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Re: 10.2 grammar (naked encrypted packets?)

To: ietf-open-pgp@xxxxxxx, tzeruch@xxxxxxxxxx
Subject: Re: 10.2 grammar (naked encrypted packets?)
From: Hal Finney <hal@xxxxxxxx>
Date: Sun, 29 Mar 1998 11:59:19 -0800
Sender: owner-ietf-open-pgp@xxxxxxx

> Noting the grammar says:
>
> OP Message :- Encrypted Message
>
> Encrypted Message :- Symmetrically Encrypted Data Packet
>
> So, a SEDP without any info how to decrypt it is a valid OP message?

Yes, that's the format PGP 2.X uses for a conventionally encrypted
message.  If there are no ESKs the SEDP is assumed to be encrypted with
IDEA, using the Simple rules to convert passphrase to key (i.e. hash
the passphrase with MD5).

Hal

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