On Jul 3, 2011, at 10:58 AM, MFPA wrote:

> On Sunday 3 July 2011 at 3:24:15 PM, in
> <mid:[email protected]>, David Shaw
> wrote:
> 
> 
> 
>> This will set your private key cipher to AES:
> 
>>   gpg --s2k-cipher-name aes --edit-key (thekey) passwd
>>   save
> 
> Is there a reason to do this?

There are some obscure edge cases where you must have a 3DES or AES encrypted 
private key, but for the overwhelming majority of people, no, there is no 
reason to do this.  The default (CAST5) is quite strong (which the original 
poster acknowledged).  It's just helpful to know what the "knobs" are to 
understand how something as complex as OpenPGP is put together.

David


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