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Re: Problems with certificates.

To: Bill Stewart <[email protected]>
Subject: Re: Problems with certificates.
From: Derek Atkins <[email protected]>
Date: Mon, 04 Mar 1996 11:35:22 EST
Cc: "A. Padgett Peterson P.E. Information Security" <[email protected]>, [email protected]
In-Reply-To: Your message of "Sat, 02 Mar 1996 13:21:59 PST." <[email protected]>
Sender: [email protected]

Just a quick clarification...

> PGP KeyIDs are 8 hexes long (formerly 6), and there have been some natural
> collisions and it's easy to manufacture them.  On the other hand,
> the MD5 hash used for key fingerprints is 128 bits long, and
> cryptographically strong.

The printable part of the keyid is 8 hexes long.  The internal keyID
that PGP uses for choosing keys is actually 8 bytes, not 8 hexes.
Besides, its not the length that matters, but the security.

-derek

References:
- Re: Problems with certificates.
  - From: Bill Stewart <[email protected]>

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