| 发明名称 |
AUTHENTICATOR, AUTHENTICATEE AND AUTHENTICATION METHOD |
| 摘要 |
According to one embodiment, an authentication method between an authenticatee which stores key information having a data structure composed of a key transition record, secret information XY of a matrix form, and secret information XYE which is created by encrypting the secret information XY, and an authenticator which authenticates the authenticatee, includes selecting, by the authenticator, a record corresponding to a device index of the authenticator from the key information which is received from the authenticatee, and decrypting the record by a device key, thereby taking out a key transition, and executing, by the authenticator, a decryption process on the secret information XYE, which is received from the authenticatee, by using the corresponding key transition, and sharing the secret information XY. |
| 申请公布号 |
US2014289526(A1) |
申请公布日期 |
2014.09.25 |
| 申请号 |
US201213985431 |
申请日期 |
2012.02.17 |
| 申请人 |
Nagai Yuji;Kato Taku;Matsushita Tatsuyuki |
发明人 |
Nagai Yuji;Kato Taku;Matsushita Tatsuyuki |
| 分类号 |
H04L9/08;H04L9/32 |
主分类号 |
H04L9/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An authentication method between an authenticatee which stores key information having a data structure composed of a key transition record, secret information XY of a matrix form, and secret information XYE which is created by encrypting the secret information XY, and an authenticator which authenticates the authenticatee, comprising:
selecting, by the authenticator, a record corresponding to a device index of the authenticator from the key information which is received from the authenticatee, and decrypting the record by a device key, thereby taking out a key transition; and executing, by the authenticator, a decryption process on the secret information XYE, which is received from the authenticatee, by using the corresponding key transition, and sharing the secret information XY. |
| 地址 |
Sagamihara-shi JP |
