python and openSSL
lucabel at gmail.com
Thu Sep 10 16:28:34 CEST 2009
I had already installed and tested M2Crypto.
My problem is that with this library I've not found a way to replicate the
operation that I can made with openssl.
As you can see, here:
openssl smime -decrypt -verify -inform DER -in ReadmeDiKe.pdf.p7m -noverify
No certificate is used. I can simply extract the contents of p7m and save it
on fs. And the extracted file is perfect.
following this how to, seems that a certificate is always needed, and I
don't have it.
can someone help me?
On Thu, Sep 10, 2009 at 3:56 AM, <exarkun at twistedmatrix.com> wrote:
> On 9 Sep, 01:30 pm, lucabel at gmail.com wrote:
>> Hi all.
>> I need a trick to do something like this:
>> openssl smime -decrypt -verify -inform DER -in ReadmeDiKe.pdf.p7m
>> -noverify -out ReadmeDike.pdf
>> To unwrap a p7m file and read his content.
>> I know that I could use somthing like:
>>> import os
>>>>> os.system('openssl ....')
>> but i would use a python library to wrap openssl.
>> I've already install pyOpenSSL, but I can not understand how to run the
> pyOpenSSL wraps the parts of OpenSSL which deal with S/MIME. I think that
> M2Crypto does, though I haven't used those parts of it myself.
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