387 lines
11 KiB
HTML
387 lines
11 KiB
HTML
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<!doctype html>
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<html class="no-js" lang="">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="x-ua-compatible" content="ie=edge">
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<title>CICADA</title>
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<meta name="description" content="">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="icon" type="image/x-icon" href="../images/favicon.ico">
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<link rel="stylesheet" href="../styles/style.css">
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</head>
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<body>
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<div class="navbar navbar-default navbar-fixed-top visible-xs">
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<a href="../" class="navbar-brand">CICADA</a>
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<button type="button" class="btn btn-default btn-menu ion-ios-menu" id="btn-menu"></button>
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</div>
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<div class="xs-menu menu" id="mobile-menu">
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<div id="book-search-input" role="search"><input type="text" placeholder="Type to search"></div> <compodoc-menu></compodoc-menu>
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</div>
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<div class="container-fluid main">
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<div class="row main">
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<div class="hidden-xs menu">
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<compodoc-menu mode="normal"></compodoc-menu>
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</div>
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<!-- START CONTENT -->
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<div class="content interface">
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<div class="content-data">
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<ol class="breadcrumb">
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<li>Interfaces</li>
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<li>Signable</li>
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</ol>
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<ul class="nav nav-tabs" role="tablist">
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<li class="active">
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<a href="#info" role="tab" id="info-tab" data-toggle="tab" data-link="info">Info</a>
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</li>
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<li >
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<a href="#source" role="tab" id="source-tab" data-toggle="tab" data-link="source">Source</a>
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</li>
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</ul>
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<div class="tab-content">
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<div class="tab-pane fade active in" id="c-info">
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<p class="comment">
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<h3>File</h3>
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</p>
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<p class="comment">
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<code>src/app/_pgp/pgp-signer.ts</code>
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</p>
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<p class="comment">
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<h3>Description</h3>
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</p>
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<p class="comment">
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<p>Signable object interface </p>
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</p>
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<section>
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<h3 id="index">Index</h3>
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<table class="table table-sm table-bordered index-table">
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<tbody>
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<tr>
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<td class="col-md-4">
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<h6><b>Methods</b></h6>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<ul class="index-list">
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<li>
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<a href="#digest">digest</a>
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</li>
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</ul>
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</td>
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</tr>
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</tbody>
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</table>
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</section>
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<section>
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<h3 id="methods">
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Methods
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</h3>
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<table class="table table-sm table-bordered">
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<tbody>
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<tr>
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<td class="col-md-4">
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<a name="digest"></a>
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<span class="name">
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<b>
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digest
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</b>
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<a href="#digest"><span class="icon ion-ios-link"></span></a>
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</span>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<code>digest()</code>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="11"
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class="link-to-prism">src/app/_pgp/pgp-signer.ts:11</a></div>
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</td>
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</tr>
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<tr>
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<td class="col-md-4">
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<div class="io-description"><p>The message to be signed. </p>
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</div>
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<div class="io-description">
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<b>Returns : </b> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</section>
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</div>
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<div class="tab-pane fade tab-source-code" id="c-source">
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<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import * as openpgp from 'openpgp';
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// Application imports
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import { MutableKeyStore } from '@app/_pgp/pgp-key-store';
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import { LoggingService } from '@app/_services/logging.service';
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/** Signable object interface */
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interface Signable {
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/** The message to be signed. */
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digest(): string;
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}
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/** Signature object interface */
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interface Signature {
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/** Encryption algorithm used */
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algo: string;
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/** Data to be signed. */
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data: string;
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/** Message digest */
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digest: string;
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/** Encryption engine used. */
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engine: string;
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}
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/** Signer interface */
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interface Signer {
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/**
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* Get the private key fingerprint.
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* @returns A private key fingerprint.
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*/
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fingerprint(): string;
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/** Event triggered on successful signing of message. */
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onsign(signature: Signature): void;
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/** Event triggered on successful verification of a signature. */
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onverify(flag: boolean): void;
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/**
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* Load the message digest.
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* @param material - A signable object.
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* @returns true - If digest has been loaded successfully.
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*/
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prepare(material: Signable): boolean;
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/**
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* Signs a message using a private key.
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* @async
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* @param digest - The message to be signed.
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*/
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sign(digest: string): Promise<void>;
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/**
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* Verify that signature is valid.
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* @param digest - The message that was signed.
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* @param signature - The generated signature.
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*/
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verify(digest: string, signature: Signature): void;
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}
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/** Provides functionality for signing and verifying signed messages. */
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class PGPSigner implements Signer {
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/** Encryption algorithm used */
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algo = 'sha256';
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/** Message digest */
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dgst: string;
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/** Encryption engine used. */
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engine = 'pgp';
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/** A keystore holding pgp keys. */
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keyStore: MutableKeyStore;
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/** A service that provides logging capabilities. */
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loggingService: LoggingService;
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/** Event triggered on successful signing of message. */
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onsign: (signature: Signature) => void;
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/** Event triggered on successful verification of a signature. */
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onverify: (flag: boolean) => void;
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/** Generated signature */
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signature: Signature;
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/**
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* Initializing the Signer.
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* @param keyStore - A keystore holding pgp keys.
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*/
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constructor(keyStore: MutableKeyStore) {
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this.keyStore = keyStore;
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this.onsign = (signature: Signature) => {};
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this.onverify = (flag: boolean) => {};
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}
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/**
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* Get the private key fingerprint.
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* @returns A private key fingerprint.
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*/
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public fingerprint(): string {
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return this.keyStore.getFingerprint();
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}
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/**
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* Load the message digest.
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* @param material - A signable object.
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* @returns true - If digest has been loaded successfully.
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*/
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public prepare(material: Signable): boolean {
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this.dgst = material.digest();
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return true;
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}
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/**
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* Signs a message using a private key.
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* @async
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* @param digest - The message to be signed.
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*/
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public async sign(digest: string): Promise<void> {
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const m = openpgp.cleartext.fromText(digest);
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const pk = this.keyStore.getPrivateKey();
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if (!pk.isDecrypted()) {
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const password = window.prompt('password');
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await pk.decrypt(password);
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}
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const opts = {
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message: m,
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privateKeys: [pk],
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detached: true,
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};
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openpgp
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.sign(opts)
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.then((s) => {
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this.signature = {
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engine: this.engine,
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algo: this.algo,
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data: s.signature,
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// TODO: fix for browser later
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digest,
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};
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this.onsign(this.signature);
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})
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.catch((e) => {
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this.loggingService.sendErrorLevelMessage(e.message, this, { error: e });
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this.onsign(undefined);
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});
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}
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/**
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* Verify that signature is valid.
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* @param digest - The message that was signed.
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* @param signature - The generated signature.
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*/
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public verify(digest: string, signature: Signature): void {
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openpgp.signature
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.readArmored(signature.data)
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.then((sig) => {
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const opts = {
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message: openpgp.cleartext.fromText(digest),
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publicKeys: this.keyStore.getTrustedKeys(),
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signature: sig,
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};
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openpgp.verify(opts).then((v) => {
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let i = 0;
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for (i = 0; i < v.signatures.length; i++) {
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const s = v.signatures[i];
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if (s.valid) {
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this.onverify(s);
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return;
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}
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}
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this.loggingService.sendErrorLevelMessage(
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`Checked ${i} signature(s) but none valid`,
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this,
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{ error: '404 Not found!' }
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);
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this.onverify(false);
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});
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})
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.catch((e) => {
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this.loggingService.sendErrorLevelMessage(e.message, this, { error: e });
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this.onverify(false);
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});
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}
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}
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/** @exports */
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export { PGPSigner, Signable, Signature, Signer };
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</code></pre>
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</div>
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</div>
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</div><div class="search-results">
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<div class="has-results">
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<h1 class="search-results-title"><span class='search-results-count'></span> result-matching "<span class='search-query'></span>"</h1>
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<ul class="search-results-list"></ul>
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</div>
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<div class="no-results">
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<h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
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</div>
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</div>
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</div>
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<!-- END CONTENT -->
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</div>
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</div>
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<script>
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var COMPODOC_CURRENT_PAGE_DEPTH = 1;
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var COMPODOC_CURRENT_PAGE_CONTEXT = 'interface';
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var COMPODOC_CURRENT_PAGE_URL = 'Signable.html';
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var MAX_SEARCH_RESULTS = 15;
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</script>
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<script src="../js/libs/custom-elements.min.js"></script>
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<script src="../js/libs/lit-html.js"></script>
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<!-- Required to polyfill modern browsers as code is ES5 for IE... -->
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<script src="../js/libs/custom-elements-es5-adapter.js" charset="utf-8" defer></script>
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<script src="../js/menu-wc.js" defer></script>
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<script src="../js/libs/bootstrap-native.js"></script>
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<script src="../js/libs/es6-shim.min.js"></script>
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<script src="../js/libs/EventDispatcher.js"></script>
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<script src="../js/libs/promise.min.js"></script>
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<script src="../js/libs/zepto.min.js"></script>
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<script src="../js/compodoc.js"></script>
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<script src="../js/tabs.js"></script>
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<script src="../js/menu.js"></script>
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<script src="../js/libs/clipboard.min.js"></script>
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<script src="../js/libs/prism.js"></script>
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<script src="../js/sourceCode.js"></script>
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<script src="../js/search/search.js"></script>
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<script src="../js/search/lunr.min.js"></script>
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<script src="../js/search/search-lunr.js"></script>
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<script src="../js/search/search_index.js"></script>
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<script src="../js/lazy-load-graphs.js"></script>
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</body>
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</html>
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