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