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Some Instant- and Practical-Time Related-Key Attacks on KTANTAN32/48/64
secret-key cryptography / cryptanalysis related key block cipher key schedule lightweight cipher key-recovery
2012/3/29
The hardware-attractive block cipher family KTANTAN was studied by Bogdanov and Rechberger who identified flaws in the key schedule and gave a meet-in-the-middle attack. We revisit their result before...
On Session Key Construction in Provably-Secure Key Establishment Protocols:Revisiting Chen & Kudla (2003) and McCullagh & Barreto (2005) ID-Based Protocols
Session Key Construction Provably-Secure Key Establishment Protocols ID-Based Protocols
2009/2/16
We examine the role of session key construction in provablysecure
key establishment protocols. We revisit an ID-based key establishment
protocol due to Chen & Kudla (2003) and an ID-based protocol
...