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scd:p15: Fix decrypt followed by sign problem for D-Trust cards.

Browse source 
* scd/iso7816.c (iso7816_select_mf): New.
* scd/app-p15.c (card_product_t): New.
(struct app_local_s): Add field 'card_product'.
(read_ef_tokeninfo): Detect D-Trust card.
(prepare_verify_pin): Switch to D-Trust AID.
(do_decipher): Restore a SE for D-TRust cards.  Chnage the passing
indicator to 0x81.
--

Using what I learned from a USB trace running the Governikus Signer
Software on Windows this fixes the left over problem with the new
D-Trust card support.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-04-07 16:00:11 +02:00
parent 7ee2a9687d
commit 42ddcc87f4
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
3 changed files with 91 additions and 14 deletions
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1
scd/iso7816.h
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@ -56,6 +56,7 @@ gpg_error_t iso7816_select_application_ext (int slot,
unsigned int flags,
unsigned char **result,
size_t *resultlen);
gpg_error_t iso7816_select_mf (int slot);
gpg_error_t iso7816_select_file (int slot, int tag, int is_dir);
gpg_error_t iso7816_select_path (int slot,
const unsigned short *path, size_t pathlen);