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constant time for scalar operations #72

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omershlo opened this issue Nov 13, 2019 · 0 comments
Open

constant time for scalar operations #72

omershlo opened this issue Nov 13, 2019 · 0 comments
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constant time changes to make the code immune as much as possible to side channel attacks cryptography

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@omershlo
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Operations on scalars were never optimized for constant time.
example:
https://github.com/KZen-networks/curv/blob/master/src/elliptic/curves/secp256_k1.rs#L131 will leak the size of Secp256k1Scalar.

Code can be found here:
https://github.com/KZen-networks/curv/tree/master/src/elliptic/curves
@omershlo omershlo added constant time changes to make the code immune as much as possible to side channel attacks cryptography labels Nov 13, 2019
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@omershlo