1970 search results - page 84 / 394 » Security Without Firewalls |
150
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CCS
1999
ACM
15 years 10 months ago
1999
ACM
We introduce a technique for using an untrusted device, such as a hand-held personal digital assistant or a laptop to perform real nancial transactions without a network. We utili...
138
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COMCOM
1998
15 years 5 months ago
1998
In this note, we show that a proposed secure broadcasting scheme is insecure. We also present a modified scheme to overcome this weakness. The modified scheme has the extra adva...
163
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CORR
2011
Springer
15 years 1 months ago
2011
Springer
Abstract This paper studies the current ‘identity crisis’ caused by the substantial security, privacy and usability shortcomings encountered in existing systems for identity ma...
143
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IJNSEC
2007
15 years 5 months ago
2007
This paper presents a method that allows for securely saving a temporal sequence of data (log lines) in a file. Log lines are signed by an authority, and are thus unalterable wit...
132
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INFORMATICALT
2007
15 years 5 months ago
2007
A generalized group-oriented cryptosystem (GGOC) based on ElGamal cryptosystem was proposed by Yang et al. in 2003. This study shows that if the authorized decryption sets of users...