fernet-go 0.0~git20180830.9eac43b-2build2 (amd64 binary) in ubuntu hirsute

 This library takes a user-provided *message* (an arbitrary sequence of
 bytes), a *key* (256 bits), and the current time, and produces a
 *token*, which contains the message in a form that can't be read
 or altered without the key.
 .
 This package is compatible with the other implementations at
 https://github.com/fernet. They can exchange tokens freely among
 each other.
 .
 This package contains files that is tool using
 golang-github-fernet-fernet-go-dev.