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* New osrandom_engine in C
Inspired by Python/random.c and the old implementation.
Signed-off-by: Christian Heimes <christian@python.org>
* osrandom_engine
* Fix naming bug caused by search 'n replace mistake
* Make it easier to override osrandom auto-detection
* Add engine ctrl and backend API to get implementation from ENGINE
Signed-off-by: Christian Heimes <christian@python.org>
* Better test coverage, documentation, LICENSE
Signed-off-by: Christian Heimes <christian@python.org>
* Coverage is hard.
Signed-off-by: Christian Heimes <christian@python.org>
* * enable win32 check
* read() returns size_t
Signed-off-by: Christian Heimes <christian@python.org>
* Add macOS to spelling list. Remove dead code from header file.
Signed-off-by: Christian Heimes <christian@python.org>
* remove CCRandomGenerateBytes path and update getentropy to work on macOS
This change allows us to test all the engines in our CI:
* getentropy (tested by macOS sierra)
* getrandom (tested on several linux builders)
* /dev/urandom (tested on FreeBSD, OS X 10.11 and below, & older linux)
* CryptGenRandom (tested on windows builders)
I also fixed bugs preventing compilation in the getentropy code
* getentropy() returns int and is restricted to 256 bytes on macOS, too.
Signed-off-by: Christian Heimes <christian@python.org>
* add versionadded
* Re-add import of os module
* Fixes related to Alex's recent review.
Signed-off-by: Christian Heimes <christian@python.org>
* Add error reporting and fail for EAGAIN
Add error reporting strings for various error cases. This gives us much
nicer and understandable error messages.
SYS_getrandom() EAGAIN is now an error. Cryptography refuses to
initialize its osrandom engine when the Kernel's CPRNG hasn't been
seeded yet.
Signed-off-by: Christian Heimes <christian@python.org>
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