Passcode Operating System, Passcode Apparatus, and Super-Passcode Generating Method

A super-passcode generating method for generating a super-passcode in a passcode apparatus, the super-passcode generating method comprising:

• displaying an input window where a plurality of icons is placed;
• ascertaining, when a user selects icons on the input window, character strings corresponding to each of the selected icons on a virtual keyboard;
• generating a seed passcode in which the ascertained character strings are combined;
• and
• generating a super-passcode using a site code assigned to a web site and the generated seed passcode.

A passcode operating system for performing user authentication using a super-passcode, the passcode operating system comprising:

• a web server to receive a request for service from a client terminal;
• and
• a passcode apparatus to receive a request for authentication information of the client terminal from the web server, generate a super-passcode using a seed passcode and a site code assigned to the web server, and provide the web server with the super-passcode as user authentication information,
• wherein the web server authenticates the client terminal based on the super-passcode received from the passcode apparatus.

A method for recovering user-specific passcode data in a passcode apparatus, the method comprising:

• receiving a selection of experience information from a user;
• calculating a hash value of the experience information, and transmitting a data request message including the hash value to a passcode service server;
• receiving user-specific passcode data encrypted with the hash value being set as a safekeeping address from the passcode service server;
• and
• setting the experience information as a secret key, and decoding the encrypted user-specific passcode data using the secret key.

A passcode apparatus comprising:

• at least one processor;
• a memory;
• and
• at least one program stored in the memory and configured to be executed by the at least one processor,
• the program comprising:
• a data recovery module to calculate a hash value for experience information selected by a user, transmit a data request message including the hash value to a passcode service server, receive user-specific passcode data encrypted with the hash value being set as a safekeeping address from the passcode server, set the experience information as a secret key, and decode the received encrypted user-specific passcode data using the secret key.

A passcode apparatus comprising:

• at least one processor;
• a memory;
• and
• at least one program stored in the memory and configured to be executed by the at least one processor,
• the program comprising:
• a data safekeeping module to store user-specific passcode data;
• and
• a data backup module to set experience information selected by a user as a secret key, encrypt the user-specific passcode data using the secret key, calculate a hash value for the experience information, transmit the hash value and the encrypted user-specific passcode data to the passcode server, and store the encrypted user-specific passcode data at a safekeeping address corresponding to the hash value.