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@@ -0,0 +1,344 @@
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+import { hmacSha256 } from "./encrypt/hmacSha256"
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+import * as CryptoJS from "./encrypt/aes.js"
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+
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+/**
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+ * 工具类
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+ */
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+export class EncryptUtil {
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+
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+ // 随机生成32位字符串
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+ static randomString(len = 32) {
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+ let $chars =
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+ 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'
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+ let maxPos = $chars.length
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+ let pwd = ''
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+ for (let i = 0; i < len; i++) {
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+ pwd += $chars.charAt(Math.floor(Math.random() * maxPos))
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+ }
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+ return pwd
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+ }
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+
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+ //说明：
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+ // 1.如果加密解密涉及到前端和后端，则这里的key要保持和后端的key一致
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+ // 2.AES的算法模式有好几种（ECB,CBC,CFB,OFB），所以也要和后端保持一致
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+ // 3.AES的补码方式有两种（PKS5，PKS7），所以也要和后端保持一致
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+ // 4.AES的密钥长度有三种（128,192,256，默认是128），所以也要和后端保持一致
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+ // 5.AES的加密结果编码方式有两种（base64和十六进制），具体怎么选择由自己定，但是加密和解密的编码方式要统一
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+ //十六位十六进制数作为秘钥
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+ // private static key = fun_aes.CryptoJS.enc.Utf8.parse("3454345434543454");
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+ //十六位十六进制数作为秘钥偏移量
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+ // private static iv = fun_aes.CryptoJS.enc.Utf8.parse('6666666666666666');
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+
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+ /**aes加密
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+ * @param state true 存包长 false /r/n
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+ */
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+ static Encrypt(word, tkey, appid, state = true) {
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+ let tiv = tkey.substr(0, 16)
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+
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+ // n = Base64.Instance.encode(n)
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+ //明文拼接
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+ let newStr = ''
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+ if (state) {
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+ // let n = this.pack(word.length)
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+ // newStr = tiv + n + word + appid
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+ newStr = tiv + word + appid
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+ }
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+ else {
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+ newStr = tiv + word + '\r\n' + appid
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+ }
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+
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+ //加密后
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+ let key = CryptoJS.enc.Utf8.parse(tkey);
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+ let iv = CryptoJS.enc.Utf8.parse(tiv);
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+
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+ newStr = CryptoJS.enc.Utf8.parse(newStr);
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+ var encrypted = CryptoJS.AES.encrypt(newStr, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
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+ encrypted = encrypted.toString()
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+ let mac = hmacSha256.Instance.hex_hmac_sha256(tkey, encrypted)
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+ let newStrTwo = CryptoJS.enc.Base64.stringify(CryptoJS.enc.Utf8.parse(tiv + encrypted + mac));
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+ return newStrTwo
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+ }
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+ /** aes解密
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+ * @param state true 存包长 false /r/n
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+ */
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+ static Decrypt(word, tkey, appid, state = true) {
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+
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+ let en = CryptoJS.enc.Base64.parse(word).toString(CryptoJS.enc.Utf8);
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+ let newStrOne = en.substr(16)
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+ let temp = newStrOne.substr(0, newStrOne.length - 64)
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+ let de = temp
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+
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+ let key = CryptoJS.enc.Utf8.parse(tkey);
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+ let iv = CryptoJS.enc.Utf8.parse(tkey.substr(0, 16));
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+
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+ var decrypt = CryptoJS.AES.decrypt(de, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
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+ // LogUtil.log('decrypt ', decrypt)
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+ var decryptedStr = CryptoJS.enc.Utf8.stringify(decrypt)
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+ decryptedStr = decryptedStr.toString()
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+
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+ // LogUtil.log('decryptedStr ', decryptedStr)
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+ let newStrThree = ''
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+ if (state) {
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+ newStrThree = decryptedStr.slice(16).replace(new RegExp("(.*)" + appid), '$1')
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+ }
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+ else {
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+ newStrThree = decryptedStr.slice(16).split('\r\n')[0]
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+ }
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+ return newStrThree
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+ }
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+
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+ /** for php pack( N , length ) */
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+ static pack(len: number) {
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+ var buf: ArrayBuffer = new ArrayBuffer(4);
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+ var dataView = new DataView(buf);
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+ dataView.setUint32(0, len)
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+ // LogUtil.log('dataView ', dataView)
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+ let str2 = this.ab2str(buf)
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+
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+ // let utf8decoder = new TextDecoder();
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+ // let str2 = utf8decoder.decode(buf)
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+ // LogUtil.log('str2 ', str2)
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+
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+ // let utf8encoder = new TextEncoder();
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+ // let str3 = utf8encoder.encode(str2)
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+ // LogUtil.log("str3:", str3)
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+
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+ // let str4 = utf8decoder.decode(str3)
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+ // LogUtil.log('str4 ', str4)
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+
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+ // let aa = fun_aes.CryptoJS.enc.Utf8.parse(str2)
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+ // LogUtil.log('aa ', aa)
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+ return str2
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+ }
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+
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+ static Utf8ArrayToStr(array) {
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+ var out, i, len, c;
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+ var char2, char3;
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+
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+ out = "";
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+ len = array.length;
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+ i = 0;
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+ while (i < len) {
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+ c = array[i++];
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+ switch (c >> 4) {
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+ case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:
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+ // 0xxxxxxx
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+ out += String.fromCharCode(c);
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+ break;
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+ case 12: case 13:
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+ // 110x xxxx 10xx xxxx
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+ char2 = array[i++];
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+ out += String.fromCharCode(((c & 0x1F) << 6) | (char2 & 0x3F));
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+ break;
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+ case 14:
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+ // 1110 xxxx 10xx xxxx 10xx xxxx
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+ char2 = array[i++];
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+ char3 = array[i++];
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+ out += String.fromCharCode(((c & 0x0F) << 12) |
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+ ((char2 & 0x3F) << 6) |
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+ ((char3 & 0x3F) << 0));
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+ break;
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+ }
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+ }
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+
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+ return out;
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+ }
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+
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+ //UTF-16转UTF-8
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+ static utf16ToUtf8(s) {
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+ if (!s) {
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+ return;
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+ }
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+
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+ var i, code, ret = [], len = s.length;
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+ for (i = 0; i < len; i++) {
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+ code = s.charCodeAt(i);
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+ if (code > 0x0 && code <= 0x7f) {
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+ //单字节
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+ //UTF-16 0000 - 007F
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+ //UTF-8 0xxxxxxx
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+ ret.push(s.charAt(i));
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+ } else if (code >= 0x80 && code <= 0x7ff) {
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+ //双字节
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+ //UTF-16 0080 - 07FF
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+ //UTF-8 110xxxxx 10xxxxxx
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+ ret.push(
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+ //110xxxxx
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+ String.fromCharCode(0xc0 | ((code >> 6) & 0x1f)),
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+ //10xxxxxx
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+ String.fromCharCode(0x80 | (code & 0x3f))
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+ );
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+ } else if (code >= 0x800 && code <= 0xffff) {
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+ //三字节
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+ //UTF-16 0800 - FFFF
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+ //UTF-8 1110xxxx 10xxxxxx 10xxxxxx
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+ ret.push(
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+ //1110xxxx
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+ String.fromCharCode(0xe0 | ((code >> 12) & 0xf)),
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+ //10xxxxxx
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+ String.fromCharCode(0x80 | ((code >> 6) & 0x3f)),
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+ //10xxxxxx
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+ String.fromCharCode(0x80 | (code & 0x3f))
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+ );
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+ }
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+ }
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+
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+ return ret.join('');
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+ }
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+ //UTF-8转UTF-16
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+ static utf8ToUtf16(s) {
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+ if (!s) {
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+ return;
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+ }
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+
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+ var i, codes, bytes, ret = [], len = s.length;
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+ for (i = 0; i < len; i++) {
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+ codes = [];
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+ codes.push(s.charCodeAt(i));
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+ if (((codes[0] >> 7) & 0xff) == 0x0) {
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+ //单字节 0xxxxxxx
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+ ret.push(s.charAt(i));
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+ } else if (((codes[0] >> 5) & 0xff) == 0x6) {
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+ //双字节 110xxxxx 10xxxxxx
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+ codes.push(s.charCodeAt(++i));
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+ bytes = [];
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+ bytes.push(codes[0] & 0x1f);
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+ bytes.push(codes[1] & 0x3f);
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+ ret.push(String.fromCharCode((bytes[0] << 6) | bytes[1]));
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+ } else if (((codes[0] >> 4) & 0xff) == 0xe) {
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+ //三字节 1110xxxx 10xxxxxx 10xxxxxx
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+ codes.push(s.charCodeAt(++i));
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+ codes.push(s.charCodeAt(++i));
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+ bytes = [];
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+ bytes.push((codes[0] << 4) | ((codes[1] >> 2) & 0xf));
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+ bytes.push(((codes[1] & 0x3) << 6) | (codes[2] & 0x3f));
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+ ret.push(String.fromCharCode((bytes[0] << 8) | bytes[1]));
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+ }
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+ }
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+ return ret.join('');
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+ }
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+
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+ // ArrayBuffer转为字符串，参数为ArrayBuffer对象
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+ static ab2str(buf: ArrayBuffer) {
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+ return String.fromCharCode.apply(null, new Uint8Array(buf));
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+ }
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+
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+
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+ static Uint8ArrayToString(fileData) {
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+ var dataString = "";
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+ for (var i = 0; i < fileData.length; i++) {
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+ dataString += String.fromCharCode(fileData[i]);
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+ }
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+
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+ return dataString
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+ }
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+
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+ static stringToUint8Array(str) {
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+ var arr = [];
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+ for (var i = 0, j = str.length; i < j; ++i) {
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+ arr.push(str.charCodeAt(i));
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+ }
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+
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+ var tmpUint8Array = new Uint8Array(arr);
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+ return tmpUint8Array
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+ }
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+
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+ // 字符串转为ArrayBuffer对象，参数为字符串
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+ static str2ab(str) {
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+ var buf = new ArrayBuffer(str.length); // 每个字符占用2个字节
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+ var bufView = new Uint8Array(buf);
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+ for (var i = 0, strLen = str.length; i < strLen; i++) {
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+ bufView[i] = str.charCodeAt(i);
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+ }
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+ return buf;
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+ }
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+
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+ private static options = {
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+ default_key_size: 2048,
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+ default_public_exponent: new Uint8Array([0x01, 0x00, 0x01])
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+ }
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+
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+ /*rsa加密*/
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+ static RSAEncrypt(word) {
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+ //LogUtil.log("JSEncrypt",window['JSEncrypt'])
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+ let jsb = new window['JSEncrypt'](this.options)
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+
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+ //公钥
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+ var publicString = '-----BEGIN PUBLIC KEY-----\n' +
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+ 'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuwz5V8wt525dMS+A9wOd\n' +
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+ 'NAjvKgxdyoXYuZSlAJEXLhvJlaXwFCKEsUg/qBBeo4nrRnwaFAjG7ItqbCWR9Ozv\n' +
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+ '6oY5tMYQnFFK82XkMGbKm1gG0z9vYKhcNYgHZHi+QKAw4tLLWXWO/QBTGelEXptD\n' +
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+ 'azlNmdM+8wHOknTcMuIyjc9Yo5qCoNsCJpA465vnREiBezBbKB3rSw+LmrRcZcFk\n' +
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+ 's8hmGtjpabcQ8sCxco7mRzVh6/DomNWfNm7hUP6shrrJirwjQtaS51grlScj8KhN\n' +
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+ 'h+kBoiI4Ad0Xz0GHasK5hAMf3sXDsN61r0An8KTfa/nsYSJDwogPIKkeKAsmw9Df\n' +
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+ 'EQIDAQAB\n' +
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+ '-----END PUBLIC KEY-----'
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+ jsb.setPublicKey(publicString)
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+ // 加密内容
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+ let encrypted = jsb.encrypt(word)
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+ return encrypted
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+ }
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+
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+ static RSAEncryptLong(word) {
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+ // console.log(window['JSEncrypt'])
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+ let jsb = new window['JSEncrypt'](this.options);
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+
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+ //公钥
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+ var publicString = '-----BEGIN PUBLIC KEY-----\n' +
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+ 'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuwz5V8wt525dMS+A9wOd\n' +
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+ 'NAjvKgxdyoXYuZSlAJEXLhvJlaXwFCKEsUg/qBBeo4nrRnwaFAjG7ItqbCWR9Ozv\n' +
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+ '6oY5tMYQnFFK82XkMGbKm1gG0z9vYKhcNYgHZHi+QKAw4tLLWXWO/QBTGelEXptD\n' +
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+ 'azlNmdM+8wHOknTcMuIyjc9Yo5qCoNsCJpA465vnREiBezBbKB3rSw+LmrRcZcFk\n' +
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+ 's8hmGtjpabcQ8sCxco7mRzVh6/DomNWfNm7hUP6shrrJirwjQtaS51grlScj8KhN\n' +
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+ 'h+kBoiI4Ad0Xz0GHasK5hAMf3sXDsN61r0An8KTfa/nsYSJDwogPIKkeKAsmw9Df\n' +
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+ 'EQIDAQAB\n' +
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+ '-----END PUBLIC KEY-----'
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+ jsb.setPublicKey(publicString);
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+ // 加密内容
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+ let encrypted = jsb.encryptLong(word);
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+ return encrypted;
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+ }
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+
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+ /*rsa解密*/
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+ // static RSADecrypt(word) {
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+ // // LogUtil.log(window['JSEncrypt'])
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+ // let jsb = new JSEncrypt(this.options)
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+
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+ // //私钥
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+ // var privateString = '-----BEGIN RSA PRIVATE KEY-----\n' +
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+ // 'MIIEowIBAAKCAQEAuwz5V8wt525dMS+A9wOdNAjvKgxdyoXYuZSlAJEXLhvJlaXw\n' +
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+ // 'FCKEsUg/qBBeo4nrRnwaFAjG7ItqbCWR9Ozv6oY5tMYQnFFK82XkMGbKm1gG0z9v\n' +
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+ // 'YKhcNYgHZHi+QKAw4tLLWXWO/QBTGelEXptDazlNmdM+8wHOknTcMuIyjc9Yo5qC\n' +
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+ // 'oNsCJpA465vnREiBezBbKB3rSw+LmrRcZcFks8hmGtjpabcQ8sCxco7mRzVh6/Do\n' +
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+ // 'mNWfNm7hUP6shrrJirwjQtaS51grlScj8KhNh+kBoiI4Ad0Xz0GHasK5hAMf3sXD\n' +
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+ // 'sN61r0An8KTfa/nsYSJDwogPIKkeKAsmw9DfEQIDAQABAoIBAFonN6pkY5+O5uXE\n' +
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+ // '8pCbslIZGESY7z+kYT+Y8CokxBpaFD/HWb4qoO/dVakIMsT5vWcce2k6jb4GuAVl\n' +
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+ // '2kJFTKEpjnidmfXtjIVhj6jwciiLNcbtZR4eJ0s5w+5d77ywOL+qP45fhcpVNLhh\n' +
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+ // 'YK2EgesVFFzWnxl6vniCUHtJ4HnOKHJCnLNP8Jv7v8yWqRhdPv+OSnXc/f8M5Nq4\n' +
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+ // 'zXIjZIf84sQdI9MAZ4IUv3yUnhQIGCX/ilLiOb+u8Z02DnImpwrSurm4SWOl/W7F\n' +
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+ // 'jz1LHonOnFNvoICwJUlwmSHVbSxOG4dHSxs45dSHizCxIbPyHNW0sF/u5EHz2cmw\n' +
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+ // 'ZIrtmh0CgYEA91DZBmRS8f6ELIPTozOd9c9OOiW0Mn0njG2Hf59tRkUNcAVnrdT6\n' +
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+ // '1v0ziD1tnprBCQr7NKzJiU3ds4qR/Vfza2F9M894CIX3HZLZomrP+Kr0xqeogxfy\n' +
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+ // 'IVQ3n6aCIR2lKG2zBuxJJCp3UhGjS1NOOvcVqK9F+0Py6LHRG7SAoMsCgYEAwZ5l\n' +
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+ // 'Q2x/V9vDf3KMsQf/5noaPrxgoTH9py4JgCwK6ab9M8BtAsAZ4xs6RUd6XEMeGsv4\n' +
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+ // 'rLKKZhR0vMNnec/wHb3tNEFMihKsGkgCrycl4sJQIJsNX30bungrrC2XZUEAqN9g\n' +
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+ // '1IbDKAiq6l+0YQVC+742FZ6t7IgjrgV/lj7g0BMCgYEAkSeZiT/e0vvAFeR1lecY\n' +
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+ // 'wgofbs9sWOnOCYTLr2MiHskunt39QTCs3PwVf9QV/63yuF0CnaMAUp8qDVO6Zch2\n' +
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|
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+ // 'LUM12e/eEpqWNHxZUhOA5wFn0yTaKb8nNNqaHxD6dXdR1U21cs3CDAEEsV16yx4k\n' +
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|
|
+ // '30TgKHZfC5+Q9XRQOAOUL0sCgYBcq/u78cphuwYvkhxU/4c0QW0eafu2K79ErXxO\n' +
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|
|
+ // 'pMX0X8EBbDDBCEFbukSBtFyUnGtkWAyGXE5x3YiicMSuQSCkm6tVP4vq6lUFn0Hp\n' +
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|
|
+ // 'o8s2ZdsEQDJ+adtDvRDqMEguZpZyPbiTAI2YM83asEQdy+7rn3czkeedNuwc9vTC\n' +
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|
|
+ // 'bQYdkQKBgAqApiDmh84iMQUv5DQ2ks4Ddv/jpuYp/wELTN59n+IvP7BfdkOVBcYR\n' +
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|
|
+ // 'Z1MZNo9fAIdF700ijKQKKgR1r5iOHiBo4A4DybxN3FHyS348BDbuh/dg2Z6307iS\n' +
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|
|
+ // 'cNCq6ajhNeTtMy2E14DEdinp/7l2o87OpAR2cGRFBEi+f2RRQ2p0\n' +
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|
|
+ // '-----END RSA PRIVATE KEY-----'
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|
|
+ // jsb.setPrivateKey(privateString)
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|
|
+ // // 解密内容
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|
|
+ // let encrypted = jsb.decrypt(word)
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+ // return encrypted
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+ // }
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+
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+ static getLocalTime(nS) {
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+ return new Date(parseInt(nS) * 1000).toLocaleString().replace(/:\d{1,2}$/, ' ');
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|
|
+ }
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|
|
+}
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zouyong