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» On the validity of digital signatures
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COMCOM
1999
73views more  COMCOM 1999»
13 years 8 months ago
Securing digital signatures for non-repudiation
Dispute of transactions is a common problem that could jeopardise business. Hence non-repudiation services are essential in business transactions which provide evidence to enable ...
Jianying Zhou, Kwok-Yan Lam
AISM
2004
13 years 10 months ago
Securing Web Services with XML aware Digital Signatures
The evolution of web services has facilitated the integration of business processes scattered across different geographical locations of the world. Along with the benefits that we...
Sabbir Ahmed, Leisa Armstrong
DAM
2006
121views more  DAM 2006»
13 years 8 months ago
Fine-grained forward-secure signature schemes without random oracles
We propose the concept of fine-grained forward-secure signature schemes. Such signature schemes not only provide non-repudiation w.r.t. past time periods the way ordinary forward-...
Jan Camenisch, Maciej Koprowski
ISW
2004
Springer
14 years 2 months ago
Chameleon Hashing Without Key Exposure
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...
Xiaofeng Chen, Fangguo Zhang, Kwangjo Kim
ISN
1998
Springer
14 years 9 days ago
See What You Sign: Secure Implementations of Digital Signatures
An expectation of a signature system is that a signatory cannot dispute a signature. Aiming at this, the following questions arise: Can documents in electronic commerce on the Inte...
Arnd Weber