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#!/usr/bin/env python
"""
Unit tests for M2Crypto.EVP.
Copyright (c) 2004-2005 Open Source Applications Foundation
Author: Heikki Toivonen
"""
import unittest
from M2Crypto import EVP, RSA, util
class EVPTestCase(unittest.TestCase):
def _gen_callback(self, *args):
pass
def _pass_callback(self, *args):
return 'foobar'
def _assign_rsa(self):
rsa = RSA.gen_key(512, 3, callback=self._gen_callback)
pkey = EVP.PKey()
pkey.assign_rsa(rsa, capture=0) # capture=1 should cause crash
return rsa
def check_assign(self):
rsa = self._assign_rsa()
rsa.check_key()
def check_pem(self):
rsa = RSA.gen_key(512, 3, callback=self._gen_callback)
pkey = EVP.PKey()
pkey.assign_rsa(rsa)
assert pkey.as_pem(callback=self._pass_callback) != pkey.as_pem(cipher=None)
self.assertRaises(ValueError, pkey.as_pem, cipher='noXX$$%%suchcipher',
callback=self._pass_callback)
def check_as_der(self):
rsa = RSA.gen_key(512, 3, callback=self._gen_callback)
pkey = EVP.PKey()
pkey.assign_rsa(rsa)
der_blob = pkey.as_der()
#A quick but not thorough sanity check
assert len(der_blob) == 92
def check_MessageDigest(self):
md = EVP.MessageDigest('sha1')
assert md.update('Hello') == 1
assert util.octx_to_num(md.final()) == 1415821221623963719413415453263690387336440359920
def check_as_der(self):
rsa = RSA.gen_key(512, 3, callback=self._gen_callback)
pkey = EVP.PKey()
pkey.assign_rsa(rsa)
der_blob = pkey.as_der()
#A quick but not thorough sanity check
assert len(der_blob) == 92
def check_size(self):
rsa = RSA.gen_key(512, 3, callback=self._gen_callback)
pkey = EVP.PKey()
pkey.assign_rsa(rsa)
size = pkey.size()
assert size == 64
def suite():
return unittest.makeSuite(EVPTestCase, 'check')
if __name__ == '__main__':
unittest.TextTestRunner().run(suite())
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