123 search results - page 4 / 25 » Cryptanalysis of 2R- Schemes |
CORR
2008
Springer
14 years 9 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...
AMC
2005
14 years 9 months ago
2005
Abstract. Key authentication is very important in secret communications and data security. Recently, Lee, Hwang and Li proposed a new public key authentication scheme for cryptosys...
112
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ISW
1999
Springer
15 years 1 months ago
1999
Springer
Abstract. Group signature schemes allow a group member to anonymously sign on group’s behalf. Moreover, in case of anonymity misuse, a group authority can recover the issuer of a...
66
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TCSV
2008
14 years 9 months ago
2008
Recently, a novel image scrambling (i.e., encryption) scheme without bandwidth expansion was proposed based on two-dimensional (2-D) discrete prolate spheroidal sequences (DPSS). ...
117
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CISC
2009
Springer
14 years 7 months ago
2009
Springer
Abstract. Certificateless cryptography introduced by Al-Riyami and Paterson eliminates the key escrow problem inherent in identity based cryptosystems. Even though building practic...