public void Base64ToHex04()
{
for (int i = 0; i <= 100; i++)
{
string input = TestInfrastructure.GetRandomString(TestInfrastructure.RandomGen.Next(15, 1000));
string s = Methods.Base64ToHex(Convert.ToBase64String(Encoding.ASCII.GetBytes(input)));
string reverse = Encoding.ASCII.GetString(Methods.HexStringToByteArray(s));
Assert.AreEqual <string>(input, reverse);
}
}
public void TestSignAndVerify()
{
for (int i = 0; i < 100; i++)
{
RSA rSA;
rSA = new RSA();
string data = TestInfrastructure.GetRandomString(TestInfrastructure.RandomGen.Next(1, 1000));
Encoding enc = Encoding.Unicode;
byte[] signature = rSA.SignData(enc.GetBytes(data), rSA.GetPrivateKey());
byte[] mod = Methods.HexStringToByteArray(Methods.ExtractPublicKey(rSA.GetPublicKey()));
byte[] exp = Methods.HexStringToByteArray(Methods.ExtractExponent(rSA.GetPublicKey()));
rSA.VerifyData(enc.GetBytes(data), signature, mod, exp);
}
}
public void CompressedArrayStringHexStringLengthComparison()
{
for (int k = 0; k < 100; k++)
{
// generate the random string and corresponding byte array
string input = TestInfrastructure.GetRandomString(TestInfrastructure.RandomGen.Next(2, 100));
byte[] bs = new byte[input.Length];
for (int i = 0; i < input.Length; i++)
{
bs[i] = (byte)input[i];
}
// encode the byte array both as compressed string and hex string
string compressedStr = Methods.ByteArrayToCompressedArrayString(bs);
string hexStr = Methods.ByteArrayToHexString(bs);
Assert.IsTrue(compressedStr.Length <= hexStr.Length);
}
}
public void ByteArrayToCompressedArrayStringRandom()
{
for (int k = 0; k < 100; k++)
{
string input = TestInfrastructure.GetRandomString(TestInfrastructure.RandomGen.Next(2, 100));
byte[] bs = new byte[input.Length];
for (int i = 0; i < input.Length; i++)
{
bs[i] = (byte)input[i];
}
string step1 = Methods.ByteArrayToCompressedArrayString(bs);
byte[] bs2 = Methods.CompressedArrayStringToByteArray(step1, input.Length);
string step2 = String.Empty;
for (int i = 0; i < bs2.Length; i++)
{
step2 += (char)bs2[i];
}
Assert.AreEqual <string>(input, step2);
}
}
