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Uncontrolled Randomness in Blockchains: Covert Bulletin Board for Illicit Activities
Blockchain Steganography Covert Broadcast Channels
2018/12/11
The blockchain technology represents a new paradigm to realize persistent distributed ledgers globally. While the blockchain technology is promising in a great number of fields, it can be abused to c...
Re-encryption Verifiability: How to Detect Malicious Activities of a Proxy in Proxy Re-encryption
Proxy Re-encryption Re-encryption Verifiability Soundness
2016/1/4
In this paper, we introduce a new functionality for proxy re-encryption (PRE) that
we call re-encryption verifiability. In a PRE scheme with re-encryption verifiability (which we
simply call verifia...