golang-github-calmh-luhn-dev 1.0.0-1 (amd64 binary) in ubuntu bionic

 Package luhn provides a Luhn-mod-N implementation in Go.
 Function generate returns a check digit for the string s,
 which should be composed of characters from the Alphabet a.
 Function validate returns true if the last character of the
 string s is correct, for a string s composed of characters
 in the alphabet a.