Oblivious Identity-based Encryption (IBE Secure Against an Adversarial KGC)

ePrint Report: Oblivious Identity-based Encryption (IBE Secure Against an Adversarial KGC)

Katerina Mitrokotsa, Sayantan Mukherjee, Jenit Tomy

Identity-Based Encryption (IBE) was introduced in order to reduce the cost associated with Public Key Infrastructure systems. IBE allows users to request a trusted Key Generation Centre (KGC) for a secret key on a given identity, without the need to manage public keys. However, one of the main concerns of IBE is that the KGC has the power to decrypt all ciphertexts as …

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