xref: /freebsd/sys/crypto/rijndael/rijndael-api-fst.h (revision 5129dcfce73c22ff1b0517daffd21ec5191430ab)
133841545SHajimu UMEMOTO /*	$FreeBSD$	*/
29132d507SHajimu UMEMOTO /*	$KAME: rijndael-api-fst.h,v 1.6 2001/05/27 00:23:23 itojun Exp $	*/
3fe2869c8SKris Kennaway 
49132d507SHajimu UMEMOTO /*
59132d507SHajimu UMEMOTO  * rijndael-api-fst.h   v2.3   April '2000
6fe2869c8SKris Kennaway  *
79132d507SHajimu UMEMOTO  * Optimised ANSI C code
8fe2869c8SKris Kennaway  *
9fe2869c8SKris Kennaway  */
10fe2869c8SKris Kennaway 
11fe2869c8SKris Kennaway #ifndef __RIJNDAEL_API_FST_H
12fe2869c8SKris Kennaway #define __RIJNDAEL_API_FST_H
13fe2869c8SKris Kennaway 
14fe2869c8SKris Kennaway #include <crypto/rijndael/rijndael-alg-fst.h>
15fe2869c8SKris Kennaway 
165129dcfcSHajimu UMEMOTO /*  Generic Defines  */
17fe2869c8SKris Kennaway #define     DIR_ENCRYPT           0 /*  Are we encrpyting?  */
18fe2869c8SKris Kennaway #define     DIR_DECRYPT           1 /*  Are we decrpyting?  */
19fe2869c8SKris Kennaway #define     MODE_ECB              1 /*  Are we ciphering in ECB mode?   */
20fe2869c8SKris Kennaway #define     MODE_CBC              2 /*  Are we ciphering in CBC mode?   */
21fe2869c8SKris Kennaway #define     MODE_CFB1             3 /*  Are we ciphering in 1-bit CFB mode? */
22fe2869c8SKris Kennaway #define     BITSPERBLOCK        128 /* Default number of bits in a cipher block */
23fe2869c8SKris Kennaway 
245129dcfcSHajimu UMEMOTO /*  Error Codes  */
25fe2869c8SKris Kennaway #define     BAD_KEY_DIR          -1 /*  Key direction is invalid, e.g., unknown value */
26fe2869c8SKris Kennaway #define     BAD_KEY_MAT          -2 /*  Key material not of correct length */
27fe2869c8SKris Kennaway #define     BAD_KEY_INSTANCE     -3 /*  Key passed is not valid */
28fe2869c8SKris Kennaway #define     BAD_CIPHER_MODE      -4 /*  Params struct passed to cipherInit invalid */
29fe2869c8SKris Kennaway #define     BAD_CIPHER_STATE     -5 /*  Cipher in wrong state (e.g., not initialized) */
30fe2869c8SKris Kennaway #define     BAD_BLOCK_LENGTH     -6
31fe2869c8SKris Kennaway #define     BAD_CIPHER_INSTANCE  -7
32fe2869c8SKris Kennaway #define     BAD_DATA             -8 /*  Data contents are invalid, e.g., invalid padding */
33fe2869c8SKris Kennaway #define     BAD_OTHER            -9 /*  Unknown error */
34fe2869c8SKris Kennaway 
355129dcfcSHajimu UMEMOTO /*  Algorithm-specific Defines  */
365129dcfcSHajimu UMEMOTO #define     RIJNDAEL_MAX_KEY_SIZE         64 /* # of ASCII char's needed to represent a key */
375129dcfcSHajimu UMEMOTO #define     RIJNDAEL_MAX_IV_SIZE          16 /* # bytes needed to represent an IV  */
38fe2869c8SKris Kennaway 
395129dcfcSHajimu UMEMOTO /*  Typedefs  */
40fe2869c8SKris Kennaway 
41fe2869c8SKris Kennaway /*  The structure for key information */
42fe2869c8SKris Kennaway typedef struct {
439132d507SHajimu UMEMOTO     u_int8_t  direction;            /* Key used for encrypting or decrypting? */
44fe2869c8SKris Kennaway     int   keyLen;                   /* Length of the key  */
455129dcfcSHajimu UMEMOTO     char  keyMaterial[RIJNDAEL_MAX_KEY_SIZE+1];  /* Raw key data in ASCII, e.g., user input or KAT values */
465129dcfcSHajimu UMEMOTO 	int   Nr;                       /* key-length-dependent number of rounds */
475129dcfcSHajimu UMEMOTO 	u_int32_t   rk[4*(RIJNDAEL_MAXNR + 1)];        /* key schedule */
485129dcfcSHajimu UMEMOTO 	u_int32_t   ek[4*(RIJNDAEL_MAXNR + 1)];        /* CFB1 key schedule (encryption only) */
49fe2869c8SKris Kennaway } keyInstance;
50fe2869c8SKris Kennaway 
51fe2869c8SKris Kennaway /*  The structure for cipher information */
52fe2869c8SKris Kennaway typedef struct {                    /* changed order of the components */
539132d507SHajimu UMEMOTO     u_int8_t mode;                  /* MODE_ECB, MODE_CBC, or MODE_CFB1 */
545129dcfcSHajimu UMEMOTO     u_int8_t IV[RIJNDAEL_MAX_IV_SIZE]; /* A possible Initialization Vector for ciphering */
55fe2869c8SKris Kennaway } cipherInstance;
56fe2869c8SKris Kennaway 
57fe2869c8SKris Kennaway /*  Function prototypes  */
58fe2869c8SKris Kennaway 
595129dcfcSHajimu UMEMOTO int rijndael_makeKey(keyInstance *, u_int8_t, int, char *);
60fe2869c8SKris Kennaway 
615129dcfcSHajimu UMEMOTO int rijndael_cipherInit(cipherInstance *, u_int8_t, char *);
62fe2869c8SKris Kennaway 
635129dcfcSHajimu UMEMOTO int rijndael_blockEncrypt(cipherInstance *, keyInstance *, u_int8_t *, int,
645129dcfcSHajimu UMEMOTO 	u_int8_t *);
655129dcfcSHajimu UMEMOTO int rijndael_padEncrypt(cipherInstance *, keyInstance *, u_int8_t *, int,
665129dcfcSHajimu UMEMOTO 	u_int8_t *);
67fe2869c8SKris Kennaway 
685129dcfcSHajimu UMEMOTO int rijndael_blockDecrypt(cipherInstance *, keyInstance *, u_int8_t *, int,
695129dcfcSHajimu UMEMOTO 	u_int8_t *);
705129dcfcSHajimu UMEMOTO int rijndael_padDecrypt(cipherInstance *, keyInstance *, u_int8_t *, int,
715129dcfcSHajimu UMEMOTO 	u_int8_t *);
72fe2869c8SKris Kennaway 
73fe2869c8SKris Kennaway #endif /*  __RIJNDAEL_API_FST_H */
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