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kbx: Better error message in case of a crippled Libgcrypt.

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* kbx/keybox-openpgp.c (keygrip_from_keyparm): Detect missing curve.
This commit is contained in:
Werner Koch 2020-12-02 11:11:47 +01:00
parent a3f95a29b9
commit acafa695e1
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 10 additions and 2 deletions
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12
kbx/keybox-openpgp.c
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@ -240,8 +240,16 @@ keygrip_from_keyparm (int algo, struct keyparm_s *kp, unsigned char *grip)
if (!err && !gcry_pk_get_keygrip (s_pkey, grip)) if (!err && !gcry_pk_get_keygrip (s_pkey, grip))
{ {
log_info ("kbx: error computing keygrip\n"); /* Some Linux distributions remove certain curves from Libgcrypt
err = gpg_error (GPG_ERR_GENERAL); * but not from GnuPG and thus the keygrip can't be computed.
* Emit a better error message for this case. */
if (!gcry_pk_get_curve (s_pkey, 0, NULL))
err = gpg_error (GPG_ERR_UNKNOWN_CURVE);
else
{
log_info ("kbx: error computing keygrip\n");
err = gpg_error (GPG_ERR_GENERAL);
}
} }
gcry_sexp_release (s_pkey); gcry_sexp_release (s_pkey);