* Makefile.am (pkglib_PROGRAMS): Install it here.
* apdu.c (writen, readn): New.
(open_pcsc_reader, pcsc_send_apdu, close_pcsc_reader): Use the
pcsc-wrapper if we are using Pth.
length and not the 64 bytes we used for testing.
* app-openpgp.c (verify_chv2, verify_chv3, do_sign): Check the
minimum length of the passphrase, so that we don't need to
decrement the retry counter.
* misc.c (openpgp_pk_algo_usage): Allow AUTH where SIGN is allowed.
* keygen.c (ask_passphrase): No need to allocated S2K in secure
memory.
* scdaemon.c (main): --pcsc-driver again defaults to pcsclite.
David Corcoran was so kind to remove the GPL incompatible
advertisng clause from pcsclite.
* apdu.c (apdu_open_reader): Actually make pcsc-driver option work.
* scdaemon.c, scdaemon.h: New option --pcsc-ccid.
* ccid-driver.c, ccid-driver.h: New but far from being useful.
* Makefile.am: Add above.
* apdu.c: Add support for that ccid driver.
* scdaemon.c, scdaemon.h: New option --disable-opensc.
* 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.