Active Standard

IEEE 1619.2-2021

IEEE Standard for Wide-Block Encryption for Shared Storage Media

EME2-AES and XCB-AES wide-block encryption with associated data (EAD) modes of the NIST AES block cipher, providing usage guidelines and test vectors, are described. A wide block encryption algorithm behaves as a single block cipher with a large plaintext input and ciphertext output, but uses a narrow block cipher [in this case Advanced Encryption Standard (AES)] internally. These encryption modes are oriented toward random access storage devices that do not provide authentication, but need to reduce the granularity of a potential attack.

Sponsor Committee
C/CPSC - Cybersecurity and Privacy Standards Committee
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Status
Active Standard
PAR Approval
2020-05-15
Superseding
1619.2-2010
Board Approval
2021-05-09
History
Published:
2021-06-16

Working Group Details

Society
IEEE Computer Society
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Sponsor Committee
C/CPSC - Cybersecurity and Privacy Standards Committee
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Working Group
SIS-WG - Security in Storage Working Group
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IEEE Program Manager
Tom Thompson
Contact
Working Group Chair
Jim Hatfield

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IEEE Standard for Wide-Block Encryption for Shared Storage Media

EME2-AES and XCB-AES wide-block encryption with associated data (EAD) modes of the NIST AES block cipher, providing usage guidelines and test vectors, are described. A wide-block encryption algorithm behaves as a single block cipher with a large plaintext input and ciphertext output, but uses a narrow block cipher [in this case Advanced Encryption Standard (AES)] internally. These encryption modes are oriented toward random access storage devices that do not provide authentication, but need to reduce the granularity of a potential attack.

Learn More

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