/// <summary>
/// Adds padding data to a buffer buf whose original size
/// is unpadded_buflen in order to extend its total length
/// to a multiple of blocksize.
/// </summary>
/// <returns>The pad.</returns>
/// <param name="text">Text.</param>
public static byte[] Pad(string text)
{
Guard.Argument(text, nameof(text)).NotNull().NotEmpty();
var buf = Encoding.UTF8.GetBytes(text);
var bufOrigialSize = buf.Length;
ulong paddedBufLenp = 0;
Array.Resize(ref buf, 540);
SodiumPadding.Pad(ref paddedBufLenp, buf, (ulong)buf.Length, 32, int.MaxValue);
Array.Resize(ref buf, (int)paddedBufLenp);
paddedBufLenp = 0;
for (int i = bufOrigialSize; i < buf.Length; i++)
{
{
SodiumPadding.Pad(ref paddedBufLenp, buf, (ulong)i, 32, int.MaxValue);
}
}
return(buf);
}
/// <summary>
/// Adds padding data to a buffer buf whose original size
/// is unpadded_buflen in order to extend its total length
/// to a multiple of blocksize.
/// </summary>
/// <returns>The pad.</returns>
/// <param name="text">Text.</param>
public static byte[] Pad(string text)
{
if (string.IsNullOrEmpty(text))
{
throw new ArgumentException("message", nameof(text));
}
var buf = Encoding.UTF8.GetBytes(text);
var bufOrigialSize = buf.Length;
ulong paddedBufLenp = 0;
Array.Resize(ref buf, 540);
SodiumPadding.Pad(ref paddedBufLenp, buf, (ulong)buf.Length, 32, int.MaxValue);
Array.Resize(ref buf, (int)paddedBufLenp);
paddedBufLenp = 0;
for (int i = bufOrigialSize; i < buf.Length; i++)
{
{
SodiumPadding.Pad(ref paddedBufLenp, buf, (ulong)i, 32, int.MaxValue);
}
}
return(buf);
}
