wip: add util functions for dpapi string en- and decryption

src-tauri/Cargo.toml

@@ -39,7 +39,8 @@ once_cell = "1.21.3"
 
 [target.'cfg(windows)'.dependencies]
 winreg = "0.55.0"
-winapi = { version = "0.3", features = ["winuser"] }
+winapi = { version = "0.3", features = ["winuser", "wincrypt", "memoryapi", "winbase", "dpapi"] }
+base64 = "0.21"
 
 [target.'cfg(not(any(target_os = "android", target_os = "ios")))'.dependencies]
 tauri-plugin-single-instance = "2.3.0"