67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
#ifdef HAVE_STARKWARE
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#include "shared_context.h"
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#include "apdu_constants.h"
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#include "stark_utils.h"
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#include "feature_stark_getPublicKey.h"
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#include "common_ui.h"
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#include "os_io_seproxyhal.h"
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void handleStarkwareGetPublicKey(uint8_t p1,
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uint8_t p2,
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const 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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bip32_path_t bip32;
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cx_ecfp_private_key_t privateKey;
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uint8_t privateKeyData[32];
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reset_app_context();
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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 != 0) {
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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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io_seproxyhal_io_heartbeat();
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starkDerivePrivateKey(bip32.path, bip32.length, privateKeyData);
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cx_ecfp_init_private_key(CX_CURVE_Stark256, privateKeyData, 32, &privateKey);
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io_seproxyhal_io_heartbeat();
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cx_ecfp_generate_pair(CX_CURVE_Stark256, &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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#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_stark_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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// prepare for a UI based reply
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snprintf(strings.tmp.tmp,
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sizeof(strings.tmp.tmp),
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"0x%.*H",
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32,
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tmpCtx.publicKeyContext.publicKey.W + 1);
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ui_display_stark_public();
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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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#endif
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