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Communicator™ — Encrypted Chat (Port 49199)

Persistent 1-hour telnet chat server with end-to-end encryption negotiation.

Cipher Options (dropdown):

# Cipher Key Size Notes
1 AES-256-GCM 256-bit Default. Authenticated encryption.
2 RSA-2048 2048-bit DH derives symmetric key, RSA for signing.
3 RSA-4096 4096-bit Higher security RSA variant.
4 Twofish-256 256-bit BouncyCastle; falls back to AES-256-CBC.
5 ECC-secp256r1 256-bit ECDH key exchange + AES-GCM.
6 ChaCha20-Poly1305 256-bit Modern stream cipher with authentication.

Key Exchange: DH-2048 (RFC 3526 Group 14) for ciphers 1–4,6. ECDH (secp256r1) for cipher 5.

Protocol:

telnet localhost 49199
identify <nationalId>
encrypt                          ← show cipher dropdown
encrypt 1                        ← initiate AES-256-GCM via DH
  → server sends DH public key (hex)
encrypt accept <your_pubkey_hex> ← complete key exchange
  → session now encrypted
encrypt off                      ← disable encryption

Profile (persistent settings):

profile                      ← view current settings
profile cipher 6             ← save ChaCha20 as default (auto-suggests on next login)
profile clear                ← clear preference

Source:

  • source/communicator/Communicator.java — Chat server
  • source/communicator/CommunicatorCrypto.java — Cipher negotiation, DH/ECDH, encrypt/decrypt
  • Database: communicator_profiles table (national_id → preferred_cipher)

Module Startup/Shutdown Scripts

All modules have dedicated scripts at their root for frontend (webapp) and backend (TCP servers).

Brarner.M.Alete™

Script Purpose
start.sh Build WAR + deploy to Tomcat + start Tomcat
shutdown.sh Undeploy from Tomcat (--stop-tomcat to also stop Tomcat)
start-backend.sh Start TCP servers (Postal, SSA, Art, Legal)
shutdown-backend.sh Stop all backend TCP servers

Location: modules/black/presidential/Brarner.M.Alete/

Green.Durham.Grass.and.Herb™

Script Purpose
start-frontend.sh Deploy webapp to Tomcat + start Tomcat
shutdown-frontend.sh Undeploy from Tomcat (--stop-tomcat)
installation/start.sh Start backend TCP server (Appree, listeners)
installation/stop.sh Stop backend

Location: modules/black/presidential/Green.Durham.Grass.and.Herb/

Futures™ (Democratic ProFront National 1.0)

Script Purpose
start-frontend.sh Deploy webapp to Tomcat + start Tomcat
shutdown-frontend.sh Undeploy from Tomcat (--stop-tomcat)
bash/start.sh Start AI server on port 5000
bash/shutdown.sh Stop port 5000 server

Location: modules/black/red/Futures/

Black Belt™

Script Purpose
start.sh Deploy webapp to Tomcat + setup MySQL + start Tomcat
shutdown.sh Undeploy from Tomcat (--stop-tomcat)

Location: modules/black/belt/

Main NWE (all backend modules)

Script Purpose
scripts/startup.sh Start NWE Main (all servers, G1GC, 4GB heap)
scripts/start-backend-modules.sh Start NWE + verify all 19 ports
scripts/start-backend-modules.sh --stop Stop NWE Main

Integrity System

Post-install SHA-256 file verification. Non-blocking — program continues running regardless of findings.

Tech ID: Gifted Install Tech ID (not MEARVK LLC Installer Tech ID)

Schedule: Every 2 days at 06:00 (0 6 */2 * *)

Scripts:

File Purpose
integrity/post-install-integrity-check.sh Main integrity scan (SHA-256 + MD5)
cron/integrity-check.sh Cron wrapper for periodic runs
integrity/integrity-schema.sql MySQL schema for nwe_integrity database
modules/black/red/Futures/bash/integrity.sh Futures-specific integrity check
modules/black/presidential/Brarner.M.Alete/install/verify-integrity.sh BMA integrity verification
modules/black/presidential/Brarner.M.Alete/install/generate-integrity.sh BMA digest generation

Behavior:

  1. Self-integrity check first (verifies its own scripts)
  2. Full SHA-256 + MD5 scan of all git-tracked files
  3. On corruption (same commit, different hash) → auto-restore from GitHub
  4. On update (different commit) → preserve original digests in integrity/history/
  5. Concerns logged to integrity/concerns/ (non-blocking, append-only)

Database: nwe_integrity — tables: honor_oath, file_digests, file_digests_history, integrity_concerns, scan_history

No DELETE on any table. No UPDATE on history or concerns.

Trusted servers:

  • github.com/mearvk/Java.Web.Server.Telnet.Front.Java.21 (primary)
  • github.com/ElisabethHarkins5509 (secondary)

Install:

mysql < integrity/integrity-schema.sql
bash integrity/post-install-integrity-check.sh
sudo bash cron/install-cron.sh