73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
#include "shared_context.h"
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#include "apdu_constants.h"
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#include "ui_flow.h"
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#include "feature_getPublicKey.h"
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#include "ethUtils.h"
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void handleGetPublicKey(uint8_t p1,
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uint8_t p2,
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uint8_t *dataBuffer,
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uint16_t dataLength,
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unsigned int *flags,
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unsigned int *tx) {
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uint8_t privateKeyData[INT256_LENGTH];
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bip32_path_t bip32;
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cx_ecfp_private_key_t privateKey;
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if (!called_from_swap) {
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reset_app_context();
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}
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if ((p1 != P1_CONFIRM) && (p1 != P1_NON_CONFIRM)) {
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THROW(0x6B00);
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}
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if ((p2 != P2_CHAINCODE) && (p2 != P2_NO_CHAINCODE)) {
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THROW(0x6B00);
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}
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dataBuffer = parseBip32(dataBuffer, &dataLength, &bip32);
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if (dataBuffer == NULL) {
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THROW(0x6a80);
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}
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tmpCtx.publicKeyContext.getChaincode = (p2 == P2_CHAINCODE);
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io_seproxyhal_io_heartbeat();
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os_perso_derive_node_bip32(
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CX_CURVE_256K1,
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bip32.path,
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bip32.length,
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privateKeyData,
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(tmpCtx.publicKeyContext.getChaincode ? tmpCtx.publicKeyContext.chainCode : NULL));
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cx_ecfp_init_private_key(CX_CURVE_256K1, privateKeyData, 32, &privateKey);
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io_seproxyhal_io_heartbeat();
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cx_ecfp_generate_pair(CX_CURVE_256K1, &tmpCtx.publicKeyContext.publicKey, &privateKey, 1);
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explicit_bzero(&privateKey, sizeof(privateKey));
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explicit_bzero(privateKeyData, sizeof(privateKeyData));
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io_seproxyhal_io_heartbeat();
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getEthAddressStringFromKey(&tmpCtx.publicKeyContext.publicKey,
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tmpCtx.publicKeyContext.address,
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&global_sha3,
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chainConfig->chainId);
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#ifndef NO_CONSENT
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if (p1 == P1_NON_CONFIRM)
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#endif // NO_CONSENT
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{
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*tx = set_result_get_publicKey();
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THROW(0x9000);
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}
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#ifndef NO_CONSENT
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else {
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snprintf(strings.common.fullAddress,
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sizeof(strings.common.fullAddress),
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"0x%.*s",
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40,
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tmpCtx.publicKeyContext.address);
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ux_flow_init(0, ux_display_public_flow, NULL);
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*flags |= IO_ASYNCH_REPLY;
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}
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#endif // NO_CONSENT
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}
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