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Support Ed25519ph (HashEdDSA) RFC 8032 Section 5 #243

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zamicol opened this issue Jun 3, 2022 · 2 comments
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Support Ed25519ph (HashEdDSA) RFC 8032 Section 5 #243

zamicol opened this issue Jun 3, 2022 · 2 comments

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@zamicol
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zamicol commented Jun 3, 2022 •
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See RFC 8032 Section 5.

The latest FIPS draft is requiring ed25519ph support.

As another comparison, Go 1.19 will implemented ed25519ph.

PyNaCl is also working on high level support.

For comparison with other algorithms, ECDSA (ES224, ES256, ES384, ES512) uses the "post hash" design pattern.
@dchest
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dchest commented Jun 4, 2022

This is probably out of scope for this project, since it's a port of the original TweetNaCl with some conveniences that don't involve changing or adding cryptographic primitives. However, I'll be happy to accept PRs in https://github.com/StableLib/stablelib for ed25519ph.

@zamicol
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zamicol commented Jun 4, 2022

That's a reasonable plan. 👍

Thank you for your work on this fantastic open source library.

@zamicol zamicol closed this as completed Jun 4, 2022
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@dchest @zamicol