From e5891a82c39997b65ce9ff90eb6120db7bedd399 Mon Sep 17 00:00:00 2001 From: NIIBE Yutaka Date: Thu, 6 Aug 2015 17:00:41 +0900 Subject: Curve25519 support. * agent/cvt-openpgp.c (get_keygrip): Handle Curve25519. (convert_secret_key, convert_transfer_key): Ditto. * common/openpgp-oid.c (oidtable): Add Curve25519. (oid_crv25519, openpgp_oid_is_crv25519): New. * common/util.h (openpgp_oid_is_crv25519): New. * g10/ecdh.c (pk_ecdh_encrypt_with_shared_point): Handle the case with Montgomery curve which uses x-only coordinate. * g10/keygen.c (gen_ecc): Handle Curve25519. (ask_curve): Change the API and second arg is to return subkey algo. (generate_keypair, generate_subkeypair): Follow chage of ask_curve. * g10/keyid.c (keygrip_from_pk): Handle Curve25519. * g10/pkglue.c (pk_encrypt): Handle Curve25519. * g10/pubkey-enc.c (get_it): Handle the case with Montgomery curve. * scd/app-openpgp.c (ECC_FLAG_DJB_TWEAK): New. (send_key_attr): Work with general ECC, Ed25519, and Curve25519. (get_public_key): Likewise. (ecc_writekey): Handle flag_djb_tweak. -- When libgcrypt has Curve25519, GnuPG now supports Curve25519. --- common/util.h | 1 + 1 file changed, 1 insertion(+) (limited to 'common/util.h') diff --git a/common/util.h b/common/util.h index df0f39290..66749eaaa 100644 --- a/common/util.h +++ b/common/util.h @@ -322,6 +322,7 @@ size_t percent_unescape_inplace (char *string, int nulrepl); gpg_error_t openpgp_oid_from_str (const char *string, gcry_mpi_t *r_mpi); char *openpgp_oid_to_str (gcry_mpi_t a); int openpgp_oid_is_ed25519 (gcry_mpi_t a); +int openpgp_oid_is_crv25519 (gcry_mpi_t a); const char *openpgp_curve_to_oid (const char *name, unsigned int *r_nbits); const char *openpgp_oid_to_curve (const char *oid, int canon); const char *openpgp_enum_curves (int *idxp); -- cgit v1.2.3