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qnap-rc-scripts/openssl_signature.sh
2016-09-04 22:20:40 +03:00

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#!/bin/sh
OPENSSL="/usr/bin/openssl"
case "$1" in
sign)
$OPENSSL dgst -sha1 < $2 > /tmp/hash
$OPENSSL rsautl -sign -inkey $4 -keyform PEM -in hash > $3
exit 0
;;
verify)
hash=`$OPENSSL dgst -sha1 < $2`
verified=`$OPENSSL rsautl -verify -inkey $4 -keyform PEM -certin -in $3`
if [ "${verified}" = "${hash}" ]; then
echo "Verified"
exit 0
else
echo "Invalid"
exit 1
fi
;;
*)
echo "Usage: openssl_signature {sign|verify}\n"
echo "sign: openssl_signature sign [file path] [signature path] [private key] "
echo "verify: openssl_signature verify [file path] [signature path] [public key] "
exit 1
;;
esac
exit 0