public void FIPS186_b(string testName, SHA384 hash, byte[] input, byte[] result)
{
byte[] output = hash.ComputeHash(input, 0, input.Length);
Assert.AreEqual(result, output, testName + ".b.1");
Assert.AreEqual(result, hash.Hash, testName + ".b.2");
// required or next operation will still return old hash
hash.Initialize();
}
public void FIPS186_d(string testName, SHA384 hash, byte[] input, byte[] result)
{
byte[] output = hash.TransformFinalBlock(input, 0, input.Length);
// LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
// AssertEquals( testName + ".d.1", result, output );
Assert.IsNotNull(output, testName + ".d.1");
Assert.AreEqual(result, hash.Hash, testName + ".d.2");
// required or next operation will still return old hash
hash.Initialize();
}
public void FIPS186_c(string testName, SHA384 hash, byte[] input, byte[] result)
{
MemoryStream ms = new MemoryStream(input);
byte[] output = hash.ComputeHash(ms);
Assert.AreEqual(result, output, testName + ".c.1");
Assert.AreEqual(result, hash.Hash, testName + ".c.2");
// required or next operation will still return old hash
hash.Initialize();
}
public static string HashExecutable(string path)
{
WindowsBinaryData r = ExecutableParser(path);
byte[] selfHash;
int checkSumIndex = r.checkSumPos;
int tableIndex = r.CertificateTableSizePos - 4;
int endIndex = 0;
if (r.CertificateTableAddress != 0)
{
endIndex = r.CertificateTableAddress;
}
if (endIndex == 0)
{
// Hash the entire file except the .msh at the end if .msh is present
int mshLen = GetMshLengthFromExecutable(path);
if (mshLen > 0)
{
mshLen += 20;
}
using (SHA384 sha384 = SHA384Managed.Create())
{
sha384.Initialize();
using (FileStream stream = File.OpenRead(path))
{
hashPortionOfStream(sha384, stream, 0, (int)stream.Length - mshLen); // Start --> end - (mshLen + 20)
sha384.TransformFinalBlock(new byte[0], 0, 0);
selfHash = sha384.Hash;
}
}
return(BitConverter.ToString(selfHash).Replace("-", string.Empty).ToLower());
}
using (SHA384 sha384 = SHA384Managed.Create())
{
sha384.Initialize();
using (FileStream stream = File.OpenRead(path))
{
hashPortionOfStream(sha384, stream, 0, checkSumIndex); // Start --> checkSumIndex
sha384.TransformBlock(new byte[4], 0, 4, null, 0); // 4 zero bytes
hashPortionOfStream(sha384, stream, checkSumIndex + 4, tableIndex); // checkSumIndex + 4 --> tableIndex
sha384.TransformBlock(new byte[8], 0, 8, null, 0); // 8 zero bytes
hashPortionOfStream(sha384, stream, tableIndex + 8, endIndex); // tableIndex + 8 --> endIndex
sha384.TransformFinalBlock(new byte[0], 0, 0);
selfHash = sha384.Hash;
}
}
return(BitConverter.ToString(selfHash).Replace("-", string.Empty).ToLower());
}
public void FIPS186_e(string testName, SHA384 hash, byte[] input, byte[] result)
{
byte[] copy = new byte [input.Length];
for (int i = 0; i < input.Length - 1; i++)
{
hash.TransformBlock(input, i, 1, copy, i);
}
byte[] output = hash.TransformFinalBlock(input, input.Length - 1, 1);
// LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
// AssertEquals (testName + ".e.1", result, output);
Assert.IsNotNull(output, testName + ".e.1");
Assert.AreEqual(result, hash.Hash, testName + ".e.2");
// required or next operation will still return old hash
hash.Initialize();
}
public override void Initialize()
{
hash.Initialize();
}
public SHA384Hash()
{
_sha384 = SHA384.Create();
_sha384.Initialize();
}
public override void Initialize()
{
_implementation.Initialize();
}