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151 lines
3.5 KiB
JavaScript
151 lines
3.5 KiB
JavaScript
/**
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* Javascript implementation of a basic Public Key Infrastructure, including
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* support for RSA public and private keys.
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*
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* @author Dave Longley
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*
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* Copyright (c) 2010-2013 Digital Bazaar, Inc.
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*/
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(function() {
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/* ########## Begin module implementation ########## */
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function initModule(forge) {
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// shortcut for asn.1 API
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var asn1 = forge.asn1;
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/* Public Key Infrastructure (PKI) implementation. */
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var pki = forge.pki = forge.pki || {};
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/**
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* NOTE: THIS METHOD IS DEPRECATED. Use pem.decode() instead.
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*
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* Converts PEM-formatted data to DER.
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*
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* @param pem the PEM-formatted data.
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*
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* @return the DER-formatted data.
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*/
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pki.pemToDer = function(pem) {
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var msg = forge.pem.decode(pem)[0];
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if(msg.procType && msg.procType.type === 'ENCRYPTED') {
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throw {
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message: 'Could not convert PEM to DER; PEM is encrypted.'
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};
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}
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return forge.util.createBuffer(msg.body);
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};
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/**
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* Converts an RSA private key from PEM format.
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*
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* @param pem the PEM-formatted private key.
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*
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* @return the private key.
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*/
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pki.privateKeyFromPem = function(pem) {
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var msg = forge.pem.decode(pem)[0];
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if(msg.type !== 'PRIVATE KEY' && msg.type !== 'RSA PRIVATE KEY') {
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throw {
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message: 'Could not convert private key from PEM; PEM header type is ' +
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'not "PRIVATE KEY" or "RSA PRIVATE KEY".',
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headerType: msg.type
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};
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}
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if(msg.procType && msg.procType.type === 'ENCRYPTED') {
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throw {
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message: 'Could not convert private key from PEM; PEM is encrypted.'
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};
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}
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// convert DER to ASN.1 object
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var obj = asn1.fromDer(msg.body);
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return pki.privateKeyFromAsn1(obj);
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};
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/**
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* Converts an RSA private key to PEM format.
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*
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* @param key the private key.
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* @param maxline the maximum characters per line, defaults to 64.
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*
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* @return the PEM-formatted private key.
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*/
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pki.privateKeyToPem = function(key, maxline) {
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// convert to ASN.1, then DER, then PEM-encode
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var msg = {
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type: 'RSA PRIVATE KEY',
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body: asn1.toDer(pki.privateKeyToAsn1(key)).getBytes()
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};
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return forge.pem.encode(msg, {maxline: maxline});
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};
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} // end module implementation
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/* ########## Begin module wrapper ########## */
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var name = 'pki';
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if(typeof define !== 'function') {
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// NodeJS -> AMD
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if(typeof module === 'object' && module.exports) {
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var nodeJS = true;
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define = function(ids, factory) {
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factory(require, module);
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};
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}
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// <script>
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else {
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if(typeof forge === 'undefined') {
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forge = {};
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}
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return initModule(forge);
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}
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}
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// AMD
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var deps;
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var defineFunc = function(require, module) {
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module.exports = function(forge) {
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var mods = deps.map(function(dep) {
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return require(dep);
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}).concat(initModule);
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// handle circular dependencies
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forge = forge || {};
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forge.defined = forge.defined || {};
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if(forge.defined[name]) {
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return forge[name];
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}
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forge.defined[name] = true;
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for(var i = 0; i < mods.length; ++i) {
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mods[i](forge);
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}
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return forge[name];
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};
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};
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var tmpDefine = define;
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define = function(ids, factory) {
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deps = (typeof ids === 'string') ? factory.slice(2) : ids.slice(2);
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if(nodeJS) {
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delete define;
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return tmpDefine.apply(null, Array.prototype.slice.call(arguments, 0));
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}
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define = tmpDefine;
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return define.apply(null, Array.prototype.slice.call(arguments, 0));
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};
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define([
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'require',
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'module',
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'./asn1',
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'./oids',
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'./pbe',
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'./pem',
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'./pbkdf2',
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'./pkcs12',
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'./pss',
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'./rsa',
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'./util',
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'./x509'
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], function() {
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defineFunc.apply(null, Array.prototype.slice.call(arguments, 0));
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});
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})();
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