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cfrg / draft-irtf-cfrg-bls-signature

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remove indirection in section 2? #3

Closed kwantam closed 4 years ago

kwantam commented 5 years ago

@hoeteck suggests in the below-quoted comment that we get rid of a layer of indirection in S2-S3.

See linked discussion for my initial thoughts.

I'm leaning towards not defining the {signature, pubkey}_subgroup_check routines because they create an additional level of indirection. Rather, just define subgroup_check that takes a point (which also determines E1 / E2) and checks whether it lies in the subgroup. That said, I understand we may want to specify E1/E2 more explicitly.

Originally posted by @hoeteck in https://github.com/cfrg/draft-irtf-cfrg-bls-signature/pull/1

kwantam commented 4 years ago

Closing this issue. Feel free to reopen if you want to discuss further!