Security Parameters Index (SPI)

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Abbreviation(s) and Synonym(s):

SPI

NIST SP 800-77, NIST SP 800-77 Rev. 1

Definition(s):

An arbitrarily chosen value that acts as a unique identifier for an IPsec connection.
Source(s):
NIST SP 800-77 Rev. 1

Arbitrarily chosen value that acts as a unique identifier for an IPsec connection.
Source(s):
NIST SP 800-77 [Superseded] under Security Parameters Index

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.

Information Technology Laboratory

Computer Security Resource Center

Computer Security Resource Center

Security Parameters Index (SPI)

Glossary Comments