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scd:openpgp: Fallback to default ECDH params in writekey.

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* scd/app-openpgp.c (ecc_writekey): Use default ECDH parameters and
remove the now useless check.
--

This seems to be better than bailing out.  In almost all cases our
standard parameters are used and if not, well, the fingerprint will be
wrong.

GnuPG-bug-id: 6378
This commit is contained in:
Werner Koch 2023-11-23 16:01:58 +01:00
parent 09329d52b5
commit 4c456bf075
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 5 additions and 3 deletions
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8
scd/app-openpgp.c
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@ -4733,9 +4733,11 @@ ecc_writekey (app_t app, ctrl_t ctrl,
if (algo == PUBKEY_ALGO_ECDH && !ecdh_param)
{
log_error ("opgp: ecdh parameters missing\n");
err = gpg_error (GPG_ERR_INV_VALUE);
goto leave;
/* In case this is used by older clients we fallback to our
* default ecc parameters. */
log_info ("opgp: using default ecdh parameters\n");
ecdh_param = ecdh_params (curve);
ecdh_param_len = 4;
}
oidstr = openpgp_curve_to_oid (curve, &n, NULL);