Secure Information Sharing

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Secure Information Sharing
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Role-Based Access Control
file system operations read, write and
execute DBMS operations Insert, delete, append
and update
Permission Assignment (PA)
User Assignment (UA)
USERS
ROLES
OPS
OBS
PRMS
session_roles
user_session
SESSIONS
Gives roles activated by the session
User is associated with a session
many-to-many relationship
one-to-many relationship
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PKC Vs AC
PKC binds a subject (DN) to a public key AC has
no public key but binds permissions (attributes)
to an entity
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System Overview
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SIS Message Flow
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Control Flow
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Results