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Left shift overflow when calculating `max_degree` #49

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dark64 opened this issue Feb 8, 2023 · 0 comments

dark64 commented Feb 8, 2023 •

edited

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bellman/src/domain.rs

Line 64 in 3aa6226

let max_degree = (1 << E::Fr::S) - 1;

bellman/src/domain.rs

Line 116 in 3aa6226

let max_degree = (1 << E::Fr::S) - 1;

This code fails when compiled to wasm with

panicked at 'attempt to shift left with overflow', 
/home/darko/.cargo/registry/src/github.com-1ecc6299db9ec823/bellman_ce-0.3.5/src/domain.rs:64:26

when E::Fr::S is greater or equal to 32, which seems to be the case with curve bls12_381.

The text was updated successfully, but these errors were encountered:

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