From: Philippe Chotard <chobolt@...>
Date: 2009-03-05T04:06:06+09:00
Subject: openssl and SHA*

Hi,

I'm quite new to ruby, and I'm facing a problem I can't seem to be able
to solve  by myself..
I'm comparing openssl sha1 hash results from a linux command line, to
ruby ones :
---
cmd line :
openssl dgst -sha1 my_file

ruby :
require 'digest/sha1'
puts Digest::SHA1.hexdigest(File.read("my_file"))
---
I increase the file and run it again, and again.
The hashes are similars until the file size reaches 512Mo, from then
they differs.
I tried several sha versions (sha256..sha512) and the problem is the
same.
However with MD5, I have no problem.

Anyone has an idea if I'm doing something wrong here ?
Thanks a lot !

ChoBolT
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