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 Secret Key (symmetric) Cryptographic Algorithm – A cryptographic algorithm that uses a single secret key for both encryption and decryption. SOURCE: FIPS 140-2 A cryptographic algorithm that uses a single key (i.e., a secret key) for both encryption and decryption. SOURCE: CNSSI-4009 Secret Seed – A secret value used to initialize a pseudorandom number generator. SOURCE: CNSSI-4009 Secure/Multipurpose Internet Mail Extensions (S/MIME) – A set of specifications for securing electronic mail. S/MIME is based upon the widely used MIME standard [MIME] and describes a protocol for adding cryptographic security services through MIME encapsulation of digitally signed and encrypted objects. The basic security services offered by S/MIME are authentication, nonrepudiation of origin, message integrity, and message privacy. Optional security services include signed receipts, security labels, secure mailing lists, and an extended method of identifying the signer’s certificate(s). SOURCE: SP 800-49; CNSSI-4009 Secure Communication Protocol – A communication protocol that provides the appropriate confidentiality, authentication, and content integrity protection. SOURCE: SP 800-57; CNSSI-4009 Secure Communications – Telecommunications deriving security through use of NSA-approved products and/or Protected Distribution Systems. SOURCE: CNSSI-4009 Secure DNS (SECDNS) – Configuring and operating DNS servers so that the security goals of data integrity and source authentication are achieved and maintained. SOURCE: SP 800-81 Secure Erase – An overwrite technology using firmware-based process to overwrite a hard drive. Is a drive command defined in the ANSI ATA and SCSI disk drive interface specifications, which runs inside drive hardware. It completes in about 1/8 the time of 5220 block erasure. SOURCE: SP 800-88 Secure Hash Algorithm (SHA) – A hash algorithm with the property that is computationally infeasible 1) to find a message that corresponds to a given message digest, or 2) to find two different messages that produce the same message digest. SOURCE: CNSSI-4009 Pg 166
NIST IR 7298 Revision 1, Glossary of Key Information Security Terms Secure Hash Standard – Secure Socket Layer (SSL) – This Standard specifies four secure hash algorithms – SHA-1, SHA- 256, SHA-384, and SHA-512 – for computing a condensed representation of electronic data (message). When a message of any length
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NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

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