Roundup Robot added the comment:
New changeset 28b465d8c519 by Victor Stinner in branch 'default':
Issue #22181: os.urandom() now releases the GIL when the getrandom()
https://hg.python.org/cpython/rev/28b465d8c519
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Python tracker
Changes by STINNER Victor victor.stin...@gmail.com:
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resolution: - fixed
status: open - closed
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Arfrever Frehtes Taifersar Arahesis added the comment:
New changeset 4491bdb6527b by Victor Stinner in branch 'default':
Issue #22181: The availability of the getrandom() is now checked in configure,
https://hg.python.org/cpython/rev/4491bdb6527b
You forgot to run aclocal, which resulted in
Roundup Robot added the comment:
New changeset b8ceb071159f by Victor Stinner in branch 'default':
Issue #22181: Run aclocal; autoconf; autoheader to regenerate configure
https://hg.python.org/cpython/rev/b8ceb071159f
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Python tracker
Roundup Robot added the comment:
New changeset 8c73af0b3cd9 by Victor Stinner in branch 'default':
Issue #22181: Fix dev_urandom_noraise(), try calling py_getrandom() before
https://hg.python.org/cpython/rev/8c73af0b3cd9
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Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com:
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stage: needs patch - resolved
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STINNER Victor added the comment:
Oh, test_os now fails on Linux because os.urandom() doesn't use a file
descriptor anymore. The test should be skipped when getrandom() is used. The
test is already skipped when getentropy() is used.
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resolution: fixed -
status: closed - open
Roundup Robot added the comment:
New changeset 4491bdb6527b by Victor Stinner in branch 'default':
Issue #22181: The availability of the getrandom() is now checked in configure,
https://hg.python.org/cpython/rev/4491bdb6527b
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Python tracker
Roundup Robot added the comment:
New changeset 1fc32bf069ff by Victor Stinner in branch 'default':
Issue #22181: On Linux, os.urandom() now uses the new getrandom() syscall if
https://hg.python.org/cpython/rev/1fc32bf069ff
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nosy: +python-dev
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Changes by STINNER Victor victor.stin...@gmail.com:
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resolution: - fixed
status: open - closed
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STINNER Victor added the comment:
random-2.patch: updated patch (I don't understand why random.patch doesn't
apply cleanly).
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Added file: http://bugs.python.org/file38330/random-2.patch
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STINNER Victor added the comment:
Commit in the Linux kernel:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c6e9d6f38894798696f23c8084ca7edbf16ee895
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Here is a patch to use the new getrandom() syscall of Linux 3.17 in the Python
function os.urandom().
The
Changes by STINNER Victor victor.stin...@gmail.com:
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type: enhancement - security
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STINNER Victor added the comment:
This issue is specific to Linux: it depends on the Linux kernel version and we
are waiting until the new syscall is available in the C library (especially the
glibc). For these reasons, I prefer to open a new specific issue for OpenBSD,
since they release the
STINNER Victor added the comment:
Since this is a Linux-specific issue (see the title), you should create a
separate issue for OpenBSD support.
700eb415 opened the issue #22542 for arc4random().
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Christian Heimes added the comment:
Let's not be early adopters here. I suggest we wait until glibc has a proper
interface.
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700eb415 added the comment:
OpenBSD already provides high quality pseudorandom numbers from arc4random(). I
don't think this would make us early adopters since it has been around for
some time on this platform.
It's also worth mentioning that getentropy() is not recommended in use for
normal
Changes by Arfrever Frehtes Taifersar Arahesis arfrever@gmail.com:
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nosy: +Arfrever
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Antoine Pitrou added the comment:
This issue is about Linux support. Does the glibc have arc4random? I can't find
it on my Ubuntu 13.10 system.
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Alex Gaynor added the comment:
As I said on the other ticket, using arc4random() indiscriminately would be a
very poor idea, on some platforms (such as OS X) arc4random() really does use
ARC4, which means there are serious security concerns with it.
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700eb415 added the comment:
While I agree it may not be wise to use arc4random() globally, OpenBSD is
unlikely to create a duplicate interface since it's already available.
Python is currently unusable in chroots on that platform without reducing the
security of the host partition by removing
Antoine Pitrou added the comment:
Since this is a Linux-specific issue (see the title), you should create a
separate issue for OpenBSD support. Bonus points if you want to submit a patch
as well :-)
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Charles-François Natali added the comment:
Note that I'm not fussed about it: far from simplifying the code, it
will make it more complex, thus more error-prone.
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STINNER Victor added the comment:
The Linux kernel 3.17 has been released with the new getrandom() syscall.
glibc request to implement the function in the C library:
https://sourceware.org/bugzilla/show_bug.cgi?id=17252
Bug 17252 - getrandom and getentropy syscall
It looks like nobody asks for
Changes by Jakub Wilk jw...@jwilk.net:
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nosy: +jwilk
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anand jeyahar added the comment:
Hi,
This will need latest kernel to develop, fix and test. I (on Debian 7)
couldn't find the latest kernel, but picked up ubuntu kernel from here
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17-rc7-utopic/. I picked up
the latest i.e:
700eb415 added the comment:
It's worth noting that LibreSSL has now enabled the blocked code. If anyone is
interested, I would be willing to help port it.
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nosy: +700eb415
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Changes by Josh Rosenberg shadowranger+pyt...@gmail.com:
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nosy: +josh.rosenberg
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STINNER Victor added the comment:
Manual page of the OpenBSD getentropy() function:
http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/getentropy.2
LibreSSL didn't wait for the libc, search for getentropy_getrandom():
Changes by Christian Heimes li...@cheimes.de:
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nosy: +christian.heimes
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New submission from STINNER Victor:
The future Linux kernel 3.17 will have a new getrandom() syscall which avoids
the need of a file descriptor:
http://lwn.net/Articles/606141/
The file descriptor of os.urandom() causes perfomance issues and surprising
bugs: #18756, #21207.
I don't know when
Changes by Alex Gaynor alex.gay...@gmail.com:
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nosy: +alex
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Changes by Antoine Pitrou pit...@free.fr:
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stage: - needs patch
type: - enhancement
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Changes by Antoine Pitrou pit...@free.fr:
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nosy: +neologix
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