public static Hash ConcatAndCompute(Hash hash1, Hash hash2, Hash hash3)
{
var bytes = ByteArrayHelper.ConcatArrays(
ByteArrayHelper.ConcatArrays(hash1.ToByteArray(), hash2.ToByteArray()), hash3.ToByteArray());
return(ComputeFrom(bytes));
}
private static byte[] _AddCheckSum(byte[] data)
{
var checkSum = _GetCheckSum(data);
var dataWithCheckSum = ByteArrayHelper.ConcatArrays(data, checkSum);
return(dataWithCheckSum);
}
//Returns null if the checksum is invalid
private static byte[] _VerifyAndRemoveCheckSum(byte[] data)
{
var result = ByteArrayHelper.SubArray(data, 0, data.Length - CheckSumSize);
var givenCheckSum = ByteArrayHelper.SubArray(data, data.Length - CheckSumSize);
var correctCheckSum = _GetCheckSum(result);
return(givenCheckSum.SequenceEqual(correctCheckSum) ? result : null);
}
public static ByteString ToByteString(this string hexString)
{
return(ByteString.CopyFrom(ByteArrayHelper.HexStringToByteArray(hexString)));
}
public static Hash ConcatAndCompute(Hash hash1, Hash hash2)
{
var bytes = ByteArrayHelper.ConcatArrays(hash1.ToByteArray(), hash2.ToByteArray());
return(Hash.FromRawBytes(bytes));
}
/// <summary>
/// Loads the content value represented in hex string.
/// </summary>
/// <param name="hex"></param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException"></exception>
public static Hash HexStringToHash(string hex)
{
var bytes = ByteArrayHelper.HexStringToByteArray(hex);
return(Hash.FromByteArray(bytes));
}
