public void FailWithEmptyData()
{
byte[] key = Encoding.UTF8.GetBytes("12345678901234567890123456789012");
byte[] message = Encoding.UTF8.GetBytes("1234567887654321");
Assert.Throws <ArgumentException>(() => Substitution.Encode(new byte[] { }, message, SBlockTypes.GOST));
Assert.Throws <ArgumentException>(() => Substitution.Encode(key, new byte[] { }, SBlockTypes.GOST));
Assert.Throws <ArgumentException>(() => Substitution.Encode(new byte[] { }, new byte[] { }, SBlockTypes.GOST));
}
public void FailWithNullData()
{
byte[] key = Encoding.UTF8.GetBytes("12345678901234567890123456789012");
byte[] message = Encoding.UTF8.GetBytes("1234567887654321");
Assert.Throws <ArgumentNullException>(() => Substitution.Encode(null, message, SBlockTypes.GOST));
Assert.Throws <ArgumentNullException>(() => Substitution.Encode(key, null, SBlockTypes.GOST));
Assert.Throws <ArgumentNullException>(() => Substitution.Encode((byte[])null, null, SBlockTypes.GOST));
}
public void FailWithNotEqualsSBlocks()
{
var encoded = Substitution.Encode("12345678901234567890123456789012", "1234567887654321", SBlockTypes.CryptoProB);
var decoded = Substitution.Decode("12345678901234567890123456789012", "1234567887654321", SBlockTypes.GOST);
Assert.IsNotNull(encoded);
Assert.IsNotNull(decoded);
Assert.IsNotEmpty(encoded);
Assert.IsNotEmpty(decoded);
Assert.AreNotEqual(decoded, encoded);
}
public void PassWithStrings()
{
var encoded = Substitution.Encode("12345678901234567890123456789012", "1234567887654321", SBlockTypes.GOST);
var decoded = Substitution.Decode("12345678901234567890123456789012", "1234567887654321", SBlockTypes.GOST);
Assert.IsNotNull(encoded);
Assert.IsNotNull(decoded);
Assert.IsNotEmpty(encoded);
Assert.IsNotEmpty(decoded);
Assert.AreEqual(decoded, encoded);
}
public void PassWithBytes()
{
byte[] key = Encoding.UTF8.GetBytes("12345678901234567890123456789012");
byte[] message = Encoding.Default.GetBytes("1234567887654321");
var encoded = Substitution.Encode(key, message, SBlockTypes.GOST);
var decoded = Substitution.Decode(key, message, SBlockTypes.GOST);
Assert.IsNotNull(encoded);
Assert.IsNotNull(decoded);
Assert.IsNotEmpty(encoded);
Assert.IsNotEmpty(decoded);
Assert.AreEqual(decoded, encoded);
}
public ActionResult <string> GetEncrypt(string method, string str, string key)
{
try
{
if (method == "caesar")
{
Caesar caesar = new Caesar();
var result = caesar.Encode(str, key);
if (result.Item2 == true)
{
SaveEncryptItems(method, str, key, result.Item1);
return(result.Item1);
}
}
else if (method == "railfence")
{
RailFence railFence = new RailFence();
var result = railFence.Encode(str, key);
if (result.Item2 == true)
{
SaveEncryptItems(method, str, key, result.Item1);
return(result.Item1);
}
}
else if (method == "affine")
{
Affine affine = new Affine();
var result = affine.Encode(str, key);
if (result.Item2 == true)
{
SaveEncryptItems(method, str, key, result.Item1);
return(result.Item1);
}
}
else if (method == "substitution")
{
Substitution substitution = new Substitution();
var result = substitution.Encode(str, key);
if (result.Item2 == true)
{
SaveEncryptItems(method, str, key, result.Item1);
return(result.Item1);
}
}
}
catch (System.Exception e)
{
return(e.Message);
}
return("No such method!");
}
public void FailWithShortMessage()
{
Assert.Throws <ArgumentException>(() => Substitution.Encode("12345678901234567890123456789", "message", SBlockTypes.GOST));
}
public void FailWithShortKey()
{
Assert.Throws <ArgumentException>(() => Substitution.Encode("12345678901234567890123456789", "1234567887654321", SBlockTypes.GOST));
}