What does pre-shared key mean?

Definitions for pre-shared key
pre-shared key

Here are all the possible meanings and translations of the word pre-shared key.


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Wiktionary

  1. pre-shared keynoun

    A TKIP passphrase used to protect your network traffic in WPA. A mechanism in Wi-Fi Protected Access (WPA)u2014Personal that allows the use of manually entered keys or passwords to initiate WPA security. The PSK is entered on the access point or home wireless gateway and each PC that is on the Wi-Fi network. After entering the password, Wi-Fi Protected Access automatically takes over. It keeps out eavesdroppers and other unauthorized users by requiring all devices to have the matching password. The password also initiates the encryption process which, in WPA is Temporal Key Integrity Protocol (TKIP) and in WPA2 is Advanced Encryption Standard (WPA2).

Freebase

  1. Pre-shared key

    In cryptography, a pre-shared key or 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 WEP or WPA, where both the wireless access points 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. As in all cases of crypto systems relying on one or more keys for confidentiality, the key or keys used must be sufficiently difficult to attack. 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. 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 can't 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 program except a Cryptographically secure pseudorandom number generator should be avoided.

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Numerology

  1. Chaldean Numerology

    The numerical value of pre-shared key in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of pre-shared key in Pythagorean Numerology is: 9

Images & Illustrations of pre-shared key

  1. pre-shared keypre-shared keypre-shared keypre-shared keypre-shared key


Translations for pre-shared key

From our Multilingual Translation Dictionary

  • مفتاح مشترك مسبقًاArabic
  • गुप्त कुंजीHindi
  • kunci yang dibagikan sebelumnyaIndonesian
  • попередньо розділений ключUkrainian

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    an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
    • A. arbalist
    • B. nidus
    • C. fervidness
    • D. swag

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