/* test shs code */

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "shs.h"

static void process(void);
static void test1(void);
static void test2(void);
static void test3(void);
static void test4(void);
static void test5(void);
static void test6(void);
static void test7(void);

/* When run on a little-endian CPU we need to perform byte reversal on an
   array of longwords.  It is possible to make the code endianness-
   independant by fiddling around with data at the byte level, but this
   makes for very slow code, so we rely on the user to sort out endianness
   at compile time */

static void longReverse( SHS_LONG *buffer, int byteCount )
{
    SHS_LONG value;
    static int init = 0;
    char *cp;

    switch (init) {
    case 0:
	init=1;
	cp = (char *) &init;
	if (*cp == 1) {
	    init=2;
	    break;
	}
	init=1;
	/* fall through - MSB */
    case 1:
	return;
    }

    byteCount /= sizeof( SHS_LONG );
    while( byteCount-- ) {
        value = *buffer;
        value = ( ( value & 0xFF00FF00L ) >> 8  ) | 
                ( ( value & 0x00FF00FFL ) << 8 );
        *buffer++ = ( value << 16 ) | ( value >> 16 );
    }
}

int rc;
int mode;
int Dflag;

int
main(argc,argv)
	char **argv;
{
	char *argp;

	while (--argc > 0) if (*(argp = *++argv)=='-')
	while (*++argp) switch(*argp)
	{
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
		if (mode) goto Usage;
		mode = *argp;
		break;
	case 'D':
		if (argc <= 1) goto Usage;
		--argc;
		Dflag = atoi(*++argv);
		break;
	case '-':
		break;
	default:
		fprintf (stderr,"Bad switch char <%c>\n", *argp);
	Usage:
		fprintf(stderr, "Usage: t_shs [-1234567] [-D #]\n");
		exit(1);
	}
	else goto Usage;

	process();
	exit(rc);
}

static void process(void)
{
	switch(mode)
	{
	case '1':
		test1();
		break;
	case '2':
		test2();
		break;
	case '3':
		test3();
		break;
	case '4':
		test4();
		break;
	case '5':
		test5();
		break;
	case '6':
		test6();
		break;
	case '7':
		test7();
		break;
	default:
		test1();
		test2();
		test3();
		test4();
		test5();
		test6();
		test7();
	}
}

#ifndef shsDigest
static unsigned char *
shsDigest(si)
	SHS_INFO *si;
{
	longReverse(si->digest, SHS_DIGESTSIZE);
	return (unsigned char*) si->digest;
}
#endif

unsigned char results1[SHS_DIGESTSIZE] = {
0xa9,0x99,0x3e,0x36,0x47,0x06,0x81,0x6a,0xba,0x3e,
0x25,0x71,0x78,0x50,0xc2,0x6c,0x9c,0xd0,0xd8,0x9d};

static void test1(void)
{
	SHS_INFO si[1];
	unsigned char digest[SHS_DIGESTSIZE];
	int failed;
	int i;

	printf("Running SHS test 1 ...\n");
	shsInit(si);
	shsUpdate(si, (SHS_BYTE *) "abc", 3);
	shsFinal(si);
	memcpy(digest, shsDigest(si), SHS_DIGESTSIZE);
	if ((failed = memcmp(digest, results1, SHS_DIGESTSIZE)) != 0)
	{
		fprintf(stderr,"SHS test 1 failed!\n");
		rc = 1;
	}
	printf ("%s, results = ", failed ? "Failed" : "Passed");
	for (i = 0; i < SHS_DIGESTSIZE; ++i)
		printf("%02x",digest[i]);
	if (failed)
	{
		printf ("\n, expected ");
		for (i = 0; i < SHS_DIGESTSIZE; ++i)
			printf("%02x",results1[i]);
	}
	printf("\n");
}

unsigned char results2[SHS_DIGESTSIZE] = {
0x84,0x98,0x3e,0x44,0x1c,0x3b,0xd2,0x6e,0xba,0xae,
0x4a,0xa1,0xf9,0x51,0x29,0xe5,0xe5,0x46,0x70,0xf1};

static void test2(void)
{
	SHS_INFO si[1];
	unsigned char digest[SHS_DIGESTSIZE];
	int failed;
	int i;

	printf("Running SHS test 2 ...\n");
	shsInit(si);
	shsUpdate(si,
	(SHS_BYTE *) "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
		56);
	shsFinal(si);
	memcpy(digest, shsDigest(si), SHS_DIGESTSIZE);
	if ((failed = memcmp(digest, results2, SHS_DIGESTSIZE)) != 0)
	{
		fprintf(stderr,"SHS test 2 failed!\n");
		rc = 1;
	}
	printf ("%s, results = ", failed ? "Failed" : "Passed");
	for (i = 0; i < SHS_DIGESTSIZE; ++i)
		printf("%02x",digest[i]);
	if (failed)
	{
		printf ("\n, expected ");
		for (i = 0; i < SHS_DIGESTSIZE; ++i)
			printf("%02x",results2[i]);
	}
	printf("\n");
}

unsigned char results3[SHS_DIGESTSIZE] = {
0x34,0xaa,0x97,0x3c,0xd4,0xc4,0xda,0xa4,0xf6,0x1e,
0xeb,0x2b,0xdb,0xad,0x27,0x31,0x65,0x34,0x01,0x6f};

static void test3(void)
{
	SHS_INFO si[1];
	unsigned char digest[SHS_DIGESTSIZE];
	int failed;
	int i;

	printf("Running SHS test 3 ...\n");
	shsInit(si);
	for (i = 0; i < 15625; ++i)
		shsUpdate(si,
(SHS_BYTE *) "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
			64);
	shsFinal(si);
	memcpy(digest, shsDigest(si), SHS_DIGESTSIZE);
	if ((failed = memcmp(digest, results3, SHS_DIGESTSIZE)) != 0)
	{
		fprintf(stderr,"SHS test 3 failed!\n");
		rc = 1;
	}
	printf ("%s, results = ", failed ? "Failed" : "Passed");
	for (i = 0; i < SHS_DIGESTSIZE; ++i)
		printf("%02x",digest[i]);
	if (failed)
	{
		printf ("\n, expected ");
		for (i = 0; i < SHS_DIGESTSIZE; ++i)
			printf("%02x",results3[i]);
	}
	printf("\n");
}

unsigned char randdata[] = {
0xfe,0x28,0x79,0x25,0xf5,0x03,0xf9,0x1c,0xcd,0x70,0x7b,0xb0,0x42,0x02,0xb8,0x2f,
0xf3,0x63,0xa2,0x79,0x8e,0x9b,0x33,0xd7,0x2b,0xc4,0xb4,0xd2,0xcb,0x61,0xec,0xbb,
0x94,0xe1,0x8f,0x53,0x80,0x55,0xd9,0x90,0xb2,0x03,0x58,0xfa,0xa6,0xe5,0x18,0x57,
0x68,0x04,0x24,0x98,0x41,0x7e,0x84,0xeb,0xc1,0x39,0xbc,0x1d,0xf7,0x4e,0x92,0x72,
0x1a,0x5b,0xb6,0x99,0x43,0xa5,0x0a,0x45,0x73,0x55,0xfd,0x57,0x83,0x45,0x36,0x5c,
0xfd,0x39,0x08,0x6e,0xe2,0x01,0x9a,0x8c,0x4e,0x39,0xd2,0x0d,0x5f,0x0e,0x35,0x15,
0xb9,0xac,0x5f,0xa1,0x8a,0xe6,0xdd,0x6e,0x68,0x9d,0xf6,0x29,0x95,0xf6,0x7d,0x7b,
0xd9,0x5e,0xf4,0x67,0x25,0xbd,0xee,0xed,0x53,0x60,0xb0,0x47,0xdf,0xef,0xf4,0x41,
0xbd,0x45,0xcf,0x5c,0x93,0x41,0x87,0x97,0x82,0x39,0x20,0x66,0xb4,0xda,0xcb,0x66,
0x93,0x02,0x2e,0x7f,0x94,0x4c,0xc7,0x3b,0x2c,0xcf,0xf6,0x99,0x6f,0x13,0xf1,0xc5,
0x28,0x2b,0xa6,0x6c,0x39,0x26,0x7f,0x76,0x24,0x4a,0x6e,0x01,0x40,0x63,0xf8,0x00,
0x06,0x23,0x5a,0xaa,0xa6,0x2f,0xd1,0x37,0xc7,0xcc,0x76,0xe9,0x54,0x1e,0x57,0x73,
0xf5,0x33,0xaa,0x96,0xbe,0x35,0xcd,0x1d,0xd5,0x7d,0xac,0x50,0xd5,0xf8,0x47,0x2d,
0xd6,0x93,0x5f,0x6e,0x38,0xd3,0xac,0xd0,0x7e,0xad,0x9e,0xf8,0x87,0x95,0x63,0x15,
0x65,0xa3,0xd4,0xb3,0x9a,0x6c,0xac,0xcd,0x2a,0x54,0x83,0x13,0xc4,0xb4,0x94,0xfa,
0x76,0x87,0xc5,0x8b,0x4a,0x10,0x92,0x05,0xd1,0x0e,0x97,0xfd,0xc8,0xfb,0xc5,0xdc,
0x21,0x4c,0xc8,0x77,0x5c,0xed,0x32,0x22,0x77,0xc1,0x38,0x30,0xd7,0x8e,0x2a,0x70,
0x72,0x67,0x13,0xe4,0xb7,0x18,0xd4,0x76,0xdd,0x32,0x12,0xf4,0x5d,0xc9,0xec,0xc1,
0x2c,0x8a,0xfe,0x08,0x6c,0xea,0xf6,0xab,0x5a,0x0e,0x8e,0x81,0x1d,0xc8,0x5a,0x4b,
0xed,0xb9,0x7f,0x4b,0x67,0xe3,0x65,0x46,0xc9,0xf2,0xab,0x37,0x0a,0x98,0x67,0x5b,
0xb1,0x3b,0x02,0x91,0x38,0x71,0xea,0x62,0x88,0xae,0xb6,0xdb,0xfc,0x55,0x79,0x33,
0x69,0x95,0x51,0xb6,0xe1,0x3b,0xab,0x22,0x68,0x54,0xf9,0x89,0x9c,0x94,0xe0,0xe3,
0xd3,0x48,0x5c,0xe9,0x78,0x5b,0xb3,0x4b,0xba,0xd8,0x48,0xd8,0xaf,0x91,0x4e,0x23,
0x38,0x23,0x23,0x6c,0xdf,0x2e,0xf0,0xff,0xac,0x1d,0x2d,0x27,0x10,0x45,0xa3,0x2d,
0x8b,0x00,0xcd,0xe2,0xfc,0xb7,0xdb,0x52,0x13,0xb7,0x66,0x79,0xd9,0xd8,0x29,0x0e,
0x32,0xbd,0x52,0x6b,0x75,0x71,0x08,0x83,0x1b,0x67,0x28,0x93,0x97,0x97,0x32,0xff,
0x8b,0xd3,0x98,0xa3,0xce,0x2b,0x88,0x37,0x1c,0xcc,0xa0,0xd1,0x19,0x9b,0xe6,0x11,
0xfc,0xc0,0x3c,0x4e,0xe1,0x35,0x49,0x29,0x19,0xcf,0x1d,0xe1,0x60,0x74,0xc0,0xe9,
0xf7,0xb4,0x99,0xa0,0x23,0x50,0x51,0x78,0xcf,0xc0,0xe5,0xc2,0x1c,0x16,0xd2,0x24,
0x5a,0x63,0x54,0x83,0xaa,0x74,0x3d,0x41,0x0d,0x52,0xee,0xfe,0x0f,0x4d,0x13,0xe1,
0x27,0x00,0xc4,0xf3,0x2b,0x55,0xe0,0x9c,0x81,0xe0,0xfc,0xc2,0x13,0xd4,0x39,0x09
};

unsigned char results4[SHS_DIGESTSIZE] = {
0x13,0x62,0xfc,0x87,0x68,0x33,0xd5,0x1d,0x2f,0x0c,
0x73,0xe3,0xfb,0x87,0x6a,0x6b,0xc3,0x25,0x54,0xfc};

static void test4(void)
{
	SHS_INFO si[1];
	unsigned char digest[SHS_DIGESTSIZE];
	int failed;
	int i;

	printf("Running SHS test 4 ...\n");
	shsInit(si);
	shsUpdate(si, randdata, 19);
	shsFinal(si);
	memcpy(digest, shsDigest(si), SHS_DIGESTSIZE);
	if ((failed = memcmp(digest, results4, SHS_DIGESTSIZE)) != 0)
	{
		fprintf(stderr,"SHS test 4 failed!\n");
		rc = 1;
	}
	printf ("%s, results = ", failed ? "Failed" : "Passed");
	for (i = 0; i < SHS_DIGESTSIZE; ++i)
		printf("%02x",digest[i]);
	if (failed)
	{
		printf ("\n, expected ");
		for (i = 0; i < SHS_DIGESTSIZE; ++i)
			printf("%02x",results4[i]);
	}
	printf("\n");
}

unsigned char results5[SHS_DIGESTSIZE] = {
0x19,0x4d,0xf6,0xeb,0x8e,0x02,0x6d,0x37,0x58,0x64,
0xe5,0x95,0x19,0x2a,0xdd,0x1c,0xc4,0x3c,0x24,0x86};

static void test5(void)
{
	SHS_INFO si[1];
	unsigned char digest[SHS_DIGESTSIZE];
	int failed;
	int i;

	printf("Running SHS test 5 ...\n");
	shsInit(si);
	shsUpdate(si, randdata, 19);
	shsUpdate(si, randdata+32, 15);
	shsFinal(si);
	memcpy(digest, shsDigest(si), SHS_DIGESTSIZE);
	if ((failed = memcmp(digest, results5, SHS_DIGESTSIZE)) != 0)
	{
		fprintf(stderr,"SHS test 5 failed!\n");
		rc = 1;
	}
	printf ("%s, results = ", failed ? "Failed" : "Passed");
	for (i = 0; i < SHS_DIGESTSIZE; ++i)
		printf("%02x",digest[i]);
	if (failed)
	{
		printf ("\n, expected ");
		for (i = 0; i < SHS_DIGESTSIZE; ++i)
			printf("%02x",results5[i]);
	}
	printf("\n");
}

unsigned char results6[SHS_DIGESTSIZE] = {
0x4e,0x16,0x57,0x9d,0x4b,0x48,0xa9,0x1c,0x88,0x72,
0x83,0xdb,0x88,0xd1,0xea,0x3a,0x45,0xdf,0xa1,0x10};

static void test6(void)
{
	struct {
		long pad1;
		SHS_INFO si1;
		long pad2;
		SHS_INFO si2;
		long pad3;
	} sdata;
	unsigned char digest[SHS_DIGESTSIZE];
	int failed;
	unsigned int i, j;

	printf("Running SHS test 6 ...\n");
	sdata.pad1 = 0x12345678;
	sdata.pad2 = 0x87654321;
	sdata.pad3 = 0x78563412;
	shsInit((&sdata.si2));
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #20 %#lx\n",
sdata.pad2);
sdata.pad2 = 0x87654321;
}
if (sdata.pad3 != 0x78563412) {
printf ("Overrun #21 %#lx\n",
sdata.pad3);
sdata.pad3 = 0x78563412;
}
	for (i = 0; i < 400; ++i)
	{
		shsInit(&sdata.si1);
if (sdata.pad1 != 0x12345678) {
printf ("Overrun #22 %#lx at %d\n",
sdata.pad1, i);
sdata.pad1 = 0x12345678;
}
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #23 %#lx at %d\n",
sdata.pad2, i);
sdata.pad2 = 0x87654321;
}
		shsUpdate(&sdata.si1, (randdata+sizeof(randdata))-i, i);
if (sdata.pad1 != 0x12345678) {
printf ("Overrun #24 %#lx at %d\n",
sdata.pad1, i);
sdata.pad1 = 0x12345678;
}
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #25 %#lx at %d\n",
sdata.pad2, i);
sdata.pad2 = 0x87654321;
}
		shsFinal(&sdata.si1);
if (sdata.pad1 != 0x12345678) {
printf ("Overrun #26 %#lx at %d\n",
sdata.pad1, i);
sdata.pad1 = 0x12345678;
}
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #27 %#lx at %d\n",
sdata.pad2, i);
sdata.pad2 = 0x87654321;
}
		memcpy(digest, shsDigest(&sdata.si1), SHS_DIGESTSIZE);
		if (Dflag & 1)
		{
			printf ("%d: ", i);
			for (j = 0; j < SHS_DIGESTSIZE; ++j)
				printf("%02x",digest[j]);
			printf("\n");
		}
		shsUpdate((&sdata.si2), digest, SHS_DIGESTSIZE);
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #28 %#lx at %d\n",
sdata.pad2, i);
sdata.pad2 = 0x87654321;
}
if (sdata.pad3 != 0x78563412) {
printf ("Overrun #29 %#lx at %d\n",
sdata.pad3, i);
sdata.pad3 = 0x78563412;
}
		if (Dflag & 2)
			printf ("%d: %08lx%08lx%08lx%08lx%08lx\n",
				i,
				(unsigned long) sdata.si2.digest[0],
				(unsigned long) sdata.si2.digest[1],
				(unsigned long) sdata.si2.digest[2],
				(unsigned long) sdata.si2.digest[3],
				(unsigned long) sdata.si2.digest[4]);
	}
	shsFinal((&sdata.si2));
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #30 %#lx\n",
sdata.pad2);
sdata.pad2 = 0x87654321;
}
if (sdata.pad3 != 0x78563412) {
printf ("Overrun #31 %#lx\n",
sdata.pad3);
sdata.pad3 = 0x78563412;
}
	memcpy(digest, shsDigest((&sdata.si2)), SHS_DIGESTSIZE);
	if ((failed = memcmp(digest, results6, SHS_DIGESTSIZE)) != 0)
	{
		fprintf(stderr,"SHS test 6 failed!\n");
		rc = 1;
	}
	printf ("%s, results = ", failed ? "Failed" : "Passed");
	for (i = 0; i < SHS_DIGESTSIZE; ++i)
		printf("%02x",digest[i]);
	if (failed)
	{
		printf ("\n, expected ");
		for (i = 0; i < SHS_DIGESTSIZE; ++i)
			printf("%02x",results6[i]);
	}
	printf("\n");
}

unsigned char results7[SHS_DIGESTSIZE] = {
0x89,0x41,0x65,0xce,0x76,0xc1,0xd1,0xd1,0xc3,0x6f,
0xab,0x92,0x79,0x30,0x01,0x71,0x63,0x1f,0x74,0xfe};

unsigned int jfsize[] = {0,1,31,32,
	33,55,56,63,
	64,65,71,72,
	73,95,96,97,
	119,120,123,127};
unsigned int kfsize[] = {0,1,31,32,33,55,56,63};

static void test7(void)
{
	struct {
		long pad1;
		SHS_INFO si1;
		long pad2;
		SHS_INFO si2;
		long pad3;
	} sdata;
	unsigned char digest[SHS_DIGESTSIZE];
	int failed;
	unsigned int i, j, k, l;

	printf("Running SHS test 7 ...\n");
	sdata.pad1 = 0x12345678;
	sdata.pad2 = 0x87654321;
	sdata.pad3 = 0x78563412;
	shsInit((&sdata.si2));
	for (i = 1; i <= 128; ++i)
	for (j = 0; j < 20; ++j)
	for (k = 0; k < 8; ++k)
	{
		shsInit(&sdata.si1);
		shsUpdate(&sdata.si1, (randdata+80+j), i);
if (sdata.pad1 != 0x12345678) {
printf ("Overrun #1 %#lx at %d,%d,%d\n",
sdata.pad1, i,j,k);
sdata.pad1 = 0x12345678;
}
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #2 %#lx at %d,%d,%d\n",
sdata.pad2, i,j,k);
sdata.pad2 = 0x87654321;
}
		shsUpdate(&sdata.si1, randdata+i, jfsize[j]);
if (sdata.pad1 != 0x12345678) {
printf ("Overrun #3 %#lx at %d,%d,%d\n",
sdata.pad1, i,j,k);
sdata.pad1 = 0x12345678;
}
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #4 %#lx at %d,%d,%d\n",
sdata.pad2, i,j,k);
sdata.pad2 = 0x87654321;
}
		if (k) shsUpdate(&sdata.si1, randdata+(i^j), kfsize[k]);
if (sdata.pad1 != 0x12345678) {
printf ("Overrun #5 %#lx at %d,%d,%d\n",
sdata.pad1, i,j,k);
sdata.pad1 = 0x12345678;
}
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #6 %#lx at %d,%d,%d\n",
sdata.pad2, i,j,k);
sdata.pad2 = 0x87654321;
}
		shsFinal(&sdata.si1);
if (sdata.pad1 != 0x12345678) {
printf ("Overrun #7 %#lx at %d,%d,%d\n",
sdata.pad1, i,j,k);
sdata.pad1 = 0x12345678;
}
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #8 %#lx at %d,%d,%d\n",
sdata.pad2, i,j,k);
sdata.pad2 = 0x87654321;
}
		memcpy(digest, shsDigest(&sdata.si1), SHS_DIGESTSIZE);
		if (Dflag & 1)
		{
			printf ("%d,%d,%d: ", i, j, k);
			for (l = 0; l < SHS_DIGESTSIZE; ++l)
				printf("%02x",digest[l]);
			printf("\n");
		}
		shsUpdate((&sdata.si2), digest, SHS_DIGESTSIZE);
if (sdata.pad2 != 0x87654321) {
printf ("Overrun #9 %#lx at %d,%d,%d\n",
sdata.pad2, i,j,k);
sdata.pad2 = 0x87654321;
}
if (sdata.pad3 != 0x78563412) {
printf ("Overrun #10 %#lx at %d,%d,%d\n",
sdata.pad3, i,j,k);
sdata.pad3 = 0x78563412;
}
		if (Dflag & 2)
			printf ("%d,%d,%d: %08lx%08lx%08lx%08lx%08lx\n",
				i,j,k,
				(unsigned long) sdata.si2.digest[0],
				(unsigned long) sdata.si2.digest[1],
				(unsigned long) sdata.si2.digest[2],
				(unsigned long) sdata.si2.digest[3],
				(unsigned long) sdata.si2.digest[4]);
	}
	shsFinal((&sdata.si2));
	memcpy(digest, shsDigest((&sdata.si2)), SHS_DIGESTSIZE);
	if ((failed = memcmp(digest, results7, SHS_DIGESTSIZE)) != 0)
	{
		fprintf(stderr,"SHS test 7 failed!\n");
		rc = 1;
	}
	printf ("%s, results = ", failed ? "Failed" : "Passed");
	for (i = 0; i < SHS_DIGESTSIZE; ++i)
		printf("%02x",digest[i]);
	if (failed)
	{
		printf ("\n, expected ");
		for (i = 0; i < SHS_DIGESTSIZE; ++i)
			printf("%02x",results7[i]);
	}
	printf("\n");
}