Message 267818 - Python tracker

Message267818

Author	larry
Recipients	Colm Buckley, Lukasa, Theodore Tso, alex, christian.heimes, doko, dstufft, larry, lemburg, martin.panter, matejcik, ned.deily, python-dev, rhettinger, skrah, thomas-petazzoni, vstinner, ztane
Date	2016-06-08.09:31:10
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1465378270.78.0.786052578654.issue26839@psf.upfronthosting.co.za>
In-reply-to

Content
> Hi. I created the issue #27266 "Add block keyword-only optional parameter > to os.urandom()" which is compromise between all proposed solutions and > should fix all urandom issues ;-) > > * os.urandom() remains secure by default, as asked by our security experts > * Python startup (hash secret) and "import random" don't block anymore > > Happy? Probably not. What is the default value of the "block" parameter? If called with block=False on FreeBSD, where /dev/urandom may block sometimes, what does the function do?

Content

> Hi. I created the issue #27266 "Add block keyword-only optional parameter
> to os.urandom()" which is compromise between all proposed solutions and
> should fix *all* urandom issues ;-)
> 
> * os.urandom() remains secure by default, as asked by our security experts
> * Python startup (hash secret) and "import random" don't block anymore
> 
> Happy?

Probably not.

What is the default value of the "block" parameter?

If called with block=False on FreeBSD, where /dev/urandom may block sometimes, what does the function do?

History
Date	User	Action	Args
2016-06-08 09:31:10	larry	set	recipients: + larry, lemburg, rhettinger, doko, vstinner, christian.heimes, matejcik, ned.deily, alex, skrah, python-dev, martin.panter, ztane, dstufft, Lukasa, thomas-petazzoni, Colm Buckley, Theodore Tso
2016-06-08 09:31:10	larry	set	messageid: <1465378270.78.0.786052578654.issue26839@psf.upfronthosting.co.za>
2016-06-08 09:31:10	larry	link	issue26839 messages
2016-06-08 09:31:10	larry	create