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Annotation of src/usr.bin/ssh/rijndael.h, Revision 1.8

1.8     ! markus      1: /*     $OpenBSD: rijndael.h,v 1.7 2001/03/01 03:38:33 deraadt Exp $    */
1.7       deraadt     2:
                      3: /* This is an independent implementation of the encryption algorithm:   */
                      4: /*                                                                      */
                      5: /*         RIJNDAEL by Joan Daemen and Vincent Rijmen                   */
                      6: /*                                                                      */
                      7: /* which is a candidate algorithm in the Advanced Encryption Standard   */
                      8: /* programme of the US National Institute of Standards and Technology.  */
                      9: /*                                                                      */
                     10: /* Copyright in this implementation is held by Dr B R Gladman but I     */
                     11: /* hereby give permission for its free direct or derivative use subject */
                     12: /* to acknowledgment of its origin and compliance with any conditions   */
                     13: /* that the originators of the algorithm place on its exploitation.     */
                     14: /*                                                                      */
                     15: /* Dr Brian Gladman (gladman@seven77.demon.co.uk) 14th January 1999     */
1.6       niklas     16:
1.3       markus     17: #ifndef _RIJNDAEL_H_
                     18: #define _RIJNDAEL_H_
1.1       markus     19:
1.3       markus     20: /* 1. Standard types for AES cryptography source code               */
                     21:
1.5       markus     22: typedef u_int8_t   u1byte; /* an 8 bit unsigned character type */
                     23: typedef u_int16_t  u2byte; /* a 16 bit unsigned integer type   */
                     24: typedef u_int32_t  u4byte; /* a 32 bit unsigned integer type   */
1.3       markus     25:
                     26: typedef int8_t     s1byte; /* an 8 bit signed character type   */
                     27: typedef int16_t    s2byte; /* a 16 bit signed integer type     */
                     28: typedef int32_t    s4byte; /* a 32 bit signed integer type     */
                     29:
                     30: typedef struct _rijndael_ctx {
                     31:        u4byte  k_len;
                     32:        int decrypt;
                     33:        u4byte  e_key[64];
                     34:        u4byte  d_key[64];
                     35: } rijndael_ctx;
                     36:
                     37:
                     38: /* 2. Standard interface for AES cryptographic routines             */
                     39:
1.5       markus     40: /* These are all based on 32 bit unsigned values and will therefore */
1.3       markus     41: /* require endian conversions for big-endian architectures          */
                     42:
1.8     ! markus     43: rijndael_ctx *
        !            44: rijndael_set_key __P((rijndael_ctx *, const u4byte *, const u4byte, int));
1.3       markus     45: void rijndael_encrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
                     46: void rijndael_decrypt __P((rijndael_ctx *, const u4byte *, u4byte *));
                     47:
                     48: #endif /* _RIJNDAEL_H_ */