/**
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* AES加密
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* @param {*} word 当前有效参数
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* @param {*} keyStr KEY值，加密的盐
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* @returns
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*/
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import CryptoJS from 'crypto-js';
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export function encryptAES(word, keyStr) {
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keyStr = keyStr ? keyStr : 'Ryo7M3n8loC5Abcd'; //判断是否存在ksy，不存在就用定义好的key
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var key = CryptoJS.enc.Utf8.parse(keyStr);
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var viStr = key;//偏移量
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let srcs = CryptoJS.enc.Utf8.parse(word);
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let encrypted = CryptoJS.AES.encrypt(srcs, key, { iv: viStr, mode: CryptoJS.mode.ECB, padding: CryptoJS.pad.Pkcs7 });
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// var res = encrypted.ciphertext.toString();
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var res = encrypted.toString(); // base64
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return res;
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}
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/**
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* AES解密
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* @param {*} word 被AES加密后的字符串
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* @param {*} keyStr KEY值，解密的盐
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* @returns
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*/
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export function decryptAES(word, keyStr) {
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// console.log('解密密文： word=',word);
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keyStr = keyStr ? keyStr : 'Ryo7M3n8loC5Abcd';
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var key = CryptoJS.enc.Utf8.parse(keyStr);
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var viStr = key;//偏移量
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let encryptedHexStr = CryptoJS.enc.Hex.parse(word);
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let srcs = CryptoJS.enc.Base64.stringify(encryptedHexStr);
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var decrypt = CryptoJS.AES.decrypt(srcs, key, { iv: viStr, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
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var res = decrypt.toString(CryptoJS.enc.Utf8).toString();
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// console.log('解密结果 res=',res);
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return res;
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// return CryptoJS.enc.Utf8.stringify(decrypt).toString();
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}
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/**
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* 随机生成指定数量的16进制key
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* @param {*} num 指定KEY的位数
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* @returns
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*/
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export function generatekeyAES(num) {
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let library = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
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let key = "";
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for (var i = 0; i < num; i++) {
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let randomPoz = Math.floor(Math.random() * library.length);
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key += library.substring(randomPoz, randomPoz + 1);
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}
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return key;
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}
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