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* keygen.c (make_backsig): If DO_BACKSIGS is not defined, do not create

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backsigs.

* getkey.c (merge_selfsigs_subkey): Find 0x19 backsigs on subkey selfsigs
and verify they are valid.  If DO_BACKSIGS is not defined, fake this as
always valid.

* packet.h, parse-packet.c (parse_signature): Make parse_signature
non-static so we can parse 0x19s in self-sigs.

* main.h, sig-check.c (check_backsig): Check a 0x19 signature.
(signature_check2): Give a backsig warning if there is no or a bad 0x19
with signatures from a subkey.
This commit is contained in:
David Shaw 2004-04-23 03:25:58 +00:00
parent 2bdb01e2e7
commit 732f049817
7 changed files with 121 additions and 6 deletions
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4
g10/packet.h
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@ -212,6 +212,7 @@ typedef struct {
without the key to check it */
int is_valid; /* key (especially subkey) is valid */
int dont_cache; /* do not cache this */
byte backsig; /* 0=none, 1=bad, 2=good */
u32 main_keyid[2]; /* keyid of the primary key */
u32 keyid[2]; /* calculated by keyid_from_pk() */
byte is_primary;
@ -364,6 +365,7 @@ typedef enum {
SIGSUBPKT_SIGNERS_UID =28, /* signer's user id */
SIGSUBPKT_REVOC_REASON =29, /* reason for revocation */
SIGSUBPKT_FEATURES =30, /* feature flags */
SIGSUBPKT_SIGNATURE =32, /* embedded signature */
SIGSUBPKT_FLAG_CRITICAL=128
@ -409,6 +411,8 @@ int copy_some_packets( IOBUF inp, IOBUF out, off_t stopoff );
int skip_some_packets( IOBUF inp, unsigned n );
#endif
int parse_signature( IOBUF inp, int pkttype, unsigned long pktlen,
PKT_signature *sig );
const byte *enum_sig_subpkt ( const subpktarea_t *subpkts,
sigsubpkttype_t reqtype,
size_t *ret_n, int *start, int *critical );