Merge Starkware branch

src_features/stark_getPublicKey/cmd_stark_getPublicKey.c

@@ -0,0 +1,65 @@
+#ifdef HAVE_STARKWARE
+
+#include "shared_context.h"
+#include "apdu_constants.h"
+#include "stark_utils.h"
+#include "feature_stark_getPublicKey.h"
+#ifdef TARGET_BLUE
+#include "ui_blue.h"
+#endif
+#ifdef HAVE_UX_FLOW
+#include "ui_flow.h"
+#endif
+
+void handleStarkwareGetPublicKey(uint8_t p1, uint8_t p2, uint8_t *dataBuffer, uint16_t dataLength, unsigned int *flags, unsigned int *tx) {
+  UNUSED(dataLength);
+  uint8_t privateKeyData[32];
+  uint32_t bip32Path[MAX_BIP32_PATH];
+  uint32_t i;
+  uint8_t bip32PathLength = *(dataBuffer++);
+  cx_ecfp_private_key_t privateKey;
+  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 != 0) {
+    THROW(0x6B00);
+  }
+  for (i = 0; i < bip32PathLength; i++) {
+    bip32Path[i] = U4BE(dataBuffer, 0);
+    dataBuffer += 4;
+  }
+  io_seproxyhal_io_heartbeat();
+  starkDerivePrivateKey(bip32Path, bip32PathLength, privateKeyData);
+  cx_ecfp_init_private_key(CX_CURVE_Stark256, privateKeyData, 32, &privateKey);
+  io_seproxyhal_io_heartbeat();
+  cx_ecfp_generate_pair(CX_CURVE_Stark256, &tmpCtx.publicKeyContext.publicKey, &privateKey, 1);
+  os_memset(&privateKey, 0, sizeof(privateKey));
+  os_memset(privateKeyData, 0, sizeof(privateKeyData));
+  io_seproxyhal_io_heartbeat();
+#ifndef NO_CONSENT
+  if (p1 == P1_NON_CONFIRM)
+#endif // NO_CONSENT
+  {
+    *tx = set_result_get_stark_publicKey();
+    THROW(0x9000);
+  }
+#ifndef NO_CONSENT
+  else
+  {
+    // prepare for a UI based reply
+    snprintf(strings.tmp.tmp, sizeof(strings.tmp.tmp), "0x%.*H", 32, tmpCtx.publicKeyContext.publicKey.W + 1);
+    ux_flow_init(0, ux_display_stark_public_flow, NULL);
+
+    *flags |= IO_ASYNCH_REPLY;
+  }
+#endif // NO_CONSENT
+}
+
+
+#endif