CameraFileCopy

about

description

Using animated bar codes, it's possible to send data over the air using only the camera. This app is the barcode decoder (receiver). An encoder (sender) can be seen at <a href='https://cimbar.org/' target='_blank' rel='nofollow'>cimbar.org</a>. With <i>CameraFileCopy</i> it is possible to receive data over the camera as a one-way data channel. It does not use any antennas (wifi, bluetooth, nfc, ...) or other tricks. Notably, this means it works just as well in airplane mode. The app reads animated <a href='https://github.com/sz3/libcimbar' target='_blank' rel='nofollow'>cimbar codes</a>. Nearly all the interesting logic is from libcimbar – included via a git subtree. The sender component of cfc is a cimbar encoder -- such as <a href='https://cimbar.org/' target='_blank' rel='nofollow'>cimbar.org</a>. Navigate to that website (or use libcimbar's <code>cimbar_send</code> to generate barcodes natively), open a file to initialize the cimbar stream, and point the app+camera at the animated barcode.

publisher

78ce6faa72264387284e647ba6938995735ec8c7d5c5a65737e55130f026307d

first seen

2026-10-08T21:22:39.723615+00:00

last event

2026-08-26 23:24 UTC

install

zapstore.dev or any Zapstore-compatible client

source & build

repository

https://github.com/sz3/cfc

arch flags

android-arm64-v8a

manifest

missing

releases (kind 30063)

1 release indexed; latest 0.6.8.

assets & verification

Every app, release and asset event is schnorr-verified (NIP-01 id + signature) before it enters the catalog, and assets are content-addressed by sha256. We subscribe read-only to the catalog relay — never write to it.

0.6.8 — cfc_arm64_0.6.8_cv4.12.apk

sha256

e91d513808629c6a8d218bdf09cf20aff99248cdb957c7e05b6596e5e73c4593

size

8.4 MB

archs

android-arm64-v8a

version code

27

apk cert sha256

b9d144b647930485ebb76d55ee897a9854c264fe50b220118f6c0b0a1b5789b3

download

cfc_arm64_0.6.8_cv4.12.apk

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