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benhagen/ssl_ciphers.py

Created March 12, 2013 22:25
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Enumerate locally supported SSL/TLS ciphers in Python / M2Crypto
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ssl_ciphers.py
#!/usr/bin/env python
from M2Crypto import SSL
versions = ["sslv2", "sslv23", "sslv3", "tlsv1"]
ciphers = []
for version in versions:
ctx = SSL.Context(version, weak_crypto=True)
conn = SSL.Connection(ctx)
cipher_stack = conn.get_ciphers()
for cipher in cipher_stack:
print "%s\t%s" % (version, cipher)
@benhagen
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This turned out to be easy, but was hard to find any details on. Essentially you connect to yourself with each SSL version and see what ciphers are available. The command line version:

openssl ciphers -v

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