Abstract
The concept of designated confirmer signatures was introduced by Chaum [Cha94] to improve a shortcoming of undeniable signatures. The present paper formalizes the definition of designated confirmer signatures and proves that a designated confirmer signature scheme is equivalent to a public-key encryption scheme with respect to existence. In addition, the paper proposes practical designated confirmer signature schemes which are more efficient in signing than the previous scheme [Cha94].
Cite
CITATION STYLE
Okamoto, T. (1994). Designated confirmer signatures and public-key encryption are equivalent. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 839 LNCS, pp. 61–74). Springer Verlag. https://doi.org/10.1007/3-540-48658-5_8
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