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117 lines
3.6 KiB
117 lines
3.6 KiB
"use strict";
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var base64map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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let Crypto = {};
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var util = Crypto.util = {
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rotl: function(n, b) {
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return n << b | n >>> 32 - b;
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},
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rotr: function(n, b) {
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return n << 32 - b | n >>> b;
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},
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endian: function(n) {
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if (n.constructor == Number) {
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return util.rotl(n, 8) & 16711935 | util.rotl(n, 24) & 4278255360;
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}
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for (var i = 0; i < n.length; i++)
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n[i] = util.endian(n[i]);
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return n;
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},
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randomBytes: function(n) {
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for (var bytes = []; n > 0; n--)
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bytes.push(Math.floor(Math.random() * 256));
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return bytes;
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},
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stringToBytes: function(str) {
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var bytes = [];
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for (var i = 0; i < str.length; i++)
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bytes.push(str.charCodeAt(i));
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return bytes;
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},
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bytesToString: function(bytes) {
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var str = [];
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for (var i = 0; i < bytes.length; i++)
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str.push(String.fromCharCode(bytes[i]));
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return str.join("");
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},
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stringToWords: function(str) {
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var words = [];
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for (var c = 0, b = 0; c < str.length; c++, b += 8)
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words[b >>> 5] |= str.charCodeAt(c) << 24 - b % 32;
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return words;
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},
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bytesToWords: function(bytes) {
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var words = [];
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for (var i = 0, b = 0; i < bytes.length; i++, b += 8)
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words[b >>> 5] |= bytes[i] << 24 - b % 32;
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return words;
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},
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wordsToBytes: function(words) {
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var bytes = [];
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for (var b = 0; b < words.length * 32; b += 8)
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bytes.push(words[b >>> 5] >>> 24 - b % 32 & 255);
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return bytes;
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},
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bytesToHex: function(bytes) {
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var hex = [];
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for (var i = 0; i < bytes.length; i++) {
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hex.push((bytes[i] >>> 4).toString(16));
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hex.push((bytes[i] & 15).toString(16));
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}
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return hex.join("");
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},
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hexToBytes: function(hex) {
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var bytes = [];
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for (var c = 0; c < hex.length; c += 2)
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bytes.push(parseInt(hex.substr(c, 2), 16));
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return bytes;
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},
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bytesToBase64: function(bytes) {
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if (typeof btoa == "function")
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return btoa(util.bytesToString(bytes));
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var base64 = [], overflow;
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for (var i = 0; i < bytes.length; i++) {
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switch (i % 3) {
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case 0:
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base64.push(base64map.charAt(bytes[i] >>> 2));
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overflow = (bytes[i] & 3) << 4;
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break;
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case 1:
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base64.push(base64map.charAt(overflow | bytes[i] >>> 4));
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overflow = (bytes[i] & 15) << 2;
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break;
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case 2:
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base64.push(base64map.charAt(overflow | bytes[i] >>> 6));
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base64.push(base64map.charAt(bytes[i] & 63));
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overflow = -1;
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}
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}
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if (overflow != void 0 && overflow != -1)
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base64.push(base64map.charAt(overflow));
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while (base64.length % 4 != 0)
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base64.push("=");
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return base64.join("");
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},
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base64ToBytes: function(base64) {
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if (typeof atob == "function")
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return util.stringToBytes(atob(base64));
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base64 = base64.replace(/[^A-Z0-9+\/]/ig, "");
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var bytes = [];
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for (var i = 0; i < base64.length; i++) {
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switch (i % 4) {
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case 1:
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bytes.push(base64map.indexOf(base64.charAt(i - 1)) << 2 | base64map.indexOf(base64.charAt(i)) >>> 4);
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break;
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case 2:
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bytes.push((base64map.indexOf(base64.charAt(i - 1)) & 15) << 4 | base64map.indexOf(base64.charAt(i)) >>> 2);
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break;
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case 3:
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bytes.push((base64map.indexOf(base64.charAt(i - 1)) & 3) << 6 | base64map.indexOf(base64.charAt(i)));
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break;
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}
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}
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return bytes;
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}
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};
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Crypto.mode = {};
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exports.Crypto = Crypto;
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//# sourceMappingURL=../../../../../.sourcemap/mp-weixin/utils/oss-upload/common/crypto/crypto.js.js.map
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