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Virtual Grey-Boxes Beyond Obfuscation: A Statistical Security Notion for Cryptographic Agents
cryptographic agents obfuscation simulation-based security
2016/12/10
We extend the simulation-based definition of Virtual Grey Box (VGB) security -- originally proposed for obfuscation (Bitansky and Canetti, 2010) -- to a broad class of cryptographic primitives. These ...
Cryptographic Agents: Towards a Unified Theory of Computing on Encrypted Data
Encrypted Data foundations
2016/1/9
We provide a new framework of cryptographic agents that unifies various modern “cryptographic
objects” — identity-based encryption, fully-homomorphic encryption, functional
encryption, and various f...