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gpg,ecc: Handle external representation as SOS with opaque MPI.

Browse source 
* g10/pkglue.h (sexp_extract_param_sos): New.
* g10/build-packet.c (sos_write): New.
(do_key, do_pubkey_enc, do_signature): Use sos_write for ECC.
* g10/export.c (cleartext_secret_key_to_openpgp): Use
sexp_extract_param_sos.
(transfer_format_to_openpgp): Use opaque MPI for ECC.
* g10/keygen.c (ecckey_from_sexp): Use sexp_extract_param_sos.
* g10/keyid.c (hash_public_key): Handle opaque MPI for SOS.
* g10/parse-packet.c (sos_read): New.
(parse_pubkeyenc,parse_signature,parse_key): Use sos_read for ECC.
* g10/pkglue.c (sexp_extract_param_sos): New.
(pk_verify): Handle opaque MPI for SOS.
(pk_encrypt): Use sexp_extract_param_sos.
* g10/seskey.c (encode_session_key): Use opaque MPI.
* g10/sign.c (do_sign): Use sexp_extract_param_sos.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2020-06-09 10:32:47 +09:00
parent 5c2080f467
commit f5bc945554
9 changed files with 316 additions and 59 deletions
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17
g10/keygen.c
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@ -1329,19 +1329,10 @@ ecckey_from_sexp (gcry_mpi_t *array, gcry_sexp_t sexp, int algo)
if (err)
goto leave;
l2 = gcry_sexp_find_token (list, "q", 0);
if (!l2)
{
err = gpg_error (GPG_ERR_NO_OBJ);
goto leave;
}
array[1] = gcry_sexp_nth_mpi (l2, 1, GCRYMPI_FMT_USG);
gcry_sexp_release (l2);
if (!array[1])
{
err = gpg_error (GPG_ERR_INV_OBJ);
goto leave;
}
err = sexp_extract_param_sos (list, "q", &array[1]);
if (err)
goto leave;
gcry_sexp_release (list);
if (algo == PUBKEY_ALGO_ECDH)