Commits on Dec 13, 2023

1. Initial support for JWE …

   Partial support for JWE encode and decode.  Basic use is now possible
   both for encryption and decryption.  Both GCM and CPC modes work for
   encrypt, decrypt is CPC only for now.  For algorithms, RSA-OAEP works
   both ways.  Deflate support is still missing, which is stated as
   mandatory for RFC 7516.  Compact serialization and deserialization
   work.
   
   JWEs' one ciphertext for potentially multiple recipients has been
   modeled with the same type variable usage that JWS uses for
   General/Flattened/Compact divide.  CEK wrapping and unwrapping, and
   ciphertext generation and decode are represented as two stages of
   functions for each step.
   
   More future work: JSON serializations likely still need more
   attention.  Crypto.JOSE.Header may need some expanding to model shared
   and non-shared unprotected headers and what lenses to expose for JWEs
   needs consideration since arbitrary modifications may lead to invalid
   JWE data.

   

   kaol committed Dec 13, 2023
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