* app-nks.c (get_length_of_cert): Removed.
* app-help.c: New.
(app_help_read_length_of_cert): New. Code taken from above. New
optional arg R_CERTOFF.
* card-dinsig.c: Removed.
* card.c (card_get_serial_and_stamp): Do not bind to the old and
never finsiged card-dinsig.c.
* iso7816.c (iso7816_read_binary): Allow for an NMAX > 254.
* card.c (card_open): Implement it.
* apdu.c (open_osc_reader, osc_send_apdu): New.
(apdu_open_reader) [HAVE_OPENSC]: Use the opensc driver if not
disabled.
(error_string) [HAVE_OPENSC]: Use sc_strerror.
(send_apdu) [HAVE_OPENSC]: Call osc_apdu_send.
* card-p15.c (p15_enum_keypairs, p15_prepare_key): Adjusted for
libgpg-error.
* card-common.h (struct p15_private_s): Forward declaration. Add
it to card_ctx_s.
* card.c (card_close): Make sure private data is released.
(card_enum_certs): New.
* card-p15.c (p15_release_private_data): New.
(init_private_data): New to work around an OpenSC weirdness.
(p15_enum_keypairs): Do an OpenSC get_objects only once.
(p15_enum_certs): New.
(card_p15_bind): Bind new function.
* command.c (cmd_learn): Return information about the certificates.
it to card_ctx_s.
* card.c (card_close): Make sure private data is released.
* card-p15.c (p15_release_private_data): New.
(init_private_data): New to work around an OpenSC weirdness.
(p15_enum_keypairs): Do an OpenSC get_objects only once.
* card.c (card_open): set it here.
* card-p15.c (p15_prepare_key): Factored out common code from ...
(p15_sign, p15_decipher): here and made the decryption work the
regular way.
