Fabrizio Tarizzo

New OpenPGP Specification

2

This PR adds a partial support for the new [OpenPGP Specification](https://datatracker.ietf.org/doc/draft-ietf-openpgp-crypto-refresh/) ("Crypto-Refresh" draft, currently in RFC Editor publication queue). Ported from bc-java when possible. - New signing algos Ed25519, Ed448...

Port of Argon2BytesGenerator, Argon2Parameters and ICharToByteConverter/PasswordConverter from bc-java, with unit tests.

Support for the "Deprecation" Response Header (RFC 9745)

7

### Is there an existing issue for this? - [x] I have searched the existing issues ### Is your feature request related to a problem? Please describe the problem. Supporting...