public static byte[] StringToBytes(string textInput)
{
if (string.IsNullOrEmpty(textInput))
{
return(null);
}
List <byte> bytes = new List <byte>();
for (int i = 0; i < textInput.Length; i++)
{
bytes.Add(CharUtils.CharToByte(textInput[i]));
}
return(bytes.ToArray());
}
public static string BytesToBinary(byte[] bytes)
{
if (bytes == null || bytes.Length < 1)
{
return(string.Empty);
}
StringBuilder sb = new StringBuilder();
foreach (byte b in bytes)
{
sb.Append(CharUtils.ByteToBinary(b));
}
return(sb.ToString());
}
public static byte[] BinaryToBytes(string binaryInput)
{
if (string.IsNullOrEmpty(binaryInput))
{
return(null);
}
string buffer;
if (binaryInput.Length % 8 != 0)
{
StringBuilder sb = new StringBuilder();
int left = 8 - (binaryInput.Length % 8);
for (int i = 0; i < left; i++)
{
sb.Append('0');
}
sb.Append(binaryInput);
buffer = sb.ToString();
}
else
{
buffer = binaryInput;
}
List <byte> bytes = new List <byte>();
for (int i = 0; i < buffer.Length; i += 8)
{
if (!(CharUtils.IsLegalHex(buffer[i]) && CharUtils.IsLegalHex(buffer[i + 1]) && CharUtils.IsLegalHex(buffer[i + 2]) && CharUtils.IsLegalHex(buffer[i + 3]) &&
CharUtils.IsLegalHex(buffer[i + 4]) && CharUtils.IsLegalHex(buffer[i + 5]) && CharUtils.IsLegalHex(buffer[i + 6]) && CharUtils.IsLegalHex(buffer[i + 7])))
{
return(null);
}
bytes.Add(BinaryToByte(buffer.Substring(i, 8)));
}
return(bytes.ToArray());
}
public static byte HexToNibble(string input)
{
return(CharUtils.HexToNibble(input[0]));
}
public static byte StringToByte(string input)
{
return(CharUtils.CharToByte(input[0]));
}