Observed arrival · 2026-09-02
Mañana, Notes the Server Can't Read
Mañana is a cross-platform notes app that encrypts entries on the device before syncing ciphertext to a self-hosted server.
Field notes
The described workflow keeps encryption on the device, sends ciphertext through notes.cheysoff.com, and pairs devices with a six-digit camera-readable code. The page distinguishes hidden content from unavoidable metadata: the server reportedly sees counts, padded sizes, change timing, and device counts, but not note text, titles, record identities, or keys. Its implementation list includes Kotlin Multiplatform Compose, SQLCipher, AES-256-GCM, P-256 ECDH, HKDF, Ktor, and hybrid logical clocks.
Observed signals
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