84 lines
2.3 KiB
C
84 lines
2.3 KiB
C
/*
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proto-t1.h: header file for proto-t1.c
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Copyright (C) 2004 Ludovic Rousseau
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __PROTO_T1_H__
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#define __PROTO_T1_H__
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#include <config.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include "buffer.h"
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/* T=1 protocol constants */
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#define T1_I_BLOCK 0x00
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#define T1_R_BLOCK 0x80
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#define T1_S_BLOCK 0xC0
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#define T1_MORE_BLOCKS 0x20
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enum {
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IFD_PROTOCOL_RECV_TIMEOUT = 0x0000,
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IFD_PROTOCOL_T1_BLOCKSIZE,
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IFD_PROTOCOL_T1_CHECKSUM_CRC,
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IFD_PROTOCOL_T1_CHECKSUM_LRC,
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IFD_PROTOCOL_T1_IFSC,
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IFD_PROTOCOL_T1_IFSD,
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IFD_PROTOCOL_T1_STATE,
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IFD_PROTOCOL_T1_MORE
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};
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#define T1_BUFFER_SIZE (3 + 254 + 2)
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/* see /usr/include/PCSC/ifdhandler.h for other values
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* this one is for internal use only */
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#define IFD_PARITY_ERROR 699
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typedef struct {
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int lun;
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int state;
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unsigned char ns; /* reader side */
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unsigned char nr; /* card side */
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unsigned int ifsc;
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unsigned int ifsd;
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unsigned char wtx;
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unsigned int retries;
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unsigned int rc_bytes;
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unsigned int (*checksum)(const uint8_t *, size_t, unsigned char *);
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char more; /* more data bit */
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unsigned char previous_block[4]; /* to store the last R-block */
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} t1_state_t;
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int t1_transceive(t1_state_t *t1, unsigned int dad,
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const void *snd_buf, size_t snd_len,
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void *rcv_buf, size_t rcv_len);
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int t1_init(t1_state_t *t1, int lun);
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void t1_release(t1_state_t *t1);
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int t1_set_param(t1_state_t *t1, int type, long value);
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int t1_negotiate_ifsd(t1_state_t *t1, unsigned int dad, int ifsd);
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unsigned int t1_build(t1_state_t *, unsigned char *,
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unsigned char, unsigned char, ct_buf_t *, size_t *);
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#endif
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