公开(公告)号：US20170244677A1

公开(公告)日：2017-08-24

申请号：US15214309

申请日：2016-07-19

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  Hancom Secure Inc.

Inventor： Seung Kwang LEE ,  You Sung KANG ,  Ju Han KIM ,  Tae Sung KIM ,  Doo Ho CHOI ,  Geon Woo KIM ,  Soo Hyung KIM ,  Hyun Sook CHO ,  Seung Hun JIN

IPC: H04L29/06 ,  H04L9/08

CPC classification number: H04L9/0816 ,  H04L9/002 ,  H04L2209/16 ,  H04L2209/34

Abstract: Provided are an operation method and a secure terminal for performing the method. The operation method may include receiving, from a user terminal, a plain text on which an external encoding operation is to be performed, performing the external encoding operation on the plain text, and transmitting the external encoding operated plain text to the user terminal, and the operation method may include receiving, from a user terminal, a cryptogram in which a white-box cryptography operation is performed on an external encoding operated plain text; performing an external decoding operation on the cryptogram; and transmitting the external decoding operated cryptogram to the user terminal.