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Pure Python SSL, TLS and DTLS library

License: GNU Lesser General Public License v3.0

Python 100.00%

python-flextls's Introduction

FlexTLS

FlexTLS is an open source SSL and TLS python library. It is designed to be used in SSL/TLS scanners and similar applications. It must not be used as standalone crypto library.

You can find more information in the documentation.

Features

Supported cryptographic protocols:
- SSLv2, SSLv3, TLS 1.0, TLS 1.1 and TLS 1.2
- DTLS 1.0 and DTLS 1.2
Decode and encode SSL/TLS/DTLS records
Handle fragmentation
- TLS - Handle fragmentation on the record layer
- DTLS - Handle fragmented handshake messages
Handle connection state

Install

Requirements:

Python 2.6/2.7 or Python >= 3.2
Python packages:
- six >= 1.4.1

Install:

$ pip install flextls

License

Published under the LGPLv3+ (see LICENSE for more information)

python-flextls's People

Contributors

Stargazers

Watchers

Forkers

tyll ddddavidee hph86 alex1818 tigerjibo crazyguitar movermeyer sonfack 3x-m4ch1na isabella232 videnlabs

python-flextls's Issues

API documentation

Add docstrings to generate API documentation

Do you think it is possible to add support for (client-initiated) renegotiation to flextls? This would allow pySSLScan detect both, secure and insecure client-initiated renegotiation support. Currently, pySSLScan cannot detect insecure client-initiated renegotiation support if the server supports secure renegotiations. This is due to the fact that pySSLScan relies on the system's OpenSSL library which then defaults to secure renegotiation.

Handle connection state

Handle connection state to improve parsing.

Report security level instead of key size for 3DES

Reported by @tyll for pysslscan DinoTools/pysslscan#28 :

"3DES is currently reported with 168 bits because of its key size, but the security level is only 112 bits:
https://www.ietf.org/rfc/rfc2246.txt (page 57) - IMHO it would be better to report the security level."

I think this information should be in the tls cipher suite registry.

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