From: Doug Jolley <ddjolley@...>
Date: 2010-06-24T03:13:35+09:00
Subject: MD5 Checksum of a String

The script shown in Exhibit A submits a test string to 3 different
methods for generating a hex MD5 checksum.  The resulting output
obtained from running the script is shown in Exhibit B.  The two
Ruby-based methods produce the same result; but, that result differs
from the result obtained from openssl.  Can someone please tell me why
this is?  I have read the archives relating to similar issues but those
seem to involve use of Windows, slightly differing files, etc. I don't
think any of those discussions apply to this issue.  Thanks for any
input.

EXHIBIT A - Script

require 'digest/md5'
require 'md5'
test_string='My dog has fleas.'
puts(Digest::MD5.hexdigest(test_string))
puts(MD5.md5(test_string))
puts(`echo #{test_string} | openssl md5`)

EXHIBIT B - Output obtained from Running Script

ac91a8d0eccbd49f5b2b971db6620c3b
ac91a8d0eccbd49f5b2b971db6620c3b
e1eda5428bf76f362a0a7b5b91315ff8
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