[openssl-dev] [openssl.org #4483] Re: [openssl.org #4482] Wrong results with Poly1305 functions

Hanno Boeck via RT Fri, 25 Mar 2016 08:52:33 -0700

Attached is an updated version of the test with an additional test
vector. This one happens on 64 bit and not on 32 bit.


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/*

compile in openssl source tree (1.1 beta or git):
  gcc -I. polytest.c libcrypto.a -o polytest
or 32 bit:
  gcc -I. polytest.c libcrypto.a -o polytest

Get 32 bit openssl with
  CC="gcc -m32" ./Configure linux-elf

*/

#include <string.h>
#include <openssl/crypto.h>
#include "crypto/include/internal/poly1305.h"

#define KEYSIZE 32
#define TAGSIZE 16

unsigned char key0[] = {
	0x7f, 0x1b, 0x02, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc
};

unsigned char in0[] = {
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xcc, 0x80, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xce, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xc5, 0xcc, 0xcc, 0xcc, 0xcc,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xe3, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
	0xac, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xe6,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0xaf, 0xcc, 0xcc, 0xcc,
	0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xff, 0xff, 0xff, 0xf5, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0xff, 0xff, 0xff, 0xe7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x71, 0x92,
	0x05, 0xa8, 0x52, 0x1d, 0xfc
};

unsigned int in0_len = 257;
unsigned char res0[] = {
	0x85, 0x59, 0xb8, 0x76, 0xec, 0xee, 0xd6, 0x6e, 0xb3, 0x77, 0x98, 0xc0,
	0x45, 0x7b, 0xaf, 0xf9
};

unsigned char key1[] = {
	0xe0, 0x00, 0x16, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
};

unsigned char in1[] = {
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
	0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x80, 0x02, 0x64
};

unsigned int in1_len = 39;
unsigned char res1[] = {
	0x00, 0xbd, 0x12, 0x58, 0x97, 0x8e, 0x20, 0x54, 0x44, 0xc9, 0xaa, 0xaa,
	0x82, 0x00, 0x6f, 0xed
};

unsigned char key2[] = {
	0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
	0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
	0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c
};

unsigned char in2[] = {
	0x02, 0xfc
};

unsigned int in2_len = 2;
unsigned char res2[] = {
	0x06, 0x12, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
	0x0c, 0x0c, 0x0c, 0x0c
};

unsigned char key3[] = {
	0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7b, 0x7b
};

unsigned char in3[] = {
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7a, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x5c, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x6e, 0x7b, 0x00, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7a, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x5c, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b,
	0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x7b, 0x6e, 0x7b, 0x00,
	0x13, 0x00, 0x00, 0x00, 0x00, 0xb3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20,
	0x00, 0xef, 0xff, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x09, 0x00,
	0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0xb3, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf2, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x20, 0x00, 0xef, 0xff, 0x00, 0x09, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x7a, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
	0x00, 0x09, 0x00, 0x00, 0x00, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc
};

unsigned int in3_len = 415;
unsigned char res3[] = {
	0x33, 0x20, 0x5b, 0xbf, 0x9e, 0x9f, 0x8f, 0x72, 0x12, 0xab, 0x9e, 0x2a,
	0xb9, 0xb7, 0xe4, 0xa5
};

unsigned char key4[] = {
	0x00, 0x00, 0x00, 0x7f, 0x00, 0x00, 0x00, 0x7f, 0x01, 0x00, 0x00, 0x20,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcf, 0x77, 0x77, 0x77, 0x77, 0x77,
	0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77
};

unsigned char in4[] = {
	0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77,
	0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77,
	0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77,
	0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77,
	0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77,
	0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77, 0x77,
	0x77, 0x77, 0x77, 0x77, 0xff, 0xff, 0xff, 0xe9, 0xe9, 0xac, 0xac, 0xac,
	0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0x00, 0x00, 0xac, 0xac,
	0xec, 0x01, 0x00, 0xac, 0xac, 0xac, 0x2c, 0xac, 0xa2, 0xac, 0xac, 0xac,
	0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0xac, 0x64, 0xf2
};

unsigned int in4_len = 118;
unsigned char res4[] = {
	0x02, 0xee, 0x7c, 0x8c, 0x54, 0x6d, 0xde, 0xb1, 0xa4, 0x67, 0xe4, 0xc3,
	    0x98, 0x11, 0x58, 0xb9
};

/* Copy over the poly1305_context definition, so as not to fuss with sizes. */
typedef void (*poly1305_blocks_f) (void *ctx, const unsigned char *inp,
				   size_t len, unsigned int padbit);
typedef void (*poly1305_emit_f) (void *ctx, unsigned char mac[16],
				 const unsigned int nonce[4]);
struct poly1305_context {
	double opaque[24];
	unsigned int nonce[4];
	unsigned char data[POLY1305_BLOCK_SIZE];
	size_t num;
	struct {
		poly1305_blocks_f blocks;
		poly1305_emit_f emit;
	} func;
};

void polycheck(const unsigned char *key, const unsigned char *in,
	       unsigned int in_len, const unsigned char *res)
{
	size_t i;
	unsigned char otag[TAGSIZE];
	POLY1305 poly;

	Poly1305_Init(&poly, key);
	Poly1305_Update(&poly, in, in_len);
	Poly1305_Final(&poly, otag);

	printf("Got:     ");
	for (i = 0; i < TAGSIZE; i++)
		printf("%02x%s", otag[i], (i == TAGSIZE - 1) ? "\n" : ":");
	printf("Correct: ");
	for (i = 0; i < TAGSIZE; i++)
		printf("%02x%s", res[i], (i == TAGSIZE - 1) ? "\n" : ":");

	if (memcmp(res, otag, TAGSIZE) == 0)
		printf("OK\n");
	else
		printf("ERROR\n");

}

int main()
{

	polycheck(key0, in0, in0_len, res0);
	polycheck(key1, in1, in1_len, res1);
	polycheck(key2, in2, in2_len, res2);
	polycheck(key3, in3, in3_len, res3);
	polycheck(key4, in4, in4_len, res4);

	return 0;
}

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[openssl-dev] [openssl.org #4483] Re: [openssl.org #4482] Wrong results with Poly1305 functions

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