Method of authenticating device using broadcast cryptography
A method of authenticating a device having its own device key allocated by an authentication server according to broadcast cryptography is disclosed. The method includes receiving a device identifier of the device and an encrypted device identifier generated by encrypting the device identifier with...
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| Main Authors | , |
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| Format | Patent |
| Language | English |
| Published |
06.04.2006
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A method of authenticating a device having its own device key allocated by an authentication server according to broadcast cryptography is disclosed. The method includes receiving a device identifier of the device and an encrypted device identifier generated by encrypting the device identifier with the device key; and examining whether or not the device identifier is identical to a decrypted device identifier generated by decrypting the encrypted device identifier with another device key corresponding to the device identifier. Therefore, it is possible to authenticate a device having its own device key allocated by an authentication server according to broadcast cryptography without using a separate public key structure. |
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| AbstractList | A method of authenticating a device having its own device key allocated by an authentication server according to broadcast cryptography is disclosed. The method includes receiving a device identifier of the device and an encrypted device identifier generated by encrypting the device identifier with the device key; and examining whether or not the device identifier is identical to a decrypted device identifier generated by decrypting the encrypted device identifier with another device key corresponding to the device identifier. Therefore, it is possible to authenticate a device having its own device key allocated by an authentication server according to broadcast cryptography without using a separate public key structure. |
| Author | YOU YONG-KUK KIM CHI-HURN |
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| Notes | Application Number: US20050169878 |
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| RelatedCompanies | SAMSUNG ELECTRONICS CO., LTD |
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| Snippet | A method of authenticating a device having its own device key allocated by an authentication server according to broadcast cryptography is disclosed. The... |
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| SubjectTerms | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| Title | Method of authenticating device using broadcast cryptography |
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