[Internal] AES encoding / decoding rijndael-alg-fst.h v2.0 August '99 Optimised ANSI C code taken from the 'aescrypt' project: www.sf.net/projects/aescrypt See LICENSE-EST for the license applicable to this file More...

#include <stdio.h>

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Classes
struct	keyInstance
struct	cipherInstance
Defines
#define	MAXKC (256/32)
#define	MAXROUNDS 14
#define	__RIJNDAEL_API_H
#define	DIR_ENCRYPT 0
#define	DIR_DECRYPT 1
#define	MODE_ECB 1
#define	MODE_CBC 2
#define	MODE_CFB1 3
#define	TRUE 1
#define	FALSE 0
#define	BITSPERBLOCK 128
#define	BAD_KEY_DIR -1
#define	BAD_KEY_MAT -2
#define	BAD_KEY_INSTANCE -3
#define	BAD_CIPHER_MODE -4
#define	BAD_CIPHER_STATE -5
#define	BAD_BLOCK_LENGTH -6
#define	BAD_CIPHER_INSTANCE -7
#define	MAX_KEY_SIZE 32
#define	MAX_IV_SIZE 16
Typedefs
typedef unsigned char	word8
typedef unsigned short	word16
typedef unsigned int	word32
typedef unsigned char	BYTE
Functions
int	rijndaelKeySched (word8 k[MAXKC][4], int keyBits, word8 rk[MAXROUNDS+1][4][4])
int	rijndaelKeyEnctoDec (int keyBits, word8 W[MAXROUNDS+1][4][4])
int	rijndaelEncrypt (word8 a[16], word8 b[16], word8 rk[MAXROUNDS+1][4][4])
int	rijndaelEncryptRound (word8 a[4][4], word8 rk[MAXROUNDS+1][4][4], int rounds)
int	rijndaelDecrypt (word8 a[16], word8 b[16], word8 rk[MAXROUNDS+1][4][4])
int	rijndaelDecryptRound (word8 a[4][4], word8 rk[MAXROUNDS+1][4][4], int rounds)
int	makeKey (keyInstance key, BYTE direction, int keyLen, char keyMaterial)
int	cipherInit (cipherInstance cipher, BYTE mode, char IV)
int	blockEncrypt (cipherInstance cipher, keyInstance key, BYTE input, int inputLen, BYTE outBuffer)
int	blockDecrypt (cipherInstance cipher, keyInstance key, BYTE input, int inputLen, BYTE outBuffer)
int	cipherUpdateRounds (cipherInstance cipher, keyInstance key, BYTE input, int inputLen, BYTE outBuffer, int Rounds)

Detailed Description

[Internal] AES encoding / decoding rijndael-alg-fst.h v2.0 August '99 Optimised ANSI C code taken from the 'aescrypt' project: www.sf.net/projects/aescrypt See LICENSE-EST for the license applicable to this file

Definition in file Rijndael.h.

Define Documentation

#define __RIJNDAEL_API_H

Definition at line 45 of file Rijndael.h.

#define BAD_BLOCK_LENGTH -6

Definition at line 74 of file Rijndael.h.

#define BAD_CIPHER_INSTANCE -7

Definition at line 75 of file Rijndael.h.

#define BAD_CIPHER_MODE -4

Definition at line 72 of file Rijndael.h.

#define BAD_CIPHER_STATE -5

Definition at line 73 of file Rijndael.h.

#define BAD_KEY_DIR -1

Definition at line 69 of file Rijndael.h.

#define BAD_KEY_INSTANCE -3

Definition at line 71 of file Rijndael.h.

#define BAD_KEY_MAT -2

Definition at line 70 of file Rijndael.h.

#define BITSPERBLOCK 128

Definition at line 66 of file Rijndael.h.

#define DIR_DECRYPT 1

Definition at line 56 of file Rijndael.h.

#define DIR_ENCRYPT 0

Definition at line 55 of file Rijndael.h.

#define FALSE 0

Definition at line 64 of file Rijndael.h.

#define MAX_IV_SIZE 16

Definition at line 81 of file Rijndael.h.

#define MAX_KEY_SIZE 32

Definition at line 80 of file Rijndael.h.

#define MAXKC (256/32)

Note:

Although the routines claim to support 192 and 256 bit blocks, don't take your chances - stick to the 128 bit (16 byte) blocks unless you've run tests to prove that 192 and 256 are correctly supported.