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Cryptographic Protocols
■ Entity Authentication ■ Key Agreement ■ Fiat-Shamir Identification Schemes ■ Zero-Knowledge Proof Systems ■ Shnorr’s Identification/Signature Scheme ■ Commitment Schemes ■ Secret Sharing ■ Electronic Election
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Entity Authentication
Problem: Alice wants to prove to Bob that she is Alice and/or vice versa. Private-key based schemes Public-key based schemes Integrated with key agreement Zero-knowledge identification schemes
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Key Agreement/Distribution
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Identification Schemes
based on zero-knowledge interactive proof systems
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Zero-Knowledge Proof Systems
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Shnorr’s Identification Scheme
Another example of zero-knowledge interactive proof system Involving proof of knowledge of discrete logarithm
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Commitment Schemes
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Secret Sharing
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Electronic Vote
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Blind Signature
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