tree 45cccfaab8076e04a479601657e71b68f4b4f9bb
parent 37f5e88d2ee18ad524e21d0bf31d62194f0aac5e
author Alex Klyubin <klyubin@google.com> 1376960380 -0700
committer Alex Klyubin <klyubin@google.com> 1377275812 -0700

Assert that /dev/random and urandom are world-readable/writable.

This CL adds tests into CTS to assert that the Linux RNG character
devices /dev/random and /dev/urandom are world-readable and
world-writable. This is needed mainly to ensure that apps can use
/dev/urandom (and /dev/random) as sources of randomness.

Some of the existing CTS tests are already implicitly checking that
/dev/urandom is world-readable. However, it is time to stregthen the
contract and assert the world-readability/writability explicitly.

Bug: 10394220

(cherry picked from commit 85c3cbc1331f7198f8bbf9a923af7bbde0ce57c4)

Change-Id: I86beb388b2f84a9523c0264cb9b59f36a6dd7fb4