for big-endian architectures */ |
| |
| rijndael_ctx *rijndael_set_key __P((rijndael_ctx *, const u4byte *, u4byte, int)); |
| void rijndael_encrypt __P((rijndael_ctx *, const u4byte *, u4byte *)); |
| void rijndael_decrypt __P((rijndael_ctx *, const u4byte *, u4byte *)); |
| |
| #endif /* _RIJNDAEL_H_ */ |
