Malicious KGC Attacks in Certificateless Cryptography     KGC Attacks  Certificateless Cryptography       font style='font-size:12px;'> 2008/12/9

Identity-based cryptosystems have an inherent key escrow issue, that is, the Key Generation Center (KGC) always knows user secret key. If the KGC is malicious, it can always impersonate the user.

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Certificateless Public Key Encryption Secure against Malicious KGC Attacks in the Standard Model     certificateless encryption  malicious KGC attack  standard model       font style='font-size:12px;'> 2008/8/18

Recently, Au et al. [Au et al. 2007] pointed out a seemingly neglected se- curity concern for certificateless public key encryption (CL-PKE) scheme, where a malicious key generation center (KGC) can...

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