Go's crypto/openpgp package (http://golang.org/x/crypto/openpgp) is probably one...

elithrar on May 23, 2015 | parent | context | favorite | on: Cryptographic Right Answers

Go's crypto/openpgp package (http://golang.org/x/crypto/openpgp) is probably one of the closest "full" implementations, although it's a library and not a CLI binary.