Lukas Burkhalter af96628855 Add support for v6 one-pass signature packets
Introduces v6 one-pass signature packets required for v6 signatures.
Includes the changes from !305 of the crypto refresh:
https://gitlab.com/openpgp-wg/rfc4880bis/-/merge_requests/305

Also, introduce `OnePassSignaturePacket.fromSignaturePacket` to simplify
OPS generation.
2023-10-25 12:53:12 +02:00
..
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