blue-app-btc/src/btchip_apdu_get_coin_version.c

51 lines
2.1 KiB
C

/*******************************************************************************
* Ledger Blue - Bitcoin Wallet
* (c) 2016 Ledger
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
********************************************************************************/
#include "btchip_internal.h"
#include "btchip_apdu_constants.h"
#define P1_VERSION_ONLY 0x00
#define P1_VERSION_COINID 0x01
unsigned short btchip_apdu_get_coin_version() {
uint8_t offset = 0;
SB_CHECK(N_btchip.bkp.config.operationMode);
if ((SB_GET(N_btchip.bkp.config.operationMode) ==
BTCHIP_MODE_SETUP_NEEDED) ||
(SB_GET(N_btchip.bkp.config.operationMode) == BTCHIP_MODE_ISSUER)) {
return BTCHIP_SW_CONDITIONS_OF_USE_NOT_SATISFIED;
}
G_io_apdu_buffer[offset++] = btchip_context_D.payToAddressVersion >> 8;
G_io_apdu_buffer[offset++] = btchip_context_D.payToAddressVersion;
G_io_apdu_buffer[offset++] = btchip_context_D.payToScriptHashVersion >> 8;
G_io_apdu_buffer[offset++] = btchip_context_D.payToScriptHashVersion;
G_io_apdu_buffer[offset++] = btchip_context_D.coinFamily;
G_io_apdu_buffer[offset++] = btchip_context_D.coinIdLength;
os_memmove(G_io_apdu_buffer + offset, btchip_context_D.coinId,
btchip_context_D.coinIdLength);
offset += btchip_context_D.coinIdLength;
G_io_apdu_buffer[offset++] = btchip_context_D.shortCoinIdLength;
os_memmove(G_io_apdu_buffer + offset, btchip_context_D.shortCoinId,
btchip_context_D.shortCoinIdLength);
offset += btchip_context_D.shortCoinIdLength;
btchip_context_D.outLength = offset;
return BTCHIP_SW_OK;
}