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Some compatibility polish for PGP2. Add a fake IDEA preference for v3

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keys (this is in the RFC), so that they can be (sometimes) used along
OpenPGP keys.  Do not force using IDEA on an OpenPGP key, as this may
violate its prefs.
Also, revise the help text for the sig class explanation.
This commit is contained in:
David Shaw 2002-01-22 20:39:10 +00:00
parent 5a92c6052f
commit 1dbd67b96a
9 changed files with 94 additions and 17 deletions
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11
g10/pkclist.c
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@ -966,8 +966,15 @@ select_algo_from_prefs( PK_LIST pk_list, int preftype )
u32 mask[8];
memset( mask, 0, 8 * sizeof *mask );
if( preftype == PREFTYPE_SYM )
mask[0] |= (1<<2); /* 3DES is implicitly there */
if( preftype == PREFTYPE_SYM ) {
if( pkr->pk->version < 4 && pkr->pk->selfsigversion < 4 )
mask[0] |= (1<<1); /* IDEA is implicitly there for v3 keys
with v3 selfsigs (rfc2440:12.1).
This doesn't mean it's actually
available, of course. */
else
mask[0] |= (1<<2); /* 3DES is implicitly there for everyone else */
}
if (pkr->pk->user_id) /* selected by user ID */
prefs = pkr->pk->user_id->prefs;