blob: ea4cb5f64032b55f3056c70473f43ddf66aa0260 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
#!/usr/bin/perl
#
# Test program for /dev/random
# Read and display random numbers.
# Try tapping shift/alt/ctrl to get more randomness.
#
# $FreeBSD$
#
for (;;) {
open(BIN, "/dev/random") || die "Cannot open /dev/random - $!\n";
$len = sysread(BIN, $a, 128);
close(BIN);
if ($len > 0) {
print "$len bytes read: ";
for ($j = 0; $j < $len; $j++) {
$k = unpack("C", substr($a, $j, 1));
printf("%.2X ", $k);
}
printf "\n";
}
}
|
