Thanks you for the detailed explanation Thomas :) Gary
On Sat, Jul 20, 2024, 12:34 PM Thomas Wolf <tw...@apache.org> wrote: > On 20.07.24 14:52 , Gary Gregory wrote: > > Could this be achieved via a mock, if only to validate that a regression > > won't happen? > > Assuming we'd want to test that on an XDH instantiated > with raw=true calculateK() returns the full 32 bytes > of the secret resulting from a curve25519 key agreement > even if that secret starts with a zero byte: > > I don't see how. Would require instantiating XDH with a > mocked MontgomeryCurve. MontgomeryCurve is an enum and > cannot be mocked. > > Even if I'd introduce an interface, I'd then have to stub > createKeyAgreement() to return a mocked KeyAgreement, on > which I'd then want to stub several methods. But those > methods are final. > > Cheers, > > Thomas >
