Files
GmSSL/demos/src/rand_demo.c
Zhi Guan 2c988b008b Update demos
To build demos, run
`cmake .. -DENABLE_DEMOS=ON`
2023-12-16 11:42:10 +08:00

39 lines
764 B
C

/*
* Copyright 2014-2023 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/rand.h>
int main(int argc, char **argv)
{
uint8_t buf[1024];
size_t i;
if (rand_bytes(buf, 32) != 1) {
fprintf(stderr, "rand_bytes() failure\n");
return 1;
}
printf("rand_bytes() output: ");
for (i = 0; i < 32; i++) {
printf("%02x", buf[i]);
}
printf("\n");
if (rand_bytes(buf, sizeof(buf)) != 1) {
fprintf(stderr, "rand_bytes() failure, maybe %zu is too long\n", sizeof(buf));
return 1;
}
return 0;
}