What does the "sub" entry of a key mean?

Ingo Klöcker kloecker at kde.org
Sun Jan 16 17:41:02 CET 2011

On Sunday 16 January 2011, Bo Berglund wrote:
> On Sun, 16 Jan 2011 14:06:50 +0100, Werner Koch <wk at gnupg.org> wrote:
> >On Sat, 15 Jan 2011 21:21, jrollins at finestructure.net said:
> >> describes in detail the meaning of the --with-colons output.  It's
> >> exactly the reference you're looking for when writing a program to
> >> parse the --with-colons output.
> >
> >FWIW, gpgme provides a reference implementation for it.  In general
> >I suggest to use gpgme because it provides a well maintained API to
> >GnuPG. Many programs use gpgme; Debian lists 37 direct
> >dependencies.
> What is gpgme? I found a very short reference on the GPG website:
> http://www.gnupg.org/gpgme.html
> But it talks about a "library" that applications should use to access
> gpg. What does "library" mean?

A library is similar to what in Pascal/Delphi is called a unit.

> I looked at the download, but it looks like a source tree for some
> kind of C program. :-(

Well, it's the source tree of a C library.

> I am programming in Pascal (Delphi or Lazarus with FPC).

Then you'll need a Pascal-binding for gpgme. A quick Google search 
yielded bindings for many languages (e.g. Python, Ruby, C#/.NET), but 
not Pascal.

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