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POEncrypted PayPal buttons on AppEngine python for PayPay web payments standard?
 

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  1. POEncrypted PayPal buttons on AppEngine python for PayPay web payments standard?
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    <p>I'm looking for an example of creating encrypted forms for paypal from appEngine running python. I've seen a lot of things that are in the neighborhood, but not the right address:</p> <p>Here's the general info <a href="https://cms.paypal.com/us/cgi-bin/?&amp;cmd=_render-content&amp;content_ID=developer/e_howto_html_encryptedwebpayments#id08A3I0P017Q" rel="nofollow noreferrer">over on PayPal's site</a> for generating the encrypted form. Basically the form data is encrypted and sent over to paypal so that it can't be tampered with.</p> <p>This <a href="http://jonatkinson.co.uk/paypal-encrypted-buttons-django/" rel="nofollow noreferrer">great article</a> talks about doing this very thing in django. The trouble is that is relies on M2Crypto and that doesn't run on AppEngine.</p> <p>There's a <a href="https://github.com/jdennes/django-paypal-appengine" rel="nofollow noreferrer">library</a> that is based on the previous article but supposed to be hacked to run on app engine. When you poke around class PayPalEncryptedPaymentsForm they are using M2Crypto.</p> <p>This lead me to try to verify that you <a href="https://stackoverflow.com/questions/8838855/importing-m2crypto-to-google-app-engine">can't use M2Crypto on AppEngine</a>.</p> <p>Turns out during this search I found <a href="http://hustoknow.blogspot.com/2012/01/using-pycrypto-instead-of-m2crypto-on.html" rel="nofollow noreferrer">this article</a> about using PyCrypto instead of M2Crypto. There's a bunch of caveats in the article that aren't in my areas of expertise. I'm hoping that someone out there has made a run at using PyCrypto for PayPal's Encrypted Website Payments and can shed some light with an example.</p> <p>Thanks.</p>
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    1. COHave you looked at pycrypto? That's provided on App Engine.
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    2. COI did to the extent i mention in the last paragraph with the link to the article about using PyCrypto instead of M2Crypto.
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