345 search results - page 30 / 69 » On the Security of a Variation of Cramer-Shoup's Public Key ... |
IACR
2011
12 years 7 months ago
2011
We study the problem of authentication based on a weak key in the information-theoretic setting. A key is weak if its min-entropy is an arbitrary small fraction of its bit length. ...
ASIACRYPT
2000
Springer
13 years 11 months ago
2000
Springer
We consider a problem which was stated in a request for comments made by NIST in the FIPS97 document. The question is the following: Can we have a digital signature public key infr...
ASIACRYPT
2004
Springer
14 years 24 days ago
2004
Springer
Abstract. An authenticated group key exchange (AGKE) scheme allows a group of users in a public network to share a session key which may later be used to achieve desirable cryptogr...
IJNSEC
2007
13 years 7 months ago
2007
We describe an identity based signature scheme that uses biometric information to construct the public key. Such a scheme would be beneficial in many repudiation situations for e...
AMC
2005
13 years 7 months ago
2005
A multisignature scheme for specified group of verifiers needs a group of signers' cooperation to sign a message to a specified group of verifiers that must cooperate to check...