Dual-Use is a simple application developed by Ian Miller and Mr. Tines to convert PGP3 (an later) Encrypt-only and Sign-only keys it a form which can be read by freeware PGP. This converts the keys to dual-use (i.e. usable for both encryption and signing), as all PGP keys are of this form. Here are the details
Currently it is in beta-test (theoretically at least. I don't think anyone has actually tried it). It is available for Macintosh and PC.
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