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gpg: Add option --allow-weak-key-signatures.

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* g10/gpg.c (oAllowWeakKeySignatures): New.
(opts): Add --allow-weak-key-signatures.
(main): Set it.
* g10/options.h (struct opt): Add flags.allow_weak_key_signatures.
* g10/misc.c (print_sha1_keysig_rejected_note): New.
* g10/sig-check.c (check_signature_over_key_or_uid): Print note and
act on new option.
--

Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit e624c41dba)
This commit is contained in:
Werner Koch 2019-11-07 10:36:17 +01:00
parent 1d83f92fa9
commit 3b1fcf6523
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
6 changed files with 43 additions and 4 deletions
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8
g10/gpg.c
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@ -407,6 +407,7 @@ enum cmd_and_opt_values
oAllowMultipleMessages,
oNoAllowMultipleMessages,
oAllowWeakDigestAlgos,
oAllowWeakKeySignatures,
oFakedSystemTime,
oNoAutostart,
oPrintPKARecords,
@ -888,6 +889,9 @@ static ARGPARSE_OPTS opts[] = {
ARGPARSE_s_n (oNoAutostart, "no-autostart", "@"),
ARGPARSE_s_n (oNoSymkeyCache, "no-symkey-cache", "@"),
/* Options to override new security defaults. */
ARGPARSE_s_n (oAllowWeakKeySignatures, "allow-weak-key-signatures", "@"),
/* Options which can be used in special circumstances. They are not
* published and we hope they are never required. */
ARGPARSE_s_n (oUseOnlyOpenPGPCard, "use-only-openpgp-card", "@"),
@ -3558,6 +3562,10 @@ main (int argc, char **argv)
opt.flags.allow_weak_digest_algos = 1;
break;
case oAllowWeakKeySignatures:
opt.flags.allow_weak_key_signatures = 1;
break;
case oFakedSystemTime:
{
size_t len = strlen (pargs.r.ret_str);