...Installation using a python virtual environment is recommended to avoid conflicts between system packages and user-installed packages. For the most part, the behavior of aws-encryption-cli in handling files is based on that of GNU CLIs such as cp. A qualifier to this is that when encrypting a file, if a directory is provided as the destination, rather than creating the source filename in the destination directory, a suffix is appended to the destination filename. By default the suffix is .encrypted when encrypting and .decrypted when decrypting, but a custom suffix can be provided by the caller if desired.
...Content can be packaged as a self-extracting EXE with optional expiration date. Uses only vetted algorithms: Argon2id, AES-256-GCM, ChaCha20, SHA3-256, rotor cipher logic, ECDH X25519, and DoD 5220.22-M secure deletion. Portable, no installation needed. Free shareware version available.
Free offline encryption – encrypt your message before sending
RotorCrypt X is a free offline encryption tool for Windows 10/11 that protects your private messages with six security layers — unreadable even if all files are stolen.
Works with any messenger: encrypt your text, then send it via WhatsApp, Signal, email, or any app you use — the other side decrypts it there.
Six layers: rotor cipher with up to 50 rotors and 241-digit key combinations. Military-grade AES-256 encryption. Modern key derivation with Perfect Forward Secrecy. Strong password...