20175 search results - page 125 / 4035 » Is abstraction the key to computing |
DAC
2004
ACM
16 years 1 months ago
2004
ACM
113
Voted
AINA
2005
IEEE
15 years 6 months ago
2005
IEEE
The concept of hierarchical access control is that a higher privileged user (or higher level) has the ability to access data in lower privileged user (or lower level). Hierarchica...
89
Voted
ITCC
2005
IEEE
15 years 6 months ago
2005
IEEE
As a general design criterion, a symmetric key cipher should not be closed under functional composition due to the implications on the security of the cipher. However, there are s...
112
click to vote
PKC
1998
Springer
15 years 5 months ago
1998
Springer
Signcryption, first proposed by Zheng [4,5], is a cryptographic primitive which combines both the functions of digital signature and public key encryption in a logical single step,...
132
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ACNS
2003
Springer
15 years 4 months ago
2003
Springer
Secure and reliable group communication is an increasingly active research area by growing popularity in group-oriented and collaborative application. One of the important challeng...