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I'm reading RFC4880 in an attempt to produce an implementatdion of a subset
of OpenPGP (RSA signatures) using <http://phpseclib.sourceforge.net/>. I
have the publickey and compression-literal-signature packets parsed out. I
can extract n and e and feed them to Crypt_RSA to construct a verifier. I
tell it I'm using sha256. It then needs a "message" and a "signature"
parametre. I get the signature data out of the signature packet no problem.
The question I have is: what is "message"? According to section 5.2.4 it's
some combination of the literal data packet(s?) (their bodies or the whole
packet?) and the "hashed" subpackets. Do I just concat all the data packets
and the hashed packets together in the order they appear?
Thanks.
- --
Stephen Paul Weber, @singpolyma
Please see <http://singpolyma.net> for how I prefer to be contacted.
edition right joseph
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