/// <summary>
/// Run the application.
/// </summary>
public override BoolMessageItem Execute()
{
// 1. Encrypt using default provider. ( Symmetric TripleDes )
string plainText = "www.knowledgedrink.com";
string encrypted = Crypto.Encrypt(plainText);
string decrypted = Crypto.Decrypt(encrypted);
Console.WriteLine("====================================================");
Console.WriteLine("CRYPTOGRAPHY ");
Console.WriteLine("Encrypted : " + plainText + " to " + encrypted);
Console.WriteLine("Decrypted : " + encrypted + " to " + decrypted);
Console.WriteLine(Environment.NewLine);
// 2. Use non-static encryption provider.
ICrypto crypto = new CryptoHash("commonlib.net", new MD5CryptoServiceProvider());
string hashed = crypto.Encrypt("my baby - 2002 honda accord ex coupe");
Console.WriteLine(hashed);
// 3. Change the crypto provider on the static helper.
ICrypto crypto2 = new CryptoSym("new key", new TripleDESCryptoServiceProvider());
Crypto.Init(crypto2);
string encryptedWithNewKey = Crypto.Encrypt("www.knowledgedrink.com");
Console.WriteLine(string.Format("Encrypted text : using old key - {0}, using new key - {1}", encrypted, encryptedWithNewKey));
return(BoolMessageItem.True);
}
public void CanEncryptSymmetricTripleDes()
{
ICrypto crypto = new CryptoSym("commonlib.net", new TripleDESCryptoServiceProvider());
string encrypted = crypto.Encrypt("horizonguy");
Assert.AreNotEqual("horizonguy", encrypted);
}
public void CanDecryptSymmetricTripleDes()
{
string encrypted = "OTrZQMzbEM2QTfH7vJyaDg==";
ICrypto crypto = new CryptoSym("commonlib.net", new TripleDESCryptoServiceProvider());
string decrypted = crypto.Decrypt(encrypted);
Assert.AreEqual("horizonguy", decrypted);
}
public void IsEncryptSymmetricTripleDesDifferentByInput()
{
ICrypto crypto = new CryptoSym("commonlib.net", new TripleDESCryptoServiceProvider());
string encrypted = crypto.Encrypt("horizonguy");
string encrypted2 = crypto.Encrypt("bourneIdentity");
Assert.AreNotEqual("horizonguy", encrypted);
Assert.AreNotEqual(encrypted, encrypted2);
}
public void CanEncryptWithSpecialCharsTripleDes()
{
string plainText = "~`!@#$%^&*()_+{}|:\"<>?[]\\,./;'-=";
ICrypto crypto = new CryptoSym("commonlib.net", new TripleDESCryptoServiceProvider());
string encrypted = crypto.Encrypt(plainText);
Assert.AreNotEqual(plainText, encrypted);
// Now decrypt.
string decrypted = crypto.Decrypt(encrypted);
Assert.AreEqual("~`!@#$%^&*()_+{}|:\"<>?[]\\,./;'-=", decrypted);
}
/// <summary>
/// Run the application.
/// </summary>
public override BoolMessageItem Execute()
{
//<doc:example>
// 1. Encrypt using default provider. ( Symmetric TripleDes )
string plainText = "www.knowledgedrink.com";
string encrypted = Crypto.Encrypt(plainText);
string decrypted = Crypto.Decrypt(encrypted);
Console.WriteLine("====================================================");
Console.WriteLine("CRYPTOGRAPHY ");
Console.WriteLine("Encrypted : " + plainText + " to " + encrypted);
Console.WriteLine("Decrypted : " + encrypted + " to " + decrypted);
Console.WriteLine(Environment.NewLine);
// 2. Use non-static encryption provider.
ICrypto crypto = new CryptoHash("commonlib.net", new MD5CryptoServiceProvider());
string hashed = crypto.Encrypt("my baby - 2002 honda accord ex coupe");
Console.WriteLine(hashed);
// 3. Change the crypto provider on the static helper.
ICrypto crypto2 = new CryptoSym("new key", new TripleDESCryptoServiceProvider());
Crypto.Init(crypto2);
string encryptedWithNewKey = Crypto.Encrypt("www.knowledgedrink.com");
Console.WriteLine(string.Format("Encrypted text : using old key - {0}, using new key - {1}", encrypted, encryptedWithNewKey));
// 4. Generate the check value of a 3DES key by encrypting 16 hexadecimal zeroes.
DESKey randomKey = new DESKey(DesKeyType.TripleLength);
string keyCheckValue = ComLib.Cryptography.DES.TripleDES.Encrypt(randomKey, "0000000000000000");
Console.WriteLine(string.Format("3DES key: {0} with check value {1}", randomKey.ToString(), keyCheckValue));
//</doc:example>
return(BoolMessageItem.True);
}
