Are The Keys.dat/prod.keys Correct?

| Check | Procedure | Expected Result | Actual Result | Status | |-------|------------|----------------|----------------|--------| | File existence | Locate keys.dat / prod.keys | Both present | [Yes/No] | ✅ / ❌ | | File size | Compare to known good reference | [e.g., 512 bytes] | [Actual size] | ✅ / ❌ | | Magic header | Hex dump first 4–16 bytes | Matches known header (e.g., PK or PROD ) | [Hex output] | ✅ / ❌ | | Checksum (MD5/SHA) | Compare with official hash | Exact match | [Your hash] | ✅ / ❌ | | Signature verification | Use app’s public key or tool | “Valid signature” | [Output] | ✅ / ❌ | | Expiry / validity period | Parse key metadata (if present) | Not expired / within range | [Dates] | ✅ / ❌ | | Load test | Attempt to load into target app | Loads without error | [Result] | ✅ / ❌ |

I can then help you interpret the results or guide you through the verification steps. are the keys.dat/prod.keys correct?

Determine whether the key files are:

: If SAK continues to fail, users often switch to the NSZ command-line tool directly, which sometimes provides more descriptive error messages. | Check | Procedure | Expected Result |

Game opens but shows a black screen.

If this file is empty, outdated, or formatted wrong, nothing will work. If this file is empty, outdated, or formatted