
Cryptography for Security and Privacy in Cloud Computing
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Content
- Intro
- Cryptography for Security and Privacy in Cloud Computing
- Contents
- Chapter 1 Introduction
- 1.1 MODERN CRYPTOGRAPHY
- 1.2 CLOUD COMPUTING
- 1.3 DIGITAL IDENTITY, AUTHENTICATION, AND ACCESS CONTROL
- 1.4 PRIVACY-ENHANCING TECHNOLOGIES
- 1.5 OUTLINE
- References
- Chapter 2 Fundamentals
- 2.1 NUMBER THEORY
- 2.1.1 Drawing Random Coprime Elements
- 2.1.2 Computing Inverse Elements Modulo a Prime
- 2.1.3 Computing Negative Powers Modulo a Prime
- 2.1.4 Getting (Large) Primes
- 2.1.5 Quadratic Residues, Legendre Symbol, and Jacobi Symbol
- 2.2 RINGS, GROUPS, FIELDS, AND LATTICES
- 2.2.1 Finding a Generating Element
- 2.2.2 Groups of Quadratic Residues
- 2.2.3 Constructing a Subgroup
- 2.2.4 Constructing General Finite Fields
- 2.2.5 Homomorphy and Isomorphy
- 2.2.6 Elliptic Curves
- 2.2.7 Pairings
- 2.2.8 Lattices
- 2.3 CODING
- 2.4 COMPUTATIONAL COMPLEXITY
- 2.4.1 Computational Intractability
- 2.4.2 Factorization-Related Assumptions
- 2.4.3 Discrete-Logarithm-Related Assumptions
- 2.4.4 Lattice Assumptions
- 2.5 CRYPTOGRAPHIC PRIMITIVES AND SECURITY MODELS
- 2.5.1 Reductionist Security
- 2.5.2 Random OracleModel and Standard Model
- 2.5.3 Cryptographic Hash Functions
- 2.5.4 Hashing to Algebraic Structures
- 2.5.5 Merkle Trees
- 2.5.6 Secret-Sharing
- 2.5.7 Public Key Cryptography
- 2.5.8 Public Key Encryption
- 2.5.9 Digital Signature Schemes
- 2.5.10 Commitment Schemes
- 2.5.11 Zero-Knowledge Proofs
- References
- Chapter 3 Protection of Identifying Information
- 3.1 PRIVACY PRESERVING AUTHENTICATION
- 3.1.1 Anonymous Password Authentication and AuthenticatedKey Exchange
- 3.1.2 Anonymous Authentication from PKE
- 3.1.3 Group and Ring Signatures
- 3.1.4 Revocable Anonymity
- 3.1.5 Blind Signatures for Anonymous Transactions
- 3.2 ANONYMOUS CREDENTIAL SYSTEMS
- 3.2.1 Camenisch-Lysyanskaya Credentials (Idemix)
- 3.2.2 Brands Credentials (U-Prove)
- 3.3 PRIVACY PRESERVING DISCLOSURE OF DATA
- 3.3.1 k-Anonymity, l-Diversity, and t-Closeness
- 3.3.2 Redactable and Sanitizable Signatures
- 3.4 PRIVACY PRESERVING ACCESS TO RESOURCES
- 3.4.1 Anonymous Communication
- 3.4.2 Private Information Retrieval
- 3.4.3 Oblivious RAM
- References
- Chapter 4 Privacy-Enhancing Encryption
- 4.1 ACCESS CONTROL THROUGH ENCRYPTION
- 4.1.1 Attribute-Based Encryption
- 4.1.2 Predicate Encryption
- 4.1.3 Functional Encryption
- 4.1.4 Summary
- 4.2 COMPUTING ON ENCRYPTED DATA
- 4.2.1 Group Homomorphic Encryption
- 4.2.2 Somewhat Homomorphic Encryption
- 4.2.3 Fully Homomorphic Encryption
- 4.2.4 Alternative Approaches
- 4.2.5 Summary
- References
- Chapter 5 Remote Data Storage
- 5.1 REMOTE DATA CHECKING
- 5.1.1 Proofs of Retrievability (PoR)
- 5.1.2 Provable Data Possession (PDP)
- 5.1.3 Comparison of PoR and PDP
- 5.2 SECURE DATA DEDUPLICATION
- 5.2.1 Convergent or Message-Locked Encryption
- 5.2.2 Proofs of Ownership
- 5.3 SEARCHABLE ENCRYPTION
- 5.3.1 Categorization
- 5.3.2 Symmetric Searchable Encryption
- 5.3.3 Asymmetric Searchable Encryption
- 5.3.4 Security of Searchable Encryption
- 5.4 AVAILABILITY IN THE CLOUD
- References
- Chapter 6 Practical Issues
- 6.1 THE ROLE AND LIMITS OF CRYPTOGRAPHY
- 6.2 IMPLEMENTATIONS AND STANDARDIZATION
- 6.2.1 Implementations
- 6.2.2 Standardization
- 6.3 SELECTED CLOUDS
- 6.3.1 Commercial Clouds
- 6.3.2 Secure Cloud Storage Architectures
- 6.4 OUTLOOK
- References
- List of Symbols
- Abbreviations
- About the Authors
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