RotorCrypt X-Files

RotorCrypt X-Files is a Windows encryption program built to protect files and folders. It works fully offline: no cloud, no external server, and no account required - all encryption happens locally on your device. At its core is the Vault, a digital safe where files and folders are automatically encrypted in three independent layers, a level of protection that cannot realistically be broken with current or foreseeable computing power. An optional fourth layer can be enabled for maximum security. Inside the Vault, files behave like a normal folder: double-click to open and edit, and the file is re-encrypted automatically once closed. Whole folders can be moved in and out just as easily as single files. Files inside the Vault are stored under randomized, identical-looking .rcx names, so their original names and content stay hidden even if someone opens the Vault folder directly on the file system. A one-click privacy screen hides the entire Vault instantly, and an adjustable auto-lock locks the program after inactivity. Deletion uses a military-grade multi-pass wipe method instead of a simple file reference removal. RotorCrypt X-Files can encrypt individual files as RCX files for secure delivery to one specific, confirmed contact. Creating an RCX file requires both sides to have completed a handshake beforehand, after which sender and recipient are mutually verified as trusted contacts - no password is needed to decrypt, since trust has already been established through the handshake. Only that one recipient can ever decrypt the file. Any tampering is detected immediately and decryption is refused. Unlike encrypted text messages, which can only be decrypted once, an RCX file can be decrypted multiple times as long as the contact still exists; deleting the contact makes the file permanently inaccessible. RotorCrypt X-Files can also package encrypted content as a self-extracting EXE file, requiring no separate decryption software on the recipient side. An optional expiration date causes the file to delete itself automatically if opened after the deadline, and it self-deletes after five failed password attempts. RotorCrypt X-Files builds on the same cryptographic foundation as RotorCrypt X, but goes further: up to 100 rotors at 65,535 characters, combined with AES-256-GCM and modern key derivation. Only scientifically vetted algorithms are used: Argon2id, AES-256, ChaCha20, SHA3-256, and classic rotor encryption based on the historical Enigma machine. Per-contact key exchange uses ECDH over X25519, tamper detection uses AES-GCM combined with HMAC-SHA256, and secure deletion follows the DoD 5220.22-M standard. Key advantages: fully offline, no cloud/server/account. Triple encryption by default, optional fourth layer. RCX files for secure one-to-one sharing. Automatic tamper detection. Self-extracting EXE without recipient-side software. Move entire folders in and out of the Vault. Free shareware version available.