Electrical computers and digital processing systems: support – Data processing protection using cryptography – Upgrade/install encryption
Reexamination Certificate
2006-12-01
2011-12-27
Arani, Taghi (Department: 2438)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
Upgrade/install encryption
C713S150000, C713S151000, C713S152000, C713S153000, C713S189000, C713S190000, C380S028000, C380S029000, C380S030000, C380S255000, C380S256000, C380S257000, C726S026000, C726S027000, C726S028000, C726S029000, C726S030000
Reexamination Certificate
active
08086872
ABSTRACT:
Provided is a method for setting a security channel between an OLT and at least one ONU in an EPON. In detail, a channel is generated by which the OLT makes a reciprocal security capability agreement with the ONU that wants to set a security channel in a discovery interval and then automatically registers the ONU with the security capability agreement. The security channel is set by which the OLT distributes an encryption key for the security with the ONU completed with the security capability agreement. A renewal point of the encryption key is shared by transmitting a message indicative of a time to change the encryption key between the OLT and the ONU both completed with the encryption key distribution.
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Kim Bong Tae
Kim Kwang Ok
Kwon Yool
Arani Taghi
Electronics and Telecommunications Research Institute
Jeudy Josnel
Sherr & Vaughn, PLLC
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