GPG works great if you use it to encrypt and decrypt emails manually as the authors intended. The PGP/GPG algorithms were never intended for use in APIs or web

GPG works great if you use it to encrypt and decrypt emails manually as the authors intended. The PGP/GPG algorithms were never intended for use in APIs or web interfaces. Ironically, it was the urge not to roll your own cryptography that got people caught in GPG-related security vulnerabilities.