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bbaf619f63
swc_bundler: - [x] Fix wrapped esms. (denoland/deno#9307) - [x] Make test secure.
77 lines
2.1 KiB
TypeScript
77 lines
2.1 KiB
TypeScript
// Loaded from https://raw.githubusercontent.com/nats-io/nkeys.js/v1.0.0-7/src/public.ts
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/*
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* Copyright 2018-2020 The NATS Authors
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { Codec } from "./codec.ts";
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import { KeyPair, NKeysError, NKeysErrorCode } from "./nkeys.ts";
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import { getEd25519Helper } from "./helper.ts";
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/**
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* @ignore
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*/
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export class PublicKey implements KeyPair {
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publicKey?: Uint8Array;
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constructor(publicKey: Uint8Array) {
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this.publicKey = publicKey;
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}
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getPublicKey(): string {
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if (!this.publicKey) {
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throw new NKeysError(NKeysErrorCode.ClearedPair);
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}
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return new TextDecoder().decode(this.publicKey);
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}
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getPrivateKey(): Uint8Array {
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if (!this.publicKey) {
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throw new NKeysError(NKeysErrorCode.ClearedPair);
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}
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throw new NKeysError(NKeysErrorCode.PublicKeyOnly);
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}
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getSeed(): Uint8Array {
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if (!this.publicKey) {
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throw new NKeysError(NKeysErrorCode.ClearedPair);
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}
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throw new NKeysError(NKeysErrorCode.PublicKeyOnly);
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}
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sign(_: Uint8Array): Uint8Array {
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if (!this.publicKey) {
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throw new NKeysError(NKeysErrorCode.ClearedPair);
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}
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throw new NKeysError(NKeysErrorCode.CannotSign);
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}
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verify(input: Uint8Array, sig: Uint8Array): boolean {
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if (!this.publicKey) {
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throw new NKeysError(NKeysErrorCode.ClearedPair);
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}
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let buf = Codec._decode(this.publicKey);
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return getEd25519Helper().verify(input, sig, buf.slice(1));
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}
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clear(): void {
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if (!this.publicKey) {
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return;
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}
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this.publicKey.fill(0);
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this.publicKey = undefined;
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}
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}
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