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