David Shaw wrote: > On Wed, Dec 27, 2006 at 01:25:34PM -0500, [EMAIL PROTECTED] wrote: >> is it possible to construct a gnupg signature that is the same each >> time >> for the same file (and same signing key and hash ) ? >> >> would like to do something like this for use as a truecrypt keyfile: >> >> the truecrypt volume is on a usb drive, >> the outer volume would contain the gnupg keyrings, >> the rest of the usb drive contains miscellenaous files, >> one of these is used for a keyfile for the outer volume, >> >> now, >> what i would like to do, >> is clearsign one of the many textfiles on the usb, >> and use that clearsigned textfile as a keyfile for the hidden volume >> >> >> the problem is, >> that this changes each time it is signed ;-((( >> >> is the only reason it changes because of the timestamp? >> (and then would just resetting the computer clock to time time of >> the original signing work? >> assuming it would be set to a minute or so before, and signed >> repeatedly until the timestamp was right to the second) >> >> if the timestamp is the only thing making the signature different, >> would it be possible to request a feature option where the >> timestamp is omitted? >> (this wouldn't affect open-pgp compatibility) > > DSA signatures contain random data, so even if you hacked around the > timestamp problem, the signature would not match. RSA signatures do > not contain random data. >
Err, I thought it was the other way around, which is why RSA signatures
are bigger than DSA signatures... or is the RSA signature
packaging-thing something else?
--
Alphax
Death to all fanatics!
Down with categorical imperative!
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