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There is a replay attack against the basic access control protocol that allows an individual passport to be traced. [3] [4] The attack is based on being able to distinguish a failed nonce check from a failed MAC check and works against passports with randomized unique identifiers and hard to guess keys.
Web Authentication (WebAuthn) is a web standard published by the World Wide Web Consortium (W3C). [ 1 ] [ 2 ] [ 3 ] WebAuthn is a core component of the FIDO2 Project under the guidance of the FIDO Alliance . [ 4 ]
For example, a laptop may support multiple clients, one for each conforming user agent running on the laptop. A conforming user agent implements the WebAuthn JavaScript API. As its name implies, the Client to Authenticator Protocol (CTAP) enables a conforming cryptographic authenticator to interoperate with a WebAuthn client.
Example of a single sign-on implementation, Wikimedia Developer (based on Central Authentication Service). Single sign-on (SSO) is an authentication scheme that allows a user to log in with a single SSO ID to any of several related, yet independent, software systems.
Alice then has an authentication of Bob, and Bob has authentication of Alice. Taken together, they have mutual authentication. DIGEST-MD5 already enabled mutual authentication, but it was often incorrectly implemented. [2] [3] When Mallory runs a man-in-the-middle attack and forges a CA signature, she could retrieve a hash of the password.
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In the context of an HTTP transaction, basic access authentication is a method for an HTTP user agent (e.g. a web browser) to provide a user name and password when making a request. In basic HTTP authentication, a request contains a header field in the form of Authorization: Basic <credentials> , where <credentials> is the Base64 encoding of ID ...