50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
|
|
* GraxRabble
|
|
* Demo programs for libsodium.
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <sodium.h> /* library header */
|
|
|
|
#include "utils.h" /* utility functions shared by demos */
|
|
|
|
/*
|
|
* Short hash is a fast algorithm intended for hash tables and anything
|
|
* else that does not require data integrity. There is the added benefit
|
|
* of a key which will alter the output of the hash.
|
|
*/
|
|
void
|
|
shorthash(void)
|
|
{
|
|
unsigned char k[crypto_shorthash_KEYBYTES]; /* key */
|
|
unsigned char h[crypto_shorthash_BYTES]; /* hash output */
|
|
unsigned char m[MAX_INPUT_SIZE]; /* message */
|
|
size_t mlen; /* length */
|
|
|
|
puts("Example: crypto_shorthash\n");
|
|
|
|
memset(k, 0, sizeof k);
|
|
prompt_input("Input your key > ", (char*)k, sizeof k);
|
|
|
|
mlen = prompt_input("Input your message > ", (char*)m, sizeof m);
|
|
putchar('\n');
|
|
|
|
printf("Hashing message with %s\n", crypto_shorthash_primitive());
|
|
crypto_shorthash(h, m, mlen, k);
|
|
fputs("Hash: ", stdout);
|
|
print_hex(h, sizeof h);
|
|
putchar('\n');
|
|
putchar('\n');
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
init();
|
|
shorthash();
|
|
|
|
return 0;
|
|
}
|