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专利名称：Message authentication发明人：Niels Mache申请号：US11683663申请日：20070308公开号：US07949875B2公开日：20110524
专利附图：
摘要：For the authentication of messages communicated in a distributed system froman originator to a destination a keyed-hashing technique is used according to which datato be authenticated is concatenated with a private (secret) key and then processed to thecryptographic hash function. The data are transmitted together with the digest of the
hash function from the originator to the destination. The data comprises temporalvalidity information representing the temporal validity of the data. For example the setupkey of a communication is therefore only valid within a given time interval that is
dynamically defined by the communication originator. After the time interval is exceededthe setup key is invalid and cannot be reused again.
申请人：Niels Mache
地址：Stuttgart DE
国籍：DE
代理机构：Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
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