AFSSI-5020

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AFSSI-5020 is the USAF Cryptologic Support Center's version of the DOD 5220.22-M purging standard. This deletion method first overwrites the target data area with the fixed value (0x00), then with the fixed value (0xff), and then with a randomly selected constant. Finally, at least 10% of the drive is read to verify the overwrites.

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