Privacy-Preserving Cryptography: Attribute-Based Signatures and Updatable Credentials / Fabian Eidesn, M.Sc. [Thesis Advisor: Prof. Dr. rer. nat. Johannes Blömer, Second Examiner: Prof. Dr.-Ing. Tibor Jager, Third Examiner: Univ.-Prof. Dr.-Ing. Mark Manulis]. Paderborn, 2022
Inhalt
- Introduction
- Preliminaries
- General Notation
- Groups, Relations, and Assumptions
- Schemes and Security Definitions
- Hash Functions
- Digital Signatures
- Blind Signatures
- Signatures of Knowledge
- Non-Interactive Argument Systems
- Universal Composability Framework
- Attribute-Based Signatures
- Enhanced Security of Attribute-Based Signatures
- Introduction
- Attribute-Based Signatures
- Attribute-Based Signature Scheme from Signatures of Knowledge
- Generic ABS Construction
- Discussion of the Generic ABS Construction
- ABS Instantiation from SNARKY Signatures
- Evaluation of our Succinct ABS
- On the Experiment-Based Security of ABS
- On the Security of Existing Schemes
- Universal Composable Attribute-based Signatures
- Anonymous Credentials