public static void Unpack(this Unpacker unpacker, bool isPrivateKey, out Key key)
{
var keyType = (KeyTypes)unpacker.UnpackByte();
unpacker.Position--;
var keySize = Key.GetKeyBytes(keyType, isPrivateKey, true);
unpacker.Unpack(out byte[] keyData, keySize);
key = Key.Restore(new ArraySegment <byte>(keyData));
}
public static void Unpack(this Unpacker unpacker, out Hash hash)
{
var hashType = (HashTypes)unpacker.UnpackByte();
unpacker.Position--;
var hashSize = Hash.GetHashBytes(hashType, true);
unpacker.Unpack(out byte[] hashData, hashSize);
hash = Hash.Restore(new ArraySegment <byte>(hashData));
}
public static void Unpack(this Unpacker unpacker, out Signature signature)
{
var keyType = (KeyTypes)unpacker.UnpackByte();
unpacker.Position--;
var signatureSize = Signature.GetSignatureBytes(keyType, true);
unpacker.Unpack(out byte[] sigData, signatureSize);
signature = Signature.Restore(new ArraySegment <byte>(sigData));
}
public static (Hash, Signature) GetHashAndSignature(this Unpacker unpacker, int dataOffset, int dataSize)
{
var signatureKeyType = (KeyTypes)unpacker.UnpackByte();
unpacker.Position--;
var signatureSize = Signature.GetSignatureBytes(signatureKeyType);
unpacker.Unpack(out byte[] signatureData, signatureSize);
var position = unpacker.Position;
var signature = Signature.Restore(new ArraySegment <byte>(signatureData));
var partialStream = new PartialStream(unpacker.Stream, dataOffset, dataSize);
var signatureHash = Hash.Generate(signature.DataHashType, partialStream);
unpacker.Position = position;
return(signatureHash, signature);
}
