ZeroTierOne/attic/encrypt

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2014-08-15 16:59:07 +00:00
#!/bin/bash
export PATH=/bin:/usr/bin
if [ ! -e /usr/bin/openssl ]; then
echo $0: requires /usr/bin/openssl, please install openssl tools
exit 1
fi
if [ "$#" -lt 1 ]; then
echo $0: Usage: $0 '<input>' '[output]'
exit 1
fi
if [ ! -r "$1" ]; then
echo $0: $1 does not exist or is not readable.
exit 1
fi
outpath="$1.aes"
if [ "$#" -ge 2 ]; then
outpath="$2"
fi
if [ -f "$outpath" ]; then
echo $0: $outpath already exists, delete or rename first.
exit 1
fi
openssl aes-256-cbc -salt -in "$1" -out "$outpath"
echo $0: wrote "$outpath"