Chosen message attack - PowerPoint PPT Presentation

Digital Signature

Digital Signature. Sheng Zhong. Digital Signature (1). Public-key-based technique for data integrity. A digital signature scheme is a tuple (PK, SK, M, S, KG, Sign, Verify). PK: Public key space (the set of all possible keys). SK: Private key space. M: Message space. S: Signature space.

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895 views • 46 slides

Digital Signature

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Transitive Signatures based on Factoring and RSA

Transitive Signatures based on Factoring and RSA. Mihir Bellare (University of California, San Diego, USA) Gregory Neven (Katholieke Universiteit Leuven, Belgium). Standard digital signatures. SKG. ( spk , ssk ). 1 k. SSign. ssk. σ. M. SVf. spk. accept / reject. M. σ’. σ 2,3.

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