Trevor Bentley
141 lines
4.0 KiB
C
141 lines
4.0 KiB
C
/*
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* Copyright (c) 2014-2016 Yubico AB
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef YKPIV_INTERNAL_H
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#define YKPIV_INTERNAL_H
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#include "ykpiv.h"
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#include <stdbool.h>
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#if BACKEND_PCSC
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#if defined HAVE_PCSC_WINSCARD_H
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# include <PCSC/wintypes.h>
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# include <PCSC/winscard.h>
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#else
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# include <winscard.h>
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#endif
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#endif
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#define DES_TYPE_3DES 1
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#define DES_LEN_DES 8
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#define DES_LEN_3DES DES_LEN_DES*3
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#define READER_LEN 32
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#define MAX_READERS 16
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#define CB_MGM_KEY DES_LEN_3DES
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// the object size is restricted to the firmware's message buffer size, which
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// always contains 0x5C + 1 byte len + 3 byte id + 0x53 + 3 byte len = 9 bytes,
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// so while the message buffer == CB_BUF_MAX, the maximum object we can store
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// is CB_BUF_MAX - 9
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#define CB_OBJ_MAX_NEO (CB_BUF_MAX_NEO - 9)
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#define CB_OBJ_MAX_YK4 (CB_BUF_MAX_YK4 - 9)
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#define CB_OBJ_MAX CB_OBJ_MAX_YK4
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#define CB_BUF_MAX_NEO 2048
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#define CB_BUF_MAX_YK4 3072
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#define CB_BUF_MAX CB_BUF_MAX_YK4
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#define CB_ATR_MAX 33
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#define CHREF_ACT_CHANGE_PIN 0
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#define CHREF_ACT_UNBLOCK_PIN 1
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#define CHREF_ACT_CHANGE_PUK 2
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#define TAG_CERT 0x70
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#define TAG_CERT_COMPRESS 0x71
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#define TAG_CERT_LRC 0xFE
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// TREV TODO: other tags here?
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typedef enum {
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DES_OK = 0,
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DES_INVALID_PARAMETER = -1,
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DES_BUFFER_TOO_SMALL = -2,
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DES_MEMORY_ERROR = -3,
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DES_GENERAL_ERROR = -4
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} des_rc;
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typedef enum {
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PKCS5_OK = 0,
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PKCS5_GENERAL_ERROR = -1
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} pkcs5_rc;
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typedef enum {
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PRNG_OK = 0,
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PRNG_GENERAL_ERROR = -1
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} prng_rc;
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struct ykpiv_state {
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SCARDCONTEXT context;
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SCARDHANDLE card;
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int verbose;
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char *pin;
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ykpiv_allocator allocator;
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bool isNEO;
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};
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union u_APDU {
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struct {
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unsigned char cla;
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unsigned char ins;
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unsigned char p1;
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unsigned char p2;
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unsigned char lc;
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unsigned char data[0xff];
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} st;
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unsigned char raw[0xff + 5];
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};
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typedef union u_APDU APDU;
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typedef struct des_key des_key;
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extern unsigned const char aid[];
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des_rc des_import_key(const int type, const unsigned char* keyraw, const size_t keyrawlen, des_key** key);
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des_rc des_destroy_key(des_key* key);
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des_rc des_encrypt(des_key* key, const unsigned char* in, const size_t inlen, unsigned char* out, size_t* outlen);
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des_rc des_decrypt(des_key* key, const unsigned char* in, const size_t inlen, unsigned char* out, size_t* outlen);
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bool yk_des_is_weak_key(const unsigned char *key, const size_t cb_key);
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pkcs5_rc pkcs5_pbkdf2_sha1(const unsigned char* password, const size_t cb_password, const unsigned char* salt, const size_t cb_salt, unsigned long long iterations, unsigned char* key, const size_t cb_key);
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#ifdef __cplusplus
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}
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#endif
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#endif
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