[issue8813] SSLContext doesn't support loading a CRL

[Christian Heimes]

Christian Heimes added the comment:

My patch is inspired by mod_ssl:

http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/ssl/ssl_engine_init.c?view=markup#l697

CRLs can already be loaded with SSLContext.load_verify_locations(). The patch exposes the verification flags of SSLContext's X509_STORE. With X509_V_FLAG_CRL_CHECK OpenSSL requires (!) a CRL that matches the issuer of leaf certificate of the chain (the peer's cert). X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL also requires CRLs for all intermediate certs of the peer's cert chain.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8813>
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