public void GetSymmetricAlgorithmAES ()
{
byte [] bytes = new byte [32];
Key key = new Key (bytes);
SymmetricAlgorithm alg = key.GetSymmetricAlgorithm (
SecurityAlgorithms.Aes128Encryption);
Assert.AreEqual (256, alg.KeySize, "#1-1");
Assert.AreEqual (CipherMode.CBC, alg.Mode, "#1-2");
Assert.AreEqual (PaddingMode.PKCS7, alg.Padding, "#1-3");
alg = key.GetSymmetricAlgorithm (SecurityAlgorithms.Aes192Encryption);
Assert.AreEqual (256, alg.KeySize, "#2-1");
Assert.AreEqual (CipherMode.CBC, alg.Mode, "#2-2");
Assert.AreEqual (PaddingMode.PKCS7, alg.Padding, "#2-3");
alg = key.GetSymmetricAlgorithm (SecurityAlgorithms.Aes256Encryption);
Assert.AreEqual (256, alg.KeySize, "#3-1");
Assert.AreEqual (CipherMode.CBC, alg.Mode, "#3-2");
Assert.AreEqual (PaddingMode.PKCS7, alg.Padding, "#3-3");
alg = key.GetSymmetricAlgorithm (SecurityAlgorithms.Aes128KeyWrap);
Assert.IsTrue (alg is AES, "#4");
alg = key.GetSymmetricAlgorithm (SecurityAlgorithms.Aes192KeyWrap);
Assert.IsTrue (alg is AES, "#5");
alg = key.GetSymmetricAlgorithm (SecurityAlgorithms.Aes256KeyWrap);
Assert.IsTrue (alg is AES, "#6");
//alg = key.GetSymmetricAlgorithm (SecurityAlgorithms.TripleDesKeyWrap);
//Assert.IsTrue (alg is TripleDES, "#7");
}
public void GetSymmetricAlgorithm3VulnerableTDESEnc()
{
byte [] bytes = new byte [24];
Key key = new Key(bytes);
// strange, TripleDesEncryption works with 32bytes key,
// but TripleDesKeyWrap doesn't.
key.GetSymmetricAlgorithm(SecurityAlgorithms.TripleDesEncryption);
}
// no error???
public void GetSymmetricAlgorithmWrongSize2()
{
AES aes = new AES();
aes.KeySize = 192;
aes.GenerateKey();
Key key = new Key(aes.Key);
Assert.IsNotNull(key.GetSymmetricAlgorithm(SecurityAlgorithms.Aes256Encryption));
}
public void GetSymmetricAlgorithmAES()
{
byte [] bytes = new byte [32];
Key key = new Key(bytes);
SymmetricAlgorithm alg = key.GetSymmetricAlgorithm(
SecurityAlgorithms.Aes128Encryption);
Assert.AreEqual(256, alg.KeySize, "#1-1");
Assert.AreEqual(CipherMode.CBC, alg.Mode, "#1-2");
Assert.AreEqual(PaddingMode.PKCS7, alg.Padding, "#1-3");
alg = key.GetSymmetricAlgorithm(SecurityAlgorithms.Aes192Encryption);
Assert.AreEqual(256, alg.KeySize, "#2-1");
Assert.AreEqual(CipherMode.CBC, alg.Mode, "#2-2");
Assert.AreEqual(PaddingMode.PKCS7, alg.Padding, "#2-3");
alg = key.GetSymmetricAlgorithm(SecurityAlgorithms.Aes256Encryption);
Assert.AreEqual(256, alg.KeySize, "#3-1");
Assert.AreEqual(CipherMode.CBC, alg.Mode, "#3-2");
Assert.AreEqual(PaddingMode.PKCS7, alg.Padding, "#3-3");
alg = key.GetSymmetricAlgorithm(SecurityAlgorithms.Aes128KeyWrap);
Assert.IsTrue(alg is AES, "#4");
alg = key.GetSymmetricAlgorithm(SecurityAlgorithms.Aes192KeyWrap);
Assert.IsTrue(alg is AES, "#5");
alg = key.GetSymmetricAlgorithm(SecurityAlgorithms.Aes256KeyWrap);
Assert.IsTrue(alg is AES, "#6");
//alg = key.GetSymmetricAlgorithm (SecurityAlgorithms.TripleDesKeyWrap);
//Assert.IsTrue (alg is TripleDES, "#7");
}
public void GetSymmetricAlgorithmWrongSizeDES()
{
Key key = new Key(new byte [32]);
Assert.IsNotNull(key.GetSymmetricAlgorithm(SecurityAlgorithms.TripleDesKeyWrap));
}
// hmm, no error
public void GetSymmetricAlgorithmWrongSize()
{
Key key = new Key(new byte [32]);
Assert.IsNotNull(key.GetSymmetricAlgorithm(SecurityAlgorithms.Aes192Encryption));
}
public void GetSymmetricAlgorithmNullKey()
{
Key key = new Key(raw);
Assert.IsNotNull(key.GetSymmetricAlgorithm(SecurityAlgorithms.Aes192Encryption));
}
public void GetSymmetricAlgorithm3VulnerableTDESEnc ()
{
byte [] bytes = new byte [24];
Key key = new Key (bytes);
// strange, TripleDesEncryption works with 32bytes key,
// but TripleDesKeyWrap doesn't.
key.GetSymmetricAlgorithm (SecurityAlgorithms.TripleDesEncryption);
}
// no error???
public void GetSymmetricAlgorithmWrongSize2 ()
{
AES aes = new AES ();
aes.KeySize = 192;
aes.GenerateKey ();
Key key = new Key (aes.Key);
Assert.IsNotNull (key.GetSymmetricAlgorithm (SecurityAlgorithms.Aes256Encryption));
}
public void GetSymmetricAlgorithmWrongSizeDES ()
{
Key key = new Key (new byte [32]);
Assert.IsNotNull (key.GetSymmetricAlgorithm (SecurityAlgorithms.TripleDesKeyWrap));
}
// hmm, no error
public void GetSymmetricAlgorithmWrongSize ()
{
Key key = new Key (new byte [32]);
Assert.IsNotNull (key.GetSymmetricAlgorithm (SecurityAlgorithms.Aes192Encryption));
}
public void GetSymmetricAlgorithmNullKey ()
{
Key key = new Key (raw);
Assert.IsNotNull (key.GetSymmetricAlgorithm (SecurityAlgorithms.Aes192Encryption));
}
