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 -out ReadmeDike.pdf 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, <exar...@twistedmatrix.com> wrote: > On 9 Sep, 01:30 pm, luca...@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 >> same >> command. >> > > 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. > > Jean-Paul >
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