![]() ![]() When the SED no longer has power, the MEK plain text is lost, rendering the drive “locked.” The MEK is generated internally in the SED and is persistently stored in encrypted form its plain text is kept only within the SED controller and only while the SED has power. By encrypting the entire drive, users do not have to worry about their data being accessed if the drive, laptop or mobile device gets stolen or lost.Īn Authentication Credential (which may be derived from a password, passphrase or other authentication mechanism) is used to generate a Key Encryption Key (KEK), which encrypts the Media Encryption Key (MEK) before it is stored in the SED. Self-encrypting drives (SEDs) supporting Opal 2.0 use hardware encryption technology to secure data stored in them. The Opal SSC, currently available in version 2.0, presents a hierarchy of security management standards to secure data from theft and tampering by unauthorized persons who are able to gain access to the storage device or host system where the storage device resides. The TCG Opal Security Subsystem Class (SSC) is a set of specifications for self-encrypting drives (SEDs) developed by the Trusted Computing Group (TCG), a non-profit organization that develops, defines, and promotes open standards and specifications for secure computing.
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