How to convert (ancient) key in "version 2" to more modern "version 4" format?

Kristian Fiskerstrand kristian.fiskerstrand at
Mon May 23 23:20:07 CEST 2016

On 05/23/2016 09:56 PM, Bjoern Kahl wrote:
>  I'd like to convert the existing secret key and the corresponding
>  public key, preferably without destroying the signatures, from
>  "version 2" to "version 4". 

This is not possible.

Kristian Fiskerstrand
Twitter: @krifisk
Public OpenPGP certificate at hkp://
fpr:94CB AFDD 3034 5109 5618 35AA 0B7F 8B60 E3ED FAE3
Primum ego, tum ego, deinde ego
First I, then I, thereafter I.

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