Title: Deniable Version of SIGMA Key Exchange Protocol Resilient to Ephemeral Key Leakage
Abstract: We propose modifications of SIGMA key exchange protocol that provide the deniability property. Our proposition, based on ring signatures, provide the possibility that a single party alone can produce a simulated transcripts of the protocol without the peer participation. Moreover we strengthen the SIGMA resulting session keys by additional using of long-term keys in the Diffie-Hellman key exchange phase of the protocol. Our proposition preserves the modular construction of the protocol, and does not change the number of the protocol rounds.
Publication Year: 2014
Publication Date: 2014-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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Cited By Count: 2
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