Public Shared Function FromString( _
   ByVal hash As String _
) As PasswordHash

public static PasswordHash FromString( 
   string hash
)

using (PasswordHash pwd1 = new PasswordHash(TEST_PASSWORD))
using (PasswordHash pwd2 = PasswordHash.FromString(pwd1.ToString()))
{
    Assert.AreEqual(pwd1, pwd2);
    Assert.AreEqual(pwd1.Salt.ToArray(), pwd2.Salt.ToArray());
    Assert.AreEqual(pwd1.ToArray(), pwd2.ToArray());
}

Using pwd1 As New PasswordHash(TEST_PASSWORD)
    Using pwd2 As PasswordHash = PasswordHash.FromString(pwd1.ToString())
        Assert.AreEqual(pwd1, pwd2)
        Assert.AreEqual(pwd1.Salt.ToArray(), pwd2.Salt.ToArray())
        Assert.AreEqual(pwd1.ToArray(), pwd2.ToArray())
    End Using
End Using