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gpg: Use only OpenPGP public key algo ids and add the EdDSA algo id.

Browse source 
* common/sexputil.c (get_pk_algo_from_canon_sexp): Change to return a
string.
* g10/keygen.c (check_keygrip): Adjust for change.
* sm/certreqgen-ui.c (check_keygrip): Likewise.

* agent/pksign.c (do_encode_dsa): Remove bogus map_pk_openpgp_to_gcry.

* g10/misc.c (map_pk_openpgp_to_gcry): Remove.
(openpgp_pk_test_algo): Change to a wrapper for openpgp_pk_test_algo2.
(openpgp_pk_test_algo2): Rewrite.
(openpgp_pk_algo_usage, pubkey_nbits): Add support for EdDSA.
(openpgp_pk_algo_name): Rewrite to remove need for gcry calls.
(pubkey_get_npkey, pubkey_get_nskey): Ditto.
(pubkey_get_nsig, pubkey_get_nenc): Ditto.
* g10/keygen.c(do_create_from_keygrip):  Support EdDSA.
(common_gen, gen_ecc, ask_keysize, generate_keypair): Ditto.
* g10/build-packet.c (do_key): Ditto.
* g10/export.c (transfer_format_to_openpgp): Ditto.
* g10/getkey.c (cache_public_key): Ditto.
* g10/import.c (transfer_secret_keys): Ditto.
* g10/keylist.c (list_keyblock_print, list_keyblock_colon): Ditto.
* g10/mainproc.c (proc_pubkey_enc): Ditto.
* g10/parse-packet.c (parse_key): Ditto,
* g10/sign.c (hash_for, sign_file, make_keysig_packet): Ditto.
* g10/keyserver.c (print_keyrec): Use openpgp_pk_algo_name.
* g10/pkglue.c (pk_verify, pk_encrypt, pk_check_secret_key): Use only
OpenPGP algo ids and support EdDSA.
* g10/pubkey-enc.c (get_it): Use only OpenPGP algo ids.
* g10/seskey.c (encode_md_value): Ditto.
--

This patch separates Libgcrypt and OpenPGP public key algorithms ids
and in most cases completely removes the Libgcrypt ones.  This is
useful because for Libgcrypt we specify the algorithm in the
S-expressions and the public key ids are not anymore needed.

This patch also adds some support for PUBKEY_ALGO_EDDSA which will
eventually be used instead of merging EdDSA with ECDSA.  As of now an
experimental algorithm id is used but the plan is to write an I-D so
that we can get a new id from the IETF.  Note that EdDSA (Ed25519)
does not yet work and that more changes are required.

The ECC support is still broken right now.  Needs to be fixed.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2014-01-30 18:48:37 +01:00
parent ea8a1685f7
commit b7f8dec632
21 changed files with 323 additions and 253 deletions
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5
agent/pksign.c
View file

@ -151,18 +151,15 @@ do_encode_eddsa (const byte *md, size_t mdlen, gcry_sexp_t *r_hash)
/* Encode a message digest for use with an DSA algorithm. */
static gpg_error_t
do_encode_dsa (const byte *md, size_t mdlen, int dsaalgo, gcry_sexp_t pkey,
do_encode_dsa (const byte *md, size_t mdlen, int pkalgo, gcry_sexp_t pkey,
gcry_sexp_t *r_hash)
{
gpg_error_t err;
gcry_sexp_t hash;
unsigned int qbits;
int pkalgo;
*r_hash = NULL;
pkalgo = map_pk_openpgp_to_gcry (dsaalgo);
if (pkalgo == GCRY_PK_ECDSA)
qbits = gcry_pk_get_nbits (pkey);
else if (pkalgo == GCRY_PK_DSA)