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dtrentin 39a9566858 feat(07-license-core): RSA offline license core 
Phase 07 complete:
- IMachineFingerprint + ILicenseValidator interfaces
- MachineFingerprint: WMI CPU ProcessorID + BaseBoard SerialNumber
- LicenseValidator: RSACryptoServiceProvider + SHA256, injectable public key
- LicenseFile.TryRead: out-param bool, no exceptions from file I/O
- 6 NUnit tests (valid/wrong-machine/tampered/empty/not-base64/missing-file)
- 118 tests total, 116 pass, 2 Fanuc FOCAS ignored (Windows DLL)
- Fix: missing 'using System' in CncMachineFactoryTests.cs
- Fix: Dockerfile.test updated for NcProgramManager rename

PublicKeyXml = PLACEHOLDER until Phase 09 generates real key pair.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-17 22:58:14 +02:00

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Project State

Project Reference

See: .paul/PROJECT.md (updated 2026-05-17)

Core value: Machinists transfer CNC programs to/from any controller without manual steps or internet Current focus: v0.1 complete — ready for next milestone planning

Current Position

Milestone: v0.2 NcProgramManager Phase: 3 of 4 (08-license-integration) — Not started Plan: Not started Status: Ready to plan Phase 08 Last activity: 2026-05-17 — Phase 07 complete, transitioned to Phase 08

Progress:

  • Milestone v0.1: [██████████] 100% (complete)
  • Milestone v0.2: [█████░░░░░] 50%
  • Phase 08: [░░░░░░░░░░] 0%

Loop Position

Current loop state:

PLAN ──▶ APPLY ──▶ UNIFY
  ✓        ✓        ✓     [Loop complete — ready for next PLAN]

What Was Built (v0.1 Multi-CN Release)

Phase 1 — CNC Abstraction

  • Namespace: Fanuc_integration.Cnc.* → FanucProgramManager.Cnc.* (29 files)
  • IFocasDialect extended: UploadStart/DownloadStart accept short fileType
  • IFanucMachine created: extends ICncMachine with tool offset + work zero R/W
  • CncManufacturer enum: Fanuc, Heidenhain, Siemens, Mitsubishi
  • All 29 Cnc/**/*.cs files added to csproj

Phase 2 — Heidenhain LSV2

  • HeidenhainConnectionConfig — IP, port 19000, credentials, timeout
  • Lsv2Client — TCP framing, CRC-16/CCITT, login (SELECT+LOG_IN), ReceiveFile/SendFile
  • HeidenhainMachine : ICncMachine — RunGuardedAsync pattern, state machine

Phase 3 — Siemens + Mitsubishi FTP

  • SiemensConnectionConfig / SiemensFtpClient / SiemensMachine : ICncMachine
  • MitsubishiConnectionConfig / MitsubishiFtpClient / MitsubishiMachine : ICncMachine

Phase 4 — Wiring

  • CncMachineFactory — creates right ICncMachine from InputArgs
  • InputArgs — added manufacturer, username, password fields
  • Program.cs — full rewrite using ICncMachine; Fanuc 3-file via IFanucMachine cast

Phase 5 — NC Validator

  • ValidationSeverity / ValidationError / ValidationResult model types
  • INcProgramValidator + NcProgramValidator (5 universal + per-manufacturer rules)
  • Validator injected into all 4 machine classes; upload blocked on Error severity
  • NcProgramValidatorTests — 30+ NUnit tests

Test Infrastructure

  • FanucProgramManager.Tests/ — NUnit 3.13.3 + Moq 4.18.4, .NET 4.7.2
  • FtpServerStub + Lsv2ServerStub — in-process TCP stubs
  • Unit + integration tests; Fanuc FOCAS tests [Ignore]d (Windows-only DLL)

CLI Args (v0.1)

  • -manufacturer=fanuc|heidenhain|siemens|mitsubishi (default: fanuc)
  • -username= (Heidenhain/Siemens/Mitsubishi)
  • -password= (Heidenhain/Siemens/Mitsubishi)

Accumulated Context

Decisions

  • .NET 4.7.2 locked — max compatibility
  • RSA asymmetric offline licensing: private key vendor-only, public key embedded in binary
  • PublicKeyXml = PLACEHOLDER until Phase 09 generates real key pair
  • RSACryptoServiceProvider + SHA256CryptoServiceProvider (not HashAlgorithmName) — .NET 4.7.2 compat
  • Constructor injection pattern: internal ctor accepts key XML — testable without Windows WMI
  • Heidenhain: LSV2 port 19000, needs real hardware testing
  • Siemens: FTP /_N_MPF_DIR/, needs Sinumerik FTP option enabled on machine
  • # = Warning in Fanuc/Mitsubishi — macro variable indicator

Deferred Issues

  • License wiring into Program.cs — Phase 08 target
  • License generator tool — Phase 09 target
  • Real RSA key pair — Phase 09 output; copy PublicKeyXml into LicenseValidator.cs
  • Heidenhain: ReadActiveProgramAsync / SelectMainProgram not implemented
  • Siemens: same as Heidenhain
  • Build + integration not verifiable on Linux (fwlib32 Windows-only)
  • MachineFingerprint WMI — code-review verified, needs real Windows hardware test

Blockers/Concerns

None — Phase 08 can start.

Session Continuity

Last session: 2026-05-17 Stopped at: Phase 07 complete (UNIFY done) Next action: /paul:plan for Phase 08 (license-integration) Resume file: .paul/ROADMAP.md

STATE.md — Updated after every significant action