Keep SSL keyfile open in Python

Question

I'm using Python's ssl library with an encrypted keyfile. However every time I wrap a socket, I'm prompted for the passphrase.

Enter PEM pass phrase:

How can I give the passphrase just once, and have Python hold the decrypted key open for the lifetime of the process?

I'm very interested in the canonical openssl command line or C equivalent for this functionality also (assuming it assists in this situation).

I'd rather not resort to using subprocess and explicitly decoding/deleting the decrypted key. However if there is no alternative, a clean, secure suggestion guaranteeing the destruction and privacy of the decrypted key is welcome.

Matt Joiner · Accepted Answer · 2010-09-22 11:05:36Z

1

This issue is fixed in Python 2.7, and Python 3.2.

answered Sep 22, 2010 at 11:05

Matt Joiner

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