| 摘要 |
PURPOSE: A security device for a mobile device is provided to generate an OTP(One Time Password) suitable for a purpose among a plurality of OTPs to be independently used for different institutions without a separate power device or a separate selection device. CONSTITUTION: A control unit(130) performs user authentication by using a password, a public certificate, and an electronic signature key for security token authentication. The control unit analyzes an authentication process through at least one method of website access information analysis, posting information analysis of a website, and type information analysis of the authentication process. The control unit extracts the type of an authentication object institution. The control unit generates an OTP value by using a seed value corresponding to the type of the authentication object institution. [Reference numerals] (110) Smart card chip; (112) Security token module; (114) OTP generating module; (120) Security memory unit; (130) Control unit; |
