发明名称 |
Secure automatic dependant surveillance |
摘要 |
A secure automatic dependant surveillance-broadcast system includes: an authenticator including a unique id generator memory storing an authenticator secret key and a transmitter for transmitting the unique id to a responder; a responder including a secure hash algorithm generator combining the received unique id with a responder secret key and a data signal to generate a secure response and a transmitter transmitting the secure response and the data signal to the authenticator; the interrogator also including a receiver receiving the secure response and the data; the authenticator including an secure hash algorithm generator combining the received data and the received secure response and generating an output signal; and a comparator for comparing the output signal with the received secure response and providing an authentication signal based on the comparison.
|
申请公布号 |
US2004086121(A1) |
申请公布日期 |
2004.05.06 |
申请号 |
US20020285070 |
申请日期 |
2002.10.31 |
申请人 |
SENSIS CORPORATION |
发明人 |
VIGGIANO MARC J.;VALOVAGE EDWARD M.;DISTASIO MARCELLO |
分类号 |
G08G5/00;H04L9/32;(IPC1-7):H04L9/00 |
主分类号 |
G08G5/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|