Return to des_internal.h CVS log

Up to [CSRG BSD Unix] / 43BSDReno / kerberosIV / des

Annotation of 43BSDReno/kerberosIV/des/des_internal.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * $Source: /mit/kerberos/src/lib/des/RCS/des_internal.h,v $
        !             3:  * $Author: jtkohl $
        !             4:  * $Header: des_internal.h,v 4.1 88/11/15 11:09:05 jtkohl Exp $ 
        !             5:  *
        !             6:  * Copyright 1987, 1988 by the Massachusetts Institute of Technology.
        !             7:  *
        !             8:  * For copying and distribution information, please see the file
        !             9:  * <mit-copyright.h>.
        !            10:  *
        !            11:  * Private include file for the Data Encryption Standard library.
        !            12:  */
        !            13: 
        !            14: /* only do the whole thing once         */
        !            15: #ifndef DES_INTERNAL_DEFS
        !            16: #define DES_INTERNAL_DEFS
        !            17: 
        !            18: #include "conf.h"
        !            19: 
        !            20: /*
        !            21:  * number of iterations of the inner
        !            22:  * loop of the DES algorithm.  The
        !            23:  * standard is 16, but in case that is
        !            24:  * too slow, we might do less.  Of
        !            25:  * course, less also means less
        !            26:  * security.
        !            27:  */
        !            28: #define         AUTH_DES_ITER   16
        !            29: 
        !            30: #ifdef  BITS32
        !            31: /* these are for 32 bit machines */
        !            32: 
        !            33: typedef struct {
        !            34:     unsigned b0:6;
        !            35:     unsigned b1:6;
        !            36:     unsigned b2:6;
        !            37:     unsigned b3:6;
        !            38:     unsigned b4:6;
        !            39:     unsigned b5:2;
        !            40: }       sbox_in_a;
        !            41: 
        !            42: typedef struct {
        !            43:     unsigned b5:4;
        !            44:     unsigned b6:6;
        !            45:     unsigned b7:6;
        !            46: }       sbox_in_b;
        !            47: 
        !            48: typedef struct {
        !            49:     unsigned b0:4;
        !            50:     unsigned b1:4;
        !            51:     unsigned b2:4;
        !            52:     unsigned b3:4;
        !            53:     unsigned b4:4;
        !            54:     unsigned b5:4;
        !            55:     unsigned b6:4;
        !            56:     unsigned b7:4;
        !            57: }       sbox_out;
        !            58: 
        !            59: #else  BITS32
        !            60: /* for sixteen bit machines */
        !            61: 
        !            62: typedef struct {
        !            63:     unsigned b0:6;
        !            64:     unsigned b1:6;
        !            65:     unsigned b2:4;
        !            66: }       sbox_in_16_a;
        !            67: 
        !            68: typedef struct {
        !            69:     unsigned b2:2;
        !            70:     unsigned b3:6;
        !            71:     unsigned b4:6;
        !            72:     unsigned b5:2;
        !            73: }       sbox_in_16_b;
        !            74: 
        !            75: typedef struct {
        !            76:     unsigned b5:4;
        !            77:     unsigned b6:6;
        !            78:     unsigned b7:6;
        !            79: }       sbox_in_16_c;
        !            80: 
        !            81: typedef struct {
        !            82:     unsigned b0:4;
        !            83:     unsigned b1:4;
        !            84:     unsigned b2:4;
        !            85:     unsigned b3:4;
        !            86:     unsigned b4:4;
        !            87:     unsigned b5:4;
        !            88:     unsigned b6:4;
        !            89:     unsigned b7:4;
        !            90: }       sbox_out;
        !            91: #endif BITS32
        !            92: 
        !            93: 
        !            94: #endif DES_INTERNAL_DEFS

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.