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US 2004/0177258 A1Published application
Secure object for convenient identification
OwnerPeng T. Onginventor
Life of this patent
Estimating the term…
Abstract
A method and apparatus for automatic user authentication are described. The method includes receiving information at a device, the device including a credential container; storing the information at the credential container and performing cryptographic calculations on the received information and providing the encrypted information upon request.
Claims48
A method comprising:
- receiving information at a device, the device including a credential container;
- storing the information at the credential container;
- and
- performing cryptographic calculations on the received information and providing the encrypted information upon request.
1 more element
A method comprising:
- encrypting a symmetric key of a first device with a public key of the second device;
- transferring the encrypted symmetric key to the second device;
- and
- transferring contents of first device to the second device.
1 more element
A method comprising:
- receiving a request for information to be provided to a host;
- and
- determining whether the host is included in a list of trusted hosts prior to performing cryptographic calculations on the requested information.
A method comprising:
- detecting a change of a PIN by the software hosting a first device of a plurality of devices;
- encrypting the PIN with a public key of at least one other device from the plurality of devices;
- distributing the encrypted PIN to the at least one other device from the plurality of devices.
A method comprising:
- receiving a challenge phrase on a client computer;
- inputting the challenge phrase into a security device;
- receiving a response phrase from the security device;
- and
- inputting the response phrase into the client computer.
2 more elements
A method comprising:
- receiving data to be digitally signed into at hardware device;
- digitally signing the data in the hardware device.
An apparatus comprising:
- a communication controller to receive information and to transmit encrypted information;
- a processor to perform cryptographic calculations on received information;
- a credential container to store the received information;
- a keyboard to allow a user to control the device and a display to display user requested information,
- wherein the apparatus configured to be connected to a client computer.
2 more elements
Dependencies are inferred from the claim text.