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EUROCRYPT
2007
Springer
13 years 11 months ago
2007
Springer
This paper shows that Py and Pypy are practically insecure. If one key is used with about 216 IVs with special differences, with high probability two identical keystreams will appe...
EUROCRYPT
2000
Springer
13 years 11 months ago
2000
Springer
In a series of papers Patarin proposes new efficient public key systems. A very interesting proposal, called 2-Round Public Key System with S Boxes, or 2R, is based on the difficul...
ICISC
2001
13 years 9 months ago
2001
Although many strong cryptanalytic tools exploit weaknesses in the data-randomizinig part of a block cipher, relatively few general tools for cryptanalyzing on the other part, the ...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
In 2005, Yang, Wang, and Chang proposed an improved timestamp-based password authentication scheme in an attempt to overcome the flaws of Yang-Shieh's legendary timestamp-base...
IJBC
2006
13 years 7 months ago
2006
As a powerful cryptanalysis tool, the method of return-map attacks can be used to extract secret messages masked by chaos in secure communication schemes. Recently, a simple defen...