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Financial Cryptography and Data Security [[electronic resource] ] : FC 2015 International Workshops, BITCOIN, WAHC, and Wearable, San Juan, Puerto Rico, January 30, 2015, Revised Selected Papers / / edited by Michael Brenner, Nicolas Christin, Benjamin Johnson, Kurt Rohloff
Financial Cryptography and Data Security [[electronic resource] ] : FC 2015 International Workshops, BITCOIN, WAHC, and Wearable, San Juan, Puerto Rico, January 30, 2015, Revised Selected Papers / / edited by Michael Brenner, Nicolas Christin, Benjamin Johnson, Kurt Rohloff
Edizione [1st ed. 2015.]
Pubbl/distr/stampa Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2015
Descrizione fisica 1 online resource (XII, 309 p. 59 illus.)
Disciplina 332.10285
Collana Security and Cryptology
Soggetto topico Computer security
Data encryption (Computer science)
E-commerce
Application software
Management information systems
Computer science
Systems and Data Security
Cryptology
e-Commerce/e-business
Computer Appl. in Administrative Data Processing
Management of Computing and Information Systems
ISBN 3-662-48051-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- BITCOIN 2015: Second Workshop on Bitcoin Research -- WAHC 2015: Third Workshop on Encrypted Computing and Applied Homomorphic Cryptography -- Wearable 2015: First Workshop on Wearable Security and Privacy -- Contents -- On the Malleability of Bitcoin Transactions -- 1 Introduction -- 1.1 Possible Fixes to the Bitcoin Malleability Problem -- 1.2 Our Contribution -- 1.3 Ethical Issues -- 2 Bitcoin Description -- 3 Experiments -- 4 Malleability in Bitcoin Contracts -- 4.1 The Deposit Protocol -- 4.2 Other Protocols Vulnerable to the Malleability Attack -- 5 Our Technique -- 5.1 Bitcoin-Based Timed Commitment Scheme -- 5.2 The Details of Our Method -- References -- Trends, Tips, Tolls: A Longitudinal Study of Bitcoin Transaction Fees -- 1 Introduction -- 2 Background and Research Questions -- 3 Data and Method -- 4 Results -- 4.1 Trends: Descriptive Analysis -- 4.2 Tips: Explaining the Decision to Offer a Fee -- 4.3 Tolls: Mining Pools as Gatekeepers -- 5 Discussion -- 6 Concluding Remarks -- References -- ZombieCoin: Powering Next-Generation Botnets with Bitcoin -- 1 Introduction -- 2 Background -- 2.1 Botnet C&C Mechanisms -- 2.2 Bitcoin -- 3 ZombieCoin -- 3.1 Inserting C&C Instructions in Transactions -- 4 Proof of Concept -- 5 Discussion -- 6 Prior Work -- 7 Conclusion -- References -- Cuckoo Cycle: A Memory Bound Graph-Theoretic Proof-of-Work -- 1 Introduction -- 2 Motivation -- 3 Graph-Theoretic Proofs-of-work -- 4 Cuckoo Cycle -- 5 Cuckoo Hashing -- 6 Cycle Detection in Cuckoo Cycle -- 7 Union-Find -- 8 Cuckoo Cycle Basic Algorithm -- 9 Difficulty Control -- 10 Edge Trimming -- 11 Time-Memory Trade-Offs (TMTOs) -- 12 Choice of Cycle Length -- 13 Parallelization -- 14 Choice of Graph Size -- 15 Dynamic Sizing -- 16 Conclusion -- References -- When Bitcoin Mining Pools Run Dry -- 1 Introduction -- 2 Related Work -- 3 Model.
3.1 Overview -- 3.2 Players -- 3.3 Choices -- 3.4 Consequences -- 4 Model Analysis -- 4.1 Steady-State Pool Sizes -- 4.2 Steady-State Pool Utilities -- 4.3 Peaceful Equilibria -- 4.4 One-Sided Attack Equilibria -- 5 Numerical Illustrations -- 5.1 The Peaceful Equilibrium -- 5.2 One-Sided Attack Equilibria -- 6 Conclusion and Future Work -- References -- Issues in Designing a Bitcoin-like Community Currency -- Abstract -- 1 Background -- 1.1 Cryptocurrencies -- 2 Community Cryptocurrency Features -- 2.1 Mining -- 2.2 Geofencing -- 2.3 Privileged Transactions -- 2.4 Demurrage -- 2.5 The Community Loan Fund -- 2.5.1 Adding to the Community Fund -- 2.5.2 Disbursing from the Community Fund -- 3 Challenges with a Cryptocurrency Community Fund -- 3.1 Identity -- 3.2 Voting -- 3.3 Loan Regulation -- 4 Vulnerability Assessment -- 4.1 STRIDE Framework -- 4.2 The Vulnerability Matrix -- 4.3 Mitigations -- 5 Conclusion and Future Research -- References -- The Bitcoin Market Potential Index -- References -- Cryptographic Currencies from a Tech-Policy Perspective: Policy Issues and Technical Directions -- 1 Introduction -- 2 Our Process -- 3 Background: Bitcoin and Crypto Currencies -- 4 Analysis of Relevant Legal Contexts -- 5 Tech-Policy Issues for Crypto Currencies -- 5.1 Where Is the Money? -- 5.2 What About Anonymity and Pseudonymity? -- 5.3 What Happens as the World Evolves? -- 6 Conclusion -- References -- Blindcoin: Blinded, Accountable Mixes for Bitcoin -- 1 Introduction -- 1.1 Mixing Services -- 1.2 Current Bitcoin Mixing Services -- 1.3 Our Contribution -- 2 Background -- 2.1 Mixcoin Summary -- 2.2 Blind Signatures -- 3 Blindcoin Description -- 3.1 Model -- 3.2 Protocol -- 4 Analysis -- 4.1 Properties -- 4.2 Overheads -- 5 Conclusion -- References -- Privacy-Enhancing Overlays in Bitcoin -- 1 Introduction -- 2 Definitions and Notation.
2.1 Distributed Electronic Cash -- 2.2 Coinjoin -- 2.3 Taint Resistance -- 3 Achieving Taint Resistance -- 3.1 Using a Trusted Server -- 3.2 Reducing Trust in the Central Server -- 3.3 Removing the Central Server -- 4 Experimental Analysis -- 4.1 Auxiliary Information Based on Value -- 5 Related Work -- 6 Conclusions and Open Problems -- References -- Search-and-Compute on Encrypted Data -- 1 Introduction -- 1.1 Our Results -- 1.2 A High-Level Overview of Our Approach -- 1.3 Closely Related Work -- 2 Preliminaries -- 2.1 The BGV-Type SWHE Scheme -- 2.2 Security Model -- 3 Circuit Primitives -- 3.1 Equality Circuit -- 3.2 Greater-than Comparison Circuit -- 3.3 Integer Addition Circuit -- 4 Search-and-Compute on Encrypted Data -- 4.1 General-Purpose Search-and-Compute -- 4.2 Applications to Encrypted Databases -- 5 Performance Improvements -- 5.1 Larger Message Spaces with Lazy Carry Processing -- 5.2 Calibrating Circuit Primitives -- 6 Experimental Results -- 6.1 Adjusting the Parameters -- 6.2 Experiments for Search -- 6.3 Experiments for Search-and-Sum -- References -- Accelerating SWHE Based PIRs Using GPUs -- 1 Introduction -- 2 Background -- 3 GPU Implementation -- 4 Performance -- References -- Combining Secret Sharing and Garbled Circuits for Efficient Private IEEE 754 Floating-Point Computations -- 1 Introduction -- 2 Preliminaries -- 3 Combining Garbled Circuits with Secret Sharing -- 3.1 An Implementation of the Hybrid Protocol -- 3.2 Security of the Hybrid Protocol -- 4 Using the Hybrid Protocol for Efficient Computations -- 4.1 Circuits for IEEE 754 Primitives -- 4.2 Performance Analysis -- 5 Conclusion -- References -- Cryptanalysis of a (Somewhat) Additively Homomorphic Encryption Scheme Used in PIR -- 1 Introduction -- 2 Preliminaries -- 2.1 Trostle and Parrish's SHE Scheme -- 2.2 Applications to PIR -- 2.3 The Orthogonal Lattice.
3 Breaking the One-Wayness of the Scheme -- 3.1 Overview -- 3.2 Applying Orthogonal Lattice Techniques -- 3.3 Larger Message Space -- 4 Implementation of the Attack -- 4.1 Attack Summary -- 4.2 Experimental Results -- References -- Homomorphic Computation of Edit Distance -- 1 Introduction -- 2 Preliminaries -- 2.1 Homomorphic Encryption -- 2.2 Edit Distance -- 3 Circuit Building Blocks -- 3.1 Equality Circuit -- 3.2 Comparison Circuit -- 3.3 Addition Circuits -- 4 Encrypted Edit Distance Algorithm -- 4.1 Encrypted Edit Distance Algorithm -- 4.2 Performance Analysis of Encrypted Edit Distance Algorithm -- 4.3 Optimization of Encrypted Edit Distance Algorithm -- 5 Implementation and Discussions -- 5.1 Estimates -- 5.2 Experimental Result -- 6 Conclusion -- References -- HEtest: A Homomorphic Encryption Testing Framework -- 1 Introduction -- 2 Overview of Homomorphic Encryption and HElib -- 3 Test Data -- 3.1 Generation Parameters -- 3.2 Circuit and Input Generation -- 3.3 Test Suite Representation -- 3.4 SQLite Database -- 4 The Test Framework -- 4.1 The Test Harness -- 4.2 The Baseline -- 5 Report Generation -- 6 Experimental Results -- 6.1 Experimental Setup -- 6.2 Real-World Applicability -- 6.3 Parameters Tested -- 6.4 Overview of Results -- 6.5 Key Generation -- 6.6 Circuit Ingestion -- 6.7 Encryption and Decryption -- 6.8 Homomorphic Evaluation -- 6.9 Evaluation Time by Gate Type -- 7 Conclusion -- References -- Users' Privacy Concerns About Wearables -- Abstract -- 1 Introduction -- 2 Related Work -- 2.1 Privacy in Ubiquitous Computing -- 2.2 Privacy in Mobile Devices -- 2.3 Privacy in Wearable Devices -- 2.4 Users' Perspectives on Privacy -- 3 Methods -- 3.1 IRB Approval -- 3.2 Data Selection, Extraction and Analysis -- 3.3 Devices, Online Data Sources and Figures -- 4 Identifying User Privacy Concerns for Wearable Technologies.
4.1 Privacy Concerns for Wrist-Mounted Devices -- 4.1.1 General Social Implications: Unawareness -- 4.1.2 Right to Forget -- 4.1.3 Implications of Location Disclosure -- 4.1.4 Discrete Display of Confidential Information: Non-Disclosure -- 4.1.5 Lack of Access Control -- 4.1.6 Users' Fears: Surveillance and Sousveillance -- 4.2 Privacy Concerns for Head-Mounted Devices -- 4.2.1 Speech Disclosure -- 4.2.2 Surveillance, Sousveillance and Criminal Abuse -- 4.2.3 Surreptitious Audio and Video Recording: Unawareness -- 4.2.4 Surveillance, Sousveillance and Social Implications: Unawareness -- 4.2.5 Facial Recognition: Identifiability -- 4.2.6 Automatic Synchronization with Social Media: Linkability -- 4.2.7 Visual Occlusion: Non-Disclosure -- 4.3 Privacy Concerns Across Form Factors -- 5 Discussion -- 5.1 Limitations -- 6 Conclusion -- Acknowledgments -- References -- On Vulnerabilities of the Security Association in the IEEE 802.15.6 Standard -- 1 Introduction -- 2 Security Structure of the IEEE 802.15.6 Standard -- 3 Key Agreement Protocols in the IEEE 802.15.6 Standard -- 4 Security Problems -- 4.1 Protocol I -- 4.2 Protocol II -- 4.3 Protocol III -- 4.4 Protocol IV -- 5 Conclusion -- References -- Visual Cryptography and Obfuscation: A Use-Case for Decrypting and Deobfuscating Information Using Augmented Reality -- 1 Introduction -- 2 Related Work -- 3 Visual Cryptography -- 3.1 Original Version -- 3.2 Modified Version -- 3.3 Using a Seven-Segment Display -- 4 Visual Obfuscation -- 4.1 Digit Representation -- 4.2 Analysis of 2-Way Partitioning -- 4.3 Optimizing the Partitioning -- 4.4 Analysis of 4-Bar Shape -- 4.5 Analysis of 3-Way Partitioning -- 5 Results -- 6 Discussion -- 7 Conclusion -- References -- Ok Glass, Leave Me Alone: Towards a Systematization of Privacy Enhancing Technologies for Wearable Computing -- 1 Introduction -- 2 Properties.
3 Systematization of Privacy Enhancing Technologies.
Record Nr. UNISA-996466185603316
Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2015
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
Financial Cryptography and Data Security : FC 2015 International Workshops, BITCOIN, WAHC, and Wearable, San Juan, Puerto Rico, January 30, 2015, Revised Selected Papers / / edited by Michael Brenner, Nicolas Christin, Benjamin Johnson, Kurt Rohloff
Financial Cryptography and Data Security : FC 2015 International Workshops, BITCOIN, WAHC, and Wearable, San Juan, Puerto Rico, January 30, 2015, Revised Selected Papers / / edited by Michael Brenner, Nicolas Christin, Benjamin Johnson, Kurt Rohloff
Edizione [1st ed. 2015.]
Pubbl/distr/stampa Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2015
Descrizione fisica 1 online resource (XII, 309 p. 59 illus.)
Disciplina 332.10285
Collana Security and Cryptology
Soggetto topico Computer security
Data encryption (Computer science)
E-commerce
Application software
Management information systems
Computer science
Systems and Data Security
Cryptology
e-Commerce/e-business
Computer Appl. in Administrative Data Processing
Management of Computing and Information Systems
ISBN 3-662-48051-4
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Intro -- BITCOIN 2015: Second Workshop on Bitcoin Research -- WAHC 2015: Third Workshop on Encrypted Computing and Applied Homomorphic Cryptography -- Wearable 2015: First Workshop on Wearable Security and Privacy -- Contents -- On the Malleability of Bitcoin Transactions -- 1 Introduction -- 1.1 Possible Fixes to the Bitcoin Malleability Problem -- 1.2 Our Contribution -- 1.3 Ethical Issues -- 2 Bitcoin Description -- 3 Experiments -- 4 Malleability in Bitcoin Contracts -- 4.1 The Deposit Protocol -- 4.2 Other Protocols Vulnerable to the Malleability Attack -- 5 Our Technique -- 5.1 Bitcoin-Based Timed Commitment Scheme -- 5.2 The Details of Our Method -- References -- Trends, Tips, Tolls: A Longitudinal Study of Bitcoin Transaction Fees -- 1 Introduction -- 2 Background and Research Questions -- 3 Data and Method -- 4 Results -- 4.1 Trends: Descriptive Analysis -- 4.2 Tips: Explaining the Decision to Offer a Fee -- 4.3 Tolls: Mining Pools as Gatekeepers -- 5 Discussion -- 6 Concluding Remarks -- References -- ZombieCoin: Powering Next-Generation Botnets with Bitcoin -- 1 Introduction -- 2 Background -- 2.1 Botnet C&C Mechanisms -- 2.2 Bitcoin -- 3 ZombieCoin -- 3.1 Inserting C&C Instructions in Transactions -- 4 Proof of Concept -- 5 Discussion -- 6 Prior Work -- 7 Conclusion -- References -- Cuckoo Cycle: A Memory Bound Graph-Theoretic Proof-of-Work -- 1 Introduction -- 2 Motivation -- 3 Graph-Theoretic Proofs-of-work -- 4 Cuckoo Cycle -- 5 Cuckoo Hashing -- 6 Cycle Detection in Cuckoo Cycle -- 7 Union-Find -- 8 Cuckoo Cycle Basic Algorithm -- 9 Difficulty Control -- 10 Edge Trimming -- 11 Time-Memory Trade-Offs (TMTOs) -- 12 Choice of Cycle Length -- 13 Parallelization -- 14 Choice of Graph Size -- 15 Dynamic Sizing -- 16 Conclusion -- References -- When Bitcoin Mining Pools Run Dry -- 1 Introduction -- 2 Related Work -- 3 Model.
3.1 Overview -- 3.2 Players -- 3.3 Choices -- 3.4 Consequences -- 4 Model Analysis -- 4.1 Steady-State Pool Sizes -- 4.2 Steady-State Pool Utilities -- 4.3 Peaceful Equilibria -- 4.4 One-Sided Attack Equilibria -- 5 Numerical Illustrations -- 5.1 The Peaceful Equilibrium -- 5.2 One-Sided Attack Equilibria -- 6 Conclusion and Future Work -- References -- Issues in Designing a Bitcoin-like Community Currency -- Abstract -- 1 Background -- 1.1 Cryptocurrencies -- 2 Community Cryptocurrency Features -- 2.1 Mining -- 2.2 Geofencing -- 2.3 Privileged Transactions -- 2.4 Demurrage -- 2.5 The Community Loan Fund -- 2.5.1 Adding to the Community Fund -- 2.5.2 Disbursing from the Community Fund -- 3 Challenges with a Cryptocurrency Community Fund -- 3.1 Identity -- 3.2 Voting -- 3.3 Loan Regulation -- 4 Vulnerability Assessment -- 4.1 STRIDE Framework -- 4.2 The Vulnerability Matrix -- 4.3 Mitigations -- 5 Conclusion and Future Research -- References -- The Bitcoin Market Potential Index -- References -- Cryptographic Currencies from a Tech-Policy Perspective: Policy Issues and Technical Directions -- 1 Introduction -- 2 Our Process -- 3 Background: Bitcoin and Crypto Currencies -- 4 Analysis of Relevant Legal Contexts -- 5 Tech-Policy Issues for Crypto Currencies -- 5.1 Where Is the Money? -- 5.2 What About Anonymity and Pseudonymity? -- 5.3 What Happens as the World Evolves? -- 6 Conclusion -- References -- Blindcoin: Blinded, Accountable Mixes for Bitcoin -- 1 Introduction -- 1.1 Mixing Services -- 1.2 Current Bitcoin Mixing Services -- 1.3 Our Contribution -- 2 Background -- 2.1 Mixcoin Summary -- 2.2 Blind Signatures -- 3 Blindcoin Description -- 3.1 Model -- 3.2 Protocol -- 4 Analysis -- 4.1 Properties -- 4.2 Overheads -- 5 Conclusion -- References -- Privacy-Enhancing Overlays in Bitcoin -- 1 Introduction -- 2 Definitions and Notation.
2.1 Distributed Electronic Cash -- 2.2 Coinjoin -- 2.3 Taint Resistance -- 3 Achieving Taint Resistance -- 3.1 Using a Trusted Server -- 3.2 Reducing Trust in the Central Server -- 3.3 Removing the Central Server -- 4 Experimental Analysis -- 4.1 Auxiliary Information Based on Value -- 5 Related Work -- 6 Conclusions and Open Problems -- References -- Search-and-Compute on Encrypted Data -- 1 Introduction -- 1.1 Our Results -- 1.2 A High-Level Overview of Our Approach -- 1.3 Closely Related Work -- 2 Preliminaries -- 2.1 The BGV-Type SWHE Scheme -- 2.2 Security Model -- 3 Circuit Primitives -- 3.1 Equality Circuit -- 3.2 Greater-than Comparison Circuit -- 3.3 Integer Addition Circuit -- 4 Search-and-Compute on Encrypted Data -- 4.1 General-Purpose Search-and-Compute -- 4.2 Applications to Encrypted Databases -- 5 Performance Improvements -- 5.1 Larger Message Spaces with Lazy Carry Processing -- 5.2 Calibrating Circuit Primitives -- 6 Experimental Results -- 6.1 Adjusting the Parameters -- 6.2 Experiments for Search -- 6.3 Experiments for Search-and-Sum -- References -- Accelerating SWHE Based PIRs Using GPUs -- 1 Introduction -- 2 Background -- 3 GPU Implementation -- 4 Performance -- References -- Combining Secret Sharing and Garbled Circuits for Efficient Private IEEE 754 Floating-Point Computations -- 1 Introduction -- 2 Preliminaries -- 3 Combining Garbled Circuits with Secret Sharing -- 3.1 An Implementation of the Hybrid Protocol -- 3.2 Security of the Hybrid Protocol -- 4 Using the Hybrid Protocol for Efficient Computations -- 4.1 Circuits for IEEE 754 Primitives -- 4.2 Performance Analysis -- 5 Conclusion -- References -- Cryptanalysis of a (Somewhat) Additively Homomorphic Encryption Scheme Used in PIR -- 1 Introduction -- 2 Preliminaries -- 2.1 Trostle and Parrish's SHE Scheme -- 2.2 Applications to PIR -- 2.3 The Orthogonal Lattice.
3 Breaking the One-Wayness of the Scheme -- 3.1 Overview -- 3.2 Applying Orthogonal Lattice Techniques -- 3.3 Larger Message Space -- 4 Implementation of the Attack -- 4.1 Attack Summary -- 4.2 Experimental Results -- References -- Homomorphic Computation of Edit Distance -- 1 Introduction -- 2 Preliminaries -- 2.1 Homomorphic Encryption -- 2.2 Edit Distance -- 3 Circuit Building Blocks -- 3.1 Equality Circuit -- 3.2 Comparison Circuit -- 3.3 Addition Circuits -- 4 Encrypted Edit Distance Algorithm -- 4.1 Encrypted Edit Distance Algorithm -- 4.2 Performance Analysis of Encrypted Edit Distance Algorithm -- 4.3 Optimization of Encrypted Edit Distance Algorithm -- 5 Implementation and Discussions -- 5.1 Estimates -- 5.2 Experimental Result -- 6 Conclusion -- References -- HEtest: A Homomorphic Encryption Testing Framework -- 1 Introduction -- 2 Overview of Homomorphic Encryption and HElib -- 3 Test Data -- 3.1 Generation Parameters -- 3.2 Circuit and Input Generation -- 3.3 Test Suite Representation -- 3.4 SQLite Database -- 4 The Test Framework -- 4.1 The Test Harness -- 4.2 The Baseline -- 5 Report Generation -- 6 Experimental Results -- 6.1 Experimental Setup -- 6.2 Real-World Applicability -- 6.3 Parameters Tested -- 6.4 Overview of Results -- 6.5 Key Generation -- 6.6 Circuit Ingestion -- 6.7 Encryption and Decryption -- 6.8 Homomorphic Evaluation -- 6.9 Evaluation Time by Gate Type -- 7 Conclusion -- References -- Users' Privacy Concerns About Wearables -- Abstract -- 1 Introduction -- 2 Related Work -- 2.1 Privacy in Ubiquitous Computing -- 2.2 Privacy in Mobile Devices -- 2.3 Privacy in Wearable Devices -- 2.4 Users' Perspectives on Privacy -- 3 Methods -- 3.1 IRB Approval -- 3.2 Data Selection, Extraction and Analysis -- 3.3 Devices, Online Data Sources and Figures -- 4 Identifying User Privacy Concerns for Wearable Technologies.
4.1 Privacy Concerns for Wrist-Mounted Devices -- 4.1.1 General Social Implications: Unawareness -- 4.1.2 Right to Forget -- 4.1.3 Implications of Location Disclosure -- 4.1.4 Discrete Display of Confidential Information: Non-Disclosure -- 4.1.5 Lack of Access Control -- 4.1.6 Users' Fears: Surveillance and Sousveillance -- 4.2 Privacy Concerns for Head-Mounted Devices -- 4.2.1 Speech Disclosure -- 4.2.2 Surveillance, Sousveillance and Criminal Abuse -- 4.2.3 Surreptitious Audio and Video Recording: Unawareness -- 4.2.4 Surveillance, Sousveillance and Social Implications: Unawareness -- 4.2.5 Facial Recognition: Identifiability -- 4.2.6 Automatic Synchronization with Social Media: Linkability -- 4.2.7 Visual Occlusion: Non-Disclosure -- 4.3 Privacy Concerns Across Form Factors -- 5 Discussion -- 5.1 Limitations -- 6 Conclusion -- Acknowledgments -- References -- On Vulnerabilities of the Security Association in the IEEE 802.15.6 Standard -- 1 Introduction -- 2 Security Structure of the IEEE 802.15.6 Standard -- 3 Key Agreement Protocols in the IEEE 802.15.6 Standard -- 4 Security Problems -- 4.1 Protocol I -- 4.2 Protocol II -- 4.3 Protocol III -- 4.4 Protocol IV -- 5 Conclusion -- References -- Visual Cryptography and Obfuscation: A Use-Case for Decrypting and Deobfuscating Information Using Augmented Reality -- 1 Introduction -- 2 Related Work -- 3 Visual Cryptography -- 3.1 Original Version -- 3.2 Modified Version -- 3.3 Using a Seven-Segment Display -- 4 Visual Obfuscation -- 4.1 Digit Representation -- 4.2 Analysis of 2-Way Partitioning -- 4.3 Optimizing the Partitioning -- 4.4 Analysis of 4-Bar Shape -- 4.5 Analysis of 3-Way Partitioning -- 5 Results -- 6 Discussion -- 7 Conclusion -- References -- Ok Glass, Leave Me Alone: Towards a Systematization of Privacy Enhancing Technologies for Wearable Computing -- 1 Introduction -- 2 Properties.
3 Systematization of Privacy Enhancing Technologies.
Record Nr. UNINA-9910483970903321
Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 2015
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui