Threshold cryptography based on asmuth-bloom secret sharing
Selçuk, Ali Aydın
21th International Symposium on Computer and Information Sciences, ISCIS 2006
935 - 942
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In this paper, we investigate how threshold cryptography can be conducted with the Asmuth-Bloom secret sharing scheme and present two novel function sharing schemes, one for the RSA signature and the other for the ElGamal decryption functions, based on the Asmuth-Bloom scheme. To the best of our knowledge, these are the first threshold cryptosystems realized using the Asmuth-Bloom secret sharing. The proposed schemes compare favorably to the earlier function sharing schemes in performance as well as in certain theoretical aspects. © Springer-Verlag Berlin Heidelberg 2006.
KeywordsElectronic document exchange
Electronic document identification systems