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Groups > comp.lang.python > #86734

Re: Md5 is different in Windows and Linux

From Gene Heskett <gheskett@wdtv.com>
Subject Re: Md5 is different in Windows and Linux
Date 2015-03-02 08:07 -0500
References <CA+QVAb4D1JTnaQ5ZOaB51syt1_NePt+QeSHOxEmnhMjxr10BEQ@mail.gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.38.1425302038.13471.python-list@python.org> (permalink)

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On Monday 02 March 2015 01:19:46 Sarvagya Pant wrote:
> Hello, I am amazed that the  md5 of a file given by python in windows
> is different than that of linux. Consider the following code:
>
> import hashlib
> def md5_for_file(f, block_size=2**20):
>     md5 = hashlib.md5()
>     while True:
>         data = f.read(block_size)
>         if not data:
>             break
>         md5.update(data)
>     return md5.hexdigest()
>
> f = open("somefile.txt")
> print md5_for_file(f)
>
> When I run the program I get the checksum value:
> 2f9cc8da53ee89762a34702f745d2956
>
> But on this site http://onlinemd5.com/ and on linux it has value
> E10D4E3847713472F51BC606852712F1.
>
> Why is there difference in value of Checksum computed by python in
> windows and other system.?

Line endings?

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>

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Re: Md5 is different in Windows and Linux Gene Heskett <gheskett@wdtv.com> - 2015-03-02 08:07 -0500

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