Secure routing protocol for an ad hoc network using one-way/one-time hash functions
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United States of America Patent
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Jul 15, 2008
Grant Date -
Feb 17, 2005
app pub date -
Aug 12, 2003
filing date -
Aug 12, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method authenticates packets that are transmitted serially in a network. A current password is selected for a current packet to be transmitted. The current packet includes current data. A one-way/one-time hash function is applied to the current password to form a current tag. A next password is selected for a next packet that includes next data, and the one-way/one-time hash function is applied to the next password to form a next tag. The one-way/one-time hash function is then applied to the next data, the next tag, and the current password to obtain a hashed value. The current packet is then transmitted to include the hash value, the current data, the current tag, and a previous password of a previous transmitted packet to authenticate the current data.
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