Web Key Directory and other key exchange methods for OpenPGP / Philipp Michael Breuch ; Supervisors: Prof. Dr.-Ing. Juraj Somorovsky, Dipl.-Math. Marcus Brinkmann. Paderborn, 2022
Inhalt
- Introduction
- Background
- Methodology
- Security Definitions
- Web Key Directory
- Security Analysis of Web Key Directory
- SHA-1 Hashed Local-parts
- Lowercase Mapped Local-parts
- Update Protocol Main Assumption
- Reference Implementation
- Additional Headers
- Irregularities in Message Generation and Processing
- Irregularities in the WKD Format Checking
- Attack on the Reference Implementation
- Summary of our Findings in the Reference Implementation
- Considerations on Further Security Goals
- Key Exchange Termination (GT)
- Key Revocation (GR)
- Confidential Key Requests (GC)
- Privacy Considering Key Exchange (GP)
- Summary
- Conclusions and Future Work
- Bibliography
- List of Figures
- List of Tables
- List of Listings
- Inconsistencies and Specification Gaps
- WKD Update Protocol Run
- WKD Attack