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gpg: Handle backsig for v5 signature.

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* g10/getkey.c (merge_selfsigs_subkey): Check v5 signature correctly.

--

GnuPG-bug-id: 5628
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2021-09-29 11:30:00 +09:00
parent 86cb04a23d
commit dd2e092339
1 changed files with 8 additions and 6 deletions
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6
g10/getkey.c
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@ -3360,7 +3360,8 @@ merge_selfsigs_subkey (ctrl_t ctrl, kbnode_t keyblock, kbnode_t subnode)
while ((p = enum_sig_subpkt (sig, 1, SIGSUBPKT_SIGNATURE,
&n, &seq, NULL)))
if (n > 3
&& ((p[0] == 3 && p[2] == 0x19) || (p[0] == 4 && p[1] == 0x19)))
&& ((p[0] == 3 && p[2] == 0x19) || (p[0] == 4 && p[1] == 0x19)
|| (p[0] == 5 && p[1] == 0x19)))
{
PKT_signature *tempsig = buf_to_sig (p, n);
if (tempsig)
@ -3385,7 +3386,8 @@ merge_selfsigs_subkey (ctrl_t ctrl, kbnode_t keyblock, kbnode_t subnode)
while ((p = enum_sig_subpkt (sig, 0, SIGSUBPKT_SIGNATURE,
&n, &seq, NULL)))
if (n > 3
&& ((p[0] == 3 && p[2] == 0x19) || (p[0] == 4 && p[1] == 0x19)))
&& ((p[0] == 3 && p[2] == 0x19) || (p[0] == 4 && p[1] == 0x19)
|| (p[0] == 5 && p[1] == 0x19)))
{
PKT_signature *tempsig = buf_to_sig (p, n);
if (tempsig)