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- Q1755775 subject Q7483163.
- Q1755775 abstract "A session key is a single-use symmetric key used for encrypting all messages in one communication session. A closely related term is content encryption key (CEK), traffic encryption key (TEK), or multicast key which refers to any key used to encrypt messages, as opposed to other uses, like encrypting other keys (key encryption key (KEK) or key wrapping key).Session keys can introduce complication into a system. However, they solve some real problems. There are two primary reasons to use session keys: Several cryptanalytic attacks become easier as more material encrypted with a specific key is available. By limiting the amount of data processed using a particular key, those attacks are made more difficult. asymmetric encryption is too slow for many purposes, and all secret key algorithms require that the key is securely distributed. By using an asymmetric algorithm to encrypt the secret key for another, faster, symmetric algorithm, it's possible to improve overall performance considerably. This is the process used by PGP and GPG.Like all cryptographic keys, session keys must be chosen so that they cannot be predicted by an attacker, usually requiring them to be chosen randomly. Failure to choose session keys (or any key) properly is a major (and too common in actual practice) design flaw in any crypto system.".
- Q1755775 wikiPageWikiLink Q1227452.
- Q1755775 wikiPageWikiLink Q141090.
- Q1755775 wikiPageWikiLink Q150474.
- Q1755775 wikiPageWikiLink Q201339.
- Q1755775 wikiPageWikiLink Q223204.
- Q1755775 wikiPageWikiLink Q2467587.
- Q1755775 wikiPageWikiLink Q327675.
- Q1755775 wikiPageWikiLink Q471771.
- Q1755775 wikiPageWikiLink Q5571785.
- Q1755775 wikiPageWikiLink Q628523.
- Q1755775 wikiPageWikiLink Q7483163.
- Q1755775 wikiPageWikiLink Q932410.
- Q1755775 wikiPageWikiLink Q935662.
- Q1755775 comment "A session key is a single-use symmetric key used for encrypting all messages in one communication session. A closely related term is content encryption key (CEK), traffic encryption key (TEK), or multicast key which refers to any key used to encrypt messages, as opposed to other uses, like encrypting other keys (key encryption key (KEK) or key wrapping key).Session keys can introduce complication into a system. However, they solve some real problems.".
- Q1755775 label "Session key".