1 #!/bin/sh
2 #
3 # usage: fingerprint <file>
4 # dump a fingerprint of the given file.
5 
6 file="${1?:missing file name}"
7 
8 printf "SHA256:"
9 openssl x509 -in "$file" -noout -fingerprint -sha256 |
10 	sed -e 's/^.*=//' -e 's/://g' |
11 	tr A-Z a-z