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'GNUPG-1-9-BRANCH'.

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+/* apdu.h - ISO 7816 APDU functions and low level I/O
+ *	Copyright (C) 2003 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#ifndef APDU_H
+#define APDU_H
+
+/* ISO 7816 values for the statusword are defined here because they
+   should not be visible to the users of the actual ISO command
+   API. */
+enum {
+  SW_MORE_DATA      = 0x6100, /* Note: that the low byte must be
+                                 masked of.*/
+  SW_EEPROM_FAILURE = 0x6581,
+  SW_WRONG_LENGTH   = 0x6700,
+  SW_CHV_WRONG      = 0x6982,
+  SW_CHV_BLOCKED    = 0x6983,
+  SW_USE_CONDITIONS = 0x6985,
+  SW_NOT_SUPPORTED  = 0x6a81,
+  SW_BAD_PARAMETER  = 0x6a80, /* (in the data field) */
+  SW_REF_NOT_FOUND  = 0x6a88,
+  SW_BAD_P0_P1      = 0x6b00,
+  SW_INS_NOT_SUP    = 0x6d00,
+  SW_CLA_NOT_SUP    = 0x6e00,
+  SW_SUCCESS        = 0x9000,
+
+  /* The follwoing statuswords are no real ones but used to map host
+     OS errors into status words.  A status word is 16 bit so that
+     those values can't be issued by a card. */
+  SW_HOST_OUT_OF_CORE = 0x10001,  /* No way yet to differentiate
+                                     between errnos on a failed malloc. */
+  SW_HOST_INV_VALUE   = 0x10002,
+  SW_HOST_INCOMPLETE_CARD_RESPONSE = 0x10003,
+};
+
+
+
+/* Note , that apdu_open_reader returns no status word but -1 on error. */
+int apdu_open_reader (int port);
+unsigned char *apdu_get_atr (int slot, size_t *atrlen);
+
+
+/* The apdu send functions do return status words. */
+int apdu_send_simple (int slot, int class, int ins, int p0, int p1,
+                      int lc, const char *data);
+int apdu_send (int slot, int class, int ins, int p0, int p1,
+               int lc, const char *data,
+               unsigned char **retbuf, size_t *retbuflen);
+int apdu_send_le (int slot, int class, int ins, int p0, int p1,
+                  int lc, const char *data, int le,
+                  unsigned char **retbuf, size_t *retbuflen);
+
+
+#endif /*APDU_H*/
+
+
+