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@ -176,7 +176,7 @@ namespace hw {
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#define INS_GET_RESPONSE 0xc0
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device_ledger::device_ledger(): hw_device(0x0101, 0x05, 64, 120000) {
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device_ledger::device_ledger(): hw_device(0x0101, 0x05, 64, 2000) {
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this->id = device_id++;
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this->reset_buffer();
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this->mode = NONE;
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@ -235,6 +235,9 @@ namespace hw {
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/* IO */
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/* ======================================================================= */
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#define IO_SW_DENY 0x6982
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#define IO_SECRET_KEY 0x02
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void device_ledger::logCMD() {
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if (apdu_verbose) {
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char strbuffer[1024];
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@ -283,7 +286,12 @@ namespace hw {
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void device_ledger::send_simple(unsigned char ins, unsigned char p1) {
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this->length_send = set_command_header_noopt(ins, p1);
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this->exchange();
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if (ins == INS_GET_KEY && p1 == IO_SECRET_KEY) {
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// export view key user input
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this->exchange_wait_on_input();
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} else {
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this->exchange();
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}
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}
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bool device_ledger::reset() {
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@ -294,7 +302,7 @@ namespace hw {
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unsigned int device_ledger::exchange(unsigned int ok, unsigned int mask) {
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logCMD();
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this->length_recv = hw_device.exchange(this->buffer_send, this->length_send, this->buffer_recv, BUFFER_SEND_SIZE);
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this->length_recv = hw_device.exchange(this->buffer_send, this->length_send, this->buffer_recv, BUFFER_SEND_SIZE, false);
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ASSERT_X(this->length_recv>=2, "Communication error, less than tow bytes received");
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this->length_recv -= 2;
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@ -305,6 +313,25 @@ namespace hw {
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return this->sw;
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}
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unsigned int device_ledger::exchange_wait_on_input(unsigned int ok, unsigned int mask) {
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logCMD();
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unsigned int deny = 0;
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this->length_recv = hw_device.exchange(this->buffer_send, this->length_send, this->buffer_recv, BUFFER_SEND_SIZE, true);
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ASSERT_X(this->length_recv>=2, "Communication error, less than two bytes received");
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this->length_recv -= 2;
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this->sw = (this->buffer_recv[length_recv]<<8) | this->buffer_recv[length_recv+1];
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if (this->sw == IO_SW_DENY) {
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// cancel on device
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deny = 1;
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} else {
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ASSERT_SW(this->sw,ok,msk);
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}
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logRESP();
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return deny;
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}
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void device_ledger::reset_buffer() {
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this->length_send = 0;
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memset(this->buffer_send, 0, BUFFER_SEND_SIZE);
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@ -1260,7 +1287,8 @@ namespace hw {
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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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// check fee user input
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CHECK_AND_ASSERT_THROW_MES(this->exchange_wait_on_input() == 0, "Fee denied on device.");
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//pseudoOuts
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if (type == rct::RCTTypeSimple) {
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@ -1328,7 +1356,8 @@ namespace hw {
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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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// check transaction user input
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CHECK_AND_ASSERT_THROW_MES(this->exchange_wait_on_input() == 0, "Transaction denied on device.");
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#ifdef DEBUG_HWDEVICE
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hw::ledger::log_hexbuffer("Prehash AKV input", (char*)&this->buffer_recv[64], 3*32);
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#endif
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