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Thanks for the nice project! There are some overlaps in goals with the [hacspec](https://github.com/hacspec/hacspec/) project.
Cryptographic primitives have been specified there, and some work on ZK …
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Hello all,
I think there is some odd behavior in the marshalling and unmarshalling of Elements (points) in the Ristreto curve found in `group.ristreto255`.
The structs in question implement the `…
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# 🚀 Feature Request
## Motivation
It is easy to forget to add the `* MUL` at the end of every gas cost in `aptos-move/aptos-gas/src/aptos-framework.rs`. This could lead to bugs.
## Pitch
*…
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**Describe the bug**
I got error `php: symbol lookup error: php: undefined symbol: crypto_core_ristretto255_scalar_invert` on Setup Tools.
The same configuration worked with PHP 8.3.6 a week ago. No…
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See curve25519 scalar field arithmetic for reference:
https://github.com/dalek-cryptography/curve25519-dalek/blob/master/src/backend/serial/u64/scalar.rs
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Sphinx asks for several independent hash functions accepting a group element as input and various keys as outputs, for this a KDF is the suitable answer. HKDF-SHA256 is fine. Blake2b would be faster a…
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Currently the Curve25519-specific arithmetic is closely-coupled to its use in this EdDSA implementation. Part of the reason for this was to make it theoretically easier to generically support other Ed…
str4d updated
5 years ago
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This would be a good group project for interns interested in internal standards and self-sovereign identity, and with different skills (writing specs, testing, coding javascript, coding C or rust, wri…
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Our circuit is over a field `Fp` where `p - 1 = 2^k * t` with `t` odd and integer `k > 0`. (`k` is often around `32` in practice.) Let `a` be a nonzero square. The prover will witness `b` such that `b…
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https://blog.cryptographyengineering.com/2018/10/19/lets-talk-about-pake/
I am using croc. What do you think of OPAQUE ?