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Circuit for ED25519 not working due to Global_P #66

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garvitgoel opened this issue Dec 14, 2021 · 0 comments
Open

Circuit for ED25519 not working due to Global_P #66

garvitgoel opened this issue Dec 14, 2021 · 0 comments

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@garvitgoel
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I am working on a circuit to verify ed25519 signatures. The problem I am facing is that the Global_P hardcoded in the compiler is set according to altbn128, which is different from the finite field prime used by ed25519. Circom applies a modulo Global_P for every operation which means I can't perform arithmetic operations according to ed25519.
Is there a workaround for this?
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@garvitgoel