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17 Commits

Author SHA1 Message Date
Victor Stinner 01bdbad3e9 Don't use getentropy() on Linux 
Issue #29188: Support glibc 2.24 on Linux: don't use getentropy() function but
read from /dev/urandom to get random bytes, for example in os.urandom().  On
Linux, getentropy() is implemented which getrandom() is blocking mode, whereas
os.urandom() should not block.
 2017-01-09 11:10:41 +01:00
Benjamin Peterson 2f7d13c662 only include sys/random.h if it seems like it might have something useful (#29057) 2017-01-01 22:29:36 -06:00
Benjamin Peterson 6b1c909c08 add a specific configure check for sys/random.h (closes #28932) 2016-12-19 23:54:25 -08:00
Ned Deily 09231e657a Issue #28676: Prevent missing 'getentropy' declaration warning on macOS. 
Initial patch by Gareth Rees.
 2016-11-12 16:34:25 -05:00
Martin Panter 7740c406bc Fix typo in comment 2016-06-10 08:07:11 +00:00
Victor Stinner a87633e596 Issue #25003: os.urandom() doesn't use getentropy() on Solaris because 
getentropy() is blocking, whereas os.urandom() should not block. getentropy()
is supported since Solaris 11.3.
 2015-10-01 09:57:26 +02:00
Victor Stinner e9932451ae Issue #23115: os.urandom() now releases the GIL when the getentropy() is used 
(OpenBSD 5.6+).
 2015-03-30 11:22:13 +02:00
Victor Stinner e0a0bd6eaa Issue #23458: On POSIX, the file descriptor kept open by os.urandom() is now 
set to non inheritable
 2015-02-24 14:30:43 +01:00
Serhiy Storchaka e8d750c05b Issue #23115: Fixed compilation on OpenBSD (Py_MIN is not defined in 2.7). 2015-02-16 08:05:10 +02:00
Benjamin Peterson 27c269a1fe use getentropy when available (backport of 75ede5bec8db) (closes #23115) 2014-12-26 11:09:00 -06:00
Serhiy Storchaka 0f8f784a77 Removed duplicated words in in comments and docs. 2014-12-01 18:16:30 +02:00
Benjamin Peterson 57057a6624 PEP 466: backport persistent urandom fd (closes #21305) 
Patch from Alex Gaynor.
 2014-08-28 12:30:00 -04:00
Georg Brandl c0edadee84 Closes #15213: update comment for _PyOS_URandom 2013-10-06 18:43:19 +02:00
Antoine Pitrou f48a67b317 Issue #18756: Improve error reporting in os.urandom() when the failure is due to something else than /dev/urandom not existing. 2013-08-16 20:44:38 +02:00
Antoine Pitrou e299cae230 Issue #15340: Fix importing the random module when /dev/urandom cannot be opened. 
This was a regression caused by the hash randomization patch.
 2012-09-07 23:49:07 +02:00
Benjamin Peterson 26da920001 ensure no one tries to hash things before the random seed is found 2012-02-21 11:08:50 -05:00
Barry Warsaw 1e13eb084f - Issue #13703: oCERT-2011-003: add -R command-line option and PYTHONHASHSEED 
environment variable, to provide an opt-in way to protect against denial of
  service attacks due to hash collisions within the dict and set types.  Patch
  by David Malcolm, based on work by Victor Stinner.
 2012-02-20 20:42:21 -05:00