03 · Encrypted Sender

Transmit with encryption

Optionally protect the payload with a password before streaming. The file is encrypted with AES-256-GCM (PBKDF2 key derivation) — the receiver must supply the correct password to decrypt and download.

Configuration

Encryption — optional

Password (leave empty to skip encryption)

Payload

Grid size — spatial multiplexing (N × N)

Frame interval — temporal multiplexing

300 ms per frame ≈ 3.3 fps

Chunk size (raw bytes / QR)

QR error-correction level

Loop cyclicallyreliability via cyclic redundancy

Load a file to start — your QR stream will play here

Codes / frame

—

Total chunks

—

Frames / cycle

—

Est. cycle time

—s

Frames shown

Cycles

idle

raw goodput ≈ — kbps

No password set — the stream is transmitted in the clear, identical to the standard transmit page.