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modular: Document FpPow

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Paul Miller 2023-08-21 15:52:21 +00:00
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commit d285fcce06
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src/abstract/modular.ts
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@ -265,6 +265,11 @@ export function validateField<T>(field: IField<T>) {
}
// Generic field functions
/**
* Same as `pow` but for Fp: non-constant-time.
* Unsafe in some contexts: uses ladder, so can expose bigint bits.
*/
export function FpPow<T>(f: IField<T>, num: T, power: bigint): T {
// Should have same speed as pow for bigints
// TODO: benchmark!