Wireless Communications Security

by Hideki Imai, Mohammad Ghulam Rahman (Editor), Kazukuni Kobara (Editor)

Overview

This cutting-edge resource offers a broad overview of wireless security, as well as a solid understanding of critical cryptography techniques and the methods used to implement an effective cryptography architecture for any organization.

Product Details

ISBN-13:	9781580535205
Publisher:	Artech House, Incorporated
Publication date:	11/30/2005
Series:	Artech House Universal Personal Communications Library
Edition description:	New Edition
Pages:	196
Product dimensions:	6.14(w) x 9.21(h) x 0.50(d)

About the Author

Hideki Imai is a full professor in the Institute of Industrial Science, University of Tokyo. Dr. Imai is the author/coauthor of 35 books and is a renowned speaker at conferences worldwide. He received his B.E., M.E. and Ph.D. in electrical engineering from the University of Tokyo.

Table of Contents

	Preface	xi
1	Introduction	1
2	Cryptography	5
2.1	Introduction	5
2.2	Basic Concepts	5
2.2.1	Ciphertext and Plaintext	5
2.2.2	Types of Cryptosystems	6
2.2.3	Goals of a Cryptosystem	7
2.2.4	Security	8
2.3	Symmetric Encryption Schemes	9
2.4	Perfect Secrecy: The One-Time Pad	9
2.5	Block Ciphers	11
2.5.1	Permutation	11
2.5.2	Substitution	12
2.5.3	Diffusion/Confusion	13
2.5.4	SP Networks	14
2.5.5	Basic Structure	14
2.5.6	Modes of Use	15
2.5.7	DES	17
2.5.8	AES	18
2.6	Stream Ciphers	19
2.6.1	Advantages	20
2.6.2	Security Remarks	20
2.6.3	Some Examples	21
2.7	Asymmetric Cryptosystems and Digital Signatures	21
2.7.1	Public-Key Encryption	22
2.7.2	Public Key Infrastructure (PKI) and Certificate Authorities (CA)	23
2.7.3	Mathematical Background	25
2.7.4	Diffie-Hellman Key Agreement	27
2.7.5	RSA Cryptosystem	28
2.7.6	ElGamal Cryptosystem	29
2.7.7	Necessary Security for Practical Public Key Encryption Systems	31
2.7.8	Digital Signature	32
2.7.9	Mathematical Background	33
2.7.10	RSA Signature Scheme	35
2.7.11	Digital Signature Algorithm (DSA)	36
2.7.12	Necessary Security for Practical Digital Signature Systems	36
	References	38
3	Security Features in Wireless Environment	41
3.1	Introduction	41
3.2	Mobile Network Environment	42
3.3	General Security Threats of a Network	44
3.4	Limitations of Mobile Environment	45
3.5	Mobility and Security	46
3.6	Attacks in Mobile Environment	46
3.6.1	Nuisance Attack	47
3.6.2	Impersonation Attack	48
3.6.3	Interception Attack	48
3.6.4	Replay Attack	48
3.6.5	Parallel Session Attack	48
3.7	Security Issues in Mobile Environment	49
3.7.1	Authentication	49
3.7.2	Anonymity	50
3.7.3	Device Vulnerability	52
3.7.4	Domain Boundary Crossing	52
	References	53
4	Standard Protocols	55
4.1	IEEE 802.11	55
4.1.1	Brief History	55
4.1.2	IEEE802.11 Architecture	56
4.1.3	IEEE 802.11 Layers	60
4.1.4	Security of IEEE 802.11	62
4.1.5	Key Management	69
4.1.6	Weaknesses of WEP	70
4.2	Bluetooth	72
4.2.1	Bluetooth Overview	72
4.2.2	Brief History	73
4.2.3	Benefits	74
4.2.4	Bluetooth Architecture and Components	76
4.2.5	Security of Bluetooth	78
4.2.6	Problems in the Security of Bluetooth	89
	Reference	90
5	Security in 2G Systems	91
5.1	GSM System	92
5.1.1	Introduction	92
5.1.2	Architecture of the GSM Network	93
5.1.3	GSM Security Features	96
5.1.4	Attacks on GSM Security	103
5.2	I-mode Introduction	106
5.2.1	Introduction	106
5.2.2	I-mode System Overview	107
5.2.3	SSL Overview	108
5.2.4	Protocol Stack	110
5.2.5	HTTP Tunneling Protocol	114
5.2.6	Postscript	116
5.3	CDPD	116
5.3.1	Introduction	116
5.3.2	Basic Idea	118
5.3.3	Basic Infrastructure	119
5.3.4	How a CDPD Connection Works	122
5.3.5	CDPD Security	125
	References	129
6	Security in 3G and 4G Systems	131
6.1	3G Wireless Communications Systems	131
6.2	Third Generation Partnership Project (3GPP)	133
6.2.1	3GPP Security Objectives	133
6.3	3G Security Architecture	134
6.3.1	Network Access Security	135
6.3.2	Network Domain Security	136
6.3.3	User Domain Security	136
6.3.4	Provider-User Link Security	136
6.3.5	Visibility and Configurability of Security	137
6.4	Authentication and Key Agreement (AKA) in 3GPP	137
6.5	Confidentiality and Integrity	138
6.5.1	Confidentiality	139
6.5.2	Data Integrity	140
6.6	4G Wireless Communications Systems	141
	References	142
7	Wireless Application Protocol (WAP)	143
7.1	Introduction	143
7.2	WAP Protocol Stack	144
7.3	WAP PKI Model	147
7.3.1	WTLS Class 2	148
7.3.2	WTLS Class 3 and SignText	152
7.4	Cipher Suite in WTLS	156
7.4.1	Key Exchange Suite	156
7.4.2	Elliptic Curve Parameters in WTLS	160
7.4.3	Bulk Encryption and MAC Suite	161
7.5	WAP-Profiled TLS	163
7.5.1	Cipher Suites	164
7.5.2	Session ID and Session Resume	167
7.5.3	Server/Client Authentication and Certificate	168
7.5.4	TLS Tunneling	168
7.6	WAP Identity Module	169
7.7	Further Information	170
	References	171
	About the Authors	175
	Index	177