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PKC
2010
Springer
210views Cryptology» more  PKC 2010»
13 years 8 months ago
Algebraic Cryptanalysis of the PKC'2009 Algebraic Surface Cryptosystem
Abstract. In this paper, we fully break the Algebraic Surface Cryptosystem (ASC for short) proposed at PKC’2009 [3]. This system is based on an unusual problem in multivariate cr...
Jean-Charles Faugère, Pierre-Jean Spaenleha...
PKC
2009
Springer
175views Cryptology» more  PKC 2009»
14 years 5 months ago
Implicit Factoring: On Polynomial Time Factoring Given Only an Implicit Hint
We address the problem of polynomial time factoring RSA moduli N1 = p1q1 with the help of an oracle. As opposed to other approaches that require an oracle that explicitly outputs b...
Alexander May, Maike Ritzenhofen
PKC
2009
Springer
115views Cryptology» more  PKC 2009»
14 years 5 months ago
Compact CCA-Secure Encryption for Messages of Arbitrary Length
This paper proposes a chosen-ciphertext secure variant of the ElGamal public-key encryption scheme which generates very compact ciphertexts for messages of arbitrary length. The ci...
Masayuki Abe, Eike Kiltz, Tatsuaki Okamoto
PKC
2010
Springer
183views Cryptology» more  PKC 2010»
13 years 8 months ago
Unlinkability of Sanitizable Signatures
Sanitizable signatures allow a designated party, called the sanitizer, to modify parts of signed data such that the immutable parts can still be verified with respect to the origi...
Christina Brzuska, Marc Fischlin, Anja Lehmann, Do...
PKC
2009
Springer
172views Cryptology» more  PKC 2009»
14 years 5 months ago
CCA-Secure Proxy Re-encryption without Pairings
ded abstract of this paper appears in PKC 2009, S. Jarecki, G. Tsudik (Eds.), volume 5443 of LNCS, pp. 357-376, Sringer-Verlag, 2009. CCA-Secure Proxy Re-Encryption without Pairing...
Jun Shao, Zhenfu Cao