AXfA1hS3

1Private Function Decrypt(cipherText As String) As String
2dim _encryptionkey as string = "kmjfds(#1231SDSA()#rt32geswfkjFJDSKFJDSFd"
3        Dim cipherBytes As Byte() = Convert.FromBase64String(cipherText)
4        Using encryptor As Aes = Aes.Create()
5            Dim pdb As New Rfc2898DeriveBytes(_EncryptionKey, New Byte() {&H49, &H76, &H61, &H6E, &H20, &H4D, &H65, &H64, &H76, &H65, &H64, &H65, _
6             &H76})
7            encryptor.Key = pdb.GetBytes(32)
8            encryptor.IV = pdb.GetBytes(16)
9            Using ms As New MemoryStream()
10                Using cs As New CryptoStream(ms, encryptor.CreateDecryptor(), CryptoStreamMode.Write)
11                    cs.Write(cipherBytes, 0, cipherBytes.Length)
12                    cs.Close()
13                End Using
14                cipherText = Encoding.Unicode.GetString(ms.ToArray())
15            End Using
16        End Using
17        Return cipherText
18    End Function
19	
20String myData = "kgxCSfBSw5BRxmjgc4qYhwN12dxG0dyf=";
21        byte[] salt = new byte[] {0x49, 0x76, 0x61, 0x6E, 0x20, 0x4D, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76};
22        String pw  = "kmjfds(#1231SDSA()#rt32geswfkjFJDSKFJDSFd";
23
24        SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
25        PBEKeySpec pbeKeySpec = new PBEKeySpec(pw.toCharArray(), salt, 1000, 384);
26        Key secretKey = factory.generateSecret(pbeKeySpec);
27        byte[] key = new byte[32];
28        byte[] iv = new byte[16];
29        System.arraycopy(secretKey.getEncoded(), 0, key, 0, 32);
30        System.arraycopy(secretKey.getEncoded(), 32, iv, 0, 16);
31
32
33        SecretKeySpec secretSpec = new SecretKeySpec(key, "AES");
34        AlgorithmParameterSpec ivSpec = new IvParameterSpec(iv);
35        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
36        Cipher cipher1 = Cipher.getInstance("AES/CBC/PKCS5Padding");
37
38        try {
39            cipher.init(Cipher.DECRYPT_MODE,secretSpec,ivSpec);
40            cipher1.init(Cipher.ENCRYPT_MODE,secretSpec,ivSpec);
41        } catch (InvalidKeyException e) {
42            // TODO Auto-generated catch block
43            e.printStackTrace();
44        } catch (InvalidAlgorithmParameterException e) {
45            // TODO Auto-generated catch block
46            e.printStackTrace();
47        }
48
49        //byte[] decordedValue;
50        //decordedValue = new BASE64Decoder().decodeBuffer(myData);
51        //decordedValue = myData.getBytes("ISO-8859-1");
52          //byte[] decValue = cipher.doFinal(myData.getBytes());
53        //Base64.getMimeEncoder().encodeToString(cipher.doFinal(myData.getBytes()));
54            //String decryptedValue = new String(decValue);
55        byte[] decodedValue  = new Base64().decode(myData.getBytes());
56
57
58
59          String clearText = "ljfva09876FK";
60
61
62          //String encodedValue  = new Base64().encodeAsString(clearText.getBytes("UTF-16"));
63
64
65
66          byte[] cipherBytes = cipher1.doFinal(clearText.getBytes("UTF-16LE"));
67          //String cipherText = new String(cipherBytes, "UTF8");
68          String encoded = Base64.encodeBase64String(cipherBytes);
69          System.out.println(encoded);
70
71
72            byte[] decValue =    cipher.doFinal(decodedValue);
73
74            System.out.println(new String(decValue, StandardCharsets.UTF_16LE));
75	
76PBEKeySpec pbeKeySpec = new PBEKeySpec(pw.toCharArray(), salt, 1000, 384);
77	
78new String(decValue, StandardCharsets.UTF_16LE)
79	
80String myData = "kgxCSfBSw5BRxmjgc4qYhwN12dxG0=";
81    byte[] salt = new byte[] {0x49, 0x76, 0x61, 0x6E, 0x20, 0x4D, 0x65, 0x64, 0x76, 0x65, 0x64, 0x65, 0x76};
82    String pw  = "kmjfds(#1231SDSA()#rt32geswfkjFJDSKFJDSFd";
83
84    SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
85    PBEKeySpec pbeKeySpec = new PBEKeySpec(pw.toCharArray(), salt, 1000, 384);
86    Key secretKey = factory.generateSecret(pbeKeySpec);
87    byte[] key = new byte[32];
88    byte[] iv = new byte[16];
89    System.arraycopy(secretKey.getEncoded(), 0, key, 0, 32);
90    System.arraycopy(secretKey.getEncoded(), 32, iv, 0, 16);
91
92
93    SecretKeySpec secretSpec = new SecretKeySpec(key, "AES");
94    AlgorithmParameterSpec ivSpec = new IvParameterSpec(iv);
95    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
96    try {
97        cipher.init(Cipher.DECRYPT_MODE,secretSpec,ivSpec);
98    } catch (InvalidKeyException e) {
99        // TODO Auto-generated catch block
100        e.printStackTrace();
101    } catch (InvalidAlgorithmParameterException e) {
102        // TODO Auto-generated catch block
103        e.printStackTrace();
104    }
105
106    //byte[] decordedValue;
107    //decordedValue = new BASE64Decoder().decodeBuffer(myData);
108    //decordedValue = myData.getBytes("ISO-8859-1");
109      //byte[] decValue = cipher.doFinal(myData.getBytes());
110    //Base64.getMimeEncoder().encodeToString(cipher.doFinal(myData.getBytes()));
111        //String decryptedValue = new String(decValue);
112    byte[] decodedValue  = new Base64().decode(myData.getBytes());
113
114
115    byte[] decValue =    cipher.doFinal(decodedValue);
116
117        System.out.println(new String(decValue, StandardCharsets.UTF_16LE));