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IJNSEC
2007
14 years 11 months ago
2007
Recently, based on RSA and discrete logarithm with composite modulus, Huang and Chang proposed two multisignature schemes with distinguished signing authority and claimed that the...
SOUPS
2009
ACM
15 years 6 months ago
2009
ACM
This paper investigate security of graphical authentication tokens against educated guess attacks. Results of two user studies indicate that, if we use original photos as authenti...
ISPEC
2005
Springer
15 years 5 months ago
2005
Springer
Abstract. In this paper we discuss the problem of collusion secure fingerprinting. In the first part of our contribution we prove the existence of equidistant codes that can be u...
CRYPTO
2000
Springer
15 years 4 months ago
2000
Springer
Partially blind signature schemes are an extension of blind signature schemes that allow a signer to explicitly include necessary information (expiration date, collateral condition...
JCP
2010
14 years 10 months ago
2010
Generalized signcryption which proposed by Han is a new cryptographic primitive which can work as an encryption scheme, a signature scheme or a signcryption scheme [5]. However,the...