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Re: hashlib suddenly broken

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Date Fri, 19 Sep 2014 00:17:08 +0200
From Christian Heimes <christian@python.org>
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To Larry Martell <larry.martell@gmail.com>, "python-list@python.org" <python-list@python.org>
Subject Re: hashlib suddenly broken
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On 18.09.2014 23:39, Larry Martell wrote:
> $ python
> Python 2.7.2 (default, Oct 11 2012, 20:14:37)
> [GCC 4.2.1 Compatible Apple Clang 4.0 (tags/Apple/clang-418.0.60)] on darwin
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import _hashlib
>>>> _hashlib.__file__
> '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_hashlib.so'
>>>> _hashlib.openssl_sha1()
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> ValueError: unsupported hash type
>>>> _hashlib.openssl_sha1().hexdigest()
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
> ValueError: unsupported hash type
> 

For unknown reasions your OpenSSL version doesn't support SHA-1. Please
try these two commands on the command line to check version and digest
support of your OpenSSL:

  $ echo -n '' | openssl dgst -sha1 -hex
  (stdin)= da39a3ee5e6b4b0d3255bfef95601890afd80709

  $ openssl version
  OpenSSL 1.0.1f 6 Jan 2014


Please also check which OpenSSL libcrypto is used by the _hashlib.so
shared library. On OSX otool -L should give a similar output as ldd on
Linux:

  $ otool -L
/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload/_hashlib.so

Christian

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Thread

hashlib suddenly broken Larry Martell <larry.martell@gmail.com> - 2014-09-18 10:27 -0600
  Re: hashlib suddenly broken John Gordon <gordon@panix.com> - 2014-09-18 16:47 +0000
    Re: hashlib suddenly broken Larry Martell <larry.martell@gmail.com> - 2014-09-18 13:18 -0600
      Re: hashlib suddenly broken John Gordon <gordon@panix.com> - 2014-09-18 20:21 +0000
        Re: hashlib suddenly broken Larry Martell <larry.martell@gmail.com> - 2014-09-18 15:30 -0600
  Re: hashlib suddenly broken Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-09-19 03:07 +1000
    Re: hashlib suddenly broken Chris Angelico <rosuav@gmail.com> - 2014-09-19 03:18 +1000
    Re: hashlib suddenly broken Larry Martell <larry.martell@gmail.com> - 2014-09-18 13:22 -0600
    Re: hashlib suddenly broken Larry Martell <larry.martell@gmail.com> - 2014-09-18 13:23 -0600
    Re: hashlib suddenly broken Larry Martell <larry.martell@gmail.com> - 2014-09-18 13:46 -0600
    Re: hashlib suddenly broken Ned Deily <nad@acm.org> - 2014-09-18 13:44 -0700
    Re: hashlib suddenly broken Christian Heimes <christian@python.org> - 2014-09-18 22:49 +0200
    Re: hashlib suddenly broken Larry Martell <larry.martell@gmail.com> - 2014-09-18 15:38 -0600
    Re: hashlib suddenly broken Larry Martell <larry.martell@gmail.com> - 2014-09-18 15:39 -0600
    Re: hashlib suddenly broken Christian Heimes <christian@python.org> - 2014-09-19 00:17 +0200
    Re: hashlib suddenly broken Ned Deily <nad@acm.org> - 2014-09-18 15:19 -0700
      Re: hashlib suddenly broken Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-09-19 15:00 +1000
        Re: hashlib suddenly broken Larry Martell <larry.martell@gmail.com> - 2014-09-19 09:09 -0600

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