bugtraq - Re: Combining Hashes

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Message-ID: <20050219113222.GA7473@qodiga.com>
Date: Sat, 19 Feb 2005 08:32:22 -0300
From: Felix Cuello <felix@...iga.com>
To: bugtraq@...urityfocus.com
Subject: Re: Combining Hashes

On Fri, Feb 18, 2005 at 10:24:19AM -0500, Kent Borg wrote:
> Concatenating two different hashes, for example SHA-1 and MD5,
> ...

SHA and MD5 are weak algorithms [and we do not use it since now]. But
what about old digitally signed documents? There is a protocol to
re-sign our old digitally signed documents [hashed using SHA or MD5]?

regards,

F.

-- 
Félix Cuello
felix@...iga.com
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