Dynamic and secure B2B e-contract update management
Proceedings of the 6th ACM conference on Electronic commerce
Efficient Flexible Batch Signing Techniques for Imbalanced Communication Applications
IEICE - Transactions on Information and Systems
Performance study of online batch-based digital signature schemes
Journal of Network and Computer Applications
Batching SSL/TLS handshake improved
ICICS'05 Proceedings of the 7th international conference on Information and Communications Security
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A Digital Signature is an important type of authentication ina public-key (or asymmetric) cryptographic system, and it is inwide use. The performance of an Internet server computing digitalsignatures online is limited by the high cost of modular arithmetic.One simple way to improve the performance of the server is toreduce the number of computed digital signatures by combininga set of documents into a batch in a smart way and signing eachbatch only once. This reduces the demand on the CPU but requiresextra information to be sent to clients.In this paper, we investigate performance characteristics of onlinedigital signature batching schemes. We give a semi-Markovmodel of a gated batch-based digital signature server and its approximatesolution. We validate the solutions of the analyticalmodel through both emulation and simulation. Our study showsthat significant computational benefits can be obtained from batchingwithout significant increases in the amount of additional informationthat needs to be sent to the clients.