Lecture 4. Bluetooth Security (Applied Cryptography 101: Real-World Deployments)

Video lectures for Alfred Menezes's introductory course on real-world deployments of cryptography. Topics covered: Bluetooth standard, pairing, Secure Connections, authentication, encryption, KNOB attack Lecture playlist: https://www.youtube.com/playlist?list=PLA1qgQLL41SRn_23p8zD0vUpKM4qOgt_T Course web page: https://cryptography101.ca/crypto101-deployments/ The slides are available on the course web page. Other cryptography courses: https://cryptography101.ca Slides 00:00 Introduction 01:13 Slide 60: Bluetooth 03:02 Slide 61: Bluetooth security 03:55 Slide 62: Bluetooth pairing 04:29 Slide 63: Secure Connections 06:20 Slide 64: Participants 06:39 Slide 65: Security Connections/Numeric Comparison 07:09 Slide 66: Overview 08:15 Slide 67: Phase 1: Public key exchange 11:15 Slide 68: Phase 2: Authentication stage 1 15:03 Slide 69: Verification values 15:14 Slide 70: Notes on Phase 2 17:02 Slide 71: Phase 3: Authentication stage 2 18:45 Slide 72: Phase 4: Link key calculation 19:28 Slide 73: Phase 5: Authentication and encryption 21:21 Slide 74: Phase 5: Authentication and encryption (2) 23:01 Slide 75: KNOB attack 24:34 Slide 76: Other attacks