SenseNet.ContentRepository.User.SaveCurrentPassword C# (CSharp) Method

        private void SaveCurrentPassword()
        {
            var oldPasswords = this.GetOldPasswords();
            if (oldPasswords != null && oldPasswords.Count > 0)
            {
                // set oldpasswords if last password does not equal to current password
                if (oldPasswords.OrderBy(k => k.ModificationDate).Last().Hash != this.PasswordHash)
                    oldPasswords.Add(new PasswordField.OldPasswordData { ModificationDate = DateTime.Now, Hash = this.PasswordHash });
            }
            else
            {
                if (this.PasswordHash != null)
                {
                    oldPasswords = new List<PasswordField.OldPasswordData>();
                    oldPasswords.Add(new PasswordField.OldPasswordData { ModificationDate = DateTime.Now, Hash = this.PasswordHash });
                }
            }

            var passwordHistoryFieldMaxLength = RepositoryConfiguration.PasswordHistoryFieldMaxLength;
            while (passwordHistoryFieldMaxLength + 1 < oldPasswords.Count)
                oldPasswords.RemoveAt(0);

            this.SetOldPasswords(oldPasswords);

        }