NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

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NIST IR 7298 Revision 1, Glossary of Key Information Security Terms Public Key – A cryptographic key that is used with a public key cryptographic algorithm. The public key is uniquely associated with an entity and may be made public. In an asymmetric (public) cryptosystem, the public key is associated with a private key. The public key may be known by anyone and, depending on the algorithm, may be used to— 1) Verify a digital signature that is signed by the corresponding private key, 2) Encrypt data that can be decrypted by the corresponding private key, or 3) Compute a piece of shared data. SOURCE: SP 800-57 Public Key – A cryptographic key used with a public key cryptographic algorithm, uniquely associated with an entity, and which may be made public; it is used to verify a digital signature; this key is mathematically linked with a corresponding private key. SOURCE: FIPS 196 Public Key – A cryptographic key used with a public key cryptographic algorithm that is uniquely associated with an entity and that may be made public. SOURCE: FIPS 140-2 A cryptographic key that may be widely published and is used to enable the operation of an asymmetric cryptography scheme. This key is mathematically linked with a corresponding private key. Typically, a public key can be used to encrypt, but not decrypt, or to validate a signature, but not to sign. SOURCE: CNSSI-4009 Public Key Certificate – A digital document issued and digitally signed by the private key of a Certification Authority that binds the name of a subscriber to a public key. The certificate indicates that the subscriber identified in the certificate has sole control and access to the private key. SOURCE: SP 800-63 Public Key Certificate – A set of data that unambiguously identifies an entity, contains the entity's public key, and is digitally signed by a trusted third party (certification authority). SOURCE: FIPS 196 Public Key Certificate – A set of data that uniquely identifies an entity, contains the entity’s public key, and is digitally signed by a trusted party, thereby binding the public key to the entity. SOURCE: FIPS 140-2 See Also Certificate. Pg 148
NIST IR 7298 Revision 1, Glossary of Key Information Security Terms Public Key (Asymmetric) Cryptographic Algorithm – A cryptographic algorithm that uses two related keys, a public key and a private key. The two keys have the property that deriving the private key from the public key is computationally infeasible. SOURCE: FIPS 140-2 Public Key Cryptography – Encryption system that uses a public-private key pair for encryption and/or digital signature. SOURCE: CNSSI-4009 Public Key Enabling (PKE) – The incorporation of the use of certificates for security services such as authentication, confidentiality, data integrity, and non-repudiation. SOURCE: CNSSI-4009 Public Key Infrastructure (PKI) – A set of policies, processes, server platforms, software, and workstations used for the purpose of administering certificates and public-private key pairs, including the ability to issue, maintain, and revoke public key certificates. SOURCE: SP 800-32 Public Key Infrastructure – An architecture which is used to bind public keys to entities, enable other entities to verify public key bindings, revoke such bindings, and provide other services critical to managing public keys. SOURCE: FIPS 196 A Framework that is established to issue, maintain, and revoke public key certificates. SOURCE: FIPS 186 A support service to the PIV system that provides the cryptographic keys needed to perform digital signature-based identity verification and to protect communications and storage of sensitive verification system data within identity cards and the verification system. SOURCE: FIPS 201 The framework and services that provide for the generation, production, distribution, control, accounting, and destruction of public key certificates. Components include the personnel, policies, processes, server platforms, software, and workstations used for the purpose of administering certificates and public-private key pairs, including the ability to issue, maintain, recover, and revoke public key certificates. SOURCE: CNSSI-4009 Pg 149
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NIST IR 7298, Glossary of Key Infor
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