in rocketmq-client-csharp/Utilities.cs [41:53]
public static string ByteArrayToHexString(byte[] bytes)
{
StringBuilder result = new StringBuilder(bytes.Length * 2);
const string hexAlphabet = "0123456789ABCDEF";
foreach (byte b in bytes)
{
result.Append(hexAlphabet[(int)(b >> 4)]);
result.Append(hexAlphabet[(int)(b & 0xF)]);
}
return result.ToString();
}