Unit 5 m commerce

Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is M-Commerce? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wireless Technologies ,[object Object],[object Object],[object Object],[object Object]

Examples of PDA Devices PDA Microprocessor Speed Palm, Handspring Motorola Dragonball 16.6 – 20 MHz RIM Interactive Pager Intel 386 10 MHz Compaq Aero 1530 NEC/VR4111 MIPS RISC 70 MHz HP Jornada 820 Intel/StrongARM RISC SA-1100 190 MHz Casio Cassiopeia E-100 NEC/VR4121 MIPS 131 MHz Psion Revo ARM 710 36 MHz Psion Series 5 Digital/Arm 7100 18 MHz

Application Layer Technologies ,[object Object],[object Object],[object Object],[object Object]

Example: WAP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic WAP Architecture Web Server WTLS SSL Internet WAP Gateway

Security Challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wireless Security Approaches ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example: Security Concerns ,[object Object],[object Object],[object Object]

Example: WTLS– ECC vs. RSA? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WTLS: Crypto Basics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

WTLS w/ Mutual-Authentication ,[object Object],Client Hello -----------> ServerHello Certificate CertificateRequest <----------- ServerHelloDone Certificate ClientKeyExchange (only for RSA) CertificateVerify ChangeCipherSpec Finished -----------> <----------- Finished Application Data <----------> Application Data 1. Verify Server Certificate 2. Establish Session Key 3. Generate Signature

WTLS Handshake Timings (Palm VII) ,[object Object],Operation Cryptographic Primitive(s) Time Required (ms) Server Certificate Verification RSA Signature Verification (Public decrypt, e=3) 598 Session Key Establishment RSA Encryption (Public encrypt) 622 Client Authentication RSA Signature Generation (Private encrypt) 21734 TOTAL 22954

WTLS Handshake Timings (Palm VII) ,[object Object],The cryptographic execution time for mutually-authenticated 163-bit ECC handshakes is at least 8.64 times as fast as the cryptographic execution time for mutually-authenticated 1024-bit RSA handshakes on the Palm VII. Operation Cryptographic Primitive(s) Time Required (ms) Server Certificate Verification CA Public Key Expansion 254.8 ECC-DSA Signature Verification 1254 Session Key Establishment Server Public Key Expansion 254.8 Key Agreement 335.6 Client Authentication ECC-DSA Signature Generation 514.8 TOTAL 2614

WAP Gap: One Alternative… ,[object Object],[object Object],Internet WAP Gateway WTLS Class 2 SSL Operator Web Server SSL Content Provider WAP Gateway

Usability Challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Usability Approaches ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Heterogeneity Challenges ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Heterogeneity Approaches ,[object Object],[object Object],[object Object]

Business Models Issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Case Studies ,[object Object],[object Object],[object Object]

NTT DoCoMo I-Mode ,[object Object],[object Object],[object Object],[object Object],[object Object]

Palm.Net ,[object Object],[object Object],[object Object],[object Object]

Sprint PCS Wireless Web ,[object Object],[object Object],[object Object],[object Object],[object Object]

Unit 5 m commerce

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Unit 5 m commerce

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