From: Eivind Eklund <eeklund@...>
Date: 2004-11-05T16:54:02+09:00
Subject: Re: manipulating Digest state

On Fri, 5 Nov 2004 14:16:08 +0900, leon breedt <bitserf@gmail.com> wrote:
> Hi,
> 
> Perhaps this is not possible, but I was wondering if there was a way
> to save/load the state of a Digest. Not the digest value itself but
> the state that gives a particular digest value.

Unless the Digest class is "special", you should be able to just data
= Marshal.dump(digest) and restoire with Marshal.load(data).

> Is this at all feasible? (Leaving security/integrity concerns aside).

Yes.  The security side is also fairly OK (primary new issues:
Synchronized disk writes and access permissions to aborted fil;e and
serialized Digest, and the increased corruption time window.)

Eivind.
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