A method for obtaining digital signatures and public-key cryptosystems
Communications of the ACM
The Design and Analysis of Computer Algorithms
The Design and Analysis of Computer Algorithms
Parameter Selection for Server-Aided RSA Computation Schemes
IEEE Transactions on Computers
Speeding Up Secret Computations with Insecure Auxiliary Devices
CRYPTO '88 Proceedings of the 8th Annual International Cryptology Conference on Advances in Cryptology
More Flexible Exponentiation with Precomputation
CRYPTO '94 Proceedings of the 14th Annual International Cryptology Conference on Advances in Cryptology
On Verifiable Implicit Asking Protocols for RSA Computation
ASIACRYPT '92 Proceedings of the Workshop on the Theory and Application of Cryptographic Techniques: Advances in Cryptology
Secure Acceleration of DSS Signatures Using Insecure Server
ASIACRYPT '94 Proceedings of the 4th International Conference on the Theory and Applications of Cryptology: Advances in Cryptology
Attacks on protocols for server-aided RSA computation
EUROCRYPT'92 Proceedings of the 11th annual international conference on Theory and application of cryptographic techniques
Fast exponentiation with precomputation
EUROCRYPT'92 Proceedings of the 11th annual international conference on Theory and application of cryptographic techniques
Multi-round passive attacks on server-aided RSA protocols
Proceedings of the 7th ACM conference on Computer and communications security
Accelerating Key Establishment Protocols for Mobile Communication
ACISP '99 Proceedings of the 4th Australasian Conference on Information Security and Privacy
Virtual Software Tokens - A Practical Way to Secure PKI Roaming
InfraSec '02 Proceedings of the International Conference on Infrastructure Security
Speeding up Exponentiation using an Untrusted Computational Resource
Designs, Codes and Cryptography
Improving secure server performance by re-balancing SSL/TLS handshakes
ASIACCS '06 Proceedings of the 2006 ACM Symposium on Information, computer and communications security
Server-Aided Verification Signatures: Definitions and New Constructions
ProvSec '08 Proceedings of the 2nd International Conference on Provable Security
Improved server assisted signatures
Computer Networks: The International Journal of Computer and Telecommunications Networking
Securely outsourcing linear algebra computations
ASIACCS '10 Proceedings of the 5th ACM Symposium on Information, Computer and Communications Security
Speeding up secure sessions establishment on the internet
ICISC'02 Proceedings of the 5th international conference on Information security and cryptology
Provably secure server-aided verification signatures
Computers & Mathematics with Applications
Cloud computing without seeing
Proceedings of the First International Workshop on Security and Privacy Preserving in e-Societies
Security analysis of a server-aided RSA key generation protocol
ISPEC'06 Proceedings of the Second international conference on Information Security Practice and Experience
Secure outsourcing of sequence comparisons
PET'04 Proceedings of the 4th international conference on Privacy Enhancing Technologies
A new key exchange protocol based on MQV assuming public computations
SCN'06 Proceedings of the 5th international conference on Security and Cryptography for Networks
Cryptanalysis of server-aided RSA key generation protocols at MADNES 2005
ATC'07 Proceedings of the 4th international conference on Autonomic and Trusted Computing
New methods of secure outsourcing of scientific computations
The Journal of Supercomputing
Secure outsourced computation of iris matching
Journal of Computer Security
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Small units like chip cards have the possibility of computing, storing and protecting data. Today such chip cards have limited computing power, then some cryptoprotocols are too slow. Some new chip cards with secure fast coprocessors are coming but are not very reliable at the moment and a little bit expensive for some applications. In banking applications there are few servers (ATM) relative to many small units: it is a better strategy to put the computing power into few large servers than into the not-very-often used cards.A possible solution is to use the computing power of the (insecure) server to help the chip card. But it remains an open question whether it is possible to accelerate significantly RSA signatures using an insecure server with the possibility of active attacks: that is, when the server returns false values to get some part of secret from the card.In this paper, we propose a new efficient protocol for accelerating RSA signatures, resistant against all known active and passive attacks. This protocol does not use expensive precomputations; the computation done by the card, the used RAM and the data transfers between the card and the server are small. With current chip cards it is thus possible to implement efficiently this protocol.