Jaco Greeff
bdb14f91a8
* Pre-checks on verify input lengths * Small cleanup * Update error signatures
75 lines
2.1 KiB
TypeScript
75 lines
2.1 KiB
TypeScript
// Copyright 2017-2020 @polkadot/util-crypto authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { stringToU8a } from '@polkadot/util';
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import { waitReady } from '@polkadot/wasm-crypto';
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import { naclVerify, naclKeypairFromSeed } from '.';
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describe('naclVerify', (): void => {
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let publicKey: Uint8Array;
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let signature: Uint8Array;
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beforeEach(async (): Promise<void> => {
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await waitReady();
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publicKey = naclKeypairFromSeed(
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stringToU8a('12345678901234567890123456789012')
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).publicKey;
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signature = new Uint8Array([28, 58, 206, 239, 249, 70, 59, 191, 166, 40, 219, 218, 235, 170, 25, 79, 10, 94, 9, 197, 34, 126, 1, 150, 246, 68, 28, 238, 36, 26, 172, 163, 168, 90, 202, 211, 126, 246, 57, 212, 43, 24, 88, 197, 240, 113, 118, 76, 37, 81, 91, 110, 236, 50, 144, 134, 100, 223, 220, 238, 34, 185, 211, 7]);
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});
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it('validates a correctly signed message', (): void => {
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expect(
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naclVerify(
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new Uint8Array([0x61, 0x62, 0x63, 0x64]),
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signature,
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publicKey
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)
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).toEqual(true);
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});
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it('fails a correctly signed message (message changed)', (): void => {
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expect(
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naclVerify(
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new Uint8Array([0x61, 0x62, 0x63, 0x64, 0x65]),
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signature,
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publicKey
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)
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).toEqual(false);
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});
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it('fails a correctly signed message (signature changed)', (): void => {
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signature[0] = 0xff;
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expect(
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naclVerify(
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new Uint8Array([0x61, 0x62, 0x63, 0x64]),
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signature,
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publicKey
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)
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).toEqual(false);
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});
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it('throws error when publicKey lengths do not match', (): void => {
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expect(
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() => naclVerify(
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new Uint8Array([0x61, 0x62, 0x63, 0x64]),
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signature,
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new Uint8Array([1, 2])
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)
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).toThrow(/Invalid publicKey/);
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});
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it('throws error when signature lengths do not match', (): void => {
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expect(
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() => naclVerify(
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new Uint8Array([0x61, 0x62, 0x63, 0x64]),
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new Uint8Array([1, 2]),
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publicKey
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)
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).toThrow(/Invalid signature/);
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});
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});
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