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gpg: Add option and preference framework for AEAD.

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* common/openpgpdefs.h (aead_algo_t): New.
(SIGSUBPKT_PREF_AEAD): New.
* g10/gpg.c (oAEADAlgo, oPersonalAEADPreferences): New.
(opts): New options --aead-algo and --personal-aead-preferences.
(set_compliance_option): Clar aead algo.
(main): Parse and check the new options
* g10/options.h (struct opt): Add fields def_aead_algo and
personal_aead_prefs.
* g10/packet.h (PREFTYPE_AEAD): New enum value.
(PKT_user_id): Add field flags.aead.
(PKT_public_key): Add field flags.aead.
* g10/pkclist.c (select_algo_from_prefs): Support PREFTYPE_AEAD.
* g10/getkey.c (fixup_uidnode): Set AEAD flag.
(merge_selfsigs): Ditto.
* g10/kbnode.c (dump_kbnode): Show aead flag.
* g10/keyedit.c (show_prefs): Ditto.
(show_key_with_all_names_colon): Ditto.
* g10/keygen.c (aead_presf, n_aead_prefs): New vars.
(set_one_pref): Suppport PREFTYPE_AEAD.
(keygen_set_std_prefs): Parse AEAD preferences.
(keygen_get_std_prefs): Ditto.
(add_feature_aead): New.
(keygen_upd_std_prefs): Call that and build AEAD pref  packet.
* g10/main.h (DEFAULT_AEAD_ALGO): New const.
* g10/misc.c (openpgp_aead_test_algo): New.
(openpgp_aead_algo_name): New.
(string_to_aead_algo): New.
(default_aead_algo): New.
--

This is only used in --rfc4880bis mode and not really tested.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2018-01-10 11:42:38 +01:00
parent 945381c4c2
commit 8217cd4936
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
11 changed files with 287 additions and 16 deletions
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12
common/openpgpdefs.h
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@ -115,7 +115,8 @@ typedef enum
SIGSUBPKT_FEATURES = 30, /* Feature flags. */
SIGSUBPKT_SIGNATURE = 32, /* Embedded signature. */
SIGSUBPKT_ISSUER_FPR = 33, /* EXPERIMENTAL: Issuer fingerprint. */
SIGSUBPKT_ISSUER_FPR = 33, /* Issuer fingerprint. */
SIGSUBPKT_PREF_AEAD = 34, /* Preferred AEAD algorithms. */
SIGSUBPKT_FLAG_CRITICAL = 128
}
@ -142,6 +143,15 @@ typedef enum
cipher_algo_t;
typedef enum
{
AEAD_ALGO_NONE = 0,
AEAD_ALGO_EAX = 1,
AEAD_ALGO_OCB = 2
}
aead_algo_t;
typedef enum
{
PUBKEY_ALGO_RSA = 1,