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| package com.webank.ai.fate.board.utils; | ||
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| import com.sun.org.apache.xerces.internal.impl.dv.util.Base64; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import sun.misc.BASE64Decoder; | ||
| import sun.misc.BASE64Encoder; | ||
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| import javax.crypto.Cipher; | ||
| import javax.crypto.spec.IvParameterSpec; | ||
| import javax.crypto.spec.SecretKeySpec; | ||
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| public class AESUtil { | ||
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| public static String aesKey = "94kl35k25d3t2rk1"; | ||
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| // 加密 | ||
| public static String encrypt(String sSrc, String encryptKey) throws Exception { | ||
| Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); | ||
| byte[] raw = encryptKey.getBytes(); | ||
| SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES"); | ||
| IvParameterSpec iv = new IvParameterSpec(encryptKey.getBytes());// 使用CBC模式，需要一个向量iv，可增加加密算法的强度 | ||
| cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv); | ||
| byte[] encrypted = cipher.doFinal(sSrc.getBytes("utf-8")); | ||
| // 此处使用BASE64做转码。 | ||
| return new BASE64Encoder().encode(encrypted).replaceAll("[\\s*\t\n\r]", ""); | ||
| } | ||
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| /** | ||
| * 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.encode(bytes); | ||
| } | ||
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| /** | ||
| * 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); | ||
| } | ||
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| /** | ||
| * 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 { | ||
| IvParameterSpec iv = new IvParameterSpec(decryptKey.getBytes("UTF-8")); | ||
| SecretKeySpec skeySpec = new SecretKeySpec(decryptKey.getBytes("UTF-8"), "AES"); | ||
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| Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); | ||
| cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv); | ||
| byte[] decryptBytes = cipher.doFinal(encryptBytes); | ||
| return new String(decryptBytes); | ||
| } | ||
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| /** | ||
| * 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); | ||
| } | ||
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| public static void main(String[] args) throws Exception { | ||
| String t = "test"; | ||
| String encrypt = AESUtil.encrypt(t, AESUtil.aesKey); | ||
| System.out.println(encrypt); | ||
| System.out.println(AESUtil.aesDecrypt(encrypt, AESUtil.aesKey)); | ||
| } | ||
| } |