Patent ID: 11880587
Assignee: LENOVO (SINGAPORE) PTE. LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. The method of claim 8, wherein:
the storage device comprises a plurality of storage sectors;
performing the set of overwrite operations on the storage device comprises performing the set of overwrite operations on the plurality of storage sectors to data wipe each of the plurality of storage sectors; and
the method further comprises:
signing, via a private encryption key, the set of auditable traces on a data wiped storage sector of the plurality of data wiped storage sectors with a digital certificate,
writing an eyecatcher to the data wiped storage sector such that the eyecatcher and the set of auditable traces are co-located on the data wiped storage sector,
scanning the plurality of data wiped storage sectors to locate the eyecatcher,
in response to locating the eyecatcher on the data wiped storage sector on which the eyecatcher and the set of auditable traces are co-located, utilizing a public encryption key to authenticate the private encryption key,
validating the data wipe in response to the public encryption key authenticating the private encryption key, and
invalidating the data wipe in response to the public encryption key not authenticating the private encryption key.