Are The Keysdatprodkeys Correct File

Some prodkeys contain validity time windows. If your system clock is off (common in VMs or dual-boot setups), the keys will be rejected even if byte-identical. Synchronize with NTP and retest.

net stop sppsvc
copy C:\Windows\System32\spp\backup\tokens.dat C:\Windows\System32\spp\tokens\ /Y
net start sppsvc
slmgr /ato

Save as verify_keysdat.py:

#!/usr/bin/env python3
import json
import base64
import sys
import os
from cryptography.hazmat.primitives import hashes, serialization
from cryptography.hazmat.primitives.asymmetric import padding, rsa
from cryptography.hazmat.backends import default_backend
def verify_symmetric(key_b64, expected_plaintext, tag_b64):
"""Verify AES-GCM or HMAC"""
# Placeholder – implement your actual verification
print(f"Checking symmetric key: key_b64[:20]...")
return True  # Replace with actual crypto check are the keysdatprodkeys correct
def verify_asymmetric(public_pem, message_file, signature_b64):
with open(message_file, 'rb') as f:
message = f.read()
signature = base64.b64decode(signature_b64)
public_key = serialization.load_pem_public_key(public_pem.encode())
try:
public_key.verify(
signature,
message,
padding.PKCS1v15(),
hashes.SHA256()
)
print("✅ Signature valid")
return True
except Exception as e:
print(f"❌ Invalid signature: e")
return False
def main():
# Example: parse keys.dat (assume JSON)
with open('keys.dat', 'r') as f:
data = json.load(f) Some prodkeys contain validity time windows
prodkeys = data.get('prodkeys', {})
if not prodkeys:
    print("No 'prodkeys' found in keys.dat")
    sys.exit(1)
# Perform checks
all_valid = True
for kid, keydata in prodkeys.items():
    print(f"\nChecking key ID: kid")
    if 'type' not in keydata:
        print("⚠️  Missing key type – cannot validate")
        continue
if keydata['type'] == 'symmetric':
        all_valid &= verify_symmetric(keydata['key'], keydata.get('test_plain'), keydata.get('tag'))
    elif keydata['type'] == 'asymmetric':
        all_valid &= verify_asymmetric(keydata['public_pem'], 'license.bin', keydata['signature'])
    else:
        print(f"Unknown type: keydata['type']")
if all_valid:
    print("\n✅ All keysdatprodkeys are correct.")
else:
    print("\n❌ Some keys are incorrect.")
    sys.exit(1)

if name == 'main':
main()

Run:

pip install cryptography
python3 verify_keysdat.py