121 regels
3.0 KiB
C
121 regels
3.0 KiB
C
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "../xmss.h"
|
|
#include "../params.h"
|
|
#include "../randombytes.h"
|
|
|
|
#define MLEN 3491
|
|
#define SIGNATURES 50
|
|
|
|
unsigned char mi[MLEN];
|
|
unsigned long long smlen;
|
|
unsigned long long mlen;
|
|
|
|
int main()
|
|
{
|
|
int r;
|
|
unsigned long long i, j;
|
|
unsigned long errors = 0;
|
|
|
|
unsigned char sk[4*XMSS_N+4];
|
|
unsigned char pk[2*XMSS_N];
|
|
|
|
unsigned long long signature_length = 4+XMSS_N+XMSS_WOTS_KEYSIZE+XMSS_TREEHEIGHT*XMSS_N;
|
|
unsigned char mo[MLEN+signature_length];
|
|
unsigned char sm[MLEN+signature_length];
|
|
|
|
printf("keypair\n");
|
|
xmss_keypair(pk, sk);
|
|
// check pub_seed in SK
|
|
for (i = 0; i < XMSS_N; i++) {
|
|
if (pk[XMSS_N+i] != sk[4+2*XMSS_N+i]) printf("pk.pub_seed != sk.pub_seed %llu",i);
|
|
if (pk[i] != sk[4+3*XMSS_N+i]) printf("pk.root != sk.root %llu",i);
|
|
}
|
|
|
|
// check index
|
|
unsigned long idx = ((unsigned long)sk[0] << 24) | ((unsigned long)sk[1] << 16) | ((unsigned long)sk[2] << 8) | sk[3];
|
|
if (idx) printf("\nidx != 0 %lu\n",idx);
|
|
|
|
for (i = 0; i < SIGNATURES; i++) {
|
|
randombytes(mi, MLEN);
|
|
|
|
printf("sign\n");
|
|
xmss_sign(sk, sm, &smlen, mi, MLEN);
|
|
idx = ((unsigned long)sm[0] << 24) | ((unsigned long)sm[1] << 16) | ((unsigned long)sm[2] << 8) | sm[3];
|
|
printf("\nidx = %lu\n",idx);
|
|
|
|
for (j = 0; j < smlen; j++) {
|
|
printf("%02X", sm[j]);
|
|
}
|
|
printf("\n");
|
|
|
|
r = memcmp(mi, sm+signature_length,MLEN);
|
|
printf("%d\n", r);
|
|
|
|
/* Test valid signature */
|
|
printf("verify\n");
|
|
r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
|
|
printf("%d\n", r);
|
|
if (r != 0) errors++;
|
|
r = memcmp(mi,mo,MLEN);
|
|
printf("%d\n", r);
|
|
printf("%llu\n", MLEN-mlen);
|
|
|
|
/* Test with modified message */
|
|
sm[signature_length+10] ^= 1;
|
|
r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
|
|
printf("%d\n", r+1);
|
|
if (r == 0) errors++;
|
|
r = memcmp(mi,mo,MLEN);
|
|
printf("%d\n", (r!=0) - 1);
|
|
printf("%llu\n", mlen+1);
|
|
|
|
/* Test with modified signature */
|
|
/* Modified index */
|
|
sm[signature_length+10] ^= 1;
|
|
sm[2] ^= 1;
|
|
r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
|
|
printf("%d\n", r+1);
|
|
if (r == 0) errors++;
|
|
r = memcmp(mi,mo,MLEN);
|
|
printf("%d\n", (r!=0) - 1);
|
|
printf("%llu\n", mlen+1);
|
|
|
|
/* Modified R */
|
|
sm[2] ^= 1;
|
|
sm[5] ^= 1;
|
|
r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
|
|
printf("%d\n", r+1);
|
|
if (r == 0) errors++;
|
|
r = memcmp(mi,mo,MLEN);
|
|
printf("%d\n", (r!=0) - 1);
|
|
printf("%llu\n", mlen+1);
|
|
|
|
/* Modified OTS sig */
|
|
sm[5] ^= 1;
|
|
sm[240] ^= 1;
|
|
r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
|
|
printf("%d\n", r+1);
|
|
if (r == 0) errors++;
|
|
r = memcmp(mi,mo,MLEN);
|
|
printf("%d\n", (r!=0) - 1);
|
|
printf("%llu\n", mlen+1);
|
|
|
|
/* Modified AUTH */
|
|
sm[240] ^= 1;
|
|
sm[signature_length - 10] ^= 1;
|
|
r = xmss_sign_open(mo, &mlen, sm, smlen, pk);
|
|
printf("%d\n", r+1);
|
|
if (r == 0) errors++;
|
|
r = memcmp(mi,mo,MLEN);
|
|
printf("%d\n", (r!=0) - 1);
|
|
printf("%llu\n", mlen+1);
|
|
}
|
|
|
|
printf("#errors = %lu\n", errors);
|
|
return 0;
|
|
}
|
|
|
|
|