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gpg,agent: Support Ed448 signing.

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* agent/pksign.c (do_encode_eddsa): First argument is NBITs,
so that it can support Ed448, as well as Ed25519.
(agent_pksign_do): Follow the change.
* agent/sexp-secret.c (fixup_when_ecc_private_key): No fix-up needed
for Ed448, it's only for classic curves.
* common/openpgp-oid.c (oidtable): Add Ed448.
* common/sexputil.c (get_pk_algo_from_key): Ed448 is only for EdDSA.
* g10/export.c (match_curve_skey_pk): Ed448 is for EdDSA.
* g10/keygen.c (gen_ecc): Support Ed448 with the name of "ed448".
(ask_algo, parse_key_parameter_part): Handle "ed448".
* g10/pkglue.c (pk_verify): Support Ed448.
(pk_check_secret_key): Support Ed448.
* g10/sign.c (hash_for): Defaults to SHA512 for Ed448.
(make_keysig_packet): Likewise.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2020-06-24 10:05:03 +09:00
parent c94eea15d6
commit a763bb2580
8 changed files with 147 additions and 98 deletions
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2
g10/export.c
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@ -568,6 +568,8 @@ match_curve_skey_pk (gcry_sexp_t s_key, PKT_public_key *pk)
log_error ("no curve name\n");
return gpg_error (GPG_ERR_UNKNOWN_CURVE);
}
if (!strcmp (curve_str, "Ed448"))
is_eddsa = 1;
oidstr = openpgp_curve_to_oid (curve_str, NULL, NULL);
if (!oidstr)
{