Multilevel security attribute passing methods, apparatuses, and computer program products in a stream
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United States of America Patent
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Sep 18, 2001
Issued Date -
N/A
app pub date -
Nov 30, 1998
filing date -
Dec 18, 1996
priority date (Note) -
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Abstract
A multilevel security attribute passing system on a computer operating under a multilevel operating system engaged in stream communications and enabling contemporaneously opening a plurality of sockets having the same port number while meeting the requirements of a predetermined security policy. The security attributes of received data are copied into a credentials structure identified by a pointer in an attribute structure. The security of a data node configured for data stream communication is specified by storing the security attributes of transferred data into a selected data structure and then pointing to the selected data structure with intervening transmission and attribute structures.
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