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/* Copyright 2014, Kenneth MacKay. Licensed under the BSD 2-clause license. */
#include "uECC.h"
#include <stdio.h>
#include <string.h>
void vli_print(char *str, uint8_t *vli, unsigned int size) {
printf("%s ", str);
for(unsigned i=0; i<size; ++i) {
printf("%02X ", (unsigned)vli[i]);
}
printf("\n");
}
int main() {
int i;
int success;
uint8_t private[32];
uint8_t public[64];
uint8_t public_computed[64];
int c;
const struct uECC_Curve_t * curves[5];
int num_curves = 0;
#if uECC_SUPPORTS_secp160r1
curves[num_curves++] = uECC_secp160r1();
#endif
#if uECC_SUPPORTS_secp192r1
curves[num_curves++] = uECC_secp192r1();
#endif
#if uECC_SUPPORTS_secp224r1
curves[num_curves++] = uECC_secp224r1();
#endif
#if uECC_SUPPORTS_secp256r1
curves[num_curves++] = uECC_secp256r1();
#endif
#if uECC_SUPPORTS_secp256k1
curves[num_curves++] = uECC_secp256k1();
#endif
printf("Testing 256 random private key pairs\n");
for (c = 0; c < num_curves; ++c) {
for (i = 0; i < 256; ++i) {
printf(".");
fflush(stdout);
memset(public, 0, sizeof(public));
memset(public_computed, 0, sizeof(public_computed));
if (!uECC_make_key(public, private, curves[c])) {
printf("uECC_make_key() failed\n");
continue;
}
if (!uECC_compute_public_key(private, public_computed, curves[c])) {
printf("uECC_compute_public_key() failed\n");
}
if (memcmp(public, public_computed, sizeof(public)) != 0) {
printf("Computed and provided public keys are not identical!\n");
vli_print("Computed public key = ", public_computed, sizeof(public_computed));
vli_print("Provided public key = ", public, sizeof(public));
vli_print("Private key = ", private, sizeof(private));
}
}
printf("\n");
printf("Testing private key = 0\n");
memset(private, 0, sizeof(private));
success = uECC_compute_public_key(private, public_computed, curves[c]);
if (success) {
printf("uECC_compute_public_key() should have failed\n");
}
printf("\n");
}
return 0;
}
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