前后端对称加密（AES）
后端实现（JAVA）
16:24:03package com.vcgeek.hephaestus.demo; import org.apache.commons.codec.binary.Base64; import org.apache.commons.lang3.StringUtils; import sun.misc.BASE64Decoder; import javax.crypto.Cipher; import javax.crypto.KeyGenerator; import javax.crypto.spec.SecretKeySpec; import java.math.BigInteger; /** * 功能描述 * * @author: zyu * @description: * @date: 2019/6/24 11:41 */ public class AesDemo { //密钥 (需要前端和后端保持一致) private static final String KEY = "abcdefgabcdefg12"; //算法 private static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding"; /** * aes解密 * @param encrypt 内容 * @return * @throws Exception */ public static String aesDecrypt(String encrypt) { try { return aesDecrypt(encrypt, KEY); } catch (Exception e) { e.printStackTrace(); return ""; } } /** * aes加密 * @param content * @return * @throws Exception */ public static String aesEncrypt(String content) { try { return aesEncrypt(content, KEY); } catch (Exception e) { e.printStackTrace(); return ""; } } /** * 将byte[]转为各种进制的字符串 * @param bytes byte[] * @param radix 可以转换进制的范围，从Character.MIN_RADIX到Character.MAX_RADIX，超出范围后变为10进制 * @return 转换后的字符串 */ public static String binary(byte[] bytes, int radix){ return new BigInteger(1, bytes).toString(radix);// 这里的1代表正数 } /** * base 64 encode * @param bytes 待编码的byte[] * @return 编码后的base 64 code */ public static String base64Encode(byte[] bytes){ return Base64.encodeBase64String(bytes); } /** * base 64 decode * @param base64Code 待解码的base 64 code * @return 解码后的byte[] * @throws Exception */ public static byte[] base64Decode(String base64Code) throws Exception{ return StringUtils.isEmpty(base64Code) ? null : new BASE64Decoder().decodeBuffer(base64Code); } /** * AES加密 * @param content 待加密的内容 * @param encryptKey 加密密钥 * @return 加密后的byte[] * @throws Exception */ public static byte[] aesEncryptToBytes(String content, String encryptKey) throws Exception { KeyGenerator kgen = KeyGenerator.getInstance("AES"); kgen.init(128); Cipher cipher = Cipher.getInstance(ALGORITHMSTR); cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encryptKey.getBytes(), "AES")); return cipher.doFinal(content.getBytes("utf-8")); } /** * AES加密为base 64 code * @param content 待加密的内容 * @param encryptKey 加密密钥 * @return 加密后的base 64 code * @throws Exception */ public static String aesEncrypt(String content, String encryptKey) throws Exception { return base64Encode(aesEncryptToBytes(content, encryptKey)); } /** * AES解密 * @param encryptBytes 待解密的byte[] * @param decryptKey 解密密钥 * @return 解密后的String * @throws Exception */ public static String aesDecryptByBytes(byte[] encryptBytes, String decryptKey) throws Exception { KeyGenerator kgen = KeyGenerator.getInstance("AES"); kgen.init(128); Cipher cipher = Cipher.getInstance(ALGORITHMSTR); cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(decryptKey.getBytes(), "AES")); byte[] decryptBytes = cipher.doFinal(encryptBytes); return new String(decryptBytes); } /** * 将base 64 code AES解密 * @param encryptStr 待解密的base 64 code * @param decryptKey 解密密钥 * @return 解密后的string * @throws Exception */ public static String aesDecrypt(String encryptStr, String decryptKey) throws Exception { return StringUtils.isEmpty(encryptStr) ? null : aesDecryptByBytes(base64Decode(encryptStr), decryptKey); } /** * 测试 */ public static void main(String[] args) throws Exception { String content = "123"; System.out.println("加密前：" + content); System.out.println("加密密钥和解密密钥：" + KEY); String encrypt = aesEncrypt(content, KEY); System.out.println("加密后：" + encrypt); String decrypt = aesDecrypt(encrypt, KEY); System.out.println("解密后：" + decrypt); } }
前端实现
引入js文件
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//# sourceMappingURL=aes.min.js.map !function(e,n){"object"==typeof exports?module.exports=exports=n(require("./core.min")):"function"==typeof define&&define.amd?define(["./core.min"],n):n(e.CryptoJS)}(this,function(e){return e.enc.Utf8}); //# sourceMappingURL=enc-utf8.min.js.map
调用方法
/** * 加密 * @param word * @returns {*} */ function encrypt(word){ var key = CryptoJS.enc.Utf8.parse("abcdefgabcdefg12"); var srcs = CryptoJS.enc.Utf8.parse(word); var encrypted = CryptoJS.AES.encrypt(srcs, key, {mode:CryptoJS.mode.ECB,padding: CryptoJS.pad.Pkcs7}); return encrypted.toString(); } /** * 解密 * @param word * @returns {*} */ function decrypt(word){ var key = CryptoJS.enc.Utf8.parse("abcdefgabcdefg12"); var decrypt = CryptoJS.AES.decrypt(word, key, {mode:CryptoJS.mode.ECB,padding: CryptoJS.pad.Pkcs7}); return CryptoJS.enc.Utf8.stringify(decrypt).toString(); } export default { encrypt, decrypt }
