amy/tiny-ECDH-c
1
0
Fork 0
forked from Cyclic0007/tiny-ECDH-c
Code Pull Requests Activity

Update ecdh_example.c

Browse Source
This commit is contained in:
kokke
2018-05-16 23:16:44 +02:00
committed by GitHub
parent 3d4b38c0b1
commit 58c937f039
1 changed files with 32 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
ecdh_example.c
View File

@@ -26,6 +26,7 @@
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "ecdh.h"
@@ -119,6 +120,36 @@ static void ecdh_demo(void)
void ecdsa_demo()
{
static uint8_t prv[ECC_PRV_KEY_SIZE];
static uint8_t pub[ECC_PUB_KEY_SIZE];
static uint8_t msg[ECC_PRV_KEY_SIZE];
static uint8_t signature[ECC_PUB_KEY_SIZE];
static uint8_t k[ECC_PRV_KEY_SIZE];
uint32_t i;
srand(time(0));
srand(42);
for (i = 0; i < ECC_PRV_KEY_SIZE; ++i)
{
prv[i] = rand();
msg[i] = prv[i] ^ rand();
k[i] = rand();
}
/* int ecdsa_sign(const uint8_t* private, const uint8_t* hash, uint8_t* random_k, uint8_t* signature);
int ecdsa_verify(const uint8_t* public, const uint8_t* hash, uint8_t* signature); */
ecdh_generate_keys(pub, prv);
/* No asserts - ECDSA functionality is broken... */
ecdsa_sign((const uint8_t*)prv, msg, k, signature);
ecdsa_verify((const uint8_t*)pub, msg, (const uint8_t*)signature); /* fails... */
}
int main(int argc, char* argv[])
{
int i;
@@ -132,6 +163,7 @@ int main(int argc, char* argv[])
for (i = 0; i < ncycles; ++i)
{
ecdh_demo();
ecdsa_demo();
}
return 0;