Opal Storage Specification
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The Opal Storage Specification is a set of specifications for features of data storage devices (such as hard disk drives and solid state drives) that enhance their security. For example, it defines a way of encrypting the stored data so that an unauthorized person who gains possession of the device cannot see the data. That is, it is a specification for self-encrypting drives (SED).
The specification is published by the Trusted Computing Group Storage Workgroup.
Overview
Script error: No such module "Unsubst". The Opal SSC (Security Subsystem Class) is an implementation profile for Storage Devices (SD) built to:
- Protect the confidentiality of stored user data against unauthorized access once it leaves the owner's control (involving a power cycle and subsequent deauthentication).
- Enable interoperability between multiple SD vendors.[1]
Functions
Script error: No such module "Unsubst". The Opal SSC encompasses these functions:
- Security provider support
- Interface communication protocol
- Cryptographic features
- Authentication
- Table management
- Access control and personalization
- Issuance
- SSC discovery
Features
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- Security Protocol 1 support
- Security Protocol 2 support
- Communications
- Protocol stack reset commands
Security
Radboud University researchers indicated in November 2018 that some hardware-encrypted SSDs, including some Opal implementations, had security vulnerabilities.[2]
Implementers of SSC
Device companies
- Hitachi
- Intel Corporation[3]
- Kingston Technology[4]
- Lenovo[5]
- Micron Technology[6]
- Samsung[7]
- SanDisk[8]
- Seagate Technology[9][10] as "Seagate Secure"
- Toshiba[11][12][13]
Storage controller companies
Software companies
- Absolute Software[17]
- Check Point Software Technologies[18]
- Dell Data Protection[19]
- Cryptomill[20]
- McAfee[21]
- Secude [22]
- Softex Incorporated[23]
- Sophos[24]
- Symantec[25] (Symantec supports OPAL drives, but does not support hardware-based encryption.)[26]
- Trend Micro[27]
- WinMagic[28]
- OpalLock[29](OpalLock support Self-Encrypt-Drive capable SSD and HDD. Develop by Fidelity Height LLC)
Computer OEMs
References
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- ↑ TCG Storage Security Subsystem Class: Opal Specification Version 2.01 Revision 1.00. Trusted Computing Group, Incorporated. 05 August 2015. Retrieved 2019-11-22.
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