[apps/tidep0084.git] / example / iot-gateway / node_modules / aws-iot-device-sdk / node_modules / crypto-js / mode-ctr.js
diff --git a/example/iot-gateway/node_modules/aws-iot-device-sdk/node_modules/crypto-js/mode-ctr.js b/example/iot-gateway/node_modules/aws-iot-device-sdk/node_modules/crypto-js/mode-ctr.js
+++ /dev/null
@@ -1,58 +0,0 @@
-;(function (root, factory, undef) {
- if (typeof exports === "object") {
- // CommonJS
- module.exports = exports = factory(require("./core"), require("./cipher-core"));
- }
- else if (typeof define === "function" && define.amd) {
- // AMD
- define(["./core", "./cipher-core"], factory);
- }
- else {
- // Global (browser)
- factory(root.CryptoJS);
- }
-}(this, function (CryptoJS) {
-
- /**
- * Counter block mode.
- */
- CryptoJS.mode.CTR = (function () {
- var CTR = CryptoJS.lib.BlockCipherMode.extend();
-
- var Encryptor = CTR.Encryptor = CTR.extend({
- processBlock: function (words, offset) {
- // Shortcuts
- var cipher = this._cipher
- var blockSize = cipher.blockSize;
- var iv = this._iv;
- var counter = this._counter;
-
- // Generate keystream
- if (iv) {
- counter = this._counter = iv.slice(0);
-
- // Remove IV for subsequent blocks
- this._iv = undefined;
- }
- var keystream = counter.slice(0);
- cipher.encryptBlock(keystream, 0);
-
- // Increment counter
- counter[blockSize - 1] = (counter[blockSize - 1] + 1) | 0
-
- // Encrypt
- for (var i = 0; i < blockSize; i++) {
- words[offset + i] ^= keystream[i];
- }
- }
- });
-
- CTR.Decryptor = Encryptor;
-
- return CTR;
- }());
-
-
- return CryptoJS.mode.CTR;
-
-}));
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