Bob sends back again the generated PrivkeyPart to Alice. The partial private important does not let any person to guess the final Alice's private key. A simple tool for building and filtering vanity GPG keys, c0nCurr3nt1Y - GitHub - RedL0tus/VanityGPG: An easy tool for generating and filtering vanity GPG keys, https://benjamini173fda6.mysticwiki.com/user