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identity: import identity from SD card

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Ported from PR #39 by domints with imported-key validation and hash derivation fixed.
This commit is contained in:
domints
2026-06-13 17:52:18 -06:00
committed by DeFiDude
parent 07ee56f9ff
commit 103ebbc997
4 changed files with 76 additions and 0 deletions
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src/reticulum/IdentityManager.cpp
+38
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@@ -64,6 +64,44 @@ String IdentityManager::slotKeyPath(int slotNum) const {
return String(path);
}
int IdentityManager::importIdentity(const String& displayName) {
(void)displayName;
if (!_sd || !_sd->isReady()) return -1;
if ((int)_slots.size() >= MAX_IDENTITIES) return -1;
uint8_t buffer[64];
size_t bytesRead = 0;
if (!_sd->readFile(SD_PATH_IMPORT_ID, buffer, sizeof(buffer), bytesRead) || bytesRead != sizeof(buffer)) {
Serial.println("[IDMGR] Failed to read 64-byte import identity from SD");
return -1;
}
RNS::Bytes privKey(buffer, sizeof(buffer));
RNS::Identity imported(false);
if (!imported.load_private_key(privKey)) {
Serial.println("[IDMGR] Import identity key failed validation");
return -1;
}
int slotNum = (int)_slots.size();
String keyPath = slotKeyPath(slotNum);
if (!_flash->writeAtomic(keyPath.c_str(), privKey.data(), privKey.size())) {
Serial.println("[IDMGR] Failed to save imported identity key");
return -1;
}
IdentitySlot slot;
slot.hash = imported.hexhash();
slot.displayName = "";
slot.keyPath = keyPath;
slot.active = false;
_slots.push_back(slot);
saveSlotMeta();
Serial.printf("[IDMGR] Imported identity %d: %s\n", slotNum, slot.hash.substr(0, 16).c_str());
return slotNum;
}
int IdentityManager::createIdentity(const String& displayName) {
if ((int)_slots.size() >= MAX_IDENTITIES) return -1;