ijwE8tF6

1private static byte[] doThis(String message) {
2    byte[] messageCrypte = null;
3       try {
4        // Certificate Input Stream
5        // LA SSL Certificate to be passed.
6        InputStream inStream = new FileInputStream(certificate);
7
8        // X509Certificate created
9        CertificateFactory cf = CertificateFactory.getInstance("X.509");
10        X509Certificate cert = (X509Certificate) cf.generateCertificate(inStream);
11        inStream.close();
12
13        // Getting Public key using Certficate
14        PublicKey rsaPublicKey = (PublicKey) cert.getPublicKey();
15
16        Cipher encryptCipher = Cipher.getInstance("RSA/ECB/PKCS1Padding", "SunJCE");
17        encryptCipher.init(Cipher.ENCRYPT_MODE, rsaPublicKey);
18
19        byte[] messageACrypter = message.getBytes();
20        // Encrypted String
21        messageCrypte = encryptCipher.doFinal(messageACrypter);
22       } catch (Exception e) {
23        // TODO: Exception Handling
24        e.printStackTrace();
25       }
26    return messageCrypte;
27}
28	
29static byte[] doThis(string message)
30    {
31        X509Certificate cert = new X509Certificate(@"C:Dataabc-rsa-public-key-certificate.cer");
32        byte[] aa = cert.GetPublicKey();
33
34        RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
35        RSAParameters RSAKeyInfo = new RSAParameters();
36        byte[] Exponent = { 1, 0, 1 };
37
38        RSAKeyInfo = RSA.ExportParameters(false);
39        //Set RSAKeyInfo to the public key values. 
40        RSAKeyInfo.Modulus = aa;
41        //RSAKeyInfo.Exponent = Exponent;
42        RSA.ImportParameters(RSAKeyInfo);
43        byte[] bb = RSA.Encrypt(GetBytes(message), false);
44        return bb;
45    }
46	
47private String getDecryptedString(byte[] credentials, PrivateKey secretKey) throws NoSuchAlgorithmException,
48            NoSuchProviderException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException,
49            BadPaddingException {
50        String decryptedString;
51        Cipher decryptCipher = Cipher.getInstance("RSA/ECB/PKCS1Padding", "SunJCE");
52        decryptCipher.init(Cipher.DECRYPT_MODE, secretKey);
53        byte[] messageDecrypte = decryptCipher.doFinal(credentials);
54        decryptedString = new String(messageDecrypte);
55        return decryptedString;
56    }
57	
58public static string EncrypIt(string inputString, X509Certificate2 cert)
59{
60    RSACryptoServiceProvider rsaservice = (RSACryptoServiceProvider)cert.PublicKey.Key;
61    byte[] plaintext = Encoding.UTF8.GetBytes(inputString);
62    byte[] ciphertext = rsaservice.Encrypt(plaintext, false);
63    string cipherresult = Convert.ToBase64String(ciphertext);
64    return cipherresult;                 
65}