New app: Cambium

The Crypto Donkeyrequested to merge
TheCryptoDonkey/fdroiddata:cambium into master

New app: Cambium

Android NIP-55 signer proxy that holds no user keys — every signing request is forwarded to a paired Heartwood hardware signer over NIP-46 (Nostr relays).

  • Source: https://github.com/forgesworn/cambium
  • Licence: MIT
  • App ID: dev.forgesworn.cambium
  • I am the upstream author of this app, submitting it myself
  • Fastlane metadata (summary, description, changelogs, 512×512 icon) is in the app repo
  • Tags follow vX.Y.Z; AutoUpdateMode: Version should pick up future releases

Notes for reviewers:

  • Depends on org.rust-nostr:nostr-sdk from Maven Central, which ships a prebuilt native AAR — same situation as existing signer apps (e.g. Amber, com.greenart7c3.nostrsigner, whose recipe this one mirrors).
  • Build needs JDK 21 (AGP 8.x, jvmToolchain(21)); happy to adjust the recipe to whatever the buildserver expects.
  • Releases are also self-published (GitHub/Zapstore) under our own key; we are aware the F-Droid build will carry F-Droid's signature. A reproducible-builds follow-up (AllowedAPKSigningKeys) may come later.

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