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@ -191,7 +191,7 @@ namespace hw {
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static int device_id = 0;
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#define PROTOCOL_VERSION 2
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#define PROTOCOL_VERSION 3
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#define INS_NONE 0x00
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#define INS_RESET 0x02
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@ -228,6 +228,7 @@ namespace hw {
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#define INS_BLIND 0x78
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#define INS_UNBLIND 0x7A
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#define INS_GEN_TXOUT_KEYS 0x7B
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#define INS_PREFIX_HASH 0x7D
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#define INS_VALIDATE 0x7C
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#define INS_MLSAG 0x7E
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#define INS_CLOSE_TX 0x80
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@ -1346,6 +1347,81 @@ namespace hw {
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return true;
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}
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void device_ledger::get_transaction_prefix_hash(const cryptonote::transaction_prefix& tx, crypto::hash& h) {
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AUTO_LOCK_CMD();
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int pref_length = 0, pref_offset = 0, offset = 0;
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#ifdef DEBUG_HWDEVICE
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crypto::hash h_x;
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this->controle_device->get_transaction_prefix_hash(tx,h_x);
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MDEBUG("get_transaction_prefix_hash [[IN]] h_x/1 "<<h_x);
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#endif
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std::ostringstream s_x;
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binary_archive<true> a_x(s_x);
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CHECK_AND_ASSERT_THROW_MES(::serialization::serialize(a_x, const_cast<cryptonote::transaction_prefix&>(tx)),
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"unable to serialize transaction prefix");
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pref_length = s_x.str().size();
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//auto pref = std::make_unique<unsigned char[]>(pref_length);
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auto uprt_pref = std::unique_ptr<unsigned char[]>{ new unsigned char[pref_length] };
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unsigned char* pref = uprt_pref.get();
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memmove(pref, s_x.str().data(), pref_length);
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offset = set_command_header_noopt(INS_PREFIX_HASH,1);
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pref_offset = 0;
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unsigned char v;
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//version as varint
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do {
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v = pref[pref_offset];
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this->buffer_send[offset] = v;
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offset += 1;
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pref_offset += 1;
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} while (v&0x80);
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//locktime as var int
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do {
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v = pref[pref_offset];
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this->buffer_send[offset] = v;
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offset += 1;
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pref_offset += 1;
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} while (v&0x80);
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this->buffer_send[4] = offset-5;
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this->length_send = offset;
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this->exchange_wait_on_input();
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//hash remains
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int cnt = 0;
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while (pref_offset < pref_length) {
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int len;
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cnt++;
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offset = set_command_header(INS_PREFIX_HASH,2,cnt);
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len = pref_length - pref_offset;
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//options
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if (len > (BUFFER_SEND_SIZE-7)) {
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len = BUFFER_SEND_SIZE-7;
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this->buffer_send[offset] = 0x80;
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} else {
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this->buffer_send[offset] = 0x00;
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}
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offset += 1;
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//send chunk
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memmove(&this->buffer_send[offset], pref+pref_offset, len);
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offset += len;
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pref_offset += len;
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this->buffer_send[4] = offset-5;
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this->length_send = offset;
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this->exchange();
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}
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memmove(h.data, &this->buffer_recv[0], 32);
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#ifdef DEBUG_HWDEVICE
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hw::ledger::check8("prefix_hash", "h", h_x.data, h.data);
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#endif
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}
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bool device_ledger::encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) {
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AUTO_LOCK_CMD();
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