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Appendix 70

Appendix

Encryption algorithms

In keeping with the encryption standards outlined in FIPS 140-2

(http://csrc.nist.gov/groups/STM/cmvp/documents/fips140-2/FIPS1402IG.pdf), controllers utilizing HP

Secure Encryption are designed to meet FIPS-140-2 Level 2 requirements by implementing both physical

security and cryptographic methods in protecting data-at-rest. Specifically, HP Secure Encryption satisfies the

cryptographic requirements established in FIPS 140-2 by using NIST-approved algorithms in protecting both

data and encryption keys. For more information, see the Cryptographic Algorithm Validation Program

website (http://csrc.nist.gov/groups/STM/cavp/standards.html).

Algorithm Description

XTS-AES 256-bit

The XTS algorithm is used to encrypt data on the drive platter as described in NIST

special publication SP 800-38E.

AES-ECB

The AES algorithm is used to perform symmetric key encryption.

SHA-256

The SHA secure hashing algorithms are described in FIPS 180-4.

HMAC

The HMAC algorithm is described in the FIPS 198-1 standard.

PBKDF2

The PBKDF2 algorithm derives cryptographic keying material from user-provided

passwords. The algorithm is described in NIST special publication SP 800-132.

DRBG

An implementation of the SP800-90A algorithm is used to produce random bit

sequences.

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Hp Secure Encryption Manual de usuario Pagina 70