gpg messages error after signing

dmdm dmdm00 at yahoo.com
Sun Mar 8 09:00:50 CET 2009


Thanks for your post.

I wonder if I might ask for an example please useing perhaps this line in
the example
-----BEGIN PGP SIGNED MESSAGE----- 

thankyou

dmdm

David Shaw wrote:
> 
> On Mar 7, 2009, at 5:28 AM, dmdm wrote:
> 
>>
>> When I sign a message that contains a gpg key what happens is that  
>> the key
>> has the '-'
>> missing at top and bottom of key. its ok before its signed .(see  
>> example
>> below)
> 
> That is a normal part of OpenPGP called "dash escaping".  Basically,  
> since your signature itself starts with a dash (as part of "-----BEGIN  
> PGP SIGNED MESSAGE-----") any other dashes, such as those surrounding  
> your key that you're including in the signed message, need to be  
> escaped so the message parser does not get confused.  The way this is  
> done is to append a "- " (a dash and a space) to the beginning of each  
> dash.
> 
> Just verify the message to check the signature, and what comes out of  
> the verification step has all the escaping removed so you can use the  
> key you included.
> 
> David
> 
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> 
> 

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