专利名称：Security device for a transponder发明人：FRIEDRICH, ULRICH, DIPL.-ING.,ZIEBERTZ,
DIRK, DIPL.-ING.
申请号：EP05007837.7申请日：20050409公开号：EP1587001A1公开日：20051019
专利附图：
摘要：A safety device (1) for a transponder with safety function, has a storage device(2) in which a first open password (PW1) is filed, an input (5) in which a second secretpassword (PW2) can be coupled, a cryptological device (4) joined to the input (5) which
from the second password generates a test sum (PW2'). A comparison device (3)
compares the test sum (PW2') and the first password (PW1) and with agreement betweenthem, a safety control command, especially a kill and/or cloak control command (S1) foractivating and/or deactivating a safety mechanism is generated and can be tapped at anoutput (7). Independent claims are included for the following: (A) A method forconfiguring a safety device. (B) A transponder for data communication.
申请人：ATMEL GERMANY GMBH
地址：Theresienstrasse 2 74072 Heilbronn DE
国籍：DE
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