[issue20025] ssl.RAND_bytes() and ssl.RAND_pseudo_bytes() don't check if num is negative

[Serhiy Storchaka]

Changes by Serhiy Storchaka <storchaka at gmail.com>:


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assignee:  -> haypo
stage:  -> commit review
type:  -> crash

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20025>
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