创建

node_modules/crypto-js/pad-zeropadding.js

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+;(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) {
+
+	/**
+	 * Zero padding strategy.
+	 */
+	CryptoJS.pad.ZeroPadding = {
+	    pad: function (data, blockSize) {
+	        // Shortcut
+	        var blockSizeBytes = blockSize * 4;
+
+	        // Pad
+	        data.clamp();
+	        data.sigBytes += blockSizeBytes - ((data.sigBytes % blockSizeBytes) || blockSizeBytes);
+	    },
+
+	    unpad: function (data) {
+	        // Shortcut
+	        var dataWords = data.words;
+
+	        // Unpad
+	        var i = data.sigBytes - 1;
+	        for (var i = data.sigBytes - 1; i >= 0; i--) {
+	            if (((dataWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff)) {
+	                data.sigBytes = i + 1;
+	                break;
+	            }
+	        }
+	    }
+	};
+
+
+	return CryptoJS.pad.ZeroPadding;
+
+}));