public static PasswordCheckResult CheckPassword(ContentType contentType, string fieldName, string password, List<PasswordField.OldPasswordData> oldPasswords)
{
var pwFieldSetting = contentType.GetFieldSettingByName(fieldName) as PasswordFieldSetting;
if (pwFieldSetting != null)
throw new NotSupportedException(string.Format("Cannot check password if the field is not a PasswordField. ContentType: ", contentType, ", field: ", fieldName));
return pwFieldSetting.CheckPassword(password, oldPasswords);
}