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A '''key''' is "a value used in combination with an [[algorithm]] to [[encrypt]] or [[decrypt]] [[data]]."<ref>[[Privacy and Civil Liberties Policy Development Guide and Implementation Templates]], App. E, Glossary.</ref> |
A '''key''' is "a value used in combination with an [[algorithm]] to [[encrypt]] or [[decrypt]] [[data]]."<ref>[[Privacy and Civil Liberties Policy Development Guide and Implementation Templates]], App. E, Glossary.</ref> |
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| − | === Hardware === |
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A '''key''' (also called an '''electronic key''') is |
A '''key''' (also called an '''electronic key''') is |
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::1. The [[computation]] of a [[digital signature]] from [[data]], and |
::1. The [[computation]] of a [[digital signature]] from [[data]], and |
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::2. The [[verification]] of a [[digital signature]].<ref>[[FIPS 186-3]].</ref>}} |
::2. The [[verification]] of a [[digital signature]].<ref>[[FIPS 186-3]].</ref>}} |
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== References == |
== References == |
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Revision as of 23:24, 10 October 2019
Definitions
Encryption
A key is "a value used in combination with an algorithm to encrypt or decrypt data."[1]
A key (also called an electronic key) is
| “ | [t]he numerical value used to control cryptographic operations, such as decryption, encryption, signature generation, or signature verification.[2] | ” |
| “ | [u]sually a sequence of random or pseudorandom bits used initially to set up and periodically change the operations performed in crypto-equipment for the purpose of encrypting or decrypting electronic signals, or for determining electronic counter-countermeasures patterns, or for producing other key[s].[3] | ” |
| “ | [a] parameter used in conjunction with a cryptographic algorithm that determines its operation. Examples include:
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” |
General
Key means "[m]ajor or most important; critical to achieving your intended outcome."[5]
References
- ↑ Privacy and Civil Liberties Policy Development Guide and Implementation Templates, App. E, Glossary.
- ↑ NICCS, Explore Terms: A Glossary of Common Cybersecurity Terminology (full-text).
- ↑ CNSSI 4009, at 35.
- ↑ FIPS 186-3.
- ↑ Baldrige Cybersecurity Excellence Builders, at 26.