Convert "Sign Only" Primary Key

Alphax alphasigmax at gmail.com
Tue Oct 4 14:56:07 CEST 2005


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Klaus Fuerstberger wrote:
> Alphax said the following on 10/04/05 12:04:
> 
> 
>>>>a time ago I created a "Sign Only" DSA Key with an ElGamal Encrypt
>>>>Subkey. Now I noticed that it is not possible to encrypt a message with
>>>>PGP to this Public Key because PGP only sees the "sign only" primary Key
>>>>and not the encrypting subkey.
> 
> 
>>Must be a very old version of PGP...
> 
> 
> Maybe You missunderstand my procederes:
> $ gpg --gen-key
> Please select what kind of key you want:
>    (1) DSA and ElGamal (default)
>    (2) DSA (sign only)
>    (4) RSA (sign only)
> 
> Here I selected "2". After the key creation I did a:
> 
> Command> addkey
> Please select what kind of key you want:
>    (2) DSA (sign only)
>    (3) ElGamal (encrypt only)
>    (4) RSA (sign only)
>    (5) RSA (encrypt only)
> 
> Here I selected "3".
> 
> This key does not work with PGP5 for encryption. Only for signing.
> 

It may be that PGP 5 doesn't support ElGamal keys. Try adding an RSA subkey.

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