#include "shared_context.h" #include "apdu_constants.h" #include "ui_flow.h" #include "feature_getPublicKey.h" #include "ethUtils.h" void handleGetPublicKey(uint8_t p1, uint8_t p2, uint8_t *dataBuffer, uint16_t dataLength, unsigned int *flags, unsigned int *tx) { UNUSED(dataLength); uint8_t privateKeyData[INT256_LENGTH]; uint32_t bip32Path[MAX_BIP32_PATH]; uint32_t i; uint8_t bip32PathLength = *(dataBuffer++); cx_ecfp_private_key_t privateKey; if (!called_from_swap) { reset_app_context(); } if ((bip32PathLength < 0x01) || (bip32PathLength > MAX_BIP32_PATH)) { PRINTF("Invalid path\n"); THROW(0x6a80); } if ((p1 != P1_CONFIRM) && (p1 != P1_NON_CONFIRM)) { THROW(0x6B00); } if ((p2 != P2_CHAINCODE) && (p2 != P2_NO_CHAINCODE)) { THROW(0x6B00); } for (i = 0; i < bip32PathLength; i++) { bip32Path[i] = U4BE(dataBuffer, 0); dataBuffer += 4; } tmpCtx.publicKeyContext.getChaincode = (p2 == P2_CHAINCODE); io_seproxyhal_io_heartbeat(); os_perso_derive_node_bip32( CX_CURVE_256K1, bip32Path, bip32PathLength, privateKeyData, (tmpCtx.publicKeyContext.getChaincode ? tmpCtx.publicKeyContext.chainCode : NULL)); cx_ecfp_init_private_key(CX_CURVE_256K1, privateKeyData, 32, &privateKey); io_seproxyhal_io_heartbeat(); cx_ecfp_generate_pair(CX_CURVE_256K1, &tmpCtx.publicKeyContext.publicKey, &privateKey, 1); explicit_bzero(&privateKey, sizeof(privateKey)); explicit_bzero(privateKeyData, sizeof(privateKeyData)); io_seproxyhal_io_heartbeat(); getEthAddressStringFromKey(&tmpCtx.publicKeyContext.publicKey, tmpCtx.publicKeyContext.address, &global_sha3, chainConfig->chainId); #ifndef NO_CONSENT if (p1 == P1_NON_CONFIRM) #endif // NO_CONSENT { *tx = set_result_get_publicKey(); THROW(0x9000); } #ifndef NO_CONSENT else { snprintf(strings.common.fullAddress, sizeof(strings.common.fullAddress), "0x%.*s", 40, tmpCtx.publicKeyContext.address); ux_flow_init(0, ux_display_public_flow, NULL); *flags |= IO_ASYNCH_REPLY; } #endif // NO_CONSENT }