16 Verified ((full)): Zeroware Cs

| Requirement | Specification | |-------------|----------------| | | 3-pass minimum (Random → Complement → Random) OR Crypto-erase with independent verification of key destruction. | | Verification Method | Block-level read-after-write with cryptographic hash comparison (SHA-3-256). | | Failure Threshold | Zero (0) mismatched or unreadable blocks tolerated. | | Audit Trail | Digitally signed, timestamped log with device serial number and operator ID. | | Media Type | All CS 16-eligible devices (see Appendix B). |

| Standard | Passes | Verification? | Best For | Speed | | :--- | :--- | :--- | :--- | :--- | | | 0 | No | Personal use | Seconds | | Single Pass Zero | 1 | Rarely | Consumer resale | Fast | | DoD 5220.22-M | 3 | Sometimes | Legacy magnetic drives | Moderate | | Zeroware CS 16 | 16 | Yes (Mandatory) | Enterprise/Compliance | Slow (Secure) | | Gutmann (35x) | 35 | No | Ancient MFM drives | Extremely Slow | zeroware cs 16 verified