Rewrote PBKDF2 operation to use Forge instead of CryptoJS and improved the API for both PBKDF2 and EVP operations.
n1474335
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68e52d1645
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b58942f69a
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@ -1445,10 +1445,16 @@ const OperationConfig = {
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},
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"Derive PBKDF2 key": {
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module: "Ciphers",
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description: "PBKDF2 is a password-based key derivation function. In many applications of cryptography, user security is ultimately dependent on a password, and because a password usually can't be used directly as a cryptographic key, some processing is required.<br><br>A salt provides a large set of keys for any given password, and an iteration count increases the cost of producing keys from a password, thereby also increasing the difficulty of attack.<br><br>Enter your passphrase as the input and then set the relevant options to generate a key.",
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description: "PBKDF2 is a password-based key derivation function. It is part of RSA Laboratories' Public-Key Cryptography Standards (PKCS) series, specifically PKCS #5 v2.0, also published as Internet Engineering Task Force's RFC 2898.<br><br>In many applications of cryptography, user security is ultimately dependent on a password, and because a password usually can't be used directly as a cryptographic key, some processing is required.<br><br>A salt provides a large set of keys for any given password, and an iteration count increases the cost of producing keys from a password, thereby also increasing the difficulty of attack.<br><br>If you leave the salt argument empty, a random salt will be generated.",
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inputType: "string",
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outputType: "string",
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args: [
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{
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name: "Passphrase",
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT2
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},
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{
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name: "Key size",
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type: "number",
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@ -1465,28 +1471,25 @@ const OperationConfig = {
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value: Cipher.HASHERS
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},
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{
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name: "Salt (hex)",
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type: "string",
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value: ""
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},
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{
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name: "Input format",
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type: "option",
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value: Cipher.CJS_IO_FORMAT
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},
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{
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name: "Output format",
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type: "option",
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value: Cipher.IO_FORMAT1
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name: "Salt",
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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]
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},
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"Derive EVP key": {
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module: "Ciphers",
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description: "EVP is a password-based key derivation function used extensively in OpenSSL. In many applications of cryptography, user security is ultimately dependent on a password, and because a password usually can't be used directly as a cryptographic key, some processing is required.<br><br>A salt provides a large set of keys for any given password, and an iteration count increases the cost of producing keys from a password, thereby also increasing the difficulty of attack.<br><br>Enter your passphrase as the input and then set the relevant options to generate a key.",
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description: "EVP is a password-based key derivation function (PBKDF) used extensively in OpenSSL. In many applications of cryptography, user security is ultimately dependent on a password, and because a password usually can't be used directly as a cryptographic key, some processing is required.<br><br>A salt provides a large set of keys for any given password, and an iteration count increases the cost of producing keys from a password, thereby also increasing the difficulty of attack.<br><br>If you leave the salt argument empty, a random salt will be generated.",
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inputType: "string",
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outputType: "string",
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args: [
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{
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name: "Passphrase",
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT2
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},
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{
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name: "Key size",
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type: "number",
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@ -1503,19 +1506,10 @@ const OperationConfig = {
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value: Cipher.HASHERS
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},
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{
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name: "Salt (hex)",
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type: "string",
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value: ""
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},
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{
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name: "Input format",
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type: "option",
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value: Cipher.CJS_IO_FORMAT
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},
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{
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name: "Output format",
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type: "option",
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value: Cipher.IO_FORMAT1
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name: "Salt",
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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]
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},
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@ -361,7 +361,7 @@ DES uses a key length of 8 bytes (64 bits).`;
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* @constant
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* @default
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*/
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KDF_KEY_SIZE: 256,
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KDF_KEY_SIZE: 128,
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/**
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* @constant
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* @default
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@ -371,7 +371,7 @@ DES uses a key length of 8 bytes (64 bits).`;
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* @constant
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* @default
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*/
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HASHERS: ["MD5", "SHA1", "SHA224", "SHA256", "SHA384", "SHA512", "SHA3", "RIPEMD160"],
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HASHERS: ["SHA1", "SHA256", "SHA384", "SHA512", "MD5"],
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/**
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* Derive PBKDF2 key operation.
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@ -381,20 +381,15 @@ DES uses a key length of 8 bytes (64 bits).`;
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* @returns {string}
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*/
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runPbkdf2: function (input, args) {
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let keySize = args[0] / 32,
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iterations = args[1],
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hasher = args[2],
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salt = CryptoJS.enc.Hex.parse(args[3] || ""),
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inputFormat = args[4],
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outputFormat = args[5],
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passphrase = Cipher._format[inputFormat].parse(input),
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key = CryptoJS.PBKDF2(passphrase, salt, {
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keySize: keySize,
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hasher: CryptoJS.algo[hasher],
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iterations: iterations,
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});
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const passphrase = Utils.convertToByteString(args[0].string, args[0].option),
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keySize = args[1],
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iterations = args[2],
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hasher = args[3],
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salt = Utils.convertToByteString(args[4].string, args[4].option) ||
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forge.random.getBytesSync(keySize),
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derivedKey = forge.pkcs5.pbkdf2(passphrase, salt, iterations, keySize / 8, hasher.toLowerCase());
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return key.toString(Cipher._format[outputFormat]);
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return Utils.toHexFast(Utils.strToCharcode(derivedKey));
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},
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@ -406,20 +401,18 @@ DES uses a key length of 8 bytes (64 bits).`;
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* @returns {string}
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*/
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runEvpkdf: function (input, args) {
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let keySize = args[0] / 32,
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iterations = args[1],
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hasher = args[2],
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salt = CryptoJS.enc.Hex.parse(args[3] || ""),
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inputFormat = args[4],
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outputFormat = args[5],
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passphrase = Cipher._format[inputFormat].parse(input),
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const passphrase = Utils.convertToByteString(args[0].string, args[0].option),
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keySize = args[1] / 32,
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iterations = args[2],
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hasher = args[3],
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salt = Utils.convertToByteString(args[4].string, args[4].option),
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key = CryptoJS.EvpKDF(passphrase, salt, {
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keySize: keySize,
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hasher: CryptoJS.algo[hasher],
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iterations: iterations,
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});
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return key.toString(Cipher._format[outputFormat]);
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return key.toString(CryptoJS.enc.Hex);
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},
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