HsOpenSSL-0.5.1: (Part of) OpenSSL binding for HaskellSource codeContentsIndex

HsOpenSSL is a (part of) OpenSSL binding for Haskell. It can generate RSA and DSA keys, read and write PEM files, generate message digests, sign and verify messages, encrypt and decrypt messages. But since OpenSSL is a very large library, it is uneasy to cover everything in it.

Features that aren't (yet) supported:

SSL network connection
ssl(3) functionalities aren't fully covered yet. See OpenSSL.Session.
Complete coverage of Low-level API to symmetric ciphers
Only high-level APIs (EVP and BIO) are fully available. But I believe no one will be lost without functions like DES_set_odd_parity.
Low-level API to asymmetric ciphers
Only a high-level API (EVP) is available. But I believe no one will complain about the absence of functions like RSA_public_encrypt.
Key generation of Diffie-Hellman algorithm
Only RSA and DSA keys can currently be generated.
X.509 v3 extension handling
It should be supported in the future.
Low-level API to message digest functions
Just use EVP instead of something like MD5_Update.
API to PKCS#12 functionality
It should be covered someday.
BIO isn't needed because we are Haskell hackers. Though HsOpenSSL itself uses BIO internally.
ENGINE cryptographic module
The default implementations work very well, don't they?

So if you find out any features you want aren't supported, you must write your own patch (or take over the HsOpenSSL project). Happy hacking.

withOpenSSL :: IO a -> IO a
withOpenSSL :: IO a -> IO aSource

Computation of withOpenSSL action initializes the OpenSSL library and computes action. Every applications that use HsOpenSSL must wrap any operations related to OpenSSL with withOpenSSL, or they might crash.

 module Main where
 import OpenSSL

 main :: IO ()
 main = withOpenSSL $
        do ...
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