M2crypto

zigi cezar4846 at gmail.com
Mon Feb 13 09:37:13 CET 2012


Hello,
this is must be testing time to crypt files, using just M2crypto :-)
I know this is a strange use of the library, but such is the will of
the management.




On 13 Lut, 01:28, geremy condra <debat... at gmail.com> wrote:
> On Sun, Feb 12, 2012 at 4:00 PM, Mel Wilson <mwil... at the-wire.com> wrote:
> > zigi wrote:
>
> >> Hello,
> >> M2crypto
>
> >> __init__(self, alg, key, iv, op, key_as_bytes=0, d='md5',
> >> salt='12345678', i=1, padding=1)
>
> >> I wont write app, using M2crypto and I can not understand what are the
> >> arguments:
> >> key, iv, op, salt ?
> >> What they do ?
>
> > I assume you're reading in <http://www.heikkitoivonen.net/m2crypto/api/>
> > about M2Crypto.EVP.Cipher.
>
> > Epydoc claims another victim.
>
> > I'm having a lot of trouble finding documentation.  The obvious OpenSSL
> > pages are kind of thin, too.  You might see some useful code in the EVP unit
> > tests m2crypto/tests/test_evp.py in the m2crypto installation.
>
> Not intending to be rude, but being perfectly serious: as a general
> rule, if you don't know what an IV is you're probably getting yourself
> into a lot of trouble working with low-level crypto libraries.
>
> Two suggestions:
>
> 1. Describe what you're trying to do- I'll be able to help more if I
> know what you're actually going for.
>
> 2. Try keyczar. It's not perfect, but it's a lot easier to get right.
>
> Geremy Condra




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