Inventor

CHEON JUNG HEE

KR40 patents

⚠️ This page may combine multiple inventors who share the name “CHEON JUNG HEE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHEON JUNG HEE

CRYPTO LAB INC

Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereof

Apparatus for processing modular multiply operation and methods thereof

Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereof

Apparatus for processing non-polynomial operation on homomorphic encrypted messages and methods thereof

Apparatus for approximately processing encrypted messages and methods thereof

Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereof

Apparatus for processing approximately encrypted messages and methods thereof

Apparatus and method for processing non-polynomial operation on encrypted messages

Practical sorting on large-scale encrypted data

Methods of generating encryption key and digital signature based on lattices

Operating device and method using multivariate packing

Apparatus for performing threshold design on secret key and method thereof

Electronic device for encrypting data by public key and methods thereof

User device and electronic device for sharing data based on block chain and homomorphic encryption technology and methods thereof

Electronic device and controlling method for increasing an operation speed of homomorphic encrypted data

Calculation device for encryption using public key and encryption method thereof

Calculation device for encryption using public key and encryption method thereof

Electronic apparatus using homomorphic cipher and method thereof

Electronic device for searching encrypted data and methods thereof

Mobile device for detecting route overlap and methods thereof

Electronic device for performing evaluation of encrypted messages and methods thereof

SAMSUNG ELECTRONICS CO LTD

Method of managing user key for broadcast encryption

Encryption apparatus, method for encryption and computer-readable recording medium

Method and system for communicating homomorphically encrypted data

Method for generating, operating, and using a sparse w-NAF key for encryption

Method of managing user key for broadcast encryption

Method of managing user key for broadcast encryption

Electronic device for user authentication, server, and control method therefor

SAMSUNG SDS CO LTD

Method and system for ID-based encryption and decryption

Private key generation apparatus and method, and storage media storing programs for executing the methods

Apparatus and method for generating secret key, apparatus and method for generating evaluation key

Apparatus and method for generating secret key, apparatus and method for generating evaluation key

SEOUL NAT UNIV R&DB FOUNDATION

Electronic apparatus and method for verifying encrypted data

Apparatus for generating blind signature and method thereof

Identity-based encryption method based on lattices

YI JEONG HYUN

Apparatus for batch verification and method using the same

Key calculation method and key agreement method using the same

CHEON JUNG HEE

Fast batch verification method and apparatus there-of

Method and apparatus for solving discrete logarithm problem using pre-computation table

YOON HYO JIN

ID-based encryption and signature method and terminal