cryptographic systems key management

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• Key management — is a term used to describe two different fields; (1) cryptography, and (2) physical key management (or electronic key management) within building or campus access control.In cryptography, key management includes all of the provisions made in a… …   Wikipedia

• Internet Security Association and Key Management Protocol — ISAKMP (Internet Security Association and Key Management Protocol) is a protocol for establishing Security Associations (SA) and cryptographic keys in an Internet environment. The protocol is defined by RFC 2408. Overview ISAKMP defines the… …   Wikipedia

• Key Wrap — constructions are a class of symmetric encryption algorithms designed to encapsulate (encrypt) cryptographic key material. The Key Wrap algorithms are intended for applications such as (a) protecting keys while in untrusted storage, or (b)… …   Wikipedia

• Key size — In cryptography, key size or key length is the size measured in bits[1] of the key used in a cryptographic algorithm (such as a cipher). An algorithm s key length is distinct from its cryptographic security, which is a logarithmic measure of the… …   Wikipedia

• Key (cryptography) — In cryptography, a key is a piece of information (a parameter) that determines the functional output of a cryptographic algorithm or cipher. Without a key, the algorithm would produce no useful result. In encryption, a key specifies the… …   Wikipedia

• Key-agreement protocol — In cryptography, a key agreement protocol is a protocol whereby two or more parties can agree on a key in such a way that both influence the outcome. If properly done, this precludes undesired third parties from forcing a key choice on the… …   Wikipedia

• Cryptographic Modernization Program — The Cryptographic Modernization Program is a Department of Defense directed, NSA Information Assurance Directorate led effort to transform and modernize Information Assurance capabilities for the 21st century. It has three phases: Replacement All …   Wikipedia

• Cryptographic Module Testing Laboratory — A Cryptographic Module Testing Laboratory (CMTL) is an information technology (IT) computer security testing laboratory that is accredited to conduct cryptographic module evaluations for conformance to the FIPS 140 2 U.S. Government standard. The …   Wikipedia

• Cryptographic hash function — A cryptographic hash function (specifically, SHA 1) at work. Note that even small changes in the source input (here in the word over ) drastically change the resulting output, by the so called avalanche effect. A cryptographic hash function is a… …   Wikipedia

• Derived unique key per transaction — In cryptography, Derived Unique Key Per Transaction (DUKPT) is a key management scheme in which for every transaction, a unique key is used which is derived from a fixed key. Therefore, if a derived key is compromised, future and past transaction …   Wikipedia

• Public key fingerprint — In public key cryptography, a public key fingerprint is a short sequence of bytes used to authenticate or look up a longer public key. Fingerprints are created by applying a cryptographic hash function to a public key. Since fingerprints are… …   Wikipedia