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scd:p15: Support ECDSA and ECDH for CardOS.

Browse source 
* scd/iso7816.c (iso7816_pso_csv): New.
* scd/app-help.c (app_help_pubkey_from_cert): Uncompress a point if
needed.

* scd/app-p15.c (CARD_PRODUCT_RSCS): New.
(struct prkdf_object_s): Add fields is_ecc, token_label, and
tokenflags.
(do_deinit): Free new fields.
(cardproduct2str): New.
(read_ef_prkdf): Set new is_ecc flag.
(read_ef_tokeninfo): Store some data and move Tokeninfo diags to ...
(read_p15_info): here.  set the product info here after all data has
been gathered.
(send_keypairinfo): Chnage the way the gpgusage flags are used.
(make_pin_prompt): If the token has a label and the current cert has
no CN, show the label as holder info.
(do_sign): Support ECDSA.  Take care of the gpgusage flags.
(do_decipher): Support ECDH.  Take care of the gpgusage flags.
--

This has been tested with Trusted Object Manager generated cards by
Rohde & Schwarz Cybersecurity.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2021-03-29 14:48:11 +02:00
parent f129b0e977
commit a494b29af9
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
4 changed files with 378 additions and 102 deletions
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3
scd/iso7816.h
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@ -118,6 +118,9 @@ gpg_error_t iso7816_decipher (int slot, int extended_mode,
const unsigned char *data, size_t datalen,
int le, int padind,
unsigned char **result, size_t *resultlen);
gpg_error_t iso7816_pso_csv (int slot, int extended_mode,
const unsigned char *data, size_t datalen, int le,
unsigned char **result, size_t *resultlen);
gpg_error_t iso7816_internal_authenticate (int slot, int extended_mode,
const unsigned char *data, size_t datalen,
int le,