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IJNSEC
2006
14 years 9 months ago
2006
The cryptosystem proposed by Koyama is not semantically secure. Also, it is not secure against partial known plaintext attack, linearly related plaintext attack and low exponent a...
EUROCRYPT
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. MD5 is one of the most widely used cryptographic hash functions nowadays. It was designed in 1992 as an improvement of MD4, and its security was widely studied since then...
FSE
2008
Springer
14 years 11 months ago
2008
Springer
We show that the LASH-x hash function is vulnerable to attacks that trade time for memory, including collision attacks as fast as 2(4x/11) and preimage attacks as fast as 2(4x/7) ....
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ACSW
2006
14 years 11 months ago
2006
Today's Internet is extremely vulnerable to Distributed Denial of service (DDoS) attacks. There is tremendous pressure on the sites performing online business and ISP's ...
CCS
2003
ACM
15 years 2 months ago
2003
ACM
Network based intruders seldom attack directly from their own hosts, but rather stage their attacks through intermediate “stepping stones” to conceal their identity and origin...