Interface VartimeMultiscalarMul<C>

A trait for variable-time multiscalar multiplication without precomputation.

Implement for a group element.

interface VartimeMultiscalarMul<C extends Ciphersuite> {
    optionalMultiscalarMul(
        scalars: Scalar<C>[],
        elements: (Element<C> | undefined)[],
    ): Element<C> | undefined;
    vartimeMultiscalarMul(
        scalars: Scalar<C>[],
        elements: Element<C>[],
    ): Element<C>;
}

Type Parameters

C extends Ciphersuite

Index

Methods

optionalMultiscalarMul vartimeMultiscalarMul

Methods

optionalMultiscalarMul

optionalMultiscalarMul(
scalars: Scalar<C>[],
elements: (Element<C> | undefined)[],
): Element<C> | undefined
Given an iterator of public scalars and an iterator of Options of group elements, compute either Some(Q), where Q = c_1 * E_1 + ... + c_n * E_n, if all points were Some(E_i), or else return undefined.
Parameters
- scalars: Scalar<C>[]
- elements: (Element<C> | undefined)[]
Returns Element<C> | undefined
- Defined in scalar_mul.ts:198

vartimeMultiscalarMul

vartimeMultiscalarMul(scalars: Scalar<C>[], elements: Element<C>[]): Element<C>
Given an iterator of public scalars and an iterator of public group elements, compute Q = c_1 * E_1 + ... + c_n * E_n, using variable-time operations.

It is an error to call this function with two iterators of different lengths.
Parameters
- scalars: Scalar<C>[]
- elements: Element<C>[]
Returns Element<C>
- Defined in scalar_mul.ts:211