aboutsummaryrefslogtreecommitdiff
path: root/src/device/device_ledger.hpp
blob: b62bdf959e1746f47ee48659d5d7b8d8f166c3a0 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
// Copyright (c) 2017-2018, The Monero Project
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
// 
// 1. Redistributions of source code must retain the above copyright notice, this list of
//    conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
//    materials provided with the distribution.
// 
// 3. Neither the name of the copyright holder nor the names of its contributors may be
//    used to endorse or promote products derived from this software without specific
//    prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//


#pragma once

#include <cstddef>
#include <string>
#include "device.hpp"
#ifdef WIN32
#include <winscard.h>
#define MAX_ATR_SIZE            33
#else
#include <PCSC/winscard.h>
#include <PCSC/wintypes.h>
#endif
#include <boost/thread/mutex.hpp>
#include <boost/thread/recursive_mutex.hpp>

namespace hw {

    namespace ledger {

    void register_all(std::map<std::string, std::unique_ptr<device>> &registry);

    #ifdef WITH_DEVICE_LEDGER

    namespace {
        bool apdu_verbose =true;
    }

    void set_apdu_verbose(bool verbose);

    class ABPkeys {
    public:
        rct::key Aout;
        rct::key Bout;
        bool     is_subaddress;
        size_t   index;
        rct::key Pout;
        rct::key AKout;
        ABPkeys(const rct::key& A, const rct::key& B, const bool is_subaddr,  size_t index, const rct::key& P,const rct::key& AK);
        ABPkeys(const ABPkeys& keys) ;
        ABPkeys() {index=0;is_subaddress=false;}
    };

    class Keymap {
    public:
        std::vector<ABPkeys> ABP;

        bool find(const rct::key& P, ABPkeys& keys) const;
        void add(const ABPkeys& keys);
        void clear();
        void log();
    };

    #define BUFFER_SEND_SIZE 262
    #define BUFFER_RECV_SIZE 262

    class device_ledger : public hw::device {
    private:
        // Locker for concurrent access
        mutable boost::recursive_mutex   device_locker;
        mutable boost::mutex   command_locker;

        //PCSC management 
        std::string  full_name;
        SCARDCONTEXT hContext;
        SCARDHANDLE  hCard;
        DWORD        length_send;
        BYTE         buffer_send[BUFFER_SEND_SIZE];
        DWORD        length_recv;
        BYTE         buffer_recv[BUFFER_RECV_SIZE];
        unsigned int id;
        void logCMD(void);
        void logRESP(void);
        unsigned int  exchange(unsigned int ok=0x9000, unsigned int mask=0xFFFF);
        void reset_buffer(void);

        // hw running mode
        device_mode mode;
        // map public destination key to ephemeral destination key
        Keymap key_map;

        // To speed up blockchain parsing the view key maybe handle here.
        crypto::secret_key viewkey;
        bool has_view_key;
        
        //extra debug
        #ifdef DEBUG_HWDEVICE
        device *controle_device;
        #endif

    public:
        device_ledger();
        ~device_ledger();

        device_ledger(const device_ledger &device) = delete ;
        device_ledger& operator=(const device_ledger &device) = delete;

        explicit operator bool() const override {return this->hContext != 0;}

        bool  reset(void);

        /* ======================================================================= */
        /*                              SETUP/TEARDOWN                             */
        /* ======================================================================= */
        bool set_name(const std::string &name) override;

        const std::string get_name() const override;
        bool init(void) override;
        bool release() override;
        bool connect(void) override;
        bool disconnect() override;

        bool  set_mode(device_mode mode) override;

        /* ======================================================================= */
        /*  LOCKER                                                                 */
        /* ======================================================================= */ 
        void lock(void)  override;
        void unlock(void) override;
        bool try_lock(void) override;

        /* ======================================================================= */
        /*                             WALLET & ADDRESS                            */
        /* ======================================================================= */
        bool  get_public_address(cryptonote::account_public_address &pubkey) override;
        bool  get_secret_keys(crypto::secret_key &viewkey , crypto::secret_key &spendkey) override;
        bool  generate_chacha_key(const cryptonote::account_keys &keys, crypto::chacha_key &key) override;


        /* ======================================================================= */
        /*                               SUB ADDRESS                               */
        /* ======================================================================= */
        bool  derive_subaddress_public_key(const crypto::public_key &pub, const crypto::key_derivation &derivation, const std::size_t output_index,  crypto::public_key &derived_pub) override;
        crypto::public_key  get_subaddress_spend_public_key(const cryptonote::account_keys& keys, const cryptonote::subaddress_index& index) override;
        std::vector<crypto::public_key>  get_subaddress_spend_public_keys(const cryptonote::account_keys &keys, uint32_t account, uint32_t begin, uint32_t end) override;
        cryptonote::account_public_address  get_subaddress(const cryptonote::account_keys& keys, const cryptonote::subaddress_index &index) override;
        crypto::secret_key  get_subaddress_secret_key(const crypto::secret_key &sec, const cryptonote::subaddress_index &index) override;

        /* ======================================================================= */
        /*                            DERIVATION & KEY                             */
        /* ======================================================================= */
        bool  verify_keys(const crypto::secret_key &secret_key, const crypto::public_key &public_key) override;
        bool  scalarmultKey(rct::key & aP, const rct::key &P, const rct::key &a) override;
        bool  scalarmultBase(rct::key &aG, const rct::key &a) override;
        bool  sc_secret_add(crypto::secret_key &r, const crypto::secret_key &a, const crypto::secret_key &b) override;
        crypto::secret_key  generate_keys(crypto::public_key &pub, crypto::secret_key &sec, const crypto::secret_key& recovery_key = crypto::secret_key(), bool recover = false) override;
        bool  generate_key_derivation(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_derivation &derivation) override;
        bool  conceal_derivation(crypto::key_derivation &derivation, const crypto::public_key &tx_pub_key, const std::vector<crypto::public_key> &additional_tx_pub_keys, const crypto::key_derivation &main_derivation, const std::vector<crypto::key_derivation> &additional_derivations) override;
        bool  derivation_to_scalar(const crypto::key_derivation &derivation, const size_t output_index, crypto::ec_scalar &res) override;
        bool  derive_secret_key(const crypto::key_derivation &derivation, const std::size_t output_index, const crypto::secret_key &sec,  crypto::secret_key &derived_sec) override;
        bool  derive_public_key(const crypto::key_derivation &derivation, const std::size_t output_index, const crypto::public_key &pub,  crypto::public_key &derived_pub) override;
        bool  secret_key_to_public_key(const crypto::secret_key &sec, crypto::public_key &pub) override;
        bool  generate_key_image(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_image &image) override;

        /* ======================================================================= */
        /*                               TRANSACTION                               */
        /* ======================================================================= */

        bool  open_tx(crypto::secret_key &tx_key) override;

        bool  encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) override;

        bool  ecdhEncode(rct::ecdhTuple & unmasked, const rct::key & sharedSec) override;
        bool  ecdhDecode(rct::ecdhTuple & masked, const rct::key & sharedSec) override;

        bool  add_output_key_mapping(const crypto::public_key &Aout, const crypto::public_key &Bout, const bool is_subaddress, const size_t real_output_index,
                                     const rct::key &amount_key,  const crypto::public_key &out_eph_public_key) override;


        bool  mlsag_prehash(const std::string &blob, size_t inputs_size, size_t outputs_size, const rct::keyV &hashes, const rct::ctkeyV &outPk, rct::key &prehash) override;
        bool  mlsag_prepare(const rct::key &H, const rct::key &xx, rct::key &a, rct::key &aG, rct::key &aHP, rct::key &rvII) override;
        bool  mlsag_prepare(rct::key &a, rct::key &aG) override;
        bool  mlsag_hash(const rct::keyV &long_message, rct::key &c) override;
        bool  mlsag_sign( const rct::key &c, const rct::keyV &xx, const rct::keyV &alpha, const size_t rows, const size_t dsRows, rct::keyV &ss) override;

        bool  close_tx(void) override;

    };


    #ifdef DEBUG_HWDEVICE
    extern crypto::secret_key dbg_viewkey;
    extern crypto::secret_key dbg_spendkey;
    #endif

    #endif  //WITH_DEVICE_LEDGER
  }

}