23295342fc
work correctly with utf8 strings. Fixeda visibility issue with the testing suite and added relevant unit tests.
191 lines
12 KiB
HTML
191 lines
12 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="utf-8">
|
|
<title>JSDoc: Source: encoding/openpgp.encoding.js</title>
|
|
|
|
<script src="scripts/prettify/prettify.js"> </script>
|
|
<script src="scripts/prettify/lang-css.js"> </script>
|
|
<!--[if lt IE 9]>
|
|
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
|
|
<![endif]-->
|
|
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
|
|
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<div id="main">
|
|
|
|
<h1 class="page-title">Source: encoding/openpgp.encoding.js</h1>
|
|
|
|
|
|
|
|
|
|
|
|
<section>
|
|
<article>
|
|
<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
|
|
|
|
/**
|
|
* Wrapper function for the base64 codec.
|
|
* This function encodes a String (message) in base64 (radix-64)
|
|
* @param {String} message The message to encode
|
|
* @return {String} The base64 encoded data
|
|
*/
|
|
function openpgp_encoding_base64_encode(message) {
|
|
return s2r(message);
|
|
}
|
|
|
|
|
|
/**
|
|
* Wrapper function for the base64 codec.
|
|
* This function decodes a String(message) in base64 (radix-64)
|
|
* @param {String} message Base64 encoded data
|
|
* @return {String} Raw data after decoding
|
|
*/
|
|
function openpgp_encoding_base64_decode(message) {
|
|
return r2s(message);
|
|
}
|
|
|
|
/**
|
|
* Wrapper function for jquery library.
|
|
* This function escapes HTML characters within a string. This is used
|
|
* to prevent XSS.
|
|
* @param {String} message Message to escape
|
|
* @return {String} Html encoded string
|
|
*/
|
|
function openpgp_encoding_html_encode(message) {
|
|
if (message == null)
|
|
return "";
|
|
return $('<div/>').text(message).html();
|
|
}
|
|
|
|
/**
|
|
* create a EME-PKCS1-v1_5 padding (See RFC4880 13.1.1)
|
|
* @param {String} message message to be padded
|
|
* @param {Integer} length Length to the resulting message
|
|
* @return {String} EME-PKCS1 padded message
|
|
*/
|
|
function openpgp_encoding_eme_pkcs1_encode(message, length) {
|
|
if (message.length > length-11)
|
|
return -1;
|
|
var result = "";
|
|
result += String.fromCharCode(0);
|
|
result += String.fromCharCode(2);
|
|
for (var i = 0; i < length - message.length - 3; i++) {
|
|
result += String.fromCharCode(openpgp_crypto_getPseudoRandom(1,255));
|
|
}
|
|
result += String.fromCharCode(0);
|
|
result += message;
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* decodes a EME-PKCS1-v1_5 padding (See RFC4880 13.1.2)
|
|
* @param {String} message EME-PKCS1 padded message
|
|
* @return {String} decoded message
|
|
*/
|
|
function openpgp_encoding_eme_pkcs1_decode(message, len) {
|
|
if (message.length < len)
|
|
message = String.fromCharCode(0)+message;
|
|
if (message.length < 12 || message.charCodeAt(0) != 0 || message.charCodeAt(1) != 2)
|
|
return -1;
|
|
var i = 2;
|
|
while (message.charCodeAt(i) != 0 && message.length > i)
|
|
i++;
|
|
return message.substring(i+1, message.length);
|
|
}
|
|
/**
|
|
* ASN1 object identifiers for hashes (See RFC4880 5.2.2)
|
|
*/
|
|
hash_headers = new Array();
|
|
hash_headers[1] = [0x30,0x20,0x30,0x0c,0x06,0x08,0x2a,0x86,0x48,0x86,0xf7,0x0d,0x02,0x05,0x05,0x00,0x04,0x10];
|
|
hash_headers[3] = [0x30,0x21,0x30,0x09,0x06,0x05,0x2B,0x24,0x03,0x02,0x01,0x05,0x00,0x04,0x14];
|
|
hash_headers[2] = [0x30,0x21,0x30,0x09,0x06,0x05,0x2b,0x0e,0x03,0x02,0x1a,0x05,0x00,0x04,0x14];
|
|
hash_headers[8] = [0x30,0x31,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x01,0x05,0x00,0x04,0x20];
|
|
hash_headers[9] = [0x30,0x41,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x02,0x05,0x00,0x04,0x30];
|
|
hash_headers[10] = [0x30,0x51,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x03,0x05,0x00,0x04,0x40];
|
|
hash_headers[11] = [0x30,0x31,0x30,0x0d,0x06,0x09,0x60,0x86,0x48,0x01,0x65,0x03,0x04,0x02,0x04,0x05,0x00,0x04,0x1C];
|
|
|
|
/**
|
|
* create a EMSA-PKCS1-v1_5 padding (See RFC4880 13.1.3)
|
|
* @param {Integer} algo Hash algorithm type used
|
|
* @param {String} data Data to be hashed
|
|
* @param {Integer} keylength Key size of the public mpi in bytes
|
|
* @returns {String} Hashcode with pkcs1padding as string
|
|
*/
|
|
function openpgp_encoding_emsa_pkcs1_encode(algo, data, keylength) {
|
|
var data2 = "";
|
|
data2 += String.fromCharCode(0x00);
|
|
data2 += String.fromCharCode(0x01);
|
|
for (var i = 0; i < (keylength - hash_headers[algo].length - 3 - openpgp_crypto_getHashByteLength(algo)); i++)
|
|
data2 += String.fromCharCode(0xff);
|
|
data2 += String.fromCharCode(0x00);
|
|
|
|
for (var i = 0; i < hash_headers[algo].length; i++)
|
|
data2 += String.fromCharCode(hash_headers[algo][i]);
|
|
|
|
data2 += openpgp_crypto_hashData(algo, data);
|
|
return new BigInteger(util.hexstrdump(data2),16);
|
|
}
|
|
|
|
/**
|
|
* extract the hash out of an EMSA-PKCS1-v1.5 padding (See RFC4880 13.1.3)
|
|
* @param {String} data Hash in pkcs1 encoding
|
|
* @returns {String} The hash as string
|
|
*/
|
|
function openpgp_encoding_emsa_pkcs1_decode(algo, data) {
|
|
var i = 0;
|
|
if (data.charCodeAt(0) == 0) i++;
|
|
else if (data.charCodeAt(0) != 1) return -1;
|
|
else i++;
|
|
|
|
while (data.charCodeAt(i) == 0xFF) i++;
|
|
if (data.charCodeAt(i++) != 0) return -1;
|
|
var j = 0;
|
|
for (j = 0; j < hash_headers[algo].length && j+i < data.length; j++) {
|
|
if (data.charCodeAt(j+i) != hash_headers[algo][j]) return -1;
|
|
}
|
|
i+= j;
|
|
if (data.substring(i).length < openpgp_crypto_getHashByteLength(algo)) return -1;
|
|
return data.substring(i);
|
|
}
|
|
</code></pre>
|
|
</article>
|
|
</section>
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
<nav>
|
|
<h2><a href="index.html">Index</a></h2><h3>Classes</h3><ul><li><a href="_openpgp_packet.html">_openpgp_packet</a></li><li><a href="JXG.Util.html">Util</a></li><li><a href="openpgp.html">openpgp</a></li><li><a href="openpgp_config.html">openpgp_config</a></li><li><a href="openpgp_keyring.html">openpgp_keyring</a></li><li><a href="openpgp_msg_message.html">openpgp_msg_message</a></li><li><a href="openpgp_msg_privatekey.html">openpgp_msg_privatekey</a></li><li><a href="openpgp_msg_publickey.html">openpgp_msg_publickey</a></li><li><a href="openpgp_packet_compressed.html">openpgp_packet_compressed</a></li><li><a href="openpgp_packet_encrypteddata.html">openpgp_packet_encrypteddata</a></li><li><a href="openpgp_packet_encryptedintegrityprotecteddata.html">openpgp_packet_encryptedintegrityprotecteddata</a></li><li><a href="openpgp_packet_encryptedsessionkey.html">openpgp_packet_encryptedsessionkey</a></li><li><a href="openpgp_packet_keymaterial.html">openpgp_packet_keymaterial</a></li><li><a href="openpgp_packet_literaldata.html">openpgp_packet_literaldata</a></li><li><a href="openpgp_packet_marker.html">openpgp_packet_marker</a></li><li><a href="openpgp_packet_modificationdetectioncode.html">openpgp_packet_modificationdetectioncode</a></li><li><a href="openpgp_packet_onepasssignature.html">openpgp_packet_onepasssignature</a></li><li><a href="openpgp_packet_signature.html">openpgp_packet_signature</a></li><li><a href="openpgp_packet_userattribute.html">openpgp_packet_userattribute</a></li><li><a href="openpgp_packet_userid.html">openpgp_packet_userid</a></li><li><a href="openpgp_type_keyid.html">openpgp_type_keyid</a></li><li><a href="openpgp_type_mpi.html">openpgp_type_mpi</a></li><li><a href="openpgp_type_s2k.html">openpgp_type_s2k</a></li></ul><h3>Global</h3><ul><li><a href="global.html#bin2str">bin2str</a></li><li><a href="global.html#calc_checksum">calc_checksum</a></li><li><a href="global.html#crc_table">crc_table</a></li><li><a href="global.html#decode_utf8">decode_utf8</a></li><li><a href="global.html#encode_utf8">encode_utf8</a></li><li><a href="global.html#get_hashAlgorithmString">get_hashAlgorithmString</a></li><li><a href="global.html#getCheckSum">getCheckSum</a></li><li><a href="global.html#getPGPMessageType">getPGPMessageType</a></li><li><a href="global.html#hash_headers">hash_headers</a></li><li><a href="global.html#hex2bin">hex2bin</a></li><li><a href="global.html#hexidump">hexidump</a></li><li><a href="global.html#hexstrdump">hexstrdump</a></li><li><a href="global.html#MD5">MD5</a></li><li><a href="global.html#openpgp_cfb_decrypt">openpgp_cfb_decrypt</a></li><li><a href="global.html#openpgp_cfb_encrypt">openpgp_cfb_encrypt</a></li><li><a href="global.html#openpgp_cfb_mdc">openpgp_cfb_mdc</a></li><li><a href="global.html#openpgp_crypto_asymetricDecrypt">openpgp_crypto_asymetricDecrypt</a></li><li><a href="global.html#openpgp_crypto_asymetricEncrypt">openpgp_crypto_asymetricEncrypt</a></li><li><a href="global.html#openpgp_crypto_generateKeyPair">openpgp_crypto_generateKeyPair</a></li><li><a href="global.html#openpgp_crypto_generateSessionKey">openpgp_crypto_generateSessionKey</a></li><li><a href="global.html#openpgp_crypto_getHashByteLength">openpgp_crypto_getHashByteLength</a></li><li><a href="global.html#openpgp_crypto_getPrefixRandom">openpgp_crypto_getPrefixRandom</a></li><li><a href="global.html#openpgp_crypto_getPseudoRandom">openpgp_crypto_getPseudoRandom</a></li><li><a href="global.html#openpgp_crypto_getRandomBigInteger">openpgp_crypto_getRandomBigInteger</a></li><li><a href="global.html#openpgp_crypto_getRandomBytes">openpgp_crypto_getRandomBytes</a></li><li><a href="global.html#openpgp_crypto_getSecureRandom">openpgp_crypto_getSecureRandom</a></li><li><a href="global.html#openpgp_crypto_hashData">openpgp_crypto_hashData</a></li><li><a href="global.html#openpgp_crypto_MDCSystemBytes">openpgp_crypto_MDCSystemBytes</a></li><li><a href="global.html#openpgp_crypto_signData">openpgp_crypto_signData</a></li><li><a href="global.html#openpgp_crypto_symmetricDecrypt">openpgp_crypto_symmetricDecrypt</a></li><li><a href="global.html#openpgp_crypto_symmetricEncrypt">openpgp_crypto_symmetricEncrypt</a></li><li><a href="global.html#openpgp_crypto_verifySignature">openpgp_crypto_verifySignature</a></li><li><a href="global.html#openpgp_encoding_armor">openpgp_encoding_armor</a></li><li><a href="global.html#openpgp_encoding_armor_addheader">openpgp_encoding_armor_addheader</a></li><li><a href="global.html#openpgp_encoding_base64_decode">openpgp_encoding_base64_decode</a></li><li><a href="global.html#openpgp_encoding_base64_encode">openpgp_encoding_base64_encode</a></li><li><a href="global.html#openpgp_encoding_deArmor">openpgp_encoding_deArmor</a></li><li><a href="global.html#openpgp_encoding_eme_pkcs1_decode">openpgp_encoding_eme_pkcs1_decode</a></li><li><a href="global.html#openpgp_encoding_eme_pkcs1_encode">openpgp_encoding_eme_pkcs1_encode</a></li><li><a href="global.html#openpgp_encoding_emsa_pkcs1_decode">openpgp_encoding_emsa_pkcs1_decode</a></li><li><a href="global.html#openpgp_encoding_emsa_pkcs1_encode">openpgp_encoding_emsa_pkcs1_encode</a></li><li><a href="global.html#openpgp_encoding_html_encode">openpgp_encoding_html_encode</a></li><li><a href="global.html#print_debug">print_debug</a></li><li><a href="global.html#print_debug_hexstr_dump">print_debug_hexstr_dump</a></li><li><a href="global.html#print_error">print_error</a></li><li><a href="global.html#print_info">print_info</a></li><li><a href="global.html#shiftRight">shiftRight</a></li><li><a href="global.html#str2bin">str2bin</a></li><li><a href="global.html#str2Uint8Array">str2Uint8Array</a></li><li><a href="global.html#Uint8Array2str">Uint8Array2str</a></li><li><a href="global.html#util">util</a></li><li><a href="global.html#verifyCheckSum">verifyCheckSum</a></li></ul>
|
|
</nav>
|
|
|
|
<br clear="both">
|
|
|
|
<footer>
|
|
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.2.0-dev</a> on Tue Apr 16 2013 10:42:39 GMT+0200 (CEST)
|
|
</footer>
|
|
|
|
<script> prettyPrint(); </script>
|
|
</body>
|
|
</html>
|