Encrypted data installation
US8150036B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2007 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Jun 18, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2143
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A base encryption method may be applied to plain data to form base encrypted data. An installation encryption method may be applied to the base encryption data to provide encrypted installation data. During installation, the encrypted installation data are encrypted to form encrypted storage data for storage on a storage medium such as a hard drive. Preferably, the data are not fully decrypted at any stage of the installation process. The host CPU may be minimally involved (or not involved) in the encryption/decryption process. Some embodiments provide a logic seal (a/k/a a “tell-tale circuit”) that monitors access to a machine. In some such implementations, an encryption/decryption key may be stored in the logic seal. When the logic seal is broken, countermeasures may be taken, e.g., at least some data may be deleted. For example, one or more cryptographic keys may be erased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.