1 /* $OpenBSD: rijndael.h,v 1.8 2001/05/09 23:01:31 markus Exp $ */
3 /* This is an independent implementation of the encryption algorithm: */
5 /* RIJNDAEL by Joan Daemen and Vincent Rijmen */
7 /* which is a candidate algorithm in the Advanced Encryption Standard */
8 /* programme of the US National Institute of Standards and Technology. */
10 /* Copyright in this implementation is held by Dr B R Gladman but I */
11 /* hereby give permission for its free direct or derivative use subject */
12 /* to acknowledgment of its origin and compliance with any conditions */
13 /* that the originators of the algorithm place on its exploitation. */
15 /* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999 */
22 /* 1. Standard types for AES cryptography source code */
24 typedef u_int8_t u1byte; /* an 8 bit unsigned character type */
25 typedef u_int16_t u2byte; /* a 16 bit unsigned integer type */
26 typedef u_int32_t u4byte; /* a 32 bit unsigned integer type */
28 typedef int8_t s1byte; /* an 8 bit signed character type */
29 typedef int16_t s2byte; /* a 16 bit signed integer type */
30 typedef int32_t s4byte; /* a 32 bit signed integer type */
32 typedef struct _rijndael_ctx {
40 /* 2. Standard interface for AES cryptographic routines */
42 /* These are all based on 32 bit unsigned values and will therefore */
43 /* require endian conversions for big-endian architectures */
46 rijndael_set_key __P((rijndael_ctx *, const u4byte *, const u4byte, int));
47 void rijndael_encrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
48 void rijndael_decrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
50 #endif /* _RIJNDAEL_H_ */