CONTENTS

�1���� Scope�
�2���� References�
�3���� Terms and definitions�������
�4���� Abbreviations and acronyms��������
�5���� Conventions�����
�6���� Secure password-based authentication protocol with key exchange (SPAK)���������
������� 6.1���� Problems of plaintext password-based authentication����������
������� 6.2���� Operational procedure of SPAK����
������� 6.3���� Basic characteristics of SPAK�������
�7���� Requirements for SPAK��
������� 7.1���� Framework requirement�����
������� 7.2���� Protocol requirement���������
�8���� Criteria for choosing a suitable SPAK������
Annex A � SPAK framework requirements����
Appendix I � Comparison of existing SPAKs in terms of performance� and underlying PKC����
Appendix II � Comparison of existing SPAK protocols in terms of several requirements�� ��
Bibliography����