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<h1 class="page-title">Source: openpgp.js</h1>
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<pre class="prettyprint source"><code>// GPG4Browsers - An OpenPGP implementation in javascript
// Copyright (C) 2011 Recurity Labs GmbH
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
/**
* @fileoverview The openpgp base module should provide all of the functionality
* to consume the openpgp.js library. All additional classes are documented
* for extending and developing on top of the base library.
*/
/**
* @requires cleartext
* @requires config
* @requires encoding/armor
* @requires enums
* @requires message
* @requires packet
* @module openpgp
*/
var armor = require('./encoding/armor.js'),
packet = require('./packet'),
enums = require('./enums.js'),
config = require('./config'),
message = require('./message.js'),
cleartext = require('./cleartext.js'),
key = require('./key.js');
/**
* Encrypts message text with keys
* @param {Array<module:key~Key>} keys array of keys, used to encrypt the message
* @param {String} text message as native JavaScript string
* @return {String} encrypted ASCII armored message
* @static
*/
function encryptMessage(keys, text) {
var msg = message.fromText(text);
msg = msg.encrypt(keys);
var armored = armor.encode(enums.armor.message, msg.packets.write());
return armored;
}
/**
* Signs message text and encrypts it
* @param {Array<module:key~Key>} publicKeys array of keys, used to encrypt the message
* @param {module:key~Key} privateKey private key with decrypted secret key data for signing
* @param {String} text message as native JavaScript string
* @return {String} encrypted ASCII armored message
* @static
*/
function signAndEncryptMessage(publicKeys, privateKey, text) {
var msg = message.fromText(text);
msg = msg.sign([privateKey]);
msg = msg.encrypt(publicKeys);
var armored = armor.encode(enums.armor.message, msg.packets.write());
return armored;
}
/**
* Decrypts message
* @param {module:key~Key} privateKey private key with decrypted secret key data
* @param {module:message~Message} message the message object with the encrypted data
* @return {(String|null)} decrypted message as as native JavaScript string
* or null if no literal data found
* @static
*/
function decryptMessage(privateKey, message) {
message = message.decrypt(privateKey);
return message.getText();
}
/**
* Decrypts message and verifies signatures
* @param {module:key~Key} privateKey private key with decrypted secret key data
* @param {Array<module:key~Key>} publicKeys public keys to verify signatures
* @param {module:message~Message} message the message object with signed and encrypted data
* @return {{text: String, signatures: Array<{keyid: module:type/keyid, valid: Boolean}>}}
* decrypted message as as native JavaScript string
* with verified signatures or null if no literal data found
* @static
*/
function decryptAndVerifyMessage(privateKey, publicKeys, message) {
var result = {};
message = message.decrypt(privateKey);
result.text = message.getText();
if (result.text) {
result.signatures = message.verify(publicKeys);
return result;
}
return null;
}
/**
* Signs a cleartext message
* @param {Array<module:key~Key>} privateKeys private key with decrypted secret key data to sign cleartext
* @param {String} text cleartext
* @return {String} ASCII armored message
* @static
*/
function signClearMessage(privateKeys, text) {
var cleartextMessage = new cleartext.CleartextMessage(text);
cleartextMessage.sign(privateKeys);
return cleartextMessage.armor();
}
/**
* Verifies signatures of cleartext signed message
* @param {Array<module:key~Key>} publicKeys public keys to verify signatures
* @param {module:cleartext~CleartextMessage} message cleartext message object with signatures
* @return {{text: String, signatures: Array<{keyid: module:type/keyid, valid: Boolean}>}}
* cleartext with status of verified signatures
* @static
*/
function verifyClearSignedMessage(publicKeys, message) {
var result = {};
if (!(message instanceof cleartext.CleartextMessage)) {
throw new Error('Parameter [message] needs to be of type CleartextMessage.');
}
result.text = message.getText();
result.signatures = message.verify(publicKeys);
return result;
}
/**
* Generates a new OpenPGP key pair. Currently only supports RSA keys.
* Primary and subkey will be of same type.
* @param {Integer} keyType to indicate what type of key to make.
* RSA is 1. See http://tools.ietf.org/html/rfc4880#section-9.1
* @param {Integer} numBits number of bits for the key creation. (should be 1024+, generally)
* @param {String} userId assumes already in form of "User Name <username@email.com>"
* @param {String} passphrase The passphrase used to encrypt the resulting private key
* @return {Object} {key: Array<module:key~Key>, privateKeyArmored: Array<String>, publicKeyArmored: Array<String>}
* @static
*/
function generateKeyPair(keyType, numBits, userId, passphrase) {
var result = {};
var newKey = key.generate(keyType, numBits, userId, passphrase);
result.key = newKey;
result.privateKeyArmored = newKey.armor();
result.publicKeyArmored = newKey.toPublic().armor();
return result;
}
exports.encryptMessage = encryptMessage;
exports.signAndEncryptMessage = signAndEncryptMessage;
exports.decryptMessage = decryptMessage;
exports.decryptAndVerifyMessage = decryptAndVerifyMessage
exports.signClearMessage = signClearMessage;
exports.verifyClearSignedMessage = verifyClearSignedMessage;
exports.generateKeyPair = generateKeyPair;
</code></pre>
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<h2><a href="index.html">Index</a></h2><h3>Modules</h3><ul><li><a href="module-armor.html">armor</a></li><li><a href="module-cleartext.html">cleartext</a></li><li><a href="module-config.html">config</a></li><li><a href="config.html">config/config</a></li><li><a href="localStorage.html">config/localStorage</a></li><li><a href="module-crypto.html">crypto</a></li><li><a href="cfb.html">crypto/cfb</a></li><li><a href="cipher.html">crypto/cipher</a></li><li><a href="aes.html">crypto/cipher/aes</a></li><li><a href="blowfish.html">crypto/cipher/blowfish</a></li><li><a href="cast5.html">crypto/cipher/cast5</a></li><li><a href="des.html">crypto/cipher/des</a></li><li><a href="twofish.html">crypto/cipher/twofish</a></li><li><a href="crypto.html">crypto/crypto</a></li><li><a href="hash.html">crypto/hash</a></li><li><a href="md5.html">crypto/hash/md5</a></li><li><a href="ripe-md.html">crypto/hash/ripe-md</a></li><li><a href="sha.html">crypto/hash/sha</a></li><li><a href="pkcs1.html">crypto/pkcs1</a></li><li><a href="public_key.html">crypto/public_key</a></li><li><a href="dsa.html">crypto/public_key/dsa</a></li><li><a href="elgamal.html">crypto/public_key/elgamal</a></li><li><a href="jsbn.html">crypto/public_key/jsbn</a></li><li><a href="rsa.html">crypto/public_key/rsa</a></li><li><a href="random.html">crypto/random</a></li><li><a href="signature.html">crypto/signature</a></li><li><a href="armor.html">encoding/armor</a></li><li><a href="base64.html">encoding/base64</a></li><li><a href="module-enums.html">enums</a></li><li><a href="module-key.html">key</a></li><li><a href="module-keyid.html">keyid</a></li><li><a href="keyring.html">keyring/keyring</a></li><li><a href="localstore.html">keyring/localstore</a></li><li><a href="module-message.html">message</a></li><li><a href="module-mpi.html">mpi</a></li><li><a href="module-openpgp.html">openpgp</a></li><li><a href="module-packet.html">packet</a></li><li><a href="compressed.html">packet/compressed</a></li><li><a href="literal.html">packet/literal</a></li><li><a href="marker.html">packet/marker</a></li><li><a href="one_pass_signature.html">packet/one_pass_signature</a></li><li><a href="packet.html">packet/packet</a></li><li><a href="packetlist.html">packet/packetlist</a></li><li><a href="public_key_.html">packet/public_key</a></li><li><a href="public_key_encrypted_session_key.html">packet/public_key_encrypted_session_key</a></li><li><a href="public_subkey.html">packet/public_subkey</a></li><li><a href="secret_key.html">packet/secret_key</a></li><li><a href="secret_subkey.html">packet/secret_subkey</a></li><li><a href="signature_.html">packet/signature</a></li><li><a href="sym_encrypted_integrity_protected.html">packet/sym_encrypted_integrity_protected</a></li><li><a href="sym_encrypted_session_key.html">packet/sym_encrypted_session_key</a></li><li><a href="symmetrically_encrypted.html">packet/symmetrically_encrypted</a></li><li><a href="trust.html">packet/trust</a></li><li><a href="user_attribute.html">packet/user_attribute</a></li><li><a href="userid.html">packet/userid</a></li><li><a href="module-s2k.html">s2k</a></li><li><a href="keyid.html">type/keyid</a></li><li><a href="mpi.html">type/mpi</a></li><li><a href="s2k.html">type/s2k</a></li><li><a href="module-util.html">util</a></li><li><a href="util.html">util/util</a></li></ul><h3>Classes</h3><ul><li><a href="JXG.Util.html">Util</a></li><li><a href="module-cleartext-CleartextMessage.html">CleartextMessage</a></li><li><a href="module-key-Key.html">Key</a></li><li><a href="module-key-SubKey.html">SubKey</a></li><li><a href="module-key-User.html">User</a></li><li><a href="module-message-Message.html">Message</a></li></ul>
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