Blame crypt/cert.c

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/*
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 * This crypt(3) validation program shipped with UFC-crypt
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 * is derived from one distributed with Phil Karns PD DES package.
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 *
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 * @(#)cert.c	1.8 11 Aug 1996
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include "crypt.h"
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/* This file tests the deprecated setkey/encrypt interface.  */
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#include <shlib-compat.h>
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#if TEST_COMPAT (libcrypt, GLIBC_2_0, GLIBC_2_28)
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#define libcrypt_version_reference(symbol, version) \
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  _libcrypt_version_reference (symbol, VERSION_libcrypt_##version)
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#define _libcrypt_version_reference(symbol, version) \
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  __libcrypt_version_reference (symbol, version)
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#define __libcrypt_version_reference(symbol, version) \
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  __asm__ (".symver " #symbol ", " #symbol "@" #version)
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extern void setkey (const char *);
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extern void encrypt (const char *, int);
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libcrypt_version_reference (setkey, GLIBC_2_0);
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libcrypt_version_reference (encrypt, GLIBC_2_0);
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int totfails = 0;
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int main (int argc, char *argv[]);
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void get8 (char *cp);
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void put8 (char *cp);
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void good_bye (void) __attribute__ ((noreturn));
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void
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good_bye (void)
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{
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  if(totfails == 0) {
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    printf("Passed DES validation suite\n");
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    exit(0);
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  } else {
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    printf("%d failures during DES validation suite!!!\n", totfails);
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    exit(1);
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  }
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}
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int
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main (int argc, char *argv[])
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{
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	char key[64],plain[64],cipher[64],answer[64];
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	int i;
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	int test;
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	int fail;
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	for(test=0;!feof(stdin);test++){
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		get8(key);
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		printf(" K: "); put8(key);
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		setkey(key);
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		get8(plain);
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		printf(" P: "); put8(plain);
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		get8(answer);
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		printf(" C: "); put8(answer);
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		for(i=0;i<64;i++)
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			cipher[i] = plain[i];
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		encrypt(cipher, 0);
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		for(i=0;i<64;i++)
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			if(cipher[i] != answer[i])
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				break;
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		fail = 0;
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		if(i != 64){
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			printf(" Encrypt FAIL");
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			fail++; totfails++;
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		}
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		encrypt(cipher, 1);
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		for(i=0;i<64;i++)
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			if(cipher[i] != plain[i])
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				break;
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		if(i != 64){
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			printf(" Decrypt FAIL");
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			fail++; totfails++;
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		}
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		if(fail == 0)
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			printf(" OK");
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		printf("\n");
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	}
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	good_bye();
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}
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void
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get8 (char *cp)
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{
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	int i,j,t;
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	for(i=0;i<8;i++){
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		scanf("%2x",&t);
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		if(feof(stdin))
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		  good_bye();
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		for(j=0; j<8 ; j++) {
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		  *cp++ = (t & (0x01 << (7-j))) != 0;
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		}
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	}
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}
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void
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put8 (char *cp)
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{
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	int i,j,t;
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	for(i=0;i<8;i++){
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	  t = 0;
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	  for(j = 0; j<8; j++)
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	    t = (t<<1) | *cp++;
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	  printf("%02x", t);
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	}
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}
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#else /* encrypt and setkey are not available.  */
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int
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main (void)
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{
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  return 77; /* UNSUPPORTED */
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}
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#endif