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/usr/src/tools/test/devrandom
usr
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tools
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test
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devrandom
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hammer.random
(445 B)
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hammer.urandom
(582 B)
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stat.16bit
(694 B)
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stat.8bit
(690 B)
Editing: hammer.urandom
#!/usr/bin/perl # # Test program for /dev/urandom # Read and display random numbers. # This also reads /dev/zero to make sure there is no brokenness there. # # $FreeBSD$ # open(ZERO, "/dev/zero") || die "Cannot open /dev/zero - $!\n"; for (;;) { open(BIN, "/dev/urandom"); $len = sysread(BIN, $a, 20); sysread(ZERO, $b, 20); close(BIN); if ($len > 0) { for ($j = 0; $j < $len; $j += 2) { $k = unpack("S", substr($a, $j, 2)); $z = unpack("S", substr($b, $j, 2)); $z == 0 || die "/dev/zero is returning non-zero!\n"; printf("%.4X ", $k); } printf "\n"; } }
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