public void TestGetHashFromPaths()
{
string path1 = Path.Combine(Environment.CurrentDirectory, "test1.txt");
File.WriteAllText(path1, dataToTimestamp);
string path2 = Path.Combine(Environment.CurrentDirectory, "test2.txt");
File.WriteAllText(path2, dataToTimestamp2);
string[] paths = { path1, path2 };
TimestampData timestampData = new TimestampData(paths);
byte[] result = timestampData.GetHashedData(HashAlgorithm.SHA1);
byte[][] datas =
{
Encoding.UTF8.GetBytes(dataToTimestamp),
Encoding.UTF8.GetBytes(dataToTimestamp2)
};
System.Security.Cryptography.HashAlgorithm algorithm = new System.Security.Cryptography.SHA1Cng();
for (int i = 0; i < datas.Length - 1; i++)
{
algorithm.TransformBlock(datas[i], 0, datas[i].Length, datas[i], 0);
}
algorithm.TransformFinalBlock(datas[datas.Length - 1], 0, datas[datas.Length - 1].Length);
byte[] expectedResult = algorithm.Hash;
Assert.IsTrue(result.SequenceEqual(expectedResult));
}
public void TestGetHashFromByteArraysWrongOrder()
{
byte[][] datas =
{
Encoding.UTF8.GetBytes(dataToTimestamp),
Encoding.UTF8.GetBytes(dataToTimestamp2)
};
TimestampData timestampData = new TimestampData(datas);
byte[] result = timestampData.GetHashedData(HashAlgorithm.SHA1);
System.Security.Cryptography.HashAlgorithm algorithm = new System.Security.Cryptography.SHA1Cng();
for (int i = datas.Length - 1; i >= 1; i--)
{
algorithm.TransformBlock(datas[i], 0, datas[i].Length, datas[i], 0);
}
algorithm.TransformFinalBlock(datas[0], 0, datas[0].Length);
byte[] expectedResult = algorithm.Hash;;
Assert.IsFalse(result.SequenceEqual(expectedResult));
}