public void Test(KeyIvModel model)
{
//Test(model.IV);
AesKrypto aes = new AesKrypto(System.Security.Cryptography.CipherMode.CBC, System.Security.Cryptography.PaddingMode.None, 256);
byte[] IV = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
byte[] IV2 = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
byte[] key = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
byte[] text = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
byte[] text2 = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
//model.IV = IV;
//model.Key = key;
var c1 = aes.EncryptToByte(text, model);
var p1 = aes.DecryptFromByte(c1, model);
AddOne(model.IV);
var c2 = aes.EncryptToByte(text2, model);
var p2 = aes.DecryptFromByte(c2, model);
for (int i = 0; i < c1.Length; i++)
{
Console.Out.WriteLine($"{c1[i]}\t{c2[i]}\t{(byte)(c1[i] ^ c2[i])}");
}
}
public void OFB()
{
AesKrypto aes = new AesKrypto(System.Security.Cryptography.CipherMode.OFB);
var x = aes.Encrypt(_test, new KeyIvModel {
Key = _Key, IV = _Iv
});
var result = aes.Decrypt(x, new KeyIvModel {
Key = _Key, IV = _Iv
});
Assert.AreEqual(result, _test);
}
public static void L1()
{
KeyStore test = new KeyStore();
test.LoadKeys("siemanko");
test.GetKey(0);
AesKrypto aesKrypto = new AesKrypto();
aesKrypto.Encrypt("nowy.txt", "nowy.kz", test.GetKey(0));
aesKrypto.Decrypt("nowy.kz", "nowy1.txt", test.GetKey(0));
}
public bool LoadKeys(string password)
{
if (_password != password)
{
return(false);
}
string file;
using (StreamReader sr = new StreamReader(_keyStore))
file = sr.ReadToEnd();
AesKrypto aes = new AesKrypto();
file = aes.Decrypt(file, new KeyIvModel {
Key = _Key, IV = _Iv
});
var jsonserialize = new JavaScriptSerializer();
_keys = jsonserialize.Deserialize <List <KeyIvModel> >(file);
return(true);
}
public KeyStore(string password, string keyStore)
{
_password = password;
_keyStore = keyStore;
if (!File.Exists(keyStore))
{
var jsonSerializer = new JavaScriptSerializer();
var json = jsonSerializer.Serialize(GenerateKeyIvList());
var aes = new AesKrypto();
var file = aes.Encrypt(json, new KeyIvModel {
Key = _Key, IV = _Iv
});
try
{
using (StreamWriter sr = new StreamWriter(keyStore))
sr.Write(file);
}catch (Exception e)
{
throw e;
}
}
}
public void Exe2(KeyIvModel model)
{
AesKrypto aes = new AesKrypto(System.Security.Cryptography.CipherMode.CBC, System.Security.Cryptography.PaddingMode.None, 256);
var rand = new Random();
byte[] text = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
byte[] iv = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
byte[] text2 = new byte[] { 13, 65, 123, 98, 8, 4, 65, 15, 32, 47, 98, 14, 200, 10, 0, 128 };
byte[] newcipher2;
model.IV = iv;
var newcipher1 = aes.EncryptToByte(text, model);
//for (int i = 0; i < 100; i++)
//{
// AddOne(text);
// AddOne(model.IV);
// var temp = aes.EncryptToByte(text, model);
// if (!Check(newcipher1, temp))
// {
// for (int j = 0; j < temp.Length; j++)
// {
// Console.Out.WriteLine($"{newcipher1[j]}\t{temp[j]}\t{(byte)(newcipher1[j] ^ temp[j])}");
// }
// Console.Out.WriteLine();
// }
//}
do
{
AddOne(text);
AddOne(model.IV);
AddOne(text2);
newcipher2 = rand.NextDouble() <= 0.5 ? aes.EncryptToByte(text, model) : aes.EncryptToByte(text2, model);
} while (Check(newcipher1, newcipher2));
do
{
AddOne(text);
AddOne(model.IV);
var ncipher = rand.NextDouble() <= 0.5 ? aes.EncryptToByte(text, model) : aes.EncryptToByte(text2, model);
if (Check(newcipher1, ncipher))
{
Console.Out.WriteLine("pierwszy");
break;
}
else if (Check(newcipher2, ncipher))
{
Console.Out.WriteLine("pierwszy");
newcipher1 = newcipher2;
break;
}
else
{
Console.Out.WriteLine("drugi");
}
} while (true);
for (int i = 0; i < 100; i++)
{
AddOne(text);
AddOne(model.IV);
byte[] newcipher;
if (rand.NextDouble() <= 0.5)
{
newcipher = aes.EncryptToByte(text, model);
}
else
{
newcipher = aes.EncryptToByte(text2, model);
}
if (Check(newcipher1, newcipher))
{
Console.Out.WriteLine("pierwszy");
}
else
{
Console.Out.WriteLine("drugi");
}
}
}
