Как реализовать SHA1Hex (hex string)

3de0e8b03eca3d8e1a26b6952aff83e7e40eb87d567243480e27c656aa46

ed594304a0e9b2077efc00eefce4939a9c5c6871

add37279ab037563ecbf2c5e8737c6ad9e0b1de1

using namespace System::Security::Cryptography;

SHA1Managed^ sha = gcnew SHA1Managed();
String^ hex = "3de0e8b03eca3d8e1a26b6952aff83e7e40eb87d567243480e27c656aa46"; 
 
auto bytes = Encoding::Default->GetBytes(hex);  // hex string -> bytes 
auto didest = sha->ComputeHash(hexbytes);       // bytes -> didest
String^ result = ByteToHexString(didest);       // digest -> hex string
 
// my result   =    add37279ab037563ecbf2c5e8737c6ad9e0b1de1
// real result =    ed594304a0e9b2077efc00eefce4939a9c5c6871

auto didest = sha->ComputeHash(bytes);

array <Byte>^ HexToBytes(String^ &value)
{
    SoapHexBinary^ shb = SoapHexBinary::Parse(value);
    return shb->Value;
}
private: System::Void button3_Click(System::Object^  sender, System::EventArgs^  e)
{   
    SHA1Managed^ sha = gcnew SHA1Managed();
    String^ hex = "3de0e8b03eca3d8e1a26b6952aff83e7e40eb87d567243480e27c656aa46";
 
    auto bytes = HexToBytes(hex);               // hex string -> bytes 
    auto didest = sha->ComputeHash(bytes);      // bytes -> didest
    String^ result = ByteToHexString(didest);   // digest -> hex string
}

//считаю sha256
String^ sha256 (String ^str) {
    String ^encPass;
    Encoding^ d = Encoding::Default;
    try {
        array<Byte>^ data = d->GetBytes(str);
        array<Byte>^ result;
        SHA256^ shaM = gcnew SHA256CryptoServiceProvider;
        array<unsigned char>^ retVal = shaM->ComputeHash( data );
 
        System::Text::StringBuilder^ sBuilder = gcnew System::Text::StringBuilder();
        for (int i = 0; i < retVal->Length; i++)    {
            sBuilder->Append(retVal[i].ToString("x2"));
        }
        return sBuilder->ToString()->ToLower();
    }
    catch (Exception ^WE) {
        return "";
    }
 
}