# 🎯 SM-PY-BC Current Status

**Date:** 2025-12-06 15:10 UTC  
**Test Agent Status:** ✅ Work Complete  
**Development Agent Status:** 🔴 Action Required  

---

## 📊 Test Results Summary

```
Total:   547 tests
Passed:  543 tests ✅ (99.3%)
Failed:  3 tests   ❌ (0.5%)
Skipped: 1 test    ⚠️ (0.2%)
Time:    3.12 seconds
```

---

## 🚨 Action Required: Fix 3 GCM Tests

**All failing tests are in GCM mode** (Galois/Counter Mode):

```
❌ test_with_aad                      - AAD not working
❌ test_tampered_tag_rejected         - MAC verification issue
❌ test_tampered_ciphertext_rejected  - MAC verification issue
```

**What to do:**
1. Read `docs/GCM_ISSUES_2025-12-06.md` (comprehensive fix guide)
2. Fix MAC calculation in `src/sm_bc/crypto/modes/gcm_block_cipher.py`
3. Run: `python -m pytest tests/test_gcm_mode.py -v`
4. Confirm all tests pass
5. Create `GCM_FIXES_COMPLETE.md` when done

---

## ✅ What's Working (543 tests)

Everything else works perfectly:

- ✅ SM2 signing/verification/encryption/key exchange
- ✅ SM3 digest operations  
- ✅ SM4 encryption (ECB, CBC, CFB, OFB, CTR modes)
- ✅ All padding schemes (PKCS7, ISO7816-4, etc.)
- ✅ All math operations (EC curves, points, field elements)
- ✅ All utility classes (Arrays, BigIntegers, Integers, Pack)
- ✅ GraalVM Java-Python interop foundation

---

## 📚 Documentation Created

All work is fully documented:

1. **`docs/TEST_ALIGNMENT_TRACKER.md`** - Main tracking (updated)
2. **`docs/TEST_RUN_REPORT_2025-12-06.md`** - Detailed test results
3. **`docs/GCM_ISSUES_2025-12-06.md`** - Fix instructions ⭐ READ THIS
4. **`docs/GRAALVM_INTEROP_PLAN.md`** - GraalVM integration plan
5. **`docs/TEST_AGENT_SESSION_SUMMARY_2025-12-06.md`** - Full summary

---

## 🔄 After GCM Fix

Once GCM is fixed (547/547 tests passing), next priorities:

1. ✅ Verify 100% test pass rate
2. 🟡 Complete GraalVM interop tests (align with JS - 300+ tests)
3. 🟡 Add property-based tests
4. 🟡 Add stress tests for large data

---

## ⚡ Quick Commands

```bash
# Run all tests
cd sm-py-bc
python -m pytest tests/ -v

# Run only failing tests
python -m pytest tests/test_gcm_mode.py::TestGCMBlockCipher::test_with_aad -v
python -m pytest tests/test_gcm_mode.py::TestGCMBlockCipher::test_tampered_tag_rejected -v
python -m pytest tests/test_gcm_mode.py::TestGCMBlockCipher::test_tampered_ciphertext_rejected -v

# Quick run (no verbose)
python -m pytest tests/ -q
```

---

## 🎉 Bottom Line

**The Python SM-BC implementation is 99.3% tested and working!**  
Only 3 GCM tests need fixing to reach 100%.

All work is documented. Ready for development agent to fix GCM issues.

---

**Status:** 🤝 Handoff Ready  
**Next Agent:** Development Agent  
**Priority:** Fix GCM (P0 - Critical)
