[pycrypto] RIPEMD-160 self-test failure

[Legrandin]

Hi,

You most probably get PyCrypto compiled in little-endian mode but your
router is big endian. There is no clean way to solve this other than
manually forcing 'PCT_BIG_ENDIAN' to be 1 in setup.py.

L.

2015-10-28 12:03 GMT+01:00 Jeffery To <jeffery.to at gmail.com>:
> Hi,
>
> I'm trying to cross-compile PyCrypto 2.6.1 for OpenWrt (Chaos Calmer 15.05,
> targeting ar71xx). The library compiled without any fatal errors and I'm
> able to package and install on my router (TP-Link TL-MR3020).
>
> To be sure it's working correctly, I transferred setup.py to my router and
> ran the self-test. All the tests passed except for the 9 RIPEMD-160 hash
> tests. The library function(s) seem to return normally, but the returned
> hash is incorrect, e.g.:
>
> FAIL: runTest (Crypto.SelfTest.Hash.common.HashSelfTest)
> RIPEMD #1: '' (empty string)
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>   File "/usr/lib/python2.7/site-packages/Crypto/SelfTest/Hash/common.py",
> line 88, in runTest
>     self.assertEqual(self.expected, out1)   # h = .new(); h.update(data);
> h.digest()
> AssertionError: '9c1185a5c5e9fc54612808977ee8f548b2258d31' !=
> '7c7c0f550ddb9e5ebf157869ea147e65cb89bb0e'
>
> I'm unsure how to proceed at this point; my searches on Google haven't
> returned any relevant results. What area/library/etc should I
> investigate/debug to fix this? Any help would be appreciated.
>
> Thanks!
> Jeff
>
>
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