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77 lines
3.4 KiB
77 lines
3.4 KiB
package com.hai.common.security;
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import com.hai.common.Base64Util;
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import org.apache.commons.lang3.StringUtils;
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import javax.crypto.Cipher;
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import javax.crypto.KeyGenerator;
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import javax.crypto.spec.SecretKeySpec;
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import java.math.BigInteger;
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import java.security.SecureRandom;
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import java.util.Base64;
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public class AESEncodeUtil {
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private static final String SEC_KEY="Skufk5oi85wDFGl888i6wsRSTkdd5df5";
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public static String binary(byte[] bytes, int radix){
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return new BigInteger(1, bytes).toString(radix);
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}
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public static String base64Encode(byte[] bytes){
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return Base64.getEncoder().encodeToString(bytes);//.replaceAll("\\s*", "");
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}
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public static byte[] base64Decode(String base64Code) throws Exception{
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return StringUtils.isEmpty(base64Code) ? null : Base64.getDecoder().decode(base64Code);
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}
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public static byte[] aesEncryptToBytes(String content, String encryptKey) throws Exception{
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KeyGenerator kgen = KeyGenerator.getInstance("AES");
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SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
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secureRandom.setSeed(encryptKey.getBytes());
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kgen.init(128, secureRandom);
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Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
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cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(kgen.generateKey().getEncoded(), "AES"));
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return cipher.doFinal(content.getBytes("utf-8"));
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}
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public static String aesEncrypt(String content) throws Exception{
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return base64Encode(aesEncryptToBytes(content, SEC_KEY));
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//return content;
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}
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public static String aesDecryptByBytes(byte[] encryptBytes, String decryptKey) throws Exception{
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KeyGenerator kgen = KeyGenerator.getInstance("AES");
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SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
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secureRandom.setSeed(decryptKey.getBytes());
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kgen.init(128, secureRandom);
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// byte[] key = {86, -42, -11, 12, 92, 41, 31, -48, 104, 31, -38, 106, -51, -16, -55, -96};
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Cipher cipher = Cipher.getInstance("AES");
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cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(kgen.generateKey().getEncoded(), "AES"));
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byte[] decryptBytes = cipher.doFinal(encryptBytes);
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return new String(decryptBytes);
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}
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public static String aesDecrypt(String encryptStr) throws Exception{
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return StringUtils.isEmpty(encryptStr) ? null : aesDecryptByBytes(base64Decode(encryptStr), SEC_KEY);
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}
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public static void main(String[] args) throws Exception{
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long currentTimeMillis = System.currentTimeMillis();
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System.out.println(AESEncodeUtil.aesDecrypt(Base64Util.decode("ZStZUjRIcFl5SVo4MEhzSU96MldDUEFZa3lmbUhpNTdKMGhCVytIY3NJaz0")));
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/* String content = "{\"create_time\":1573544092110,\"order_serial_no\":\"40280e816db49c0b016db4a2c31f0004\",\"product_code\":\"8a9e80045cf85e54015cf8809fcd\",\"product_name\":\"平安发票贷\",\"uscc\":\"91370781687233838E\"}";
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System.out.println("加密前" + content);
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String encrypt = com.sun.org.apache.xml.internal.security.utils.Base64.encode(aesEncryptToBytes(content, "WdOjUqtRxcBshw"));
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System.out.println("加密后" + encrypt);*/
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/* String decrypt = aesDecryptByBytes(base64Decode("i98CPRG2UI2kRzP9WE6WyF7hQQmZB5nOvc9s8BoISUJlrt59R3TPFiDYI9FNpj3BtKKR8P9JMoTSRP0/lP+SzA=="), "WdOjUqtRxcBshw");
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System.out.println("解密后" + decrypt);
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System.out.println(System.currentTimeMillis() - currentTimeMillis);*/
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}
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}
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