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+/*
+ * Copyright (c) 2014, GMO GlobalSign
+ * Copyright (c) 2015, Peculiar Ventures
+ * All rights reserved.
+ *
+ * Author 2014-2015, Yury Strozhevsky <www.strozhevsky.com>.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+ * OF SUCH DAMAGE.
+ *
+ */
+(
+function(in_window)
+{
+ //**************************************************************************************
+ // #region Declaration of global variables
+ //**************************************************************************************
+ // #region "org" namespace
+ if(typeof in_window.org === "undefined")
+ in_window.org = {};
+ else
+ {
+ if(typeof in_window.org !== "object")
+ throw new Error("Name org already exists and it's not an object");
+ }
+ // #endregion
+
+ // #region "org.pkijs" namespace
+ if(typeof in_window.org.pkijs === "undefined")
+ in_window.org.pkijs = {};
+ else
+ {
+ if(typeof in_window.org.pkijs !== "object")
+ throw new Error("Name org.pkijs already exists and it's not an object" + " but " + (typeof in_window.org.pkijs));
+ }
+ // #endregion
+
+ // #region "local" namespace
+ var local = {};
+ // #endregion
+ //**************************************************************************************
+ // #endregion
+ //**************************************************************************************
+ // #region Settings for "crypto engine"
+ //**************************************************************************************
+ local.engine = {
+ name: "none",
+ crypto: null,
+ subtle: null
+ };
+
+ if(typeof window != "undefined")
+ {
+ if("crypto" in window)
+ {
+ var engineName = "webcrypto";
+ var cryptoObject = window.crypto;
+ var subtleObject = null;
+
+ // Apple Safari support
+ if("webkitSubtle" in window.crypto)
+ subtleObject = window.crypto.webkitSubtle;
+
+ if("subtle" in window.crypto)
+ subtleObject = window.crypto.subtle;
+
+ local.engine = {
+ name: engineName,
+ crypto: cryptoObject,
+ subtle: subtleObject
+ };
+ }
+ }
+ //**************************************************************************************
+ in_window.org.pkijs.setEngine =
+ function(name, crypto, subtle)
+ {
+ /// <summary>Setting the global "crypto engine" parameters</summary>
+ /// <param name="name" type="String">Auxiliary name for "crypto engine"</param>
+ /// <param name="crypto" type="Object">Object handling all root cryptographic requests (in fact currently it must handle only "getRandomValues")</param>
+ /// <param name="subtle" type="Object">Object handling all main cryptographic requests</param>
+
+ local.engine = {
+ name: name,
+ crypto: crypto,
+ subtle: subtle
+ };
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getEngine =
+ function()
+ {
+ return local.engine;
+ };
+ //**************************************************************************************
+ // #endregion
+ //**************************************************************************************
+ // #region Declaration of common functions
+ //**************************************************************************************
+ in_window.org.pkijs.emptyObject =
+ function()
+ {
+ this.toJSON = function()
+ {
+ return {};
+ };
+ this.toSchema = function()
+ {
+ return {};
+ };
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getNames =
+ function(arg)
+ {
+ /// <summary>Get correct "names" array for all "schema" objects</summary>
+
+ var names = {};
+
+ if(arg instanceof Object)
+ names = (arg.names || {});
+
+ return names;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.inheriteObjectFields =
+ function(from)
+ {
+ for(var i in from.prototype)
+ {
+ if(typeof from.prototype[i] === "function")
+ continue;
+
+ this[i] = from.prototype[i];
+ }
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getUTCDate =
+ function(date)
+ {
+ /// <summary>Making UTC date from local date</summary>
+ /// <param name="date" type="Date">Date to convert from</param>
+
+ var current_date = date;
+ return new Date(current_date.getTime() + (current_date.getTimezoneOffset() * 60000));
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.padNumber =
+ function(input_number, full_length)
+ {
+ var str = input_number.toString(10);
+ var dif = full_length - str.length;
+
+ var padding = new Array(dif);
+ for(var i = 0; i < dif; i++)
+ padding[i] = '0';
+
+ var padding_string = padding.join('');
+
+ return padding_string.concat(str);
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getValue =
+ function(args, item, default_value)
+ {
+ if(item in args)
+ return args[item];
+ else
+ return default_value;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.isEqual_view =
+ function(input_view1, input_view2)
+ {
+ /// <summary>Compare two Uint8Arrays</summary>
+ /// <param name="input_view1" type="Uint8Array">First Uint8Array for comparision</param>
+ /// <param name="input_view2" type="Uint8Array">Second Uint8Array for comparision</param>
+
+ if(input_view1.length !== input_view2.length)
+ return false;
+
+ for(var i = 0; i < input_view1.length; i++)
+ {
+ if(input_view1[i] != input_view2[i])
+ return false;
+ }
+
+ return true;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.isEqual_buffer =
+ function(input_buffer1, input_buffer2)
+ {
+ /// <summary>Compare two array buffers</summary>
+ /// <param name="input_buffer1" type="ArrayBuffer">First ArrayBuffer for comparision</param>
+ /// <param name="input_buffer2" type="ArrayBuffer">Second ArrayBuffer for comparision</param>
+
+ if(input_buffer1.byteLength != input_buffer2.byteLength)
+ return false;
+
+ var view1 = new Uint8Array(input_buffer1);
+ var view2 = new Uint8Array(input_buffer2);
+
+ return in_window.org.pkijs.isEqual_view(view1, view2);
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.concat_buffers =
+ function(input_buf1, input_buf2)
+ {
+ /// <summary>Concatenate two ArrayBuffers</summary>
+ /// <param name="input_buf1" type="ArrayBuffer">First ArrayBuffer (first part of concatenated array)</param>
+ /// <param name="input_buf2" type="ArrayBuffer">Second ArrayBuffer (second part of concatenated array)</param>
+
+ var input_view1 = new Uint8Array(input_buf1);
+ var input_view2 = new Uint8Array(input_buf2);
+
+ var ret_buf = new ArrayBuffer(input_buf1.byteLength + input_buf2.byteLength);
+ var ret_view = new Uint8Array(ret_buf);
+
+ for(var i = 0; i < input_buf1.byteLength; i++)
+ ret_view[i] = input_view1[i];
+
+ for(var j = 0; j < input_buf2.byteLength; j++)
+ ret_view[input_buf1.byteLength + j] = input_view2[j];
+
+ return ret_buf;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.copyBuffer =
+ function(input_buffer)
+ {
+ var result = new ArrayBuffer(input_buffer.byteLength);
+
+ var resultView = new Uint8Array(result);
+ var inputView = new Uint8Array(input_buffer);
+
+ for(var i = 0; i < inputView.length; i++)
+ resultView[i] = inputView[i];
+
+ return result;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getCrypto =
+ function()
+ {
+ var crypto_temp;
+
+ if(local.engine.subtle !== null)
+ crypto_temp = local.engine.subtle;
+
+ return crypto_temp;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.stringPrep =
+ function(input_string)
+ {
+ /// <summary>String preparation function. In a future here will be realization of algorithm from RFC4518.</summary>
+ /// <param name="input_string" type="String">JavaScript string. As soon as for each ASN.1 string type we have a specific transformation function here we will work with pure JavaScript string</param>
+ /// <returns type="String">Formated string</returns>
+
+ var result = input_string.replace(/^\s+|\s+$/g, ""); // Trim input string
+ result = result.replace(/\s+/g, " "); // Change all sequence of SPACE down to SPACE char
+ result = result.toLowerCase();
+
+ return result;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.bufferToHexCodes =
+ function(input_buffer, input_offset, input_lenght)
+ {
+ var result = "";
+
+ var int_buffer = new Uint8Array(input_buffer, input_offset, input_lenght);
+
+ for(var i = 0; i < int_buffer.length; i++)
+ {
+ var str = int_buffer[i].toString(16).toUpperCase();
+ result = result + ((str.length === 1) ? "0" : "") + str;
+ }
+
+ return result;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.bufferFromHexCodes =
+ function(hexString)
+ {
+ /// <summary>Create an ArrayBuffer from string having hexdecimal codes</summary>
+ /// <param name="hexString" type="String">String to create ArrayBuffer from</param>
+
+ // #region Initial variables
+ var stringLength = hexString.length;
+
+ var resultBuffer = new ArrayBuffer(stringLength >> 1);
+ var resultView = new Uint8Array(resultBuffer);
+
+ var hex_map = {};
+
+ hex_map['0'] = 0x00;
+ hex_map['1'] = 0x01;
+ hex_map['2'] = 0x02;
+ hex_map['3'] = 0x03;
+ hex_map['4'] = 0x04;
+ hex_map['5'] = 0x05;
+ hex_map['6'] = 0x06;
+ hex_map['7'] = 0x07;
+ hex_map['8'] = 0x08;
+ hex_map['9'] = 0x09;
+ hex_map['A'] = 0x0A;
+ hex_map['a'] = 0x0A;
+ hex_map['B'] = 0x0B;
+ hex_map['b'] = 0x0B;
+ hex_map['C'] = 0x0C;
+ hex_map['c'] = 0x0C;
+ hex_map['D'] = 0x0D;
+ hex_map['d'] = 0x0D;
+ hex_map['E'] = 0x0E;
+ hex_map['e'] = 0x0E;
+ hex_map['F'] = 0x0F;
+ hex_map['f'] = 0x0F;
+
+ var j = 0;
+ var temp = 0x00;
+ // #endregion
+
+ // #region Convert char-by-char
+ for(var i = 0; i < stringLength; i++)
+ {
+ if(!(i % 2))
+ temp = hex_map[hexString.charAt(i)] << 4;
+ else
+ {
+ temp |= hex_map[hexString.charAt(i)];
+
+ resultView[j] = temp;
+ j++;
+ }
+ }
+ // #endregion
+
+ return resultBuffer;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getRandomValues =
+ function(view)
+ {
+ /// <param name="view" type="Uint8Array">New array which gives a length for random value</param>
+
+ if(local.engine.crypto !== null)
+ return local.engine.crypto.getRandomValues(view);
+ else
+ throw new Error("No support for Web Cryptography API");
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getAlgorithmParameters =
+ function(algorithmName, operation)
+ {
+ /// <param name="algorithmName" type="String">Algorithm name to get common parameters for</param>
+ /// <param name="operation" type="String">Kind of operation: "sign", "encrypt", "generatekey", "importkey", "exportkey", "verify"</param>
+
+ var result = {
+ algorithm: {},
+ usages: []
+ };
+
+ switch(algorithmName.toUpperCase())
+ {
+ case "RSASSA-PKCS1-V1_5":
+ switch(operation.toLowerCase())
+ {
+ case "generatekey":
+ result = {
+ algorithm: {
+ name: "RSASSA-PKCS1-v1_5",
+ modulusLength: 2048,
+ publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
+ hash: {
+ name: "SHA-256"
+ }
+ },
+ usages: ["sign", "verify"]
+ };
+ break;
+ case "verify":
+ case "sign":
+ case "importkey":
+ result = {
+ algorithm: {
+ name: "RSASSA-PKCS1-v1_5",
+ hash: {
+ name: "SHA-256"
+ }
+ },
+ usages: ["verify"] // For importKey("pkcs8") usage must be "sign" only
+ };
+ break;
+ case "exportkey":
+ default:
+ return {
+ algorithm: {
+ name: "RSASSA-PKCS1-v1_5"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "RSA-PSS":
+ switch(operation.toLowerCase())
+ {
+ case "sign":
+ case "verify":
+ result = {
+ algorithm: {
+ name: "RSA-PSS",
+ hash: {
+ name: "SHA-1"
+ },
+ saltLength: 20
+ },
+ usages: ["sign", "verify"]
+ };
+ break;
+ case "generatekey":
+ result = {
+ algorithm: {
+ name: "RSA-PSS",
+ modulusLength: 2048,
+ publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
+ hash: {
+ name: "SHA-1"
+ }
+ },
+ usages: ["sign", "verify"]
+ };
+ break;
+ case "importkey":
+ result = {
+ algorithm: {
+ name: "RSA-PSS",
+ hash: {
+ name: "SHA-1"
+ }
+ },
+ usages: ["verify"] // For importKey("pkcs8") usage must be "sign" only
+ };
+ break;
+ case "exportkey":
+ default:
+ return {
+ algorithm: {
+ name: "RSA-PSS"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "RSA-OAEP":
+ switch(operation.toLowerCase())
+ {
+ case "encrypt":
+ case "decrypt":
+ result = {
+ algorithm: {
+ name: "RSA-OAEP"
+ },
+ usages: ["encrypt", "decrypt"]
+ };
+ break;
+ break;
+ case "generatekey":
+ result = {
+ algorithm: {
+ name: "RSA-OAEP",
+ modulusLength: 2048,
+ publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
+ hash: {
+ name: "SHA-256"
+ }
+ },
+ usages: ["encrypt", "decrypt", "wrapKey", "unwrapKey"]
+ };
+ break;
+ case "importkey":
+ result = {
+ algorithm: {
+ name: "RSA-OAEP",
+ hash: {
+ name: "SHA-256"
+ }
+ },
+ usages: ["encrypt"] // encrypt for "spki" and decrypt for "pkcs8"
+ };
+ break;
+ case "exportkey":
+ default:
+ return {
+ algorithm: {
+ name: "RSA-OAEP"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "ECDSA":
+ switch(operation.toLowerCase())
+ {
+ case "generatekey":
+ result = {
+ algorithm: {
+ name: "ECDSA",
+ namedCurve: "P-256"
+ },
+ usages: ["sign", "verify"]
+ };
+ break;
+ case "importkey":
+ result = {
+ algorithm: {
+ name: "ECDSA",
+ namedCurve: "P-256"
+ },
+ usages: ["verify"] // "sign" for "pkcs8"
+ };
+ break;
+ case "verify":
+ case "sign":
+ result = {
+ algorithm: {
+ name: "ECDSA",
+ hash: {
+ name: "SHA-256"
+ }
+ },
+ usages: ["sign"]
+ };
+ break;
+ default:
+ return {
+ algorithm: {
+ name: "ECDSA"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "ECDH":
+ switch(operation.toLowerCase())
+ {
+ case "exportkey":
+ case "importkey":
+ case "generatekey":
+ result = {
+ algorithm: {
+ name: "ECDH",
+ namedCurve: "P-256"
+ },
+ usages: ["deriveKey", "deriveBits"]
+ };
+ break;
+ case "derivekey":
+ case "derivebits":
+ result = {
+ algorithm: {
+ name: "ECDH",
+ namedCurve: "P-256",
+ public: [] // Must be a "publicKey"
+ },
+ usages: ["encrypt", "decrypt"]
+ };
+ break;
+ default:
+ return {
+ algorithm: {
+ name: "ECDH"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "AES-CTR":
+ switch(operation.toLowerCase())
+ {
+ case "importkey":
+ case "exportkey":
+ case "generatekey":
+ result = {
+ algorithm: {
+ name: "AES-CTR",
+ length: 256
+ },
+ usages: ["encrypt", "decrypt", "wrapKey", "unwrapKey"]
+ };
+ break;
+ case "decrypt":
+ case "encrypt":
+ result = {
+ algorithm: {
+ name: "AES-CTR",
+ counter: new Uint8Array(16),
+ length: 10
+ },
+ usages: ["encrypt", "decrypt", "wrapKey", "unwrapKey"]
+ };
+ break;
+ default:
+ return {
+ algorithm: {
+ name: "AES-CTR"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "AES-CBC":
+ switch(operation.toLowerCase())
+ {
+ case "importkey":
+ case "exportkey":
+ case "generatekey":
+ result = {
+ algorithm: {
+ name: "AES-CBC",
+ length: 256
+ },
+ usages: ["encrypt", "decrypt", "wrapKey", "unwrapKey"]
+ };
+ break;
+ case "decrypt":
+ case "encrypt":
+ result = {
+ algorithm: {
+ name: "AES-CBC",
+ iv: in_window.org.pkijs.getRandomValues(new Uint8Array(16)) // For "decrypt" the value should be replaced with value got on "encrypt" step
+ },
+ usages: ["encrypt", "decrypt", "wrapKey", "unwrapKey"]
+ };
+ break;
+ default:
+ return {
+ algorithm: {
+ name: "AES-CBC"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "AES-GCM":
+ switch(operation.toLowerCase())
+ {
+ case "importkey":
+ case "exportkey":
+ case "generatekey":
+ result = {
+ algorithm: {
+ name: "AES-GCM",
+ length: 256
+ },
+ usages: ["encrypt", "decrypt", "wrapKey", "unwrapKey"]
+ };
+ break;
+ case "decrypt":
+ case "encrypt":
+ result = {
+ algorithm: {
+ name: "AES-GCM",
+ iv: in_window.org.pkijs.getRandomValues(new Uint8Array(16)) // For "decrypt" the value should be replaced with value got on "encrypt" step
+ },
+ usages: ["encrypt", "decrypt", "wrapKey", "unwrapKey"]
+ };
+ break;
+ default:
+ return {
+ algorithm: {
+ name: "AES-GCM"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "AES-KW":
+ switch(operation.toLowerCase())
+ {
+ case "importkey":
+ case "exportkey":
+ case "generatekey":
+ case "wrapkey":
+ case "unwrapkey":
+ result = {
+ algorithm: {
+ name: "AES-KW",
+ length: 256
+ },
+ usages: ["wrapKey", "unwrapKey"]
+ };
+ break;
+ default:
+ return {
+ algorithm: {
+ name: "AES-KW"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "HMAC":
+ switch(operation.toLowerCase())
+ {
+ case "sign":
+ case "verify":
+ result = {
+ algorithm: {
+ name: "HMAC"
+ },
+ usages: ["sign", "verify"]
+ };
+ break;
+ case "importkey":
+ case "exportkey":
+ case "generatekey":
+ result = {
+ algorithm: {
+ name: "HMAC",
+ length: 32,
+ hash: {
+ name: "SHA-256"
+ }
+ },
+ usages: ["sign", "verify"]
+ };
+ break;
+ default:
+ return {
+ algorithm: {
+ name: "HMAC"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "HKDF":
+ switch(operation.toLowerCase())
+ {
+ case "derivekey":
+ result = {
+ algorithm: {
+ name: "HKDF",
+ hash: "SHA-256",
+ salt: new Uint8Array(),
+ info: new Uint8Array()
+ },
+ usages: ["encrypt", "decrypt"]
+ };
+ break;
+ default:
+ return {
+ algorithm: {
+ name: "HKDF"
+ },
+ usages: []
+ };
+ }
+ break;
+ case "PBKDF2":
+ switch(operation.toLowerCase())
+ {
+ case "derivekey":
+ result = {
+ algorithm: {
+ name: "PBKDF2",
+ hash: { name: "SHA-256" },
+ salt: new Uint8Array(),
+ iterations: 1000
+ },
+ usages: ["encrypt", "decrypt"]
+ };
+ break;
+ default:
+ return {
+ algorithm: {
+ name: "PBKDF2"
+ },
+ usages: []
+ };
+ }
+ break;
+ default:
+ }
+
+ return result;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getOIDByAlgorithm =
+ function(algorithm)
+ {
+ /// <summary>Get OID for each specific WebCrypto algorithm</summary>
+ /// <param name="algorithm" type="Object">WebCrypto algorithm</param>
+
+ var result = "";
+
+ switch(algorithm.name.toUpperCase())
+ {
+ case "RSASSA-PKCS1-V1_5":
+ switch(algorithm.hash.name.toUpperCase())
+ {
+ case "SHA-1":
+ result = "1.2.840.113549.1.1.5";
+ break;
+ case "SHA-256":
+ result = "1.2.840.113549.1.1.11";
+ break;
+ case "SHA-384":
+ result = "1.2.840.113549.1.1.12";
+ break;
+ case "SHA-512":
+ result = "1.2.840.113549.1.1.13";
+ break;
+ default:
+ }
+ break;
+ case "RSA-PSS":
+ result = "1.2.840.113549.1.1.10";
+ break;
+ case "RSA-OAEP":
+ result = "1.2.840.113549.1.1.7";
+ break;
+ case "ECDSA":
+ switch(algorithm.hash.name.toUpperCase())
+ {
+ case "SHA-1":
+ result = "1.2.840.10045.4.1";
+ break;
+ case "SHA-256":
+ result = "1.2.840.10045.4.3.2";
+ break;
+ case "SHA-384":
+ result = "1.2.840.10045.4.3.3";
+ break;
+ case "SHA-512":
+ result = "1.2.840.10045.4.3.4";
+ break;
+ default:
+ }
+ break;
+ case "ECDH":
+ switch(algorithm.kdf.toUpperCase()) // Non-standard addition - hash algorithm of KDF function
+ {
+ case "SHA-1":
+ result = "1.3.133.16.840.63.0.2"; // dhSinglePass-stdDH-sha1kdf-scheme
+ break;
+ case "SHA-256":
+ result = "1.3.132.1.11.1"; // dhSinglePass-stdDH-sha256kdf-scheme
+ break;
+ case "SHA-384":
+ result = "1.3.132.1.11.2"; // dhSinglePass-stdDH-sha384kdf-scheme
+ break;
+ case "SHA-512":
+ result = "1.3.132.1.11.3"; // dhSinglePass-stdDH-sha512kdf-scheme
+ break;
+ default:
+ }
+ break;
+ case "AES-CTR":
+ break;
+ case "AES-CBC":
+ switch(algorithm.length)
+ {
+ case 128:
+ result = "2.16.840.1.101.3.4.1.2";
+ break;
+ case 192:
+ result = "2.16.840.1.101.3.4.1.22";
+ break;
+ case 256:
+ result = "2.16.840.1.101.3.4.1.42";
+ break;
+ default:
+ }
+ break;
+ case "AES-CMAC":
+ break;
+ case "AES-GCM":
+ switch(algorithm.length)
+ {
+ case 128:
+ result = "2.16.840.1.101.3.4.1.6";
+ break;
+ case 192:
+ result = "2.16.840.1.101.3.4.1.26";
+ break;
+ case 256:
+ result = "2.16.840.1.101.3.4.1.46";
+ break;
+ default:
+ }
+ break;
+ case "AES-CFB":
+ switch(algorithm.length)
+ {
+ case 128:
+ result = "2.16.840.1.101.3.4.1.4";
+ break;
+ case 192:
+ result = "2.16.840.1.101.3.4.1.24";
+ break;
+ case 256:
+ result = "2.16.840.1.101.3.4.1.44";
+ break;
+ default:
+ }
+ break;
+ case "AES-KW":
+ switch(algorithm.length)
+ {
+ case 128:
+ result = "2.16.840.1.101.3.4.1.5";
+ break;
+ case 192:
+ result = "2.16.840.1.101.3.4.1.25";
+ break;
+ case 256:
+ result = "2.16.840.1.101.3.4.1.45";
+ break;
+ default:
+ }
+ break;
+ case "HMAC":
+ switch(algorithm.hash.name.toUpperCase())
+ {
+ case "SHA-1":
+ result = "1.2.840.113549.2.7";
+ break;
+ case "SHA-256":
+ result = "1.2.840.113549.2.9";
+ break;
+ case "SHA-384":
+ result = "1.2.840.113549.2.10";
+ break;
+ case "SHA-512":
+ result = "1.2.840.113549.2.11";
+ break;
+ default:
+ }
+ break;
+ case "DH":
+ result = "1.2.840.113549.1.9.16.3.5";
+ break;
+ case "SHA-1":
+ result = "1.3.14.3.2.26";
+ break;
+ case "SHA-256":
+ result = "2.16.840.1.101.3.4.2.1";
+ break;
+ case "SHA-384":
+ result = "2.16.840.1.101.3.4.2.2";
+ break;
+ case "SHA-512":
+ result = "2.16.840.1.101.3.4.2.3";
+ break;
+ case "CONCAT":
+ break;
+ case "HKDF":
+ break;
+ case "PBKDF2":
+ result = "1.2.840.113549.1.5.12";
+ break;
+ // #region Special case - OIDs for ECC curves
+ case "P-256":
+ result = "1.2.840.10045.3.1.7";
+ break;
+ case "P-384":
+ result = "1.3.132.0.34";
+ break;
+ case "P-521":
+ result = "1.3.132.0.35";
+ break;
+ // #endregion
+
+ default:
+ }
+
+ return result;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getAlgorithmByOID =
+ function(oid)
+ {
+ /// <summary>Get WebCrypto algorithm by wel-known OID</summary>
+ /// <param name="oid" type="String">Wel-known OID to search for</param>
+
+ var result = {};
+
+ switch(oid)
+ {
+ case "1.2.840.113549.1.1.5":
+ result = {
+ name: "RSASSA-PKCS1-v1_5",
+ hash: {
+ name: "SHA-1"
+ }
+ };
+ break;
+ case "1.2.840.113549.1.1.11":
+ result = {
+ name: "RSASSA-PKCS1-v1_5",
+ hash: {
+ name: "SHA-256"
+ }
+ };
+ break;
+ case "1.2.840.113549.1.1.12":
+ result = {
+ name: "RSASSA-PKCS1-v1_5",
+ hash: {
+ name: "SHA-384"
+ }
+ };
+ break;
+ case "1.2.840.113549.1.1.13":
+ result = {
+ name: "RSASSA-PKCS1-v1_5",
+ hash: {
+ name: "SHA-512"
+ }
+ };
+ break;
+ case "1.2.840.113549.1.1.10":
+ result = {
+ name: "RSA-PSS"
+ };
+ break;
+ case "1.2.840.113549.1.1.7":
+ result = {
+ name: "RSA-OAEP"
+ };
+ break;
+ case "1.2.840.10045.4.1":
+ result = {
+ name: "ECDSA",
+ hash: {
+ name: "SHA-1"
+ }
+ };
+ break;
+ case "1.2.840.10045.4.3.2":
+ result = {
+ name: "ECDSA",
+ hash: {
+ name: "SHA-256"
+ }
+ };
+ break;
+ case "1.2.840.10045.4.3.3":
+ result = {
+ name: "ECDSA",
+ hash: {
+ name: "SHA-384"
+ }
+ };
+ break;
+ case "1.2.840.10045.4.3.4":
+ result = {
+ name: "ECDSA",
+ hash: {
+ name: "SHA-512"
+ }
+ };
+ break;
+ case "1.3.133.16.840.63.0.2":
+ result = {
+ name: "ECDH",
+ kdf: "SHA-1"
+ };
+ break;
+ case "1.3.132.1.11.1":
+ result = {
+ name: "ECDH",
+ kdf: "SHA-256"
+ };
+ break;
+ case "1.3.132.1.11.2":
+ result = {
+ name: "ECDH",
+ kdf: "SHA-384"
+ };
+ break;
+ case "1.3.132.1.11.3":
+ result = {
+ name: "ECDH",
+ kdf: "SHA-512"
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.2":
+ result = {
+ name: "AES-CBC",
+ length: 128
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.22":
+ result = {
+ name: "AES-CBC",
+ length: 192
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.42":
+ result = {
+ name: "AES-CBC",
+ length: 256
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.6":
+ result = {
+ name: "AES-GCM",
+ length: 128
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.26":
+ result = {
+ name: "AES-GCM",
+ length: 192
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.46":
+ result = {
+ name: "AES-GCM",
+ length: 256
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.4":
+ result = {
+ name: "AES-CFB",
+ length: 128
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.24":
+ result = {
+ name: "AES-CFB",
+ length: 192
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.44":
+ result = {
+ name: "AES-CFB",
+ length: 256
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.5":
+ result = {
+ name: "AES-KW",
+ length: 128
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.25":
+ result = {
+ name: "AES-KW",
+ length: 192
+ };
+ break;
+ case "2.16.840.1.101.3.4.1.45":
+ result = {
+ name: "AES-KW",
+ length: 256
+ };
+ break;
+ case "1.2.840.113549.2.7":
+ result = {
+ name: "HMAC",
+ hash: {
+ name: "SHA-1"
+ }
+ };
+ break;
+ case "1.2.840.113549.2.9":
+ result = {
+ name: "HMAC",
+ hash: {
+ name: "SHA-256"
+ }
+ };
+ break;
+ case "1.2.840.113549.2.10":
+ result = {
+ name: "HMAC",
+ hash: {
+ name: "SHA-384"
+ }
+ };
+ break;
+ case "1.2.840.113549.2.11":
+ result = {
+ name: "HMAC",
+ hash: {
+ name: "SHA-512"
+ }
+ };
+ break;
+ case "1.2.840.113549.1.9.16.3.5":
+ result = {
+ name: "DH"
+ };
+ break;
+ case "1.3.14.3.2.26":
+ result = {
+ name: "SHA-1"
+ };
+ break;
+ case "2.16.840.1.101.3.4.2.1":
+ result = {
+ name: "SHA-256"
+ };
+ break;
+ case "2.16.840.1.101.3.4.2.2":
+ result = {
+ name: "SHA-384"
+ };
+ break;
+ case "2.16.840.1.101.3.4.2.3":
+ result = {
+ name: "SHA-512"
+ };
+ break;
+ case "1.2.840.113549.1.5.12":
+ result = {
+ name: "PBKDF2"
+ };
+ break;
+ // #region Special case - OIDs for ECC curves
+ case "1.2.840.10045.3.1.7":
+ result = {
+ name: "P-256"
+ };
+ break;
+ case "1.3.132.0.34":
+ result = {
+ name: "P-384"
+ };
+ break;
+ case "1.3.132.0.35":
+ result = {
+ name: "P-521"
+ };
+ break;
+ // #endregion
+
+ default:
+ }
+
+ return result;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getHashAlgorithm =
+ function(signatureAlgorithm)
+ {
+ /// <summary>Getting hash algorithm by signature algorithm</summary>
+ /// <param name="signatureAlgorithm" type="in_window.org.pkijs.simpl.ALGORITHM_IDENTIFIER">Signature algorithm</param>
+
+ var result = "";
+
+ switch(signatureAlgorithm.algorithm_id)
+ {
+ case "1.2.840.10045.4.1": // ecdsa-with-SHA1
+ case "1.2.840.113549.1.1.5":
+ result = "SHA-1";
+ break;
+ case "1.2.840.10045.4.3.2": // ecdsa-with-SHA256
+ case "1.2.840.113549.1.1.11":
+ result = "SHA-256";
+ break;
+ case "1.2.840.10045.4.3.3": // ecdsa-with-SHA384
+ case "1.2.840.113549.1.1.12":
+ result = "SHA-384";
+ break;
+ case "1.2.840.10045.4.3.4": // ecdsa-with-SHA512
+ case "1.2.840.113549.1.1.13":
+ result = "SHA-512";
+ break;
+ case "1.2.840.113549.1.1.10": // RSA-PSS
+ {
+ var params;
+
+ try
+ {
+ params = new in_window.org.pkijs.simpl.x509.RSASSA_PSS_params({ schema: signatureAlgorithm.algorithm_params });
+ if("hashAlgorithm" in params)
+ {
+ var algorithm = in_window.org.pkijs.getAlgorithmByOID(params.hashAlgorithm.algorithm_id);
+ if(("name" in algorithm) === false)
+ return "";
+
+ result = algorithm.name;
+ }
+ else
+ result = "SHA-1";
+ }
+ catch(ex)
+ {
+ }
+ }
+ break;
+ default:
+ }
+
+ return result;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.createCMSECDSASignature =
+ function(signatureBuffer)
+ {
+ /// <summary>Create CMS ECDSA signature from WebCrypto ECDSA signature</summary>
+ /// <param name="signatureBuffer" type="ArrayBuffer">WebCrypto result of "sign" function</param>
+
+ // #region Initial check for correct length
+ if((signatureBuffer.byteLength % 2) != 0)
+ return new ArrayBuffer(0);
+ // #endregion
+
+ // #region Initial variables
+ var i = 0;
+ var length = signatureBuffer.byteLength / 2; // There are two equal parts inside incoming ArrayBuffer
+
+ var signatureView = new Uint8Array(signatureBuffer);
+
+ var r_buffer = new ArrayBuffer(length);
+ var r_view = new Uint8Array(r_buffer);
+ var r_corrected_buffer;
+ var r_corrected_view;
+
+ var s_buffer = new ArrayBuffer(length);
+ var s_view = new Uint8Array(s_buffer);
+ var s_corrected_buffer;
+ var s_corrected_view;
+ // #endregion
+
+ // #region Get "r" part of ECDSA signature
+ for(; i < length; i++)
+ r_view[i] = signatureView[i];
+
+ if(r_view[0] & 0x80)
+ {
+ r_corrected_buffer = new ArrayBuffer(length + 1);
+ r_corrected_view = new Uint8Array(r_corrected_buffer);
+
+ r_corrected_view[0] = 0x00;
+
+ for(var j = 0; j < length; j++)
+ r_corrected_view[j + 1] = r_view[j];
+ }
+ else
+ {
+ r_corrected_buffer = r_buffer;
+ r_corrected_view = r_view;
+ }
+ // #endregion
+
+ // #region Get "s" part of ECDSA signature
+ for(; i < signatureBuffer.byteLength; i++)
+ s_view[i - length] = signatureView[i];
+
+
+ if(s_view[0] & 0x80)
+ {
+ s_corrected_buffer = new ArrayBuffer(length + 1);
+ s_corrected_view = new Uint8Array(s_corrected_buffer);
+
+ s_corrected_view[0] = 0x00;
+
+ for(var j = 0; j < length; j++)
+ s_corrected_view[j + 1] = s_view[j];
+ }
+ else
+ {
+ s_corrected_buffer = s_buffer;
+ s_corrected_view = s_view;
+ }
+ // #endregion
+
+ // #region Create ASN.1 structure of CMS ECDSA signature
+ var r_integer = new in_window.org.pkijs.asn1.INTEGER();
+ r_integer.value_block.is_hex_only = true;
+ r_integer.value_block.value_hex = in_window.org.pkijs.copyBuffer(r_corrected_buffer);
+
+ var s_integer = new in_window.org.pkijs.asn1.INTEGER();
+ s_integer.value_block.is_hex_only = true;
+ s_integer.value_block.value_hex = in_window.org.pkijs.copyBuffer(s_corrected_buffer);
+
+ var asn1 = new in_window.org.pkijs.asn1.SEQUENCE({
+ value: [
+ r_integer,
+ s_integer
+ ]
+ });
+ // #endregion
+
+ return asn1.toBER(false);
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.createECDSASignatureFromCMS =
+ function(cmsSignature)
+ {
+ /// <summary>Create a single ArrayBuffer from CMS ECDSA signature</summary>
+ /// <param name="cmsSignature" type="in_window.org.pkijs.asn1.SEQUENCE">ASN.1 SEQUENCE contains CMS ECDSA signature</param>
+
+ // #region Initial variables
+ var length = 0;
+
+ var r_start = 0;
+ var s_start = 0;
+
+ var r_length = cmsSignature.value_block.value[0].value_block.value_hex.byteLength;
+ var s_length = cmsSignature.value_block.value[1].value_block.value_hex.byteLength;
+ // #endregion
+
+ // #region Get length of final "ArrayBuffer"
+ var r_view = new Uint8Array(cmsSignature.value_block.value[0].value_block.value_hex);
+ if((r_view[0] === 0x00) && (r_view[1] & 0x80))
+ {
+ length = r_length - 1;
+ r_start = 1;
+ }
+ else
+ length = r_length;
+
+ var s_view = new Uint8Array(cmsSignature.value_block.value[1].value_block.value_hex);
+ if((s_view[0] === 0x00) && (s_view[1] & 0x80))
+ {
+ length += s_length - 1;
+ s_start = 1;
+ }
+ else
+ length += s_length;
+ // #endregion
+
+ // #region Copy values from CMS ECDSA signature
+ var result = new ArrayBuffer(length);
+ var result_view = new Uint8Array(result);
+
+ for(var i = r_start; i < r_length; i++)
+ result_view[i - r_start] = r_view[i];
+
+ for(var i = s_start; i < s_length; i++)
+ result_view[i - s_start + r_length - r_start] = s_view[i];
+ // #endregion
+
+ return result;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getEncryptionAlgorithm =
+ function(algorithm)
+ {
+ /// <summary>Get encryption algorithm OID by WebCrypto algorithm's object</summary>
+ /// <param name="algorithm" type="WebCryptoAlgorithm">WebCrypto algorithm object</param>
+
+ var result = "";
+
+ switch(algorithm.name.toUpperCase())
+ {
+ case "AES-CBC":
+ switch(algorithm.length)
+ {
+ case 128:
+ result = "2.16.840.1.101.3.4.1.2";
+ break;
+ case 192:
+ result = "2.16.840.1.101.3.4.1.22";
+ break;
+ case 256:
+ result = "2.16.840.1.101.3.4.1.42";
+ break;
+ default:
+ }
+ break;
+ case "AES-GCM":
+ switch(algorithm.length)
+ {
+ case 128:
+ result = "2.16.840.1.101.3.4.1.6";
+ break;
+ case 192:
+ result = "2.16.840.1.101.3.4.1.26";
+ break;
+ case 256:
+ result = "2.16.840.1.101.3.4.1.46";
+ break;
+ default:
+ }
+ break;
+ default:
+ }
+
+ return result;
+ };
+ //**************************************************************************************
+ in_window.org.pkijs.getAlgorithmByEncryptionOID =
+ function(oid)
+ {
+ /// <summary>Get encryption algorithm name by OID</summary>
+ /// <param name="oid" type="String">OID of encryption algorithm</param>
+
+ var result = "";
+
+ switch(oid)
+ {
+ case "2.16.840.1.101.3.4.1.2":
+ case "2.16.840.1.101.3.4.1.22":
+ case "2.16.840.1.101.3.4.1.42":
+ result = "AES-CBC";
+ break;
+ case "2.16.840.1.101.3.4.1.6":
+ case "2.16.840.1.101.3.4.1.26":
+ case "2.16.840.1.101.3.4.1.46":
+ result = "AES-GCM";
+ break;
+ default:
+ }
+
+ return result;
+ };
+ //**************************************************************************************
+ // #endregion
+ //**************************************************************************************
+}
+)(typeof exports !== "undefined" ? exports : window); \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-16 07:04:35 +0000