encrypt.c File Reference

#include "squid.h"
#include <time.h>
#include <string.h>
#include <stdlib.h>

Include dependency graph for encrypt.c:

Go to the source code of this file.

Macros
#define	BS   64
#define	BS2   32
#define	KS   48
#define	KS2   24
#define	IS   56
#define	IS2   28

Functions
static void	perm (char *a, char *e, char *pc, int n)
static void	crypt_main (char *nachr_l, char *nachr_r, char *schl)
void	encrypt (char *nachr, int decr)
void	setkey (char *schl)
char *	crypt (const char *wort, const char *salt)

Variables
static char	schluessel [16][KS]
static char	PC1 []
static char	PC2 []
static char	IP []
static char	EP []
static char	E0 []
static char	E [KS]
static char	PERM []
static char	S_BOX [][64]

Macro Definition Documentation

BS

#define BS   64

Definition at line 32 of file encrypt.c.

BS2

#define BS2   32

Definition at line 33 of file encrypt.c.

IS

#define IS   56

Definition at line 36 of file encrypt.c.

IS2

#define IS2   28

Definition at line 37 of file encrypt.c.

KS

#define KS   48

Definition at line 34 of file encrypt.c.

KS2

#define KS2   24

Definition at line 35 of file encrypt.c.

Function Documentation

crypt()

char* crypt	(	const char *	wort,
		const char *	salt
	)

Definition at line 240 of file encrypt.c.

References BS, E, encrypt(), and setkey().

Referenced by main(), and passwd_auth().

crypt_main()

static void crypt_main ( char *  nachr_l, char *  nachr_r, char *  schl  )

static

Definition at line 163 of file encrypt.c.

References BS2, E, int, KS, PERM, and S_BOX.

Referenced by encrypt().

encrypt()

void encrypt	(	char *	nachr,
		int	decr
	)

Definition at line 188 of file encrypt.c.

References BS, BS2, crypt_main(), EP, IP, KS, perm(), and schluessel.

Referenced by crypt(), internalRemoteUri(), and Adaptation::ServiceConfig::parse().

perm()

static void perm ( char *  a, char *  e, char *  pc, int  n  )

static

Definition at line 153 of file encrypt.c.

Referenced by encrypt(), and setkey().

setkey()

void setkey

(

char *

schl

)

Definition at line 213 of file encrypt.c.

References E, E0, IS, IS2, KS, PC1, PC2, perm(), and schluessel.

Referenced by crypt().

Variable Documentation

E

char E[KS]

static

Definition at line 92 of file encrypt.c.

Referenced by EventScheduler::cancel(), crypt(), crypt_main(), EventScheduler::schedule(), and setkey().

E0

char E0[]

static

Initial value:

= {
    31, 0, 1, 2, 3, 4, 3, 4,
    5, 6, 7, 8, 7, 8, 9, 10,
    11, 12, 11, 12, 13, 14, 15, 16,
    15, 16, 17, 18, 19, 20, 19, 20,
    21, 22, 23, 24, 23, 24, 25, 26,
    27, 28, 27, 28, 29, 30, 31, 0
}

Definition at line 83 of file encrypt.c.

Referenced by setkey().

EP

char EP[]

static

Initial value:

= {
    7, 39, 15, 47, 23, 55, 31, 63,
    6, 38, 14, 46, 22, 54, 30, 62,
    5, 37, 13, 45, 21, 53, 29, 61,
    4, 36, 12, 44, 20, 52, 28, 60,
    3, 35, 11, 43, 19, 51, 27, 59,
    2, 34, 10, 42, 18, 50, 26, 58,
    1, 33, 9, 41, 17, 49, 25, 57,
    0, 32, 8, 40, 16, 48, 24, 56
}

Definition at line 72 of file encrypt.c.

Referenced by encrypt().

IP

char IP[]

static

Initial value:

= {
    57, 49, 41, 33, 25, 17, 9, 1,
    59, 51, 43, 35, 27, 19, 11, 3,
    61, 53, 45, 37, 29, 21, 13, 5,
    63, 55, 47, 39, 31, 23, 15, 7,
    56, 48, 40, 32, 24, 16, 8, 0,
    58, 50, 42, 34, 26, 18, 10, 2,
    60, 52, 44, 36, 28, 20, 12, 4,
    62, 54, 46, 38, 30, 22, 14, 6
}

Definition at line 61 of file encrypt.c.

Referenced by encrypt().

PC1

char PC1[]

static

Initial value:

= {
    56, 48, 40, 32, 24, 16, 8, 0,
    57, 49, 41, 33, 25, 17, 9, 1,
    58, 50, 42, 34, 26, 18, 10, 2,
    59, 51, 43, 35,
    62, 54, 46, 38, 30, 22, 14, 6,
    61, 53, 45, 37, 29, 21, 13, 5,
    60, 52, 44, 36, 28, 20, 12, 4,
    27, 19, 11, 3
}

Definition at line 41 of file encrypt.c.

Referenced by setkey().

PC2

char PC2[]

static

Initial value:

= {
    13, 16, 10, 23, 0, 4, 2, 27,
    14, 5, 20, 9, 22, 18, 11, 3,
    25, 7, 15, 6, 26, 19, 12, 1,
    40, 51, 30, 36, 46, 54, 29, 39,
    50, 44, 32, 47, 43, 48, 38, 55,
    33, 52, 45, 41, 49, 35, 28, 31
}

Definition at line 52 of file encrypt.c.

Referenced by setkey().

PERM

char PERM[]

static

Initial value:

= {
    15, 6, 19, 20, 28, 11, 27, 16,
    0, 14, 22, 25, 4, 17, 30, 9,
    1, 7, 23, 13, 31, 26, 2, 8,
    18, 12, 29, 5, 21, 10, 3, 24
}

Definition at line 94 of file encrypt.c.

Referenced by crypt_main().

S_BOX

char S_BOX[][64]

static

Definition at line 101 of file encrypt.c.

Referenced by crypt_main().

schluessel

char schluessel[16][KS]

static

Definition at line 39 of file encrypt.c.

Referenced by encrypt(), and setkey().