feat: simplify zeroizing and add test to DHKE #197
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AaronFeickert
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AaronFeickert
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ZeroizeOnDrop and test to DHKE
SWvheerden
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Aug 21, 2023
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Simplifies the implementation of zeroizing support for Diffie-Hellman key exchanges and improves test coverage.
Currently, the
DiffieHellmanSharedSecretstruct has manual implementations ofzeroizeanddropto handle zeroizing. Now that we have a more modern version ofzeroizeas a dependency, we can do better. This PR uses that crate'sZeroizeandZeroizeOnDropderived 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.