Changing my preferences

[Werner Koch]

On Thu, 11 Jan 2001, James H. Cloos Jr. wrote:

> Between --list-packets, (the rfc?) and the src it shouldn't be too
> hard to work out what octets to change, given a desire to keep the

You can't change those bytes becuase they are signed and GnuPG check
the signature of course.  The far easiest way to change the
preferences is by editing g10/keygen.c, function
keygen_add_std_prefs() where you find this:

	buf[0] = CIPHER_ALGO_RIJNDAEL;
	buf[1] = CIPHER_ALGO_TWOFISH;
	buf[2] = CIPHER_ALGO_CAST5;
	buf[3] = CIPHER_ALGO_BLOWFISH;
	build_sig_subpkt( sig, SIGSUBPKT_PREF_SYM, buf, 4 );

Easy to change.

The go to the edit menu and change the expireation time for the main
key ("expire").  This create the new preferences.  You may want to
change the expiration time back to the old value immediatley after
that.

  Werner


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Werner Koch                                              <wk@gnupg.org>
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