Hermes: Private PGP

Hermes: The Quiet Space for Your Digital Truth.

Hermes brings the power of robust PGP cryptography to Android with a human-centric, minimalist design. Inspired by desktop tools like Kleopatra, Hermes is built on a single, uncompromising principle: your private keys never leave your device.

Why Hermes?
In an era of cloud-everything, Hermes offers a sanctuary for your data. No accounts, no subscriptions, and no backend servers. Every cryptographic operation happens locally using the Android Keystore and Bouncy Castle PGP.

Key Features:

- Local Key Management: Generate RSA-4096 or Ed25519 key pairs directly on your phone.

- Total Privacy: Import and export existing keys via .asc or .gpg files without internet exposure.

- Secure Messaging: Encrypt messages and files for multiple recipients with ease.

- Digital Signatures: Sign payloads and verify signatures to ensure authenticity and integrity.

- Zero Knowledge: We don't store your data because we never see it. No telemetry, no cloud sync.

Technical Excellence:

- Modern Stack: Built with Jetpack Compose and Material 3 for a fluid, "Tactile Digital Archive" experience.

- Industry Standard: Fully compliant with the OpenPGP protocol.

- Optimized Performance: Fast encryption and key generation using the latest security libraries.

Take control of your digital identity. Experience PGP the way it was meant to be: private, local, and calm.