[debbugs-tracker] bug#20407: closed (Doubt on md5 case sensitivity)

[GNU bug Tracking System]

Your message dated Wed, 22 Apr 2015 17:33:13 -0600
with message-id <address@hidden>
and subject line Re: bug#20407: Doubt on md5 case sensitivity
has caused the debbugs.gnu.org bug report #20407,
regarding Doubt on md5 case sensitivity
to be marked as done.

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20407: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20407
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--- Begin Message --- Subject: Doubt on md5 case sensitivity Date: Wed, 22 Apr 2015 21:06:15 +0200

Hello GNU,

Is the md5 checksum comparison case sensitive? Or is it not? I did not find the answer in your manuals. Could you please let me know in a short reply?

Thanks & Regards,

Indranil (From India)

--- End Message ---

> --- Begin Message ---
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> Subject: 
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> Re: bug#20407: Doubt on md5 case sensitivity
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> Date: 
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> Wed, 22 Apr 2015 17:33:13 -0600
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> User-agent: 
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> Mutt/1.5.23 (2014-03-12)
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> Indranil Chowdhury wrote:
> > Is the md5 checksum comparison case sensitive? Or is it not? I did not find
> > the answer in your manuals. Could you please let me know in a short reply?
>
> The comparison of the md5sum is case insensitive.  The md5sum is a
> value encoded in hexadecimal.  Case is insignificant in a hexadecimal
> value.
>
> You can prove this to yourself by trying an experiment.
>
>   /tmp$ echo a > /tmp/a
>   /tmp$ md5sum /tmp/a > /tmp/a.md5sum
>   /tmp$ cat /tmp/a.md5sum
>   60b725f10c9c85c70d97880dfe8191b3  /tmp/a
>   /tmp$ md5sum -c /tmp/a.md5sum
>   /tmp/a: OK
>   /tmp$ awk '{print toupper($1), $2}' /tmp/a.md5sum
>   60B725F10C9C85C70D97880DFE8191B3 /tmp/a
>   /tmp$ awk '{print toupper($1), $2}' /tmp/a.md5sum | md5sum -c -
>   /tmp/a: OK
>
> Please ask questions on the address@hidden mailing list rather than
> in the bug tracker.
>
> Bob
>
>
> --- End Message ---