公开(公告)号：KR101131929B1

公开(公告)日：2012-04-03

申请号：KR1020100043514

申请日：2010-05-10

Applicant: 숭실대학교산학협력단

Inventor： 정수환 ,  최재덕 ,  김대훈 ,  채강석

IPC: H04L9/30 ,  H04L9/32

Abstract: PURPOSE: Public key based authentication apparatus and method are provided to improve the safety with respect to man-in-the-middle attach by authenticating public values which are used in a password algorithm. CONSTITUTION: An authentication value generating part(110) calculates an initial hash key and the first initial result value of a hash function. The authentication value generating part calculates a first authentication value based on the first initial result value. A transmission parameter calculating part(120) generates a first hash public value and a hash function input message. The transmission parameter calculating part calculates a first collision value. A communicating part(130) the first hash public value, the first collision value, first current time information, the first authentication value, and a first public key to a second communication node. A receiving parameter calculation part(140) calculates the hash function result value of the second communication node. A security key generating part(150) generates a security key for transmitting and receiving data with respect to the second communication node.

公开(公告)号：KR1020110016387A

公开(公告)日：2011-02-17

申请号：KR1020100043514

申请日：2010-05-10

Applicant: 숭실대학교산학협력단

Inventor： 정수환 ,  최재덕 ,  김대훈 ,  채강석

IPC: H04L9/30 ,  H04L9/32

CPC classification number: H04L9/3236 ,  H04L9/0869 ,  H04L9/12 ,  H04L9/14 ,  H04L9/3013 ,  H04L9/3263

Abstract: PURPOSE: Public key based authentication apparatus and method are provided to improve the safety with respect to man-in-the-middle attach by authenticating public values which are used in a password algorithm. CONSTITUTION: An authentication value generating part(110) calculates an initial hash key and the first initial result value of a hash function. The authentication value generating part calculates a first authentication value based on the first initial result value. A transmission parameter calculating part(120) generates a first hash public value and a hash function input message. The transmission parameter calculating part calculates a first collision value. A communicating part(130) the first hash public value, the first collision value, first current time information, the first authentication value, and a first public key to a second communication node. A receiving parameter calculation part(140) calculates the hash function result value of the second communication node. A security key generating part(150) generates a security key for transmitting and receiving data with respect to the second communication node.

Abstract translation: 目的：提供基于公钥的认证装置和方法，以通过认证在密码算法中使用的公共值来提高关于中间附件的安全性。 构成：认证值生成部（110）计算散列函数的初始散列密钥和第一初始结果值。 认证值生成部基于第一初始结果值来计算第一认证值。 传输参数计算部分（120）生成第一散列公共值和散列函数输入消息。 传输参数计算部分计算第一碰撞值。 通信部件（130）将第一散列公共值，第一冲突值，第一当前时间信息，第一认证值和第一公钥发送到第二通信节点。 接收参数计算部（140）计算第二通信节点的散列函数结果值。 安全密钥产生部分（150）产生用于相对于第二通信节点发送和接收数据的安全密钥。