Aron Wussler

- Add support for forwarding and symmetric keys - Add tests to prevent regressions

## Forwarding An offline OpenPGP user might want to automatically forward part or all of their email messages to third parties. Given that messages are encrypted, this requires transforming them...

Experimental: Implement PQC schemes

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Implement PQC schemes based on https://www.ietf.org/archive/id/draft-wussler-openpgp-pqc-00.html

Fix session key length generation

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If AEAD is in use, we should generate a session key of the length of the cipher suite. This triggers when a key has a different AEAD preference than the...

Some messages fail to decrypt because of nested signatures, that are not implemented. I attach a message and a key with nested signatures for testing. Password to the private key...

Add support in `openpgp/packet/signature.go` for Notation Data (https://tools.ietf.org/html/rfc4880#section-5.2.3.16), because encryption fails with keys with critical notation.

Add a getter for the primary key SHA256 fingerprint