feat: simplify zeroizing and add test to DHKE #197
Merged
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Simplifies the implementation of zeroizing support for Diffie-Hellman key exchanges and improves test coverage.
Currently, the
DiffieHellmanSharedSecret
struct has manual implementations ofzeroize
anddrop
to handle zeroizing. Now that we have a more modern version ofzeroize
as a dependency, we can do better. This PR uses that crate'sZeroize
andZeroizeOnDrop
derived traits to handle this more cleanly. It also adds a sanity check that the byte representations of both sides of a key exchange match, which improves test coverage.Partially addresses #196.