Crypto-API is stabilizing (Thomas DuBuisson)
jwlato at gmail.com
Fri Aug 27 05:22:39 EDT 2010
> From: Thomas DuBuisson <thomas.dubuisson at gmail.com>
> >>class (Binary p, Serialize p) => AsymCipher p where
> >> generateKeypair :: RandomGen g => g -> BitLength -> Maybe ((p,p),g)
> >> encryptAsym :: p -> B.ByteString -> B.ByteString
> >> decryptAsym :: p -> B.ByteString -> B.ByteString
> >> asymKeyLength :: p -> BitLength
> > Regarding AsymCipher:
> > Some algorithms do not lend themselves to encryption/decryption or have
> > special properties which differentiate their use in enc/dec an
> > signing/verifying.
> > I propose the following two additions for the class:
> > signAsym :: p -> B.ByteString -> B.ByteString
> > verifyAsym :: p -> B.ByteString -> Bool
> > This way algorithms can leave parts undefined which do not apply to
> > them or hide their different behaviour.
> I am strongly against classes for which we already know instanes will
> need a good deal of undefined routines.
I agree. However, you could just make separate type class for these
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