39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "ed25519.h"
|
|
|
|
char *msg = "Hello World";
|
|
|
|
int main(int argc, char *argv[]) {
|
|
unsigned char sk[64], vk[32];
|
|
unsigned char *sigmsg, *newmsg;
|
|
unsigned long long sigmsglen, newmsglen;
|
|
int ret;
|
|
ed25519_sign_keypair(vk, sk, "0123456890123456789012");
|
|
printf("got keypair\n");
|
|
sigmsg = malloc(strlen(msg)+1+64);
|
|
if (!sigmsg)
|
|
return 1;
|
|
ed25519_sign(sigmsg, &sigmsglen, (unsigned char *)msg, strlen(msg)+1, sk);
|
|
printf("got signature\n");
|
|
if (sigmsglen != strlen(msg)+1+64)
|
|
return 2;
|
|
newmsg = malloc(sigmsglen);
|
|
if (!newmsg)
|
|
return 3;
|
|
ret = ed25519_sign_open(newmsg, &newmsglen, sigmsg, sigmsglen, vk);
|
|
printf("verified signature\n");
|
|
if (ret == 0)
|
|
printf("good!\n");
|
|
else
|
|
printf("bad\n");
|
|
sigmsg[0] ^= 0x01;
|
|
ret = ed25519_sign_open(newmsg, &newmsglen, sigmsg, sigmsglen, vk);
|
|
if (ret == 0)
|
|
printf("bad: failed to detect simple corruption\n");
|
|
else
|
|
printf("good: detected simple corruption\n");
|
|
return 0;
|
|
} |