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- Subliminal_channel abstract "In cryptography, subliminal channels are covert channels that can be used to communicate secretly in normal looking communication over an insecure channel. Subliminal channels in digital signature crypto systems were found in 1984 by Gustavus Simmons.Simmons describes how the dilemma can be solved through parameter substitution in digital signature algorithms.Signature algorithms like ElGamal and DSA have parameters which must be set with random information. He shows how one can make use of these parameters to send a message subliminally. Because the algorithm's signature creation procedure is unchanged, the signature remains verifiable and indistinguishable from a normal signature. Therefore it is hard to detect if the subliminal channel is used. Subliminal channels can be classified into broadband and narrowband channel types. Broadband and narrowband channels can exist in the same datastream. The broadband channel uses almost all available bits that are available to use. This is commonly understood to mean {≥50% but ≤90%} channel utilization. Every channel which uses fewer bits is called a narrow-band channel. The additional used bits are needed for further protection, e.g., impersonation.The broadband and the narrow-band channels can use different algorithm parameters. A narrow-band channel cannot transport maximal information, but it can be used to send the authentication key or datastream. Research is ongoing : further developments can enhance the subliminal channel, e.g., allow for establishing a broadband channel without the need to agree on an authentication key in advance. Other developments try to avoid the entire subliminal channel.".
- Subliminal_channel wikiPageExternalLink its_seminar_ss09.html.
- Subliminal_channel wikiPageID "23723266".
- Subliminal_channel wikiPageLength "11167".
- Subliminal_channel wikiPageOutDegree "17".
- Subliminal_channel wikiPageRevisionID "670547218".
- Subliminal_channel wikiPageWikiLink Amsterdam.
- Subliminal_channel wikiPageWikiLink Brickell_and_DeLaurentis_signature_scheme.
- Subliminal_channel wikiPageWikiLink Category:Cryptography.
- Subliminal_channel wikiPageWikiLink Centrum_Wiskunde_&_Informatica.
- Subliminal_channel wikiPageWikiLink Commitment_scheme.
- Subliminal_channel wikiPageWikiLink Covert_channel.
- Subliminal_channel wikiPageWikiLink Covert_channels.
- Subliminal_channel wikiPageWikiLink Digital_Signature_Algorithm.
- Subliminal_channel wikiPageWikiLink Digital_signature.
- Subliminal_channel wikiPageWikiLink ElGamal_signature_scheme.
- Subliminal_channel wikiPageWikiLink Gustavus_Simmons.
- Subliminal_channel wikiPageWikiLink Impersonation.
- Subliminal_channel wikiPageWikiLink Impersonator.
- Subliminal_channel wikiPageWikiLink Mutual_assured_destruction.
- Subliminal_channel wikiPageWikiLink Newton_channel.
- Subliminal_channel wikiPageWikiLink Zero-knowledge_proof.
- Subliminal_channel wikiPageWikiLinkText "Subliminal channel".
- Subliminal_channel wikiPageWikiLinkText "subliminal channel".
- Subliminal_channel hasPhotoCollection Subliminal_channel.
- Subliminal_channel wikiPageUsesTemplate Template:Multiple_issues.
- Subliminal_channel wikiPageUsesTemplate Template:Reflist.
- Subliminal_channel subject Category:Cryptography.
- Subliminal_channel hypernym Channels.
- Subliminal_channel type TelevisionStation.
- Subliminal_channel type Communication.
- Subliminal_channel comment "In cryptography, subliminal channels are covert channels that can be used to communicate secretly in normal looking communication over an insecure channel. Subliminal channels in digital signature crypto systems were found in 1984 by Gustavus Simmons.Simmons describes how the dilemma can be solved through parameter substitution in digital signature algorithms.Signature algorithms like ElGamal and DSA have parameters which must be set with random information.".
- Subliminal_channel label "Subliminal channel".
- Subliminal_channel sameAs m.06zst2h.
- Subliminal_channel sameAs Q7631517.
- Subliminal_channel sameAs Q7631517.
- Subliminal_channel wasDerivedFrom Subliminal_channel?oldid=670547218.
- Subliminal_channel isPrimaryTopicOf Subliminal_channel.