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agent:kem:ecc: Support a key on smartcard.

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* agent/agent.h (agent_card_ecc_kem): New.
* agent/divert-scd.c (agent_card_ecc_kem): New.
* agent/pkdecrypt.c (ecc_extract_pk_from_key): New.
(ecc_extract_sk_from_key): New.
(ecc_raw_kem, get_cardkey, ecc_get_curve): New.
(ecc_pgp_kem_decrypt): Support a key on smartcard for ECC.
(composite_pgp_kem_decrypt): Handle a case of a key on smartcard.
* common/sexputil.c (get_ecc_curve_from_key): New.
* common/util.h (get_ecc_curve_from_key): New.

--

GnuPG-bug-id: 7097
Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2024-04-26 14:18:03 +09:00
parent 83e2dede0a
commit 9128d81bb7
No known key found for this signature in database
GPG key ID: 640114AF89DE6054
5 changed files with 288 additions and 74 deletions
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common/util.h
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@ -196,6 +196,7 @@ char *pubkey_algo_string (gcry_sexp_t s_pkey, enum gcry_pk_algos *r_algoid);
const char *pubkey_algo_to_string (int algo);
const char *hash_algo_to_string (int algo);
const char *cipher_mode_to_string (int mode);
const char *get_ecc_curve_from_key (gcry_sexp_t key);
/*-- convert.c --*/
int hex2bin (const char *string, void *buffer, size_t length);