Remove code duplication in the functional interface
This commit is contained in:
parent
2073d31a15
commit
4da10180d9
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@ -1,11 +1,10 @@
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import assert from "assert";
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import {Keypair} from "./keypair";
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import {PrivateKey} from "./privateKey";
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import {PublicKey} from "./publicKey";
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import {Signature} from "./signature";
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import {toBuffer} from "../helpers/utils";
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import {IBls} from "../interface";
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export * from "../constants";
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import {functionalInterfaceFactory} from "../functional";
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export {Keypair, PrivateKey, PublicKey, Signature};
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@ -16,113 +15,13 @@ export function destroy(): void {
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// Native bindings require no destroy() call
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}
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/**
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* Signs given message using secret key.
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* @param secretKey
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* @param messageHash
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*/
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export function sign(secretKey: Uint8Array, messageHash: Uint8Array): Buffer {
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assert(secretKey, "secretKey is null or undefined");
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assert(messageHash, "messageHash is null or undefined");
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const privateKey = PrivateKey.fromBytes(toBuffer(secretKey));
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return privateKey.signMessage(toBuffer(messageHash)).toBytes();
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}
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/**
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* Compines all given signature into one.
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* @param signatures
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*/
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export function aggregateSignatures(signatures: Uint8Array[]): Buffer {
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const agg = Signature.aggregate(signatures.map((p) => Signature.fromBytes(p)));
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return agg.toBytes();
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}
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/**
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* Combines all given public keys into single one
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* @param publicKeys
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*/
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export function aggregatePubkeys(publicKeys: Uint8Array[]): Buffer {
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const agg = PublicKey.aggregate(publicKeys.map((p) => PublicKey.fromBytes(p)));
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return agg.toBytes();
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}
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/**
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* Verifies if signature is message signed with given public key.
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* @param publicKey
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* @param messageHash
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* @param signature
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*/
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export function verify(publicKey: Uint8Array, messageHash: Uint8Array, signature: Uint8Array): boolean {
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assert(publicKey, "publicKey is null or undefined");
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assert(messageHash, "messageHash is null or undefined");
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assert(signature, "signature is null or undefined");
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try {
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return PublicKey.fromBytes(publicKey).verifyMessage(
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Signature.fromBytes(toBuffer(signature)),
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toBuffer(messageHash)
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);
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} catch (e) {
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return false;
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}
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}
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/**
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* Verifies if aggregated signature is same message signed with given public keys.
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* @param publicKeys
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* @param messageHash
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* @param signature
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*/
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export function verifyAggregate(publicKeys: Uint8Array[], messageHash: Uint8Array, signature: Uint8Array): boolean {
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assert(publicKeys, "publicKey is null or undefined");
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assert(messageHash, "messageHash is null or undefined");
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assert(signature, "signature is null or undefined");
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try {
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return Signature.fromBytes(signature).verifyAggregate(
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publicKeys.map((pubkey) => PublicKey.fromBytes(pubkey)),
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messageHash
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);
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} catch (e) {
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return false;
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}
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}
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/**
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* Verifies if signature is list of message signed with corresponding public key.
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* @param publicKeys
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* @param messageHashes
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* @param signature
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* @param fast Check if all messages are different
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*/
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export function verifyMultiple(publicKeys: Uint8Array[], messageHashes: Uint8Array[], signature: Uint8Array): boolean {
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assert(publicKeys, "publicKey is null or undefined");
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assert(messageHashes, "messageHash is null or undefined");
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assert(signature, "signature is null or undefined");
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if (publicKeys.length === 0 || publicKeys.length != messageHashes.length) {
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return false;
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}
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try {
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return Signature.fromBytes(toBuffer(signature)).verifyMultiple(
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publicKeys.map((key) => PublicKey.fromBytes(toBuffer(key))),
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messageHashes.map((m) => toBuffer(m))
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);
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} catch (e) {
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return false;
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}
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}
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const bls: IBls = {
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sign,
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aggregateSignatures,
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aggregatePubkeys,
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verify,
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verifyAggregate,
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verifyMultiple,
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export const bls: IBls = {
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// Keypair,
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PrivateKey,
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PublicKey,
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Signature,
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...functionalInterfaceFactory({PrivateKey, PublicKey, Signature}),
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initBLS,
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destroy,
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};
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@ -0,0 +1,109 @@
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import assert from "assert";
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import {IBls} from "./interface";
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export function functionalInterfaceFactory({
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PrivateKey,
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PublicKey,
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Signature,
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}: Pick<IBls, "PrivateKey" | "PublicKey" | "Signature">) {
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/**
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* Signs given message using secret key.
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* @param secretKey
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* @param messageHash
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*/
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function sign(secretKey: Uint8Array, messageHash: Uint8Array): Buffer {
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assert(secretKey, "secretKey is null or undefined");
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assert(messageHash, "messageHash is null or undefined");
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const privateKey = PrivateKey.fromBytes(secretKey);
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return privateKey.signMessage(messageHash).toBytes();
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}
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/**
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* Compines all given signature into one.
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* @param signatures
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*/
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function aggregateSignatures(signatures: Uint8Array[]): Buffer {
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const agg = Signature.aggregate(signatures.map((p) => Signature.fromBytes(p)));
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return agg.toBytes();
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}
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/**
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* Combines all given public keys into single one
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* @param publicKeys
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*/
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function aggregatePubkeys(publicKeys: Uint8Array[]): Buffer {
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const agg = PublicKey.aggregate(publicKeys.map((p) => PublicKey.fromBytes(p)));
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return agg.toBytes();
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}
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/**
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* Verifies if signature is message signed with given public key.
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* @param publicKey
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* @param messageHash
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* @param signature
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*/
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function verify(publicKey: Uint8Array, messageHash: Uint8Array, signature: Uint8Array): boolean {
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assert(publicKey, "publicKey is null or undefined");
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assert(messageHash, "messageHash is null or undefined");
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assert(signature, "signature is null or undefined");
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try {
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return Signature.fromBytes(signature).verify(PublicKey.fromBytes(publicKey), messageHash);
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} catch (e) {
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return false;
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}
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}
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/**
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* Verifies if aggregated signature is same message signed with given public keys.
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* @param publicKeys
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* @param messageHash
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* @param signature
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*/
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function verifyAggregate(publicKeys: Uint8Array[], messageHash: Uint8Array, signature: Uint8Array): boolean {
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assert(publicKeys, "publicKey is null or undefined");
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assert(messageHash, "messageHash is null or undefined");
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assert(signature, "signature is null or undefined");
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try {
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return Signature.fromBytes(signature).verifyAggregate(
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publicKeys.map((pubkey) => PublicKey.fromBytes(pubkey)),
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messageHash
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);
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} catch (e) {
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return false;
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}
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}
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/**
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* Verifies if signature is list of message signed with corresponding public key.
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* @param publicKeys
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* @param messageHashes
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* @param signature
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* @param fast Check if all messages are different
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*/
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function verifyMultiple(publicKeys: Uint8Array[], messageHashes: Uint8Array[], signature: Uint8Array): boolean {
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assert(publicKeys, "publicKey is null or undefined");
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assert(messageHashes, "messageHash is null or undefined");
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assert(signature, "signature is null or undefined");
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if (publicKeys.length === 0 || publicKeys.length != messageHashes.length) {
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return false;
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}
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try {
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return Signature.fromBytes(signature).verifyMultiple(
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publicKeys.map((publicKey) => PublicKey.fromBytes(publicKey)),
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messageHashes.map((msg) => msg)
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);
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} catch (e) {
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return false;
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}
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}
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return {
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sign,
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aggregateSignatures,
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aggregatePubkeys,
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verify,
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verifyAggregate,
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verifyMultiple,
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};
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}
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@ -3,120 +3,18 @@ import {PrivateKey} from "./privateKey";
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import {PublicKey} from "./publicKey";
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import {Signature} from "./signature";
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import {initBLS, destroy} from "./context";
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import assert from "assert";
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import {toBuffer} from "../helpers/utils";
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import {IBls} from "../interface";
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import {functionalInterfaceFactory} from "../functional";
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export {Keypair, PrivateKey, PublicKey, Signature, initBLS, destroy};
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/**
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* Signs given message using secret key.
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* @param secretKey
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* @param messageHash
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*/
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export function sign(secretKey: Uint8Array, messageHash: Uint8Array): Buffer {
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assert(secretKey, "secretKey is null or undefined");
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assert(messageHash, "messageHash is null or undefined");
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const privateKey = PrivateKey.fromBytes(toBuffer(secretKey));
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return privateKey.signMessage(toBuffer(messageHash)).toBytes();
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}
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/**
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* Compines all given signature into one.
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* @param signatures
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*/
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export function aggregateSignatures(signatures: Uint8Array[]): Buffer {
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assert(signatures, "signatures is null or undefined");
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const agg = Signature.aggregate(signatures.map((signature): Signature => Signature.fromBytes(signature)));
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return agg.toBytes();
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}
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/**
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* Combines all given public keys into single one
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* @param publicKeys
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*/
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export function aggregatePubkeys(publicKeys: Uint8Array[]): Buffer {
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assert(publicKeys, "publicKeys is null or undefined");
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const agg = PublicKey.aggregate(publicKeys.map((pk) => PublicKey.fromBytes(pk)));
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return agg.toBytes();
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}
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/**
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* Verifies if signature is message signed with given public key.
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* @param publicKey
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* @param messageHash
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* @param signature
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*/
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export function verify(publicKey: Uint8Array, messageHash: Uint8Array, signature: Uint8Array): boolean {
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assert(publicKey, "publicKey is null or undefined");
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assert(messageHash, "messageHash is null or undefined");
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assert(signature, "signature is null or undefined");
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try {
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return PublicKey.fromBytes(publicKey).verifyMessage(
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Signature.fromBytes(toBuffer(signature)),
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toBuffer(messageHash)
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);
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} catch (e) {
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return false;
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}
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}
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/**
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* Verifies if aggregated signature is same message signed with given public keys.
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* @param publicKeys
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* @param messageHash
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* @param signature
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*/
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export function verifyAggregate(publicKeys: Uint8Array[], messageHash: Uint8Array, signature: Uint8Array): boolean {
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assert(publicKeys, "publicKey is null or undefined");
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assert(messageHash, "messageHash is null or undefined");
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assert(signature, "signature is null or undefined");
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try {
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return Signature.fromBytes(signature).verifyAggregate(
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publicKeys.map((pubkey) => PublicKey.fromBytes(pubkey)),
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messageHash
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);
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} catch (e) {
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return false;
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}
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}
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/**
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* Verifies if signature is list of message signed with corresponding public key.
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* @param publicKeys
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* @param messageHashes
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* @param signature
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*/
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export function verifyMultiple(publicKeys: Uint8Array[], messageHashes: Uint8Array[], signature: Uint8Array): boolean {
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assert(publicKeys, "publicKey is null or undefined");
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assert(messageHashes, "messageHash is null or undefined");
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assert(signature, "signature is null or undefined");
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if (publicKeys.length === 0 || publicKeys.length != messageHashes.length) {
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return false;
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}
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try {
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return Signature.fromBytes(toBuffer(signature)).verifyMultiple(
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publicKeys.map((key) => PublicKey.fromBytes(toBuffer(key))),
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messageHashes.map((m) => toBuffer(m))
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);
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} catch (e) {
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return false;
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}
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}
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const bls: IBls = {
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sign,
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aggregateSignatures,
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aggregatePubkeys,
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verify,
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verifyAggregate,
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verifyMultiple,
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// Keypair,
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PrivateKey,
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PublicKey,
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Signature,
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...functionalInterfaceFactory({PrivateKey, PublicKey, Signature}),
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initBLS,
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destroy,
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};
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