Miscellany

#!/bin/bash

# checkQR.bash [stamp] [key]
# For phototimestamping
# v0.1
# http://plasticliving.blogspot.com/2011/05/fun-with-qr-codes.html

secret_string="This super secret string should not be seen by anyone (not even me)"
secret_string_sha1=`echo "$secret_string" | gpg --print-md sha1 | sed 's/ //g'`

date_string=$1
check_string=$2

encode_string="$date_string | $secret_string_sha1"
encode_string_sha1=`echo "$encode_string" | gpg --print-md sha1 | sed 's/ //g'`

echo "       Encode string: $encode_string"
echo "        Right answer: $encode_string_sha1"
echo "         Your answer: $check_string"