destest.c

This a good VPN source

		(C_Block *)cbc2_key, (C_Block *)cbc3_key, DES_DECRYPT);
	if (memcmp(cbc_in,cbc_data,strlen((char *)cbc_data)+1) != 0)
		{
		printf("des_xcbc_encrypt decrypt error\n");
		err=1;
		}
#endif

	printf("Doing ede cbc\n");
	if ((j=des_key_sched((C_Block *)cbc_key,ks)) != 0)
		{
		printf("Key error %d\n",j);
		err=1;
		}
	if ((j=des_key_sched((C_Block *)cbc2_key,ks2)) != 0)
		{
		printf("Key error %d\n",j);
		err=1;
		}
	if ((j=des_key_sched((C_Block *)cbc3_key,ks3)) != 0)
		{
		printf("Key error %d\n",j);
		err=1;
		}
	memset(cbc_out,0,40);
	memset(cbc_in,0,40);
	i=strlen((char *)cbc_data)+1;
	/* i=((i+7)/8)*8; */
	memcpy(iv3,cbc_iv,sizeof(cbc_iv));

	des_ede3_cbc_encrypt((C_Block *)cbc_data,(C_Block *)cbc_out,
		16L,ks,ks2,ks3,(C_Block *)iv3,DES_ENCRYPT);
	des_ede3_cbc_encrypt((C_Block *)&(cbc_data[16]),
		(C_Block *)&(cbc_out[16]),
		(long)i-16,ks,ks2,ks3,(C_Block *)iv3,DES_ENCRYPT);
	if (memcmp(cbc_out,cbc3_ok,
		(unsigned int)(strlen((char *)cbc_data)+1+7)/8*8) != 0)
		{
		printf("des_ede3_cbc_encrypt encrypt error\n");
		err=1;
		}

	memcpy(iv3,cbc_iv,sizeof(cbc_iv));
	des_ede3_cbc_encrypt((C_Block *)cbc_out,(C_Block *)cbc_in,
		(long)i,ks,ks2,ks3,(C_Block *)iv3,DES_DECRYPT);
	if (memcmp(cbc_in,cbc_data,strlen(cbc_data)+1) != 0)
		{
		printf("des_ede3_cbc_encrypt decrypt error\n");
		err=1;
		}

#ifndef LIBDES_LIT
	printf("Doing pcbc\n");
	if ((j=des_key_sched((C_Block *)cbc_key,ks)) != 0)
		{
		printf("Key error %d\n",j);
		err=1;
		}
	memset(cbc_out,0,40);
	memset(cbc_in,0,40);
	des_pcbc_encrypt((C_Block *)cbc_data,(C_Block *)cbc_out,
		(long)strlen(cbc_data)+1,ks,(C_Block *)cbc_iv,DES_ENCRYPT);
	if (memcmp(cbc_out,pcbc_ok,32) != 0)
		{
		printf("pcbc_encrypt encrypt error\n");
		err=1;
		}
	des_pcbc_encrypt((C_Block *)cbc_out,(C_Block *)cbc_in,
		(long)strlen(cbc_data)+1,ks,(C_Block *)cbc_iv,DES_DECRYPT);
	if (memcmp(cbc_in,cbc_data,strlen(cbc_data)+1) != 0)
		{
		printf("pcbc_encrypt decrypt error\n");
		err=1;
		}

	printf("Doing ");
	printf("cfb8 ");
	err+=cfb_test(8,cfb_cipher8);
	printf("cfb16 ");
	err+=cfb_test(16,cfb_cipher16);
	printf("cfb32 ");
	err+=cfb_test(32,cfb_cipher32);
	printf("cfb48 ");
	err+=cfb_test(48,cfb_cipher48);
	printf("cfb64 ");
	err+=cfb_test(64,cfb_cipher64);

	printf("cfb64() ");
	err+=cfb64_test(cfb_cipher64);

	memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv));
	for (i=0; i<sizeof(plain); i++)
		des_cfb_encrypt(&(plain[i]),&(cfb_buf1[i]),
			8,(long)1,ks,(C_Block *)cfb_tmp,DES_ENCRYPT);
	if (memcmp(cfb_cipher8,cfb_buf1,sizeof(plain)) != 0)
		{
		printf("cfb_encrypt small encrypt error\n");
		err=1;
		}

	memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv));
	for (i=0; i<sizeof(plain); i++)
		des_cfb_encrypt(&(cfb_buf1[i]),&(cfb_buf2[i]),
			8,(long)1,ks,(C_Block *)cfb_tmp,DES_DECRYPT);
	if (memcmp(plain,cfb_buf2,sizeof(plain)) != 0)
		{
		printf("cfb_encrypt small decrypt error\n");
		err=1;
		}

	printf("ede_cfb64() ");
	err+=ede_cfb64_test(cfb_cipher64);

	printf("done\n");

	printf("Doing ofb\n");
	des_key_sched((C_Block *)ofb_key,ks);
	memcpy(ofb_tmp,ofb_iv,sizeof(ofb_iv));
	des_ofb_encrypt(plain,ofb_buf1,64,(long)sizeof(plain)/8,ks,
		(C_Block *)ofb_tmp);
	if (memcmp(ofb_cipher,ofb_buf1,sizeof(ofb_buf1)) != 0)
		{
		printf("ofb_encrypt encrypt error\n");
printf("%02X %02X %02X %02X %02X %02X %02X %02X\n",
ofb_buf1[8+0], ofb_buf1[8+1], ofb_buf1[8+2], ofb_buf1[8+3],
ofb_buf1[8+4], ofb_buf1[8+5], ofb_buf1[8+6], ofb_buf1[8+7]);
printf("%02X %02X %02X %02X %02X %02X %02X %02X\n",
ofb_buf1[8+0], ofb_cipher[8+1], ofb_cipher[8+2], ofb_cipher[8+3],
ofb_buf1[8+4], ofb_cipher[8+5], ofb_cipher[8+6], ofb_cipher[8+7]);
		err=1;
		}
	memcpy(ofb_tmp,ofb_iv,sizeof(ofb_iv));
	des_ofb_encrypt(ofb_buf1,ofb_buf2,64,(long)sizeof(ofb_buf1)/8,ks,
		(C_Block *)ofb_tmp);
	if (memcmp(plain,ofb_buf2,sizeof(ofb_buf2)) != 0)
		{
		printf("ofb_encrypt decrypt error\n");
printf("%02X %02X %02X %02X %02X %02X %02X %02X\n",
ofb_buf2[8+0], ofb_buf2[8+1], ofb_buf2[8+2], ofb_buf2[8+3],
ofb_buf2[8+4], ofb_buf2[8+5], ofb_buf2[8+6], ofb_buf2[8+7]);
printf("%02X %02X %02X %02X %02X %02X %02X %02X\n",
plain[8+0], plain[8+1], plain[8+2], plain[8+3],
plain[8+4], plain[8+5], plain[8+6], plain[8+7]);
		err=1;
		}

	printf("Doing ofb64\n");
	des_key_sched((C_Block *)ofb_key,ks);
	memcpy(ofb_tmp,ofb_iv,sizeof(ofb_iv));
	memset(ofb_buf1,0,sizeof(ofb_buf1));
	memset(ofb_buf2,0,sizeof(ofb_buf1));
	num=0;
	for (i=0; i<sizeof(plain); i++)
		{
		des_ofb64_encrypt(&(plain[i]),&(ofb_buf1[i]),1,ks,
			(C_Block *)ofb_tmp,&num);
		}
	if (memcmp(ofb_cipher,ofb_buf1,sizeof(ofb_buf1)) != 0)
		{
		printf("ofb64_encrypt encrypt error\n");
		err=1;
		}
	memcpy(ofb_tmp,ofb_iv,sizeof(ofb_iv));
	num=0;
	des_ofb64_encrypt(ofb_buf1,ofb_buf2,(long)sizeof(ofb_buf1),ks,
		(C_Block *)ofb_tmp,&num);
	if (memcmp(plain,ofb_buf2,sizeof(ofb_buf2)) != 0)
		{
		printf("ofb64_encrypt decrypt error\n");
		err=1;
		}

	printf("Doing ede_ofb64\n");
	des_key_sched((C_Block *)ofb_key,ks);
	memcpy(ofb_tmp,ofb_iv,sizeof(ofb_iv));
	memset(ofb_buf1,0,sizeof(ofb_buf1));
	memset(ofb_buf2,0,sizeof(ofb_buf1));
	num=0;
	for (i=0; i<sizeof(plain); i++)
		{
		des_ede3_ofb64_encrypt(&(plain[i]),&(ofb_buf1[i]),1,ks,ks,ks,
			(C_Block *)ofb_tmp,&num);
		}
	if (memcmp(ofb_cipher,ofb_buf1,sizeof(ofb_buf1)) != 0)
		{
		printf("ede_ofb64_encrypt encrypt error\n");
		err=1;
		}
	memcpy(ofb_tmp,ofb_iv,sizeof(ofb_iv));
	num=0;
	des_ede3_ofb64_encrypt(ofb_buf1,ofb_buf2,(long)sizeof(ofb_buf1),ks,
		ks,ks,(C_Block *)ofb_tmp,&num);
	if (memcmp(plain,ofb_buf2,sizeof(ofb_buf2)) != 0)
		{
		printf("ede_ofb64_encrypt decrypt error\n");
		err=1;
		}

	printf("Doing cbc_cksum\n");
	des_key_sched((C_Block *)cbc_key,ks);
	cs=des_cbc_cksum((C_Block *)cbc_data,(C_Block *)cret,
		(long)strlen(cbc_data),ks,(C_Block *)cbc_iv);
	if (cs != cbc_cksum_ret)
		{
		printf("bad return value (%08lX), should be %08lX\n",
			(unsigned long)cs,(unsigned long)cbc_cksum_ret);
		err=1;
		}
	if (memcmp(cret,cbc_cksum_data,8) != 0)
		{
		printf("bad cbc_cksum block returned\n");
		err=1;
		}

	printf("Doing quad_cksum\n");
	cs=quad_cksum((C_Block *)cbc_data,(C_Block *)qret,
		(long)strlen(cbc_data),2,(C_Block *)cbc_iv);
	for (i=0; i<4; i++)
		{
		lqret[i]=0;
		memcpy(&(lqret[i]),&(qret[i][0]),4);
		}
	{ /* Big-endian fix */
	static DES_LONG l=1;
	static unsigned char *c=(unsigned char *)&l;
	DES_LONG ll;

	if (!c[0])
		{
		ll=lqret[0]^lqret[3];
		lqret[0]^=ll;
		lqret[3]^=ll;
		ll=lqret[1]^lqret[2];
		lqret[1]^=ll;
		lqret[2]^=ll;
		}
	}
	if (cs != 0x70d7a63aL)
		{
		printf("quad_cksum error, ret %08lx should be 70d7a63a\n",
			(unsigned long)cs);
		err=1;
		}
	if (lqret[0] != 0x327eba8dL)
		{
		printf("quad_cksum error, out[0] %08lx is not %08lx\n",
			(unsigned long)lqret[0],0x327eba8dL);
		err=1;
		}
	if (lqret[1] != 0x201a49ccL)
		{
		printf("quad_cksum error, out[1] %08lx is not %08lx\n",
			(unsigned long)lqret[1],0x201a49ccL);
		err=1;
		}
	if (lqret[2] != 0x70d7a63aL)
		{
		printf("quad_cksum error, out[2] %08lx is not %08lx\n",
			(unsigned long)lqret[2],0x70d7a63aL);
		err=1;
		}
	if (lqret[3] != 0x501c2c26L)
		{
		printf("quad_cksum error, out[3] %08lx is not %08lx\n",
			(unsigned long)lqret[3],0x501c2c26L);
		err=1;
		}
#endif

	printf("input word alignment test");
	for (i=0; i<4; i++)
		{
		printf(" %d",i);
		des_ncbc_encrypt((C_Block *)&(cbc_out[i]),(C_Block *)cbc_in,
			(long)strlen(cbc_data)+1,ks,(C_Block *)cbc_iv,
			DES_ENCRYPT);
		}
	printf("\noutput word alignment test");
	for (i=0; i<4; i++)
		{
		printf(" %d",i);
		des_ncbc_encrypt((C_Block *)cbc_out,(C_Block *)&(cbc_in[i]),
			(long)strlen(cbc_data)+1,ks,(C_Block *)cbc_iv,
			DES_ENCRYPT);
		}
	printf("\n");
	printf("fast crypt test ");
	str=crypt("testing","ef");
	if (strcmp("efGnQx2725bI2",str) != 0)
		{
		printf("fast crypt error, %s should be efGnQx2725bI2\n",str);
		err=1;
		}
	str=crypt("bca76;23","yA");
	if (strcmp("yA1Rp/1hZXIJk",str) != 0)
		{
		printf("fast crypt error, %s should be yA1Rp/1hZXIJk\n",str);
		err=1;
		}
	printf("\n");
	exit(err);
	return(0);
	}

static char *pt(p)
unsigned char *p;
	{
	static char bufs[10][20];
	static int bnum=0;
	char *ret;
	int i;
	static char *f="0123456789ABCDEF";

	ret= &(bufs[bnum++][0]);
	bnum%=10;
	for (i=0; i<8; i++)
		{
		ret[i*2]=f[(p[i]>>4)&0xf];
		ret[i*2+1]=f[p[i]&0xf];
		}
	ret[16]='\0';
	return(ret);
	}

#ifndef LIBDES_LIT

static int cfb_test(bits, cfb_cipher)
int bits;
unsigned char *cfb_cipher;
	{
	des_key_schedule ks;
	int i,err=0;

	des_key_sched((C_Block *)cfb_key,ks);
	memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv));
	des_cfb_encrypt(plain,cfb_buf1,bits,(long)sizeof(plain),ks,
		(C_Block *)cfb_tmp,DES_ENCRYPT);
	if (memcmp(cfb_cipher,cfb_buf1,sizeof(plain)) != 0)
		{
		err=1;
		printf("cfb_encrypt encrypt error\n");
		for (i=0; i<24; i+=8)
			printf("%s\n",pt(&(cfb_buf1[i])));
		}
	memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv));
	des_cfb_encrypt(cfb_buf1,cfb_buf2,bits,(long)sizeof(plain),ks,
		(C_Block *)cfb_tmp,DES_DECRYPT);
	if (memcmp(plain,cfb_buf2,sizeof(plain)) != 0)
		{
		err=1;
		printf("cfb_encrypt decrypt error\n");
		for (i=0; i<24; i+=8)
			printf("%s\n",pt(&(cfb_buf1[i])));
		}
	return(err);
	}

static int cfb64_test(cfb_cipher)
unsigned char *cfb_cipher;
	{
	des_key_schedule ks;
	int err=0,i,n;

	des_key_sched((C_Block *)cfb_key,ks);
	memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv));
	n=0;
	des_cfb64_encrypt(plain,cfb_buf1,(long)12,ks,
		(C_Block *)cfb_tmp,&n,DES_ENCRYPT);
	des_cfb64_encrypt(&(plain[12]),&(cfb_buf1[12]),
		(long)sizeof(plain)-12,ks,
		(C_Block *)cfb_tmp,&n,DES_ENCRYPT);
	if (memcmp(cfb_cipher,cfb_buf1,sizeof(plain)) != 0)
		{
		err=1;
		printf("cfb_encrypt encrypt error\n");
		for (i=0; i<24; i+=8)
			printf("%s\n",pt(&(cfb_buf1[i])));
		}
	memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv));
	n=0;
	des_cfb64_encrypt(cfb_buf1,cfb_buf2,(long)17,ks,
		(C_Block *)cfb_tmp,&n,DES_DECRYPT);
	des_cfb64_encrypt(&(cfb_buf1[17]),&(cfb_buf2[17]),
		(long)sizeof(plain)-17,ks,
		(C_Block *)cfb_tmp,&n,DES_DECRYPT);
	if (memcmp(plain,cfb_buf2,sizeof(plain)) != 0)
		{
		err=1;
		printf("cfb_encrypt decrypt error\n");
		for (i=0; i<24; i+=8)
			printf("%s\n",pt(&(cfb_buf2[i])));
		}
	return(err);
	}

static int ede_cfb64_test(cfb_cipher)
unsigned char *cfb_cipher;
	{
	des_key_schedule ks;
	int err=0,i,n;

	des_key_sched((C_Block *)cfb_key,ks);
	memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv));
	n=0;
	des_ede3_cfb64_encrypt(plain,cfb_buf1,(long)12,ks,ks,ks,
		(C_Block *)cfb_tmp,&n,DES_ENCRYPT);
	des_ede3_cfb64_encrypt(&(plain[12]),&(cfb_buf1[12]),
		(long)sizeof(plain)-12,ks,ks,ks,
		(C_Block *)cfb_tmp,&n,DES_ENCRYPT);
	if (memcmp(cfb_cipher,cfb_buf1,sizeof(plain)) != 0)
		{
		err=1;
		printf("ede_cfb_encrypt encrypt error\n");
		for (i=0; i<24; i+=8)
			printf("%s\n",pt(&(cfb_buf1[i])));
		}
	memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv));
	n=0;
	des_ede3_cfb64_encrypt(cfb_buf1,cfb_buf2,(long)17,ks,ks,ks,
		(C_Block *)cfb_tmp,&n,DES_DECRYPT);
	des_ede3_cfb64_encrypt(&(cfb_buf1[17]),&(cfb_buf2[17]),
		(long)sizeof(plain)-17,ks,ks,ks,
		(C_Block *)cfb_tmp,&n,DES_DECRYPT);
	if (memcmp(plain,cfb_buf2,sizeof(plain)) != 0)
		{
		err=1;
		printf("ede_cfb_encrypt decrypt error\n");
		for (i=0; i<24; i+=8)
			printf("%s\n",pt(&(cfb_buf2[i])));
		}
	return(err);
	}

#endif