Now I remember why I linked Crypt OpenPGP Brain twister, its a Short, Self Contained, Correct Example, in otherwords, more effective :)

If you modify Crypt-OpenPGP-1.06\t\12-sign.t at the first verify call, you can see that this is to be expected 

    my( $signer , $sigobj ) = $pgp->verify( Signature => $sig );
    use DDS; die Dump( [ $key_id , $sigobj->key_id, unpack('H*', $sigo
+bj->key_id ) , pack('H*',$key_id) ] );

[download]

$ARRAY1 = [
            '39F560A90D7F1559',
            "9\365`\251\r\177\25Y",
            '39f560a90d7f1559',
            "9\365`\251\r\177\25Y"
          ];

[download]

I don't know if keyid is supposed to be 8 or 10 or 16, but the round trip with pack seems to work , so key_id is correct, and the hex representation is correct

AFAIK printf would actually try to convert it, which might overflow as in 

$ perl -le " print 0x39f560a90d7f1559
Integer overflow in hexadecimal number at -e line 1.
4.17635050864817e+018

[download]

Maybe this is the private key, and you're looking for the public key? Maybe it depends on algorithm? :)

In reply to Re^5: Stumped by Crypt::OpenPGP::Signature->key_id by Anonymous Monk
in thread Stumped by Crypt::OpenPGP::Signature->key_id by mhi

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