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- Pre-shared_key abstract "In cryptography, a pre-shared key (PSK) is a shared secret which was previously shared between the two parties using some secure channel before it needs to be used.To build a key from shared secret, the key derivation function should be used. Such systems almost always use symmetric key cryptographic algorithms. The term PSK is used in Wi-Fi encryption such as Wired Equivalent Privacy (WEP), Wi-Fi Protected Access (WPA), where the method is called WPA-PSK or WPA2-PSK, and also in the Extensible Authentication Protocol (EAP), where it is known as EAP-PSK. In all these cases, both the wireless access points (AP) and all clients share the same key.The characteristics of this secret or key are determined by the system which uses it; some system designs require that such keys be in a particular format. It can be a password, a passphrase, or a hexadecimal string. The secret is used by all systems involved in the cryptographic processes used to secure the traffic between the systems. Crypto systems rely on one or more keys for confidentiality. One particular attack is always possible against keys, the brute force key space search attack. A sufficiently long, randomly chosen, key can resist any practical brute force attack, though not in principle if an attacker has sufficient computational power (see password strength and password cracking for more discussion). Unavoidably, however, pre-shared keys are held by both parties to the communication, and so can be compromised at one end, without the knowledge of anyone at the other. There are several tools available to help one choose strong passwords, though doing so over any network connection is inherently unsafe as one cannot in general know who, if anyone, may be eavesdropping on the interaction. Choosing keys used by cryptographic algorithms is somewhat different in that any pattern whatsoever should be avoided, as any such pattern may provide an attacker with a lower effort attack than brute force search. This implies random key choice to force attackers to spend as much effort as possible; this is very difficult in principle and in practice as well. As a general rule, any software except a Cryptographically secure pseudorandom number generator should be avoided.".
- Pre-shared_key wikiPageID "4934057".
- Pre-shared_key wikiPageLength "2580".
- Pre-shared_key wikiPageOutDegree "25".
- Pre-shared_key wikiPageRevisionID "664552254".
- Pre-shared_key wikiPageWikiLink Brute-force_attack.
- Pre-shared_key wikiPageWikiLink Brute_force_attack.
- Pre-shared_key wikiPageWikiLink Category:Authentication_methods.
- Pre-shared_key wikiPageWikiLink Category:Key_management.
- Pre-shared_key wikiPageWikiLink Category:Password_authentication.
- Pre-shared_key wikiPageWikiLink Computer_network.
- Pre-shared_key wikiPageWikiLink Crypto_system.
- Pre-shared_key wikiPageWikiLink Cryptographically_secure_pseudorandom_number_generator.
- Pre-shared_key wikiPageWikiLink Cryptography.
- Pre-shared_key wikiPageWikiLink Cryptosystem.
- Pre-shared_key wikiPageWikiLink EAP-PSK.
- Pre-shared_key wikiPageWikiLink Extensible_Authentication_Protocol.
- Pre-shared_key wikiPageWikiLink Hexadecimal.
- Pre-shared_key wikiPageWikiLink Key_derivation_function.
- Pre-shared_key wikiPageWikiLink Key_size.
- Pre-shared_key wikiPageWikiLink Passphrase.
- Pre-shared_key wikiPageWikiLink Password.
- Pre-shared_key wikiPageWikiLink Password_cracking.
- Pre-shared_key wikiPageWikiLink Password_strength.
- Pre-shared_key wikiPageWikiLink Random.
- Pre-shared_key wikiPageWikiLink Randomness.
- Pre-shared_key wikiPageWikiLink Secure_channel.
- Pre-shared_key wikiPageWikiLink Shared_secret.
- Pre-shared_key wikiPageWikiLink Symmetric-key_algorithm.
- Pre-shared_key wikiPageWikiLink Symmetric_key.
- Pre-shared_key wikiPageWikiLink Wi-Fi.
- Pre-shared_key wikiPageWikiLink Wi-Fi_Protected_Access.
- Pre-shared_key wikiPageWikiLink Wired_Equivalent_Privacy.
- Pre-shared_key wikiPageWikiLink Wireless_access_point.
- Pre-shared_key wikiPageWikiLinkText "PSK".
- Pre-shared_key wikiPageWikiLinkText "Pre-Shared Key".
- Pre-shared_key wikiPageWikiLinkText "Pre-shared key".
- Pre-shared_key wikiPageWikiLinkText "pre-shared key".
- Pre-shared_key wikiPageWikiLinkText "pre-shared secret key".
- Pre-shared_key hasPhotoCollection Pre-shared_key.
- Pre-shared_key wikiPageUsesTemplate Template:Crypto-stub.
- Pre-shared_key wikiPageUsesTemplate Template:Cryptography_navbox.
- Pre-shared_key wikiPageUsesTemplate Template:Unreferenced.
- Pre-shared_key subject Category:Authentication_methods.
- Pre-shared_key subject Category:Key_management.
- Pre-shared_key subject Category:Password_authentication.
- Pre-shared_key type Article.
- Pre-shared_key type Article.
- Pre-shared_key type Method.
- Pre-shared_key comment "In cryptography, a pre-shared key (PSK) is a shared secret which was previously shared between the two parties using some secure channel before it needs to be used.To build a key from shared secret, the key derivation function should be used. Such systems almost always use symmetric key cryptographic algorithms.".
- Pre-shared_key label "Pre-shared key".
- Pre-shared_key sameAs Pre-Shared_Key.
- Pre-shared_key sameAs Pre-shared_key.
- Pre-shared_key sameAs Pre-shared_key.
- Pre-shared_key sameAs Pre-shared_key.
- Pre-shared_key sameAs کلید_پیشاشتراکی.
- Pre-shared_key sameAs Pre-Shared_Key.
- Pre-shared_key sameAs PSK_(criptografia).
- Pre-shared_key sameAs m.0cvxf3.
- Pre-shared_key sameAs Pre-shared_key.
- Pre-shared_key sameAs Q2108226.
- Pre-shared_key sameAs Q2108226.
- Pre-shared_key wasDerivedFrom Pre-shared_key?oldid=664552254.
- Pre-shared_key isPrimaryTopicOf Pre-shared_key.