public SignatureStream(Stream inputStream, SignatureJobSettings settings)
{
this.inputStream = inputStream;
inputReader = new BinaryReader(inputStream);
this.settings = settings;
InitializeHeader();
currentPosition = 0L;
}
public SignatureStream(Stream inputStream, SignatureJobSettings settings)
{
this.inputStream = inputStream;
this.inputReader = new BinaryReader(inputStream);
this.settings = settings;
// initialize the buffer with the header
this.InitializeHeader();
this.currentPosition = 0;
}
public SignatureStream(Stream inputStream, SignatureJobSettings settings)
{
this.inputStream = inputStream;
this.inputReader = new BinaryReader(inputStream);
this.settings = settings;
// initialize the buffer with the header
this.InitializeHeader();
this.currentPosition = 0;
}
public static void WriteBlock(BinaryWriter s, byte[] block, SignatureJobSettings settings)
{
int num = CalculateWeakSum(block);
if (settings.MagicNumber != MagicNumber.Blake2Signature)
{
throw new NotImplementedException("Non-blake2 hashes aren't supported");
}
byte[] buffer = CalculateBlake2StrongSum(block);
StreamHelpers.WriteBigEndian(s, (ulong)num);
s.Write(buffer, 0, settings.StrongSumLength);
}
public static void WriteBlock(BinaryWriter s, byte[] block, SignatureJobSettings settings)
{
int weakSum = CalculateWeakSum(block);
byte[] strongSum;
if (settings.MagicNumber == MagicNumber.Blake2Signature)
{
strongSum = CalculateBlake2StrongSum(block);
}
else
{
throw new NotImplementedException("Non-blake2 hashes aren't supported");
}
StreamHelpers.WriteBigEndian(s, (ulong)weakSum, bytes: 4);
s.Write(strongSum, 0, settings.StrongSumLength);
}
public static Stream ComputeSignature(Stream inputFile, SignatureJobSettings settings)
{
return new SignatureStream(inputFile, settings);
}
public static void WriteHeader(BinaryWriter s, SignatureJobSettings settings)
{
StreamHelpers.WriteBigEndian(s, (uint)settings.MagicNumber);
StreamHelpers.WriteBigEndian(s, (uint)settings.BlockLength);
StreamHelpers.WriteBigEndian(s, (uint)settings.StrongSumLength);
}
public static Stream ComputeSignature(Stream inputFile, SignatureJobSettings settings)
{
return(new SignatureStream(inputFile, settings));
}
public static void WriteHeader(BinaryWriter s, SignatureJobSettings settings)
{
StreamHelpers.WriteBigEndian(s, (uint)settings.MagicNumber);
StreamHelpers.WriteBigEndian(s, (uint)settings.BlockLength);
StreamHelpers.WriteBigEndian(s, (uint)settings.StrongSumLength);
}
