15 lines
385 B
Bash
15 lines
385 B
Bash
#!/bin/sh
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umask 077
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bytes="$(cat /proc/sys/kernel/random/poolsize)" || bytes=512
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case "$1" in
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load)
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cp /var/lib/random-seed /dev/urandom >/dev/null 2>&1 || true
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dd if=/dev/urandom of=/var/lib/random-seed count=1 bs=$bytes >/dev/null 2>&1
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;;
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save)
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bytes=512; dd if=/dev/urandom of=/var/lib/random-seed count=1 bs=$bytes >/dev/null 2>&1
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;;
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esac
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