source: examples/python_tests/evaluator_rt1/README @ 880e924

mei_rt2mei_rt2_fix_1
Last change on this file since 880e924 was f824a9e, checked in by Mei <mei@…>, 12 years ago

1) add more doc to python_tests

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1#
2# This example demonstrates linking parameterized roles and delegating across
3# institutions.  There are 4 principals USC, ISI, John, and Maryann.  USC and
4# ISI are companies, and USC owns ISI.  USC sets the policy that the manager of
5# a principal (an employee) has the role of evaluating that employee (and no
6# others).  That policy is expressed in Credential 1.  Credential 2 says that
7# ISI's assignment of manager roles is accepted by USC.  Similarly Credential 4
8# says that any ISI employee is a USC employee.
9#
10# Credential 3 encodes ISI asserting that John is the manager of Maryann and
11# credentials 5 and 6 idicate that John and Maryann are ISI employees.
12#
13# The query.py script queries that USC grants John the role of evaluator
14# of Maryann, that ISI asserts John is Maryann's manager and that John is an
15# ISI employee.
16
17# evaluator_rt1
18
19# Credential 1
20#[keyid:USC].role:evaluatorOf([principal:?K])
21#                                  <-[keyid:USC].role:managerOf([principal:?K])
22
23# Credential 2
24#[keyid:USC].role:managerOf([principal:?K])
25#                                  <-[keyid:ISI].role:managerOf([principal:?K])
26
27# Credential 3
28#[keyid:ISI].role:managerOf([keyid:Maryann]) <- [keyid:John]
29
30# Credential 4
31#[keyid:USC].role:employee <- [keyid:ISI].role:employee
32
33# Credential 5
34#[keyid:ISI].role:employee  <- [keyid:Maryann]
35
36# Credential 6
37#[keyid:ISI].role:employee <- [keyid:John]
38
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