Secure wipe context manager

[public]

This can only cope with bytes but might still be useful. No docs we might want the context manager to return a cdata or something too?

See also #7

[jenkins-cryptography]

Test FAILed.
Refer to this link for build results: https://jenkins.cryptography.io/job/cryptography-pr-experimental/1241/

[public]

As pointed out by @alex (and all the failing tests) this also doesn't work on PyPy.

[alex]

And even when it appears to work on CPython, it's super undefined behavior.

On Sat, Mar 22, 2014 at 10:14 AM, Alex Stapleton
notifications@github.comwrote:

As pointed out by @alex https://github.com/alex (and all the failing
tests) this also doesn't work on PyPy.

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[jenkins-cryptography]

Test FAILed.
Refer to this link for build results: https://jenkins.cryptography.io/job/cryptography-pr-experimental/1244/

[public]

Maybe we should just document that Python sucks at memory wiping somewhere then?

[public]

I'm going to close this in favour of #845 :(