Packet source authentication method using single-buffered hash in multicast environment and apparatus for the same
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United States of America Patent
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Sep 9, 2014
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app pub date -
Aug 23, 2012
filing date -
Aug 24, 2011
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Abstract
A source authentication method and apparatus according to the present invention are disclosed. The source authentication method is performed with respect to a transmission packet on a message transmission side, and includes generating a first hash value to which a first hash function is applied using a message to be included in a next packet and a key value, and generating the transmission packet including the first hash value, wherein the key value is one of at least one key value generated in advance by applying a second hash function. Meanwhile, according to the present invention, effective low-cost multicast authentication may be performed by reducing a variety of loads such as buffer management, key calculation costs, and the like.
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