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- Undeniable_signature abstract "Undeniable signature is a digital signature scheme and implementation invented by David Chaum and Hans van Antwerpen in 1989.In this scheme, a signer possessing a private key can publish a signature of a messages. However, the signature reveals nothing to a recipient/verifier of the message and signature without taking part in either of two interactive protocols: Confirmation protocol, which confirms that a candidate is a valid signature of the message issued by the signer, identified by the public key. Disavowal protocol, which confirms that a candidate is not a valid signature of the message issued by the signer.The motivation for the scheme is to allow the signer to determine to whom he verifies or disavows a signature, and it is the interactive nature of the protocols that allows this; i.e., the result of each protocol is non-transferable. However, if there were only a confirmation protocol, there would be no way to distinguish between: the case that the signature is not a valid signature by the signer at issue, and the case that the signature was a valid signature by the signer at issue, but the signer now chooses not to take part in verification.The disavowal protocol provides an interactive (i.e., non-transferable) proof of the former case.The designated verifier signature scheme improves upon deniable signatures by allowing, for each signature, the interactive portion of the scheme to be offloaded onto another party, a designated verifier, reducing the burden on the signer.".
- Undeniable_signature wikiPageID "451285".
- Undeniable_signature wikiPageLength "6134".
- Undeniable_signature wikiPageOutDegree "12".
- Undeniable_signature wikiPageRevisionID "703726816".
- Undeniable_signature wikiPageWikiLink Category:Cryptography.
- Undeniable_signature wikiPageWikiLink Category:Digital_signature_schemes.
- Undeniable_signature wikiPageWikiLink David_Chaum.
- Undeniable_signature wikiPageWikiLink Designated_verifier_signature.
- Undeniable_signature wikiPageWikiLink Digital_signature.
- Undeniable_signature wikiPageWikiLink Discrete_logarithm.
- Undeniable_signature wikiPageWikiLink Non-repudiation.
- Undeniable_signature wikiPageWikiLink Outline_of_cryptography.
- Undeniable_signature wikiPageWikiLink Prime_number.
- Undeniable_signature wikiPageWikiLink Primitive_element.
- Undeniable_signature wikiPageWikiLinkText "Undeniable signature".
- Undeniable_signature wikiPageWikiLinkText "undeniable signature".
- Undeniable_signature wikiPageUsesTemplate Template:Reflist.
- Undeniable_signature wikiPageUsesTemplate Template:Sub.
- Undeniable_signature wikiPageUsesTemplate Template:Sup.
- Undeniable_signature subject Category:Cryptography.
- Undeniable_signature subject Category:Digital_signature_schemes.
- Undeniable_signature hypernym Scheme.
- Undeniable_signature type Organisation.
- Undeniable_signature type Communication.
- Undeniable_signature comment "Undeniable signature is a digital signature scheme and implementation invented by David Chaum and Hans van Antwerpen in 1989.In this scheme, a signer possessing a private key can publish a signature of a messages.".
- Undeniable_signature label "Undeniable signature".
- Undeniable_signature sameAs Q7883037.
- Undeniable_signature sameAs m.02b275.
- Undeniable_signature sameAs Q7883037.
- Undeniable_signature wasDerivedFrom Undeniable_signature?oldid=703726816.
- Undeniable_signature isPrimaryTopicOf Undeniable_signature.