- markus@cvs.openbsd.org 2000/12/06 23:10:39

     [rijndael.c]
     unexpand(1)
   - markus@cvs.openbsd.org 2000/12/06 23:05:43
     [cipher.c cipher.h rijndael.c rijndael.h rijndael_boxes.h]
     new rijndael implementation. fixes endian bugs

1 files changed, 21 insertions, 27 deletions

diff --git a/rijndael.h b/rijndael.h
index 09c42574..75853cff 100644
--- a/rijndael.h
+++ b/rijndael.h
@@ -1,33 +1,27 @@
-#ifndef _RIJNDAEL_H_
-#define _RIJNDAEL_H_
+/*
+ * rijndael-alg-fst.h   v2.4   April '2000
+ * rijndael-api-fst.h   v2.4   April '2000
+ *
+ * Optimised ANSI C code
+ *
+ */
 
-#include "config.h"
+#ifndef RIJNDAEL_H
+#define RIJNDAEL_H
 
-/* 1. Standard types for AES cryptography source code               */
+#define RIJNDAEL_MAXKC		(256/32)
+#define RIJNDAEL_MAXROUNDS	14
 
-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   */
+#define	RIJNDAEL_ENCRYPT	0
+#define	RIJNDAEL_DECRYPT	1
 
-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 {
+	int ROUNDS;		/* key-length-dependent number of rounds */
+	u_int8_t keySched[RIJNDAEL_MAXROUNDS+1][4][4];
+} rijndael_key;
 
-typedef struct _rijndael_ctx {
-	u4byte  k_len;
-	int decrypt;
-	u4byte  e_key[64];
-	u4byte  d_key[64];
-} rijndael_ctx;
+int rijndael_encrypt(rijndael_key *key, u_int8_t a[16], u_int8_t b[16]);
+int rijndael_decrypt(rijndael_key *key, u_int8_t a[16], u_int8_t b[16]);
+int rijndael_makekey(rijndael_key *key, int direction, int keyLen, u_int8_t *keyMaterial);
 
-
-/* 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_ */
+#endif