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Tokens can contain chips with functions varying from very simple to very complex, including multiple authentication methods. The simplest security tokens do not need any connection to a computer. The tokens have a physical display; the authenticating user simply enters the displayed number to log in.
When software implementations of the same algorithm ("software tokens") appeared on the market, public code had been developed by the security community allowing a user to emulate RSA SecurID in software, but only if they have access to a current RSA SecurID code, and the original 64-bit RSA SecurID seed file introduced to the server. [3]
An access token is an object encapsulating the security identity of a process or thread. [1] A token is used to make security decisions and to store tamper-proof information about some system entity. While a token is generally used to represent only security information, it is capable of holding additional free-form data that can be attached ...
Security token service (STS) is a cross-platform open standard core component of the OASIS group's WS-Trust web services single sign-on infrastructure framework specification. cf. [1] [2] Within that claims-based identity framework, a secure token service is responsible for issuing, validating, renewing and cancelling security tokens. The ...
The most popular type of security token (RSA SecurID) displays a number which changes every minute. Users are authenticated by entering a personal identification number and the number on the token. The token contains a time of day clock and a unique seed value, and the number displayed is a cryptographic hash of the seed value and the time of day.
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A sample of token. Tokens generically are something the claimant possesses and controls that may be used to authenticate the claimant's identity. In e-authentication, the claimant authenticates to a system or application over a network. Therefore, a token used for e-authentication is a secret and the token must be protected.
A software token (a.k.a. soft token) is a piece of a two-factor authentication security device that may be used to authorize the use of computer services. [1] Software tokens are stored on a general-purpose electronic device such as a desktop computer , laptop , PDA , or mobile phone and can be duplicated.