Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network access regulating
Reexamination Certificate
2006-02-08
2011-10-18
Winder, Patrice (Department: 2452)
Electrical computers and digital processing systems: multicomput
Computer network managing
Computer network access regulating
C709S229000, C709S246000
Reexamination Certificate
active
08041816
ABSTRACT:
A more secure TCP/IP protocol stack is provided having an enhanced transport layer. Encryption and decryption logic is arranged on the transmission side and on the reception side for processing a payload of a transport layer protocol, such as TCP or UDP. By employing this enhanced transport layer, a cryptograph process communication can be realized by dissolving various kinds of restrictions which a conventional IPsec or SSL possesses without affecting upper layer processing, and, at the same time, maintaining compatibility with the IP layer.
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Camillo Sars, “Angoka Gijutsu ga Hiraku Internet Shinjidal—Transport-so Protocol SSH ha Kano ni suru Anzen na Enkaku Long-in,” Dr. Dobb's Journal, Japan, vol. 7, No. 2, Kabushiki Kaisha Shoeisha, pp. 63-69 (Feb. 1, 1998), English translation only, reference previously filed Feb. 8, 2006.
Toshikazu Yamaguchi et al., “LAN Security Tsushin Gijutsu—TCP Layer ni Okeru Tsushin Data no Angoko,” NTT R&D, vol. 44, No. 8, pp. 653-660 (Aug. 10, 1995), English translation only, reference previously filed Feb. 8, 2006.
Ogawa Keiko
Ozaki Hirotsugu
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ogawa Keiko
Winder Patrice
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