feat:

- added retry logic with exponential backoff
- per request base_url setting
- configurable key_dir
- protocol downgrade protection
- public secure memory API

src/index.ts

@@ -13,3 +13,13 @@ export * from './types/crypto';
 
 // Export errors
 export * from './errors';
+
+// Secure memory public API — mirrors Python's get_memory_protection_info(),
+// disable_secure_memory(), enable_secure_memory(), and SecureBuffer/secure_bytearray()
+export {
+    getMemoryProtectionInfo,
+    disableSecureMemory,
+    enableSecureMemory,
+    SecureByteContext,
+    createSecureMemory,
+} from './core/memory/secure';