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Security Weaknesses of an "Anonymous Attribute Based Encryption" appeared in ASIACCS'13
Attribute Based Encryption Anonymity Anonymous Encryption
2016/1/5
Attribute-based Encryption (ABE) has found enormous application in fine-grained access control of shared data, particularly in public cloud. In 2013, Zhang et al proposed a scheme called match-then-d...
Security Weaknesses in Two Certificateless Signcryption Schemes
Security Weaknesses Two Certificateless Signcryption Schemes
2010/3/16
Recently, a certificateless signcryption scheme in the standard model was proposed
by Liu et al. in [1]. Another certificateless signcryption scheme in the standard model was
proposed by Xie et al. ...
Security weaknesses in two multi-server password based authentication protocols
multi-server remote password authenticationl smart card
2009/7/14
In 2004 and 2005, Tsaur et al. proposed a smart card based password authentication
schemes for multi-server environments, respectively. They claimed that their
protocols are safe and can withstand ...