Electronics and Telecommunications Research Institute

Korea Institute of Science and Technology

Yonsei University

Soo Hyung Kim

Young Seob Cho

Seung Hun Jin

Jung Yeon Hwang

Seung-hyun Kim

Jong-Hyouk Noh

Jin-Man Cho

Seok Hyun Kim

Youngsam Kim

Sangrae Cho

Sang Rae Cho

Seyoung Huh

Seung Hyun Kim

Dae Seon Choi

Jong Hyouk Noh

Kwantae Cho

Hyung Sun Kim

Byung Won Cho

Sung-Hoon Lee

Kyung Yoon Chung

Hwa Young Lee

Eun Jung Shin

Deokjin Kim

Jin Man Cho

Andrew Beng Jin Teoh

Hyung-Kyun Kim

An anonymous credential authentication system receives an anonymous credential signature value indicating that setting proposition information using a credential is satisfied from a user device that has been issued the credential combined with multiple pieces of attribute information constituting personal information, generates signer authentication information that confirms a signer of the anonymous credential signature value using an opening key, and outputs the signer authentication information.

Anonymous credential authentication system and method thereof

A method and an apparatus for providing a service using a kiosk by a service providing server by performing the steps of: receiving a device list of at least one kiosk having an ability to provide the service among a plurality of kiosks registered in a blockchain from a kiosk server; authenticating a first kiosk through a smart contract function embedded in the blockchain when a user requests the service through the first kiosk and determining whether the first kiosk is included in the device list; and providing the service to the user when the first kiosk is authenticated by the smart contract function and is included in the device list are provided.

Method and apparatus for providing service using kiosk

A transaction information managing system including a plurality of servers and at least one third-party server, wherein the plurality of servers are configured to create, when transactions using the budget of the public organization occurs, a block based on transaction information of the transactions, add the block to the block chain, and share the block chain and the at least one third-party server is configured to perform a mathematical operation to enhance the reliability of the block chain, and a method for managing the transaction information are provided.

Apparatus and system for managing transaction information of public organization using blockchain technology

A method and an apparatus for authenticating user using biometric information. The apparatus authenticates the user by performing: generating a first feature vector from first biometric information of the user obtained by the biometric sensor and multiplying the first feature vector by a plurality of pseudo-random number (PRN) matrices, respectively; generating a query template based on an index of an element having a maximum value among elements of a result vector of the multiplication between the first feature vector and the plurality of PRN matrices; and performing authentication for the user by comparing the query template with a pre-stored reference template of a subscribed user.

Method and apparatus for authentication of user using biometric

A method and an apparatus for fingerprint recognition are disclosed. The apparatus for the fingerprint recognition may extract a plurality of fingerprint feature points from a fingerprint image and may predetermine a group among the plurality of fingerprint feature points. The apparatus for the fingerprint recognition may also calculate a ridge number between the first fingerprint feature points included in the group and may use the ridge number to generate a ridge count sequence.

Method and apparatus for fingerprint recognition

A face recognition based key generation apparatus controls a key generation model that is formed of a CNN and an RNN to be learned to generate a desired key having a consistent value by using sample facial images of a key owner and a PIN of the key owner as inputs, and the key generation model receives a facial image of the key owner and the PIN of the key owner, as inputs at a desired key generation time, and generates a key.

Method and apparatus for key generation based on face recognition using CNN and RNN

A user classification apparatus and method using a keystroke pattern based on a user posture are provided. A user classification method using a keystroke pattern may include receiving keystroke data from a user, extracting feature information corresponding to a unique pattern of the user using the received keystroke data, comparing the extracted feature information to a pattern of a keystroke profile for each posture of the user pre-generated through training, and determining whether currently input keystroke data is data of a trained user based on a result of the comparing.

User classification apparatus and method using keystroke pattern based on user posture

The present invention relates to a method for recycling LiFePO, which is an olivine-based cathode material for a lithium secondary battery. The present invention is characterized in that a cathode material including LiFePOis synthesized using, as precursors, amorphous FePO.XHO and crystalline FePO.2HO (metastrengite) obtained by chemically treating LiFePOas an olivine-based cathode material for a lithium secondary battery, which is produced from a waste battery. Since a cathode fabricated from the LiFePOcathode material synthesized according to the present invention does not deteriorate the capacity, output characteristics, cycle efficiency and performance of the secondary battery and the cathode material of the lithium secondary battery may be recycled, the secondary battery is economically efficient.

Recycling method of olivine-based cathode material for lithium secondary battery, cathode material fabricated therefrom, and cathode and lithium secondary battery including the same

The prevent invention relates to a portable mobile apparatus for a user for providing a supplementary service and a method for providing a supplementary service by using the same, and more particularly, to an apparatus and a method for providing supplementary enhanced services by using an application run in a portable mobile terminal when the portable mobile terminal such as a cellular phone or a smart phone is used for a service through short-range RF communication. The present invention can provide a variety of supplementary services to the user by using an operation function included in the application in the mobile terminal when performing the services through the short-range RF communication. Specifically, it is possible to automate the supplementary function or provide convenience to the user and interact with the user.

Portable mobile apparatus providing supplementary service for user and method thereof

Provided are a mobile terminal for sharing resources, a method of sharing resources within a mobile terminal and a method of sharing resources between a web server and a terminal. The mobile terminal for sharing resources includes a web browser using a web standard protocol to display a first random value, an authentication number, and a Distinguished Name (DN) of web server transferred from the web server after it has been determined that there is no key information in a cookie; and a resource when the first random value and the DN are received from the web browser, being terminated after storing the first random value and the DN, and when the resource is re-executed and the authentication number is input by a user, verifying the first random value, generating a second random value and a shared key from the first random value and generating a symmetric key using a part of the shared key, wherein the shared key is generated from the second random value based on the symmetric key, and the symmetric key is identical to a symmetric key of the web server generated from a part of the symmetric key, and the web browser and the resources are operated by an execution unit.

Mobile terminal for sharing resources, method of sharing resources within mobile terminal and method of sharing resources between web server and terminal

A key tree construction and key distribution method for hierarchical role-based access control, includes: constructing a key tree including relationships between a hierarchical structure of role groups and data; performing encryption and decryption of data keys and role keys; and generating a key table, in which the data keys required to decrypt encrypted data and the role keys required to decrypt encrypted data keys are stored, with reference to the key tree. Further, the key tree construction and key distribution method for hierarchical role-based access control includes performing management such that a specific role group can obtain a data key by performing decryption based on its own role key by using both the key tree and the key table.

Growing community of inventors

Daejeon, South Korea

Soo Hyung Kim