src/usr.bin/ssh/rijndael.h - diff

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Diff for /src/usr.bin/ssh/rijndael.h between version 1.2 and 1.3

-version 1.2, 2000/12/06 23:05:43
+version 1.3, 2000/12/09 13:41:52
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- /*
+ #ifndef _RIJNDAEL_H_
-  * rijndael-alg-fst.h   v2.4   April '2000
+ #define _RIJNDAEL_H_
-  * rijndael-api-fst.h   v2.4   April '2000
-  *
-  * Optimised ANSI C code
-  *
-  */
- #ifndef RIJNDAEL_H
+ /* 1. Standard types for AES cryptography source code               */
- #define RIJNDAEL_H
- #define RIJNDAEL_MAXKC          (256/32)
+ typedef u_int8_t   u1byte; /* an 8 bit unsigned character type */
- #define RIJNDAEL_MAXROUNDS      14
+ 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
+ typedef int8_t     s1byte; /* an 8 bit signed character type   */
- #define RIJNDAEL_DECRYPT        1
+ typedef int16_t    s2byte; /* a 16 bit signed integer type     */
+ typedef int32_t    s4byte; /* a 32 bit signed integer type     */
- typedef struct {
+ typedef struct _rijndael_ctx {
-         int ROUNDS;             /* key-length-dependent number of rounds */
+         u4byte  k_len;
-         u_int8_t keySched[RIJNDAEL_MAXROUNDS+1][4][4];
+         int decrypt;
- } rijndael_key;
+         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);
- #endif
+ /* 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_ */