wireless lan security protocols -a...
TRANSCRIPT
![Page 1: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/1.jpg)
Wireless LAN Security Protocols- A tutorial
윤종호한국항공대
![Page 2: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/2.jpg)
Biograph• 윤종호 교수
• 한국과학기술원 전기 및 전자공학과 졸업(공학박사)
• 한국항공대학교 항공전자정보통신공학부 교수
• 주요활동
– 1995 ~ 1996 : U. of Arizona 방문교수– 1996 ~ 1998 : 한국항공대학교 전자계산소 소장– 1991 ~ 현재 : OSIA LAN-TG 의장– 2001 ~ 현재 : 한국이더넷포럼 부의장– 2003 ~ 현재 : IEEE802.3 Voting Member
• 유무선통신망 설계 및 성능분석 연구
![Page 3: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/3.jpg)
Pre-Robust Secure Network
![Page 4: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/4.jpg)
Open System 인증방식
![Page 5: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/5.jpg)
Shared-Key 인증방식
![Page 6: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/6.jpg)
암호화된 데이터 메시지 상세
![Page 7: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/7.jpg)
802.1x/EAP/LEAP
![Page 8: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/8.jpg)
EAP 인증 프로토콜
![Page 9: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/9.jpg)
802.1x 시스템의 구성과 동작
EAP-MD5의 경우
![Page 10: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/10.jpg)
기존 무선LAN 인증방법과 EAP인증방법의 비교
![Page 11: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/11.jpg)
EAP 패킷 형식
![Page 12: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/12.jpg)
EAP-MD5인증방식의 문제점
![Page 13: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/13.jpg)
Lightweight EAP(LEAP)* – Old cisco AP
![Page 14: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/14.jpg)
IEEE802.11i
![Page 15: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/15.jpg)
Robust Secure Network(RSN)의암호방식 및 인증방식
![Page 16: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/16.jpg)
무선 LAN의 보안 방법 비교
![Page 17: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/17.jpg)
802.11i 동작절차 개요
![Page 18: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/18.jpg)
802.1x/EAP 계층구조
![Page 19: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/19.jpg)
WPA-EAP: 상호인증 및 키 확보 절차
![Page 20: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/20.jpg)
WPA-EAP: 키 관리 및 그룹키 분배절차
• AP와 STA간 무선링크 보호용 암호키의 확보여부 검증
• 그룹키 분배. • 4-way handshaking
![Page 21: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/21.jpg)
4-way 핸드쉐이킹절차(1)
![Page 22: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/22.jpg)
4-way 핸드쉐이킹 절차(2)
![Page 23: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/23.jpg)
WPA-PSK : 키 관리 및 그룹키 분배절차
![Page 24: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/24.jpg)
802.11i의 불법 AP 공격 탐지 절차의 예
![Page 25: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/25.jpg)
EAP-TLS/-TTLS
![Page 26: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/26.jpg)
TLS기반의 상호 인증방식
![Page 27: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/27.jpg)
Recall : TLS의 기본 동작절차
![Page 28: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/28.jpg)
EAP-TLS 인증방식
![Page 29: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/29.jpg)
EAP-TLS 인증절차 (1)
![Page 30: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/30.jpg)
EAP-TLS 인증절차 (2)
서버인증
*TEK=Transient EAP Key
![Page 31: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/31.jpg)
EAP-TLS 패킷의 예(Client Hello,Server Hello)
![Page 32: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/32.jpg)
간략한 TTLS/EAP-MD5-Challenge 인증절차(1)
![Page 33: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/33.jpg)
간략한 TTLS/EAP-MD5-Challenge 인증절차(2)
![Page 34: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/34.jpg)
EAP-TTLS 계층구조*
![Page 35: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/35.jpg)
EAP-TTLS 패킷 형식*
![Page 36: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/36.jpg)
Tunneled TLS 인증방식의 공통적인 문제점(1)
![Page 37: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/37.jpg)
Tunneled TLS 인증방식의 공통적인 문제점(2)
![Page 38: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/38.jpg)
해결책 : CryptoBinding 사용
• 2단계의 키
– outer session key : 단계 1의 TLS연결 설정시 사용한 TLS_master_secret(TMS)
– inner session key(ISK) : 단계 2에서 사용자 인증시 사용된 사용자 패스워드
• 2단계의 키 결합 CMK,CSK생성
– Compound MAC Key(CMK)• 무결성 검증용 키
• 각각 20바이트 길이의 CMK_B1[20]와 CMK_B2[20]으로 구성됨.– Compound Session Key(CSK)
• 무선구간 암호전송용 키
• 128바이트
![Page 39: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/39.jpg)
Crypto-Binding 절차에 의한 키 분배 절차(1)
![Page 40: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/40.jpg)
Crypto-Binding 절차에 의한 키 분배 절차(2)
![Page 41: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/41.jpg)
Crypto-Binding절차*
![Page 42: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/42.jpg)
Crypto-Binding절차에 의한 불법 AP문제점 해결의 예
![Page 43: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/43.jpg)
Crypto-Binding절차에 의한 불법 AP문제점 해결의 예(계속)
![Page 44: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/44.jpg)
AP/단말설정*
![Page 45: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/45.jpg)
Protected EAP/EAP-FAST
![Page 46: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/46.jpg)
Recall: TLS기반의 상호 인증방식
![Page 47: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/47.jpg)
PEAP-MS-CHAPv2의 동작절차(1)
![Page 48: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/48.jpg)
PEAP-MS-CHAPv2의 동작절차(2)
![Page 49: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/49.jpg)
PEAP-MS-CHAPv2설정*
• 단말설정
![Page 50: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/50.jpg)
EAP-FAST 프로토콜
• EAP-Flexible Authentication via Secure Tunneling • Cisco• No Certificate required
• EAP(EAP-Cisco)의 개량형
• 단말과 인증서버간에 설정된 패스워드인Protected Access Credential (PAC)키 사용
![Page 51: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/51.jpg)
PAC의 구성
Q.어떻게 단말이 이것을 확보하는가?
![Page 52: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/52.jpg)
EAP-FAST 동작절차 상세(1)
![Page 53: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/53.jpg)
EAP-FAST 동작절차 상세(2)
![Page 54: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/54.jpg)
EAP-FAST 동작절차 상세(3)
![Page 55: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/55.jpg)
EAP-FAST 계층구조*
![Page 56: Wireless LAN Security Protocols -A tutorialold.hsn.or.kr/workshop/hsn2006/document/2.22.Wed/Special... · 2014-04-03 · Biograph • 윤종호교수 • 한국과학기술원전기및전자공학과졸업(공학박사)](https://reader033.vdocuments.pub/reader033/viewer/2022041701/5e41caf58f788d38791ebff3/html5/thumbnails/56.jpg)
끝.