RFC 4880, "OpenPGP Message Format", November 2007

Note: This RFC has been updated by RFC 5581

Errata ID: 2200
Status: Held for Document Update
Type: Technical
Publication Format(s) : TEXT
Reported By: Constantin Hagemeier
Date Reported: 2010-04-28
Held for Document Update by: Sean Turner

Section 3.7.2.1. says:

This last possibility, the cipher algorithm number with an implicit
use of MD5 and IDEA, is provided for backward compatibility;

It should say:

This last possibility, the cipher algorithm number with an implicit
use of MD5, is provided for backward compatibility;

Notes:

The cipher algorithm is determined by the number. There is no implicit
use of IDEA.

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