如何查看Navicat已保存数据库连接的密码?

电玩女神 2024-03-04 07:31 28阅读 0赞

package com.example.card.util;
    
    import javax.crypto.Cipher;
    import javax.crypto.spec.IvParameterSpec;
    import javax.crypto.spec.SecretKeySpec;
    import javax.xml.bind.DatatypeConverter;
    import java.nio.charset.StandardCharsets;
    import java.security.MessageDigest;
    import java.util.Arrays;
    
    public class NavicateMain {
    	public static void main(String []args) {
            //navicat11解密
    //        Navicat11Cipher de = new Navicat11Cipher();
    //        System.out.println(de.decryptString("15057D7BA390"));
            //navicat12+解密
            Navicat12Cipher de12 = new Navicat12Cipher();
            System.out.println(de12.decryptString("503AA930968F877F04770B47DD731DC0"));//root
            System.out.println(de12.decryptString("503AA930968F877F04770B47DD731DC0"));//root
    
            System.out.println(de12.decryptString("503AA930968F877F04770B47DD731DC0"));//root
            System.out.println();
        }
        static class Navicat11Cipher {
            public static final String DefaultUserKey = "3DC5CA39";
            private static byte[] _IV;
    
            private static SecretKeySpec _Key;
            private static Cipher _Encryptor;
            private static Cipher _Decryptor;
    
            private static void initKey(String UserKey) {
                try {
                    MessageDigest sha1 = MessageDigest.getInstance("SHA1");
                    byte[] userkey_data = UserKey.getBytes(StandardCharsets.UTF_8);
                    sha1.update(userkey_data, 0, userkey_data.length);
                    _Key = new SecretKeySpec(sha1.digest(), "Blowfish");
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
    
            private static void initChiperEncrypt() {
                try {
                    // Must use NoPadding
                    _Encryptor = Cipher.getInstance("Blowfish/ECB/NoPadding");
                    _Encryptor.init(Cipher.ENCRYPT_MODE, _Key);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
    
            private static void initChiperDecrypt() {
                try {
                    // Must use NoPadding
                    _Decryptor = Cipher.getInstance("Blowfish/ECB/NoPadding");
                    _Decryptor.init(Cipher.DECRYPT_MODE, _Key);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
    
            private static void initIV() {
                try {
                    byte[] initVec = DatatypeConverter.parseHexBinary("FFFFFFFFFFFFFFFF");
                    _IV = _Encryptor.doFinal(initVec);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
    
            private void xorBytes(byte[] a, byte[] b) {
                for (int i = 0; i < a.length; i++) {
                    int aVal = a[i] & 0xff; // convert byte to integer
                    int bVal = b[i] & 0xff;
                    a[i] = (byte) (aVal ^ bVal); // xor aVal and bVal and typecast to byte
                }
            }
    
            private void xorBytes(byte[] a, byte[] b, int l) {
                for (int i = 0; i < l; i++) {
                    int aVal = a[i] & 0xff; // convert byte to integer
                    int bVal = b[i] & 0xff;
                    a[i] = (byte) (aVal ^ bVal); // xor aVal and bVal and typecast to byte
                }
            }
    
            static {
                initKey(DefaultUserKey);
                initChiperEncrypt();
                initChiperDecrypt();
                initIV();
            }
    
            private byte[] Encrypt(byte[] inData) {
                try {
                    byte[] CV = Arrays.copyOf(_IV, _IV.length);
                    byte[] ret = new byte[inData.length];
    
                    int blocks_len = inData.length / 8;
                    int left_len = inData.length % 8;
    
                    for (int i = 0; i < blocks_len; i++) {
                        byte[] temp = Arrays.copyOfRange(inData, i * 8, (i * 8) + 8);
    
                        xorBytes(temp, CV);
                        temp = _Encryptor.doFinal(temp);
                        xorBytes(CV, temp);
    
                        System.arraycopy(temp, 0, ret, i * 8, 8);
                    }
    
                    if (left_len != 0) {
                        CV = _Encryptor.doFinal(CV);
                        byte[] temp = Arrays.copyOfRange(inData, blocks_len * 8, (blocks_len * 8) + left_len);
                        xorBytes(temp, CV, left_len);
                        System.arraycopy(temp, 0, ret, blocks_len * 8, temp.length);
                    }
    
                    return ret;
                } catch (Exception e) {
                    e.printStackTrace();
                    return null;
                }
            }
    
            public String encryptString(String inputString) {
                try {
                    byte[] inData = inputString.getBytes(StandardCharsets.UTF_8);
                    byte[] outData = Encrypt(inData);
                    return DatatypeConverter.printHexBinary(outData);
                } catch (Exception e) {
                    e.printStackTrace();
                    return "";
                }
            }
    
            private byte[] Decrypt(byte[] inData) {
                try {
                    byte[] CV = Arrays.copyOf(_IV, _IV.length);
                    byte[] ret = new byte[inData.length];
    
                    int blocks_len = inData.length / 8;
                    int left_len = inData.length % 8;
    
                    for (int i = 0; i < blocks_len; i++) {
                        byte[] temp = Arrays.copyOfRange(inData, i * 8, (i * 8) + 8);
    
                        temp = _Decryptor.doFinal(temp);
                        xorBytes(temp, CV);
                        System.arraycopy(temp, 0, ret, i * 8, 8);
                        for (int j = 0; j < CV.length; j++) {
                            CV[j] = (byte) (CV[j] ^ inData[i * 8 + j]);
                        }
                    }
    
                    if (left_len != 0) {
                        CV = _Encryptor.doFinal(CV);
                        byte[] temp = Arrays.copyOfRange(inData, blocks_len * 8, (blocks_len * 8) + left_len);
    
                        xorBytes(temp, CV, left_len);
                        for (int j = 0; j < temp.length; j++) {
                            ret[blocks_len * 8 + j] = temp[j];
                        }
                    }
    
                    return ret;
                } catch (Exception e) {
                    e.printStackTrace();
                    return null;
                }
            }
    
            public String decryptString(String hexString) {
                try {
                    byte[] inData = DatatypeConverter.parseHexBinary(hexString);
                    byte[] outData = Decrypt(inData);
                    return new String(outData, StandardCharsets.UTF_8);
                } catch (Exception e) {
                    e.printStackTrace();
                    return "";
                }
            }
        }
        static class Navicat12Cipher {
            private static SecretKeySpec _AesKey;
            private static IvParameterSpec _AesIV;
    
            static {
                _AesKey = new SecretKeySpec("libcckeylibcckey".getBytes(StandardCharsets.UTF_8), "AES");
                _AesIV = new IvParameterSpec("libcciv libcciv ".getBytes(StandardCharsets.UTF_8));
            }
    
            public String encryptString(String plaintext) {
                try {
                    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
                    cipher.init(Cipher.ENCRYPT_MODE, _AesKey, _AesIV);
                    byte[] ret = cipher.doFinal(plaintext.getBytes(StandardCharsets.UTF_8));
                    return DatatypeConverter.printHexBinary(ret);
                } catch (Exception e) {
                    e.printStackTrace();
                    return "";
                }
            }
    
            public String decryptString(String ciphertext) {
                try {
                    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
                    cipher.init(Cipher.DECRYPT_MODE, _AesKey, _AesIV);
                    byte[] ret = cipher.doFinal(DatatypeConverter.parseHexBinary(ciphertext));
                    return new String(ret, StandardCharsets.UTF_8);
                } catch (Exception e) {
                    e.printStackTrace();
                    return "";
                }
            }
        }
    }

[https://www.cnblogs.com/geek233/p/16772618.html][https_www.cnblogs.com_geek233_p_16772618.html]

[navicat 如何查看已经连接了的数据库账号和密码\_12992884的技术博客\_51CTO博客][navicat _12992884_51CTO]

[如何查看Navicat已保存数据库连接的密码?\_查看navicat保存的密码\_木芒果呀的博客-CSDN博客][Navicat_navicat_-CSDN]

[Java8在线运行,代码编译测试 - 在线编译器(nhooo.com)][Java8_ - _nhooo.com]

[https_www.cnblogs.com_geek233_p_16772618.html]: https://www.cnblogs.com/geek233/p/16772618.html
[navicat _12992884_51CTO]: https://blog.51cto.com/u_13002884/5894541
[Navicat_navicat_-CSDN]: https://blog.csdn.net/m0_63823719/article/details/131475110
[Java8_ - _nhooo.com]: https://www.nhooo.com/tool/java8/