Akenti Distributed Access Control Application By Jiewei Lin.

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Presentation transcript:

Akenti Distributed Access Control Application By Jiewei Lin

Overview Background Design goals Akenti specific certificates Akenti engine Akenti in use Conclusion References

Background Started at Lawrence Berkeley National Lab in 1998 Designed to solve problem of multiple resource and multiple owners Used in a public-key environment

Goals Allow different owner requirements Take immediate effect of owner requirements Support high level of integrity and non- repudiation

Akenti High Level Diagram (Credit JISC)

Akenti at a Closer View

Akenti specific certificates Policy certificates Use Condition certificates Attribute certificates Capability certificates

Akenti specific certificates (2) Shown an example

Entities in this exercise CA I CA IA (ca of Stake Holder I, and User I.) Stake Holder I User I (has Attribute Cert: ou=sjsu && job=student, and cn=User I)

Akenti Engine – Case Study I Resource: R1 Policy Cert.: trusted CA = CAI Use Cond.: ou=sjsu && job=student scope=local critical=true actions=read Permission Granted: action=read

Akenti Engine – Case Study II Resource: R2 Policy Cert.: trusted CA = CAI Use Cond.: ou=sjsu && job=student scope=subtree critical=true actions=read Permission Granted: action=read

Akenti Engine – Case Study III Resource: R2/S1 Policy Cert.: trusted CA = CA I Use Cond.: cn=User I scope=local critical=false actions=write, execute Permission Granted: action=read, write, execute

Akenti Engine – Case Study IV Resource: R3 Policy Cert.: trusted CA = CA I Use Cond.: ou=sjsu && job=student scope=local critical=true actions=read Use Cond.: time>10:00 && time <12:00 scope=local critical=true actions=write, execute Permission Granted: action=read action=write, execute if time>10:00 && time <12:00

Usage As a function As an access control using Apache module in a web server

Conclusion Mature and sophisticated authorization app. Uses flexible access control policies A useful tool

References [AK] itg.lbl.gov/security/Akenti/ itg.lbl.gov/security/Akenti/ [JISC] neral/talks/140/7.ppt neral/talks/140/7.ppt [SURA] y/sld001.htm

Questions ?