tree 21d8659f6f74ece1202f939f0bfde52e4cab8540
parent 444d75145f17e0cbfd232eb64eb2dd9dc10b43b1
author Robert Hahn <hahnr@google.com> 1534455260 -0700
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1534484653 +0000

[wlan][rsn] Make nonce generator thread safe

This is a preparation for moving the nonce generator into the
station and spawn exactly one such generator per station per
system boot up.
Sharing a single instance of such a generator between multiple,
potentially concurrent handshakes requires it to be thread safe.

Test=wlan_rsn_lib_test_rustc

NET-1338

Change-Id: I9c929e9378862579d608c0dd095c5562c5217214