Search results
Results from the WOW.Com Content Network
A symmetric key is a shared secret used to perform symmetric-key cryptography. The claimant stores their copy of the shared key in a dedicated hardware-based authenticator or a software-based authenticator implemented on a smartphone. The verifier holds a copy of the symmetric key.
Key /Config-authentication is used to solve the problem of authenticating the keys of a person (say "person A") that some other person ("person B") is talking to or trying to talk to. In other words, it is the process of assuring that the key of "person A", held by "person B", does in fact belong to "person A" and vice versa.
The divide-and-conquer attack only requires breaking a single DES key, which is not difficult with modern GPUs and FPGAs. [8] MS-CHAP as a whole can be viewed as a smoke-and-mirrors protocol, in that ~80% of the protocol provides no real security; it just makes the construction very complicated and thus appear infeasible to crack.
1] EAP Pre-shared key (EAP-PSK), defined in RFC 4764, is an EAP method for mutual authentication and session key derivation using a pre-shared key (PSK). It provides a protected communication channel, when mutual authentication is successful, for both parties to communicate and is designed for authentication over insecure networks such as IEEE ...
If you no longer have your Security Key, use these steps: Go to the Sign-In Helper. Sign in and go to the AOL Account Security page. Turn off Security Key 2-Step Verification. When you get your Security Key back or get a new key, you can re-enable 2-Step Verification in your Account Security settings.
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 ...
SAE is a variant of the Dragonfly Key Exchange defined in RFC 7664, [2] based on Diffie–Hellman key exchange using finite cyclic groups which can be a primary cyclic group or an elliptic curve. [1] The problem of using Diffie–Hellman key exchange is that it does not have an authentication mechanism.
The second set use a Diffie–Hellman key exchange authenticated with a pre-shared key. The third set combine public key authentication of the server with pre-shared key authentication of the client. Usually, Transport Layer Security (TLS) uses public key certificates or Kerberos for authentication. TLS-PSK uses symmetric keys, shared in ...