2 files changed, 30 insertions, 0 deletions
diff --git a/src/core/crypto/key_manager.cpp b/src/core/crypto/key_manager.cpp
index e61a59fc9..eb5dd8cb1 100644
--- a/src/core/crypto/key_manager.cpp
+++ b/src/core/crypto/key_manager.cpp
@@ -1290,4 +1290,31 @@ bool KeyManager::AddTicket(const Ticket& ticket) {
     SetKey(S128KeyType::Titlekey, key.value(), rights_id[1], rights_id[0]);
     return true;
 }
+
+bool KeyManager::IsFirmwareAvailable() const {
+    // Check for essential keys that would only be present with firmware
+    if (!HasKey(S128KeyType::Master, 0)) {
+        return false;
+    }
+
+    // Check for at least one titlekek
+    bool has_titlekek = false;
+    for (size_t i = 0; i < CURRENT_CRYPTO_REVISION; ++i) {
+        if (HasKey(S128KeyType::Titlekek, i)) {
+            has_titlekek = true;
+            break;
+        }
+    }
+
+    if (!has_titlekek) {
+        return false;
+    }
+
+    // Check for header key
+    if (!HasKey(S256KeyType::Header)) {
+        return false;
+    }
+
+    return true;
+}
 } // namespace Core::Crypto
diff --git a/src/core/crypto/key_manager.h b/src/core/crypto/key_manager.h
index 0adf3701f..2a5f0c093 100644
--- a/src/core/crypto/key_manager.h
+++ b/src/core/crypto/key_manager.h
@@ -296,6 +296,9 @@ public:
     void ReloadKeys();
     bool AreKeysLoaded() const;
 
+    // Check if firmware is installed by verifying essential keys
+    bool IsFirmwareAvailable() const;
+
 private:
     KeyManager();