// // Source code recreated from a .class file by IntelliJ IDEA // (powered by FernFlower decompiler) // package org.example; import javax.crypto.Cipher; import javax.crypto.SecretKey; import javax.crypto.spec.SecretKeySpec; import java.nio.charset.Charset; import java.util.Base64; public class SecurityUtil { private static final String ALGORITHM_3DES = "DESede"; public static final Charset DEFAULT_CHARSET = Charset.forName("UTF-8"); public SecurityUtil() { } public static byte[] encrypt3DES(String encryptPassword, byte[] encryptByte) { try { Cipher cipher = init3DES(encryptPassword, 1); byte[] doFinal = cipher.doFinal(encryptByte); return doFinal; } catch (Exception var4) { return null; } } public static String encrypt3DES(String encryptPassword, String encryptStr) { try { Cipher cipher = init3DES(encryptPassword, 1); byte[] enBytes = cipher.doFinal(encryptStr.getBytes(DEFAULT_CHARSET)); return Base64.getEncoder().encodeToString(enBytes); } catch (Exception var4) { return null; } } public static byte[] decrypt3DES(String decryptPassword, byte[] decryptByte) { try { Cipher cipher = init3DES(decryptPassword, 2); byte[] doFinal = cipher.doFinal(decryptByte); return doFinal; } catch (Exception var4) { return null; } } public static String decrypt3DES(String decryptPassword, String decryptString) { try { Cipher cipher = init3DES(decryptPassword, 2); byte[] deBytes = cipher.doFinal(Base64.getDecoder().decode(decryptString)); return new String(deBytes, DEFAULT_CHARSET); } catch (Exception var4) { return null; } } private static Cipher init3DES(String decryptPassword, int cipherMode) throws Exception { SecretKey deskey = new SecretKeySpec(decryptPassword.getBytes(), "DESede"); Cipher cipher = Cipher.getInstance("DESede"); cipher.init(cipherMode, deskey); return cipher; } }