Applied Cryptography: 7. Public key certificates (X.509)

Lecture 7: Public Key Infrastructure (PKI), Public Key Certificates (X.509), Certificate Authority, Identity verification (Domain Validation, Organization Validation, Extended Validation), Certificate Transparency, Certificate Signing Request (CSR)

00:00 Introduction
00:33 Public key infrastructure (PKI)
03:36 X.509 certificate
04:33 PKI use cases
06:53 Certificate Authority (CA)
14:06 Certificate hierarchy
16:21 X.509 certificate
18:17 Distinguished Name (DN) in X.509 Certificate
20:35 Certificate extensions (X.509v3 only)
28:20 Use in HTTPS (TLS)
30:12 Server certificate
31:26 Identity verification
35:17 Domain Validation (DN) vs Organization Validation
35:58 Trusted CAs
36:57 Certificate Transparency (CT)
38:35 Certificate signing request (CSR)
40:27 Certificate enrollment
43:28 Task: Certificate issuer
48:04 Task: Hints
50:38 Trust on first use (TOFU)
56:20 Web of trust (WOT)
57:33 Questions

University of Tartu, MTAT.07.017 Applied Cryptography, Spring 2024
Instructor: Arnis Parsovs
View the complete course: https://courses.cs.ut.ee/2024/appcryp...