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IJNSEC
2006
14 years 9 months ago
2006
In 2004, Sekhar proposed a new signature scheme with message recovery. Based on this signature scheme with message recovery, they also proposed a designated verifier signature sch...
IJNSEC
2006
14 years 9 months ago
2006
In 2004, C. Park proposed an authentication protocol to provide user anonymity and untraceability in wireless mobile communication systems. The real user identities are hidden and...
IJNSEC
2006
14 years 9 months ago
2006
In 2005, Lee-Lin-Chang proposed a low computation cost user authentication scheme for mobile communication. However, the current paper demonstrates the vulnerability of Lee-Lin-Ch...
IJNSEC
2006
14 years 9 months ago
2006
Batch verification can provide large computational savings when multiple signatures are verified together. Recently, some batch verifying signature schemes have been proposed from...
IJNSEC
2006
14 years 9 months ago
2006
Finding a shorter addition/subtraction-chain for an integer is an important problem for many cryptographic systems based on number theory. Especially, execution time of multiplica...