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» Improved Cryptanalysis of Rijndael
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CORR
2010
Springer
61views Education» more  CORR 2010»
13 years 7 months ago
An Improved DC Recovery Method from AC Coefficients of DCT-Transformed Images
Motivated by the work of Uehara et al. [1], an improved method to recover DC coefficients from AC coefficients of DCT-transformed images is investigated in this work, which finds ...
Shujun Li, Junaid Jameel Ahmad, Dietmar Saupe, C.-...
COMPSEC
2004
99views more  COMPSEC 2004»
13 years 7 months ago
An improvement of nonrepudiable threshold proxy signature scheme with known signers
In a (t, n) threshold proxy signature scheme, which is a variant of the proxy signature scheme, the proxy signature key is shared among a group of n proxy signers delegated by the ...
Shiang-Feng Tzeng, Min-Shiang Hwang, Cheng-Ying Ya...
INDOCRYPT
2010
Springer
13 years 5 months ago
Partial Key Exposure Attack on RSA - Improvements for Limited Lattice Dimensions
Abstract. Consider the RSA public key cryptosystem with the parameters N = pq, q < p < 2q, public encryption exponent e and private decryption exponent d. In this paper, cryp...
Santanu Sarkar, Sourav Sengupta, Subhamoy Maitra
CRYPTO
2003
Springer
127views Cryptology» more  CRYPTO 2003»
14 years 17 days ago
Cryptanalysis of SAFER++
This paper presents several multiset and boomerang attacks on Safer++ up to 5.5 out of its 7 rounds. These are the best known attacks for this cipher and significantly improve the...
Alex Biryukov, Christophe De Cannière, Gust...
SACRYPT
1998
Springer
257views Cryptology» more  SACRYPT 1998»
13 years 11 months ago
Cryptanalysis of RC4-like Ciphers
Abstract. RC4, a stream cipher designed by Rivest for RSA Data Security Inc., has found several commercial applications, but little public analysis has been done to date. In this p...
Serge Mister, Stafford E. Tavares