98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "../xmss.h"
|
|
|
|
#define MLEN 3491
|
|
#define SIGNATURES 1024
|
|
|
|
unsigned char pk[64];
|
|
unsigned char mi[MLEN];
|
|
unsigned long long smlen;
|
|
unsigned long long mlen;
|
|
|
|
int main()
|
|
{
|
|
int r;
|
|
unsigned long long i,j;
|
|
int m = 32;
|
|
int n = 32;
|
|
int h = 10;
|
|
int d = 2;
|
|
int w = 16;
|
|
|
|
xmssmt_params p;
|
|
xmssmt_params *params = &p;
|
|
xmssmt_set_params(params, m, n, h, d, w);
|
|
|
|
unsigned char sk[(params->index_len+2*n+m)];
|
|
|
|
unsigned long long signature_length = params->index_len + m + (d*params->xmss_par.wots_par.keysize) + h*n;
|
|
unsigned char mo[MLEN+signature_length];
|
|
unsigned char sm[MLEN+signature_length];
|
|
|
|
FILE *urandom = fopen("/dev/urandom", "r");
|
|
for(i=0;i<MLEN;i++) mi[i] = fgetc(urandom);
|
|
|
|
printf("keypair\n");
|
|
xmssmt_keypair(pk, sk, params);
|
|
// check pub_seed in SK
|
|
for(i=0;i<n;i++)
|
|
{
|
|
if(pk[n+i] != sk[params->index_len+m+n+i]) printf("pk.pub_seed != sk.pub_seed %llu",i);
|
|
}
|
|
printf("pk checked\n");
|
|
|
|
unsigned int idx_len = params->index_len;
|
|
// check index
|
|
unsigned long long idx = 0;
|
|
for(i = 0; i < idx_len; i++){
|
|
idx |= ((unsigned long long)sk[i]) << 8*(idx_len - 1 - i);
|
|
}
|
|
|
|
if(idx) printf("\nidx != 0: %llu\n",idx);
|
|
|
|
for(i=0;i<SIGNATURES;i++){
|
|
printf("sign\n");
|
|
xmssmt_sign(sk, sm, &smlen, mi, MLEN, params);
|
|
idx = 0;
|
|
for(j = 0; j < idx_len; j++){
|
|
idx |= ((unsigned long long)sm[j]) << 8*(idx_len - 1 - j);
|
|
}
|
|
printf("\nidx = %lu\n",idx);
|
|
r = memcmp(mi, sm+signature_length,MLEN);
|
|
printf("%d\n", r);
|
|
|
|
/* Test valid signature */
|
|
printf("verify\n");
|
|
r = xmssmt_sign_open(mo, &mlen, sm, smlen, pk, params);
|
|
printf("%d\n", r);
|
|
r = memcmp(mi,mo,MLEN);
|
|
printf("%d\n", r);
|
|
printf("%llu\n", MLEN-mlen);
|
|
|
|
/* Test with modified message */
|
|
sm[52] ^= 1;
|
|
r = xmssmt_sign_open(mo, &mlen, sm, smlen, pk, params);
|
|
printf("%d\n", r+1);
|
|
r = memcmp(mi,mo,MLEN);
|
|
printf("%d\n", (r!=0) - 1);
|
|
printf("%llu\n", mlen+1);
|
|
|
|
/* Test with modified signature */
|
|
sm[260] ^= 1;
|
|
sm[52] ^= 1;
|
|
sm[2] ^= 1;
|
|
r = xmssmt_sign_open(mo, &mlen, sm, smlen, pk, params);
|
|
printf("%d\n", r+1);
|
|
r = memcmp(mi,mo,MLEN);
|
|
printf("%d\n", (r!=0) - 1);
|
|
printf("%llu\n", mlen+1);
|
|
|
|
}
|
|
fclose(urandom);
|
|
return 0;
|
|
}
|
|
|
|
|