Diffie-Hellman key distribution extended to group communication
CCS '96 Proceedings of the 3rd ACM conference on Computer and communications security
Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
Freenet: a distributed anonymous information storage and retrieval system
International workshop on Designing privacy enhancing technologies: design issues in anonymity and unobservability
Towards an analysis of onion routing security
International workshop on Designing privacy enhancing technologies: design issues in anonymity and unobservability
Security problems in the TCP/IP protocol suite
ACM SIGCOMM Computer Communication Review
Infranet: Circumventing Web Censorship and Surveillance
Proceedings of the 11th USENIX Security Symposium
Hiding Data in the OSI Network Model
Proceedings of the First International Workshop on Information Hiding
A Key Recovery Attack on Discrete Log-based Schemes Using a Prime Order Subgroupp
CRYPTO '97 Proceedings of the 17th Annual International Cryptology Conference on Advances in Cryptology
IEEE Internet Computing
New covert channels in HTTP: adding unwitting Web browsers to anonymity sets
Proceedings of the 2003 ACM workshop on Privacy in the electronic society
IP covert timing channels: design and detection
Proceedings of the 11th ACM conference on Computer and communications security
An integrated experimental environment for distributed systems and networks
OSDI '02 Proceedings of the 5th symposium on Operating systems design and implementationCopyright restrictions prevent ACM from being able to make the PDFs for this conference available for downloading
Nonesuch: a mix network with sender unobservability
Proceedings of the 5th ACM workshop on Privacy in electronic society
Tor: the second-generation onion router
SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
USENIX-SS'06 Proceedings of the 15th conference on USENIX Security Symposium - Volume 15
Proceedings of the 2007 conference on Applications, technologies, architectures, and protocols for computer communications
IEEE Transactions on Software Engineering - Special issue on computer security and privacy
Detecting covert timing channels: an entropy-based approach
Proceedings of the 14th ACM conference on Computer and communications security
Model-Based Covert Timing Channels: Automated Modeling and Evasion
RAID '08 Proceedings of the 11th international symposium on Recent Advances in Intrusion Detection
Membership-concealing overlay networks
Proceedings of the 16th ACM conference on Computer and communications security
On the risks of serving whenever you surf: vulnerabilities in Tor's blocking resistance design
Proceedings of the 8th ACM workshop on Privacy in the electronic society
Covert messaging through TCP timestamps
PET'02 Proceedings of the 2nd international conference on Privacy enhancing technologies
Hide and seek in time: robust covert timing channels
ESORICS'09 Proceedings of the 14th European conference on Research in computer security
Pass it on: social networks stymie censors
IPTPS'08 Proceedings of the 7th international conference on Peer-to-peer systems
Fighting censorship with algorithms
FUN'10 Proceedings of the 5th international conference on Fun with algorithms
Stealthier inter-packet timing covert channels
NETWORKING'11 Proceedings of the 10th international IFIP TC 6 conference on Networking - Volume Part I
Telex: anticensorship in the network infrastructure
SEC'11 Proceedings of the 20th USENIX conference on Security
CoCo: coding-based covert timing channels for network flows
IH'11 Proceedings of the 13th international conference on Information hiding
Safe and private data sharing with turtle: friends team-up and beat the system
SP'04 Proceedings of the 12th international conference on Security Protocols
Embedding covert channels into TCP/IP
IH'05 Proceedings of the 7th international conference on Information Hiding
Statistical covert channels through PROXY server
MMM-ACNS'05 Proceedings of the Third international conference on Mathematical Methods, Models, and Architectures for Computer Network Security
Ignoring the great firewall of china
PET'06 Proceedings of the 6th international conference on Privacy Enhancing Technologies
Curve25519: new diffie-hellman speed records
PKC'06 Proceedings of the 9th international conference on Theory and Practice of Public-Key Cryptography
PET'05 Proceedings of the 5th international conference on Privacy Enhancing Technologies
Preventing encrypted traffic analysis
Preventing encrypted traffic analysis
Secure communication over diverse transports: [short paper]
Proceedings of the 2012 ACM workshop on Privacy in the electronic society
Proceedings of the 2012 ACM conference on Computer and communications security
SkypeMorph: protocol obfuscation for Tor bridges
Proceedings of the 2012 ACM conference on Computer and communications security
StegoTorus: a camouflage proxy for the Tor anonymity system
Proceedings of the 2012 ACM conference on Computer and communications security
CensorSpoofer: asymmetric communication using IP spoofing for censorship-resistant web browsing
Proceedings of the 2012 ACM conference on Computer and communications security
POSTER: Identity-based steganography and its applications to censorship resistance
Proceedings of the 2013 ACM SIGSAC conference on Computer & communications security
Protocol misidentification made easy with format-transforming encryption
Proceedings of the 2013 ACM SIGSAC conference on Computer & communications security
Cover your ACKs: pitfalls of covert channel censorship circumvention
Proceedings of the 2013 ACM SIGSAC conference on Computer & communications security
A Taxonomy of Censors and Anti-Censors Part II: Anti-Censorship Technologies
International Journal of E-Politics
Validating web content with senser
Proceedings of the 29th Annual Computer Security Applications Conference
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Many users face surveillance of their Internet communications and a significant fraction suffer from outright blocking of certain destinations. Anonymous communication systems allow users to conceal the destinations they communicate with, but do not hide the fact that the users are using them. The mere use of such systems may invite suspicion, or access to them may be blocked. We therefore propose Cirripede, a system that can be used for unobservable communication with Internet destinations. Cirripede is designed to be deployed by ISPs; it intercepts connections from clients to innocent-looking destinations and redirects them to the true destination requested by the client. The communication is encoded in a way that is indistinguishable from normal communications to anyone without the master secret key, while public-key cryptography is used to eliminate the need for any secret information that must be shared with Cirripede users. Cirripede is designed to work scalably with routers that handle large volumes of traffic while imposing minimal overhead on ISPs and not disrupting existing traffic. This allows Cirripede proxies to be strategically deployed at central locations, making access to Cirripede very difficult to block. We built a proof-of-concept implementation of Cirripede and performed a testbed evaluation of its performance properties.