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

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.