/// <summary>
/// Generates a SHA256 hash from a string.
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public string FromString(string str)
{
Stream stream = StreamsHelper.StreamFromString(str);
using (HashAlgorithm hashAlgorithm = SHA256.Create())
{
byte[] hash = hashAlgorithm.ComputeHash(stream);
return(ToHex(hash));
}
}
