/*	rijndael-api.h - Rijndael encryption programming interface. *							Author: Kees J. Bot *								3 Nov 2000 * Heavily based on the original API code by Antoon Bosselaers, * Vincent Rijmen, and Paulo Barreto, but with a different interface. * * This code (.h and .c) is in the public domain. */#ifndef __RIJNDAEL_API_H#define __RIJNDAEL_API_H/* Error codes. */#define RD_BAD_KEY_MAT	    -1	/* Key material not of correct length */#define RD_BAD_BLOCK_LENGTH -2	/* Data is not a block multiple */#define RD_BAD_DATA	    -3	/* Data contents are invalid (bad padding?) *//* Key information. */#define RD_KEY_HEX	    -1	/* Key is in hex (otherwise octet length) */#define RD_MAXROUNDS	    14	/* Max number of encryption rounds. */typedef struct {	int	rounds;		/* Key-length-dependent number of rounds */	unsigned char encsched[RD_MAXROUNDS+1][4][4];	/* Encr key schedule */	unsigned char decsched[RD_MAXROUNDS+1][4][4];	/* Decr key schedule */} rd_keyinstance;/* Function prototypes. */int rijndael_makekey(rd_keyinstance *_key,	size_t _keylen, const void *_keymaterial);ssize_t rijndael_ecb_encrypt(rd_keyinstance *_key,	const void *_input, void *_output, size_t _length, void *_dummyIV);ssize_t rijndael_ecb_decrypt(rd_keyinstance *_key,	const void *_input, void *_output, size_t _length, void *_dummyIV);ssize_t rijndael_cbc_encrypt(rd_keyinstance *_key,	const void *_input, void *_output, size_t _length, void *_IV);ssize_t rijndael_cbc_decrypt(rd_keyinstance *_key,	const void *_input, void *_output, size_t _length, void *_IV);ssize_t rijndael_cfb1_encrypt(rd_keyinstance *_key,	const void *_input, void *_output, size_t _length, void *_IV);ssize_t rijndael_cfb1_decrypt(rd_keyinstance *_key,	const void *_input, void *_output, size_t _length, void *_IV);ssize_t rijndael_cfb8_encrypt(rd_keyinstance *_key,	const void *_input, void *_output, size_t _length, void *_IV);ssize_t rijndael_cfb8_decrypt(rd_keyinstance *_key,	const void *_input, void *_output, size_t _length, void *_IV);ssize_t rijndael_pad(void *_input, size_t _length);ssize_t rijndael_unpad(const void *_input, size_t _length);typedef ssize_t (*rd_function)(rd_keyinstance *_key,	const void *_input, void *_output, size_t _length, void *_IV);#ifdef INTERMEDIATE_VALUE_KATvoid cipherEncryptUpdateRounds(rd_keyinstance *key,	const void *input, void *output, int rounds);void cipherDecryptUpdateRounds(rd_keyinstance *key,	const void *input, void *output, int rounds);#endif /* INTERMEDIATE_VALUE_KAT */#endif /* __RIJNDAEL_API_H *//* * $PchId: rijndael-api.h,v 1.2 2001/01/10 22:02:21 philip Exp $ */