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  2. G2A - Wikipedia

    en.wikipedia.org/wiki/G2A

    G2A.COM Limited (commonly referred to as G2A) is a digital marketplace headquartered in the Netherlands, [1][2] with offices in Poland and Hong Kong. [3][4] The site operates in the resale of gaming offers and others digital items by the use of redemption keys. G2A.COM’s main offerings are game key codes for platforms such as Steam, EA app ...

  3. Internet Key Exchange - Wikipedia

    en.wikipedia.org/wiki/Internet_Key_Exchange

    Internet Key Exchange. In computing, Internet Key Exchange (IKE, versioned as IKEv1 and IKEv2) is the protocol used to set up a security association (SA) in the IPsec protocol suite. IKE builds upon the Oakley protocol and ISAKMP. [1] IKE uses X.509 certificates for authentication ‒ either pre-shared or distributed using DNS (preferably with ...

  4. NSA encryption systems - Wikipedia

    en.wikipedia.org/wiki/NSA_encryption_systems

    First generation NSA systems were introduced in the 1950s and were built on the legacy of NSA's World War II predecessors and used rotor machines derived from the SIGABA design for most high level encryption; for example, the KL-7. Key distribution involved distribution of paper key lists that described the rotor arrangements, to be changed ...

  5. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    An internetwork is the connection of multiple different types of computer networks to form a single computer network using higher-layer network protocols and connecting them together using routers. The Internet is the largest example of internetwork. It is a global system of interconnected governmental, academic, corporate, public, and private ...

  6. Forward secrecy - Wikipedia

    en.wikipedia.org/wiki/Forward_secrecy

    Leaking a key does not allow discovery of prior keys. In cryptography, forward secrecy (FS), also known as perfect forward secrecy (PFS), is a feature of specific key-agreement protocols that gives assurances that session keys will not be compromised even if long-term secrets used in the session key exchange are compromised, limiting damage.

  7. End-to-end encryption - Wikipedia

    en.wikipedia.org/wiki/End-to-end_encryption

    End-to-end encryption (E2EE) is a private communication system in which only communicating users can participate. As such, no one else, including the communication system provider, telecom providers, Internet providers or malicious actors, can access the cryptographic keys needed to converse. [1] End-to-end encryption is intended to prevent ...

  8. Simultaneous Authentication of Equals - Wikipedia

    en.wikipedia.org/wiki/Simultaneous...

    The WPA3 standard also replaces the pre-shared key (PSK) exchange with Simultaneous Authentication of Equals as defined in IEEE 802.11-2016 resulting in a more secure initial key exchange in personal mode. [7][8] The Wi-Fi Alliance also claims that WPA3 will mitigate security issues posed by weak passwords and simplify the process of setting up ...

  9. Chord (peer-to-peer) - Wikipedia

    en.wikipedia.org/wiki/Chord_(peer-to-peer)

    Nodes and keys are assigned an -bit identifier using consistent hashing.The SHA-1 algorithm is the base hashing function for consistent hashing. Consistent hashing is integral to the robustness and performance of Chord because both keys and nodes (in fact, their IP addresses) are uniformly distributed in the same identifier space with a negligible possibility of collision.

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