BerLib.BerEncoding.DecodeMultiByteLong C# (CSharp) Метод

        public static ulong DecodeMultiByteLong(IBerInput input)
        {
            byte currentByte;
             ulong value = 0;

             do
             {
            currentByte = input.ReadByte();
            value = (value << 7) | (byte)(currentByte & ~0x80);

             } while((currentByte & 0x80) != 0);

             return value;
        }