948 search results - page 119 / 190 » Attacking cryptographic schemes based on |
ISW
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Chameleon signatures are based on well established hashand-sign paradigm, where a chameleon hash function is used to compute the cryptographic message digest. Chameleon s...
IACR
2011
12 years 7 months ago
2011
Although anonymous authentication has been extensively studied, so far no scheme has been widely adopted in practice. A particular issue with fully anonymous authentication schemes...
IACR
2011
12 years 7 months ago
2011
Aggregation schemes allow to combine several cryptographic values like message authentication codes or signatures into a shorter value such that, despite compression, some notion o...
INFORMATICALT
2010
13 years 6 months ago
2010
Abstract. Delegation of rights is a common practice in the real world. We present two identitybased threshold proxy signature schemes, which allow an original signer to delegate he...
CRYPTO
2011
Springer
12 years 7 months ago
2011
Springer
In this paper, we initiate a study of zero knowledge proof systems in the presence of sidechannel attacks. Specifically, we consider a setting where a cheating verifier is allow...