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60 lines
1.3 KiB
TypeScript
60 lines
1.3 KiB
TypeScript
import { randomBytes } from 'crypto';
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const g = global as any;
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// Because curve wrapper will populate this
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g.Internal = {};
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// Because curve wrapper uses 'Module' to get at curve-provided functionality
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// tslint:disable-next-line
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g.Module = require('../../js/curve/curve25519_compiled');
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// tslint:disable-next-line
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require('../../js/curve/curve25519_wrapper');
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export type BinaryType = Uint8Array | Buffer;
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interface CurveType {
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keyPair: (
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privateKey: BinaryType
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) => {
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pubKey: BinaryType;
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privKey: BinaryType;
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};
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sign: (privateKey: BinaryType, message: BinaryType) => BinaryType;
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verify: (
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publicKey: BinaryType,
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message: BinaryType,
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signature: BinaryType
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) => boolean;
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}
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const {
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keyPair: internalKeyPair,
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sign: internalSign,
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verify: internalVerify,
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} = g.Internal.curve25519 as CurveType;
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export function keyPair() {
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const privateKey = randomBytes(32);
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const { pubKey, privKey } = internalKeyPair(privateKey);
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return {
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publicKey: pubKey,
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privateKey: privKey,
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};
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}
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export function sign(privateKey: BinaryType, message: BinaryType) {
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return internalSign(privateKey, message);
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}
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export function verify(
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publicKey: BinaryType,
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message: BinaryType,
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signature: BinaryType
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) {
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const failed = internalVerify(publicKey, message, signature);
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return !failed;
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}
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