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/*
* test-rpc_get_random.c
* ---------------------
* Test code for RPC interface to Cryptech hash cores.
*
* Copyright (c) 2016, NORDUnet A/S
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the NORDUnet nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <hal.h>
#define DEFAULT_LEN 16
static void hexdump(uint8_t *buf, int len)
{
for (int i = 0; i < len; ++i)
printf("%02x%c", buf[i], ((i & 0x07) == 0x07) ? '\n' : ' ');
if ((len & 0x07) != 0)
printf("\n");
}
int main(int argc, char *argv[])
{
int len = 0;
if (argc > 1)
len = atoi(argv[1]);
if (len <= 0) /* no arg, or bad arg */
len = DEFAULT_LEN;
uint8_t rnd[len];
#define check(op) { hal_error_t err; if ((err = (op)) != HAL_OK) { printf("%s: %s\n", #op, hal_error_string(err)); return 1; } }
check(hal_rpc_client_init());
check(hal_rpc_get_random(rnd, sizeof(rnd)));
hexdump(rnd, len);
check(hal_rpc_client_close());
return 0;
}
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