A digital signature scheme secure against adaptive chosen-message attacks
SIAM Journal on Computing - Special issue on cryptography
Journal of Computer Security
Password authentication with insecure communication
Communications of the ACM
A method for obtaining digital signatures and public-key cryptosystems
Communications of the ACM
The BiBa one-time signature and broadcast authentication protocol
CCS '01 Proceedings of the 8th ACM conference on Computer and Communications Security
A Digital Signature Based on a Conventional Encryption Function
CRYPTO '87 A Conference on the Theory and Applications of Cryptographic Techniques on Advances in Cryptology
Efficient Identification and Signatures for Smart Cards
CRYPTO '89 Proceedings of the 9th Annual International Cryptology Conference on Advances in Cryptology
On Certificate Revocation and Validation
FC '98 Proceedings of the Second International Conference on Financial Cryptography
Yaksha: augmenting Kerberos with public key cryptography
SNDSS '95 Proceedings of the 1995 Symposium on Network and Distributed System Security (SNDSS'95)
Networked Cryptographic Devices Resilient to Capture
SP '01 Proceedings of the 2001 IEEE Symposium on Security and Privacy
Efficient Certificate Revocation
Efficient Certificate Revocation
Leak-Free Group Signatures with Immediate Revocation
ICDCS '04 Proceedings of the 24th International Conference on Distributed Computing Systems (ICDCS'04)
Certificate revocation and certificate update
SSYM'98 Proceedings of the 7th conference on USENIX Security Symposium - Volume 7
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EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
Efficient certification path discovery for MANET
EURASIP Journal on Wireless Communications and Networking
EURASIP Journal on Wireless Communications and Networking - Special issue on security and resilience for smart devices and applications
A survey on mobile digital signature models
Proceedings of the 12th International Conference on Electronic Commerce: Roadmap for the Future of Electronic Business
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One of the major recent trends in computing has been towards so-called smart devices, such as PDAs, cell phones and sensors. Such devices tend to have a feature in common: limited computational capabilities and equally limited power, as most operate on batteries. This makes them ill-suited for public key signatures. This article explores practical and conceptual implications of using Server-Aided Signatures (SAS) for these devices. SAS is a signature method that relies on partially-trusted servers for generating (normally expensive) public key signatures for regular users. Although the primary goal is to aid small, resource-limited devices in signature generation, SAS also offers fast certificate revocation, signature causality and reliable timestamping. It also has some interesting features such as built-in attack detection for users and DoS resistance for servers. Our experimental results also validate the feasibility of deploying SAS on smart devices.