On Mon, 14 Dec 2009 09:46:44 -0500 (EST), Gary Hanley wrote:
> Where do I find information about the "D" in "1024D" and the "g" in
> "4096g"? What are the other potential values?
In the source ;-). gnupg/g10/keyid.c:
int
pubkey_letter( int algo )
{
switch( algo ) {
case PUBKEY_ALGO_RSA: return 'R' ;
case PUBKEY_ALGO_RSA_E: return 'r' ;
case PUBKEY_ALGO_RSA_S: return 's' ;
case PUBKEY_ALGO_ELGAMAL_E: return 'g';
case PUBKEY_ALGO_ELGAMAL: return 'G' ;
case PUBKEY_ALGO_DSA: return 'D' ;
default: return '?';
}
}
'G' is not anymore supported; it was used for sign+encrypt Elgamal.
'r' and 's' are also not used for new keys - they have been used in
the past by a PGP variant.
> And although the answer may be obvious or intuitive, is there a source
> of information that describes the values of the "usage:" flags?
I am not sure whether it is explicitly documented. In
gnupg/doc/DETAILS you can find the assignments we have:
12. Field: Key capabilities:
e = encrypt
s = sign
c = certify
a = authentication
A key may have any combination of them in any order. In
addition to these letters, the primary key has uppercase
versions of the letters to denote the _usable_
capabilities of the entire key, and a potential letter 'D'
to indicate a disabled key.
Shalom-Salam,
Werner
--
Die Gedanken sind frei. Ausnahmen regelt ein Bundesgesetz.
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