CS338 Computer Security Monday, 25 April 2022 + Today - Majors - Questions - Alice, Bob, CA, and Mal - TLS 1.3 + Majors - The graph - "judgment" - Double majors - Public-interest technology UX design Requirements analysis Visual design Cultural differences Historical issues ... + Questions? + Alice, Bob, CA, and Mal + Looking into TLS 1.3 (RFC 8446) - opaque (3.2) - vectors (3.4) - protocol overview (2) - Transcript-Hash (4.4.1) - CertificateVerify (4.4.3; note 1st sentence) "This structure is intended to prevent an attack..." - Replay and delegation(?) attacks - All the exceptional cases take a ton of space in the spec