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In cryptography, a trusted third party (TTP) is an entity which facilitates interactions between two parties who both trust the third party; the Third Party reviews all critical transaction communications between the parties, based on the ease of creating fraudulent digital content. In TTP models, the relying parties use this trust to secure their own interactions. TTPs are common in any number of commercial transactions and in cryptographic digital transactions as well as cryptographic protocols, for example, a certificate authority (CA) would issue a digital certificate to one of the two parties in the next example. The CA then becomes the Trusted-Third-Party to that certificates issuance. Likewise transactions that need a third party recordation would also need a third-party repository

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  • طرف ثالث موثوق به (ar)
  • Důvěryhodná třetí strana (cs)
  • Trusted Third Party (de)
  • Tiers de confiance (fr)
  • Vertrouwde derde partij (nl)
  • Sistema de confiança tripla (pt)
  • Trusted third party (en)
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  • الطرف الثالث الموثوق به، هو كيان يسهل التفاعل بين طرفين كلاهما يثق بهذا الطرف الثالث وتستخدم هذه الثقة لجعل تفاعلهما أمناً، وجود الطرف الثالث الموثوق به شائع جداً، مثل مصدر الشهادة. (ar)
  • Důvěryhodná třetí strana (anglicky Trusted third party, TTP) je v kryptografii entita, která usnadňuje interakci mezi dvěma stranami, které jí důvěřují.Důvěryhodná třetí strana umožňuje zabezpečit transakce mezi stranami a znemožnit tak podvržení podvodného elektronického zprávy nebo jiných dat. Příkladem je certifikační autorita, která vydá digitální certifikát a vystupuje pro komunikaci dvou dalších stran jako důvěryhodná třetí strana, pokud je sama též důvěryhodná, k čemuž se používá . (cs)
  • Een vertrouwde derde partij of vertrouwde tussenpersoon (trusted third party of trusted intermediary) is in de informatiebeveiliging en cryptografie een instantie die zaken als broncode, datacertificaten en sleutels voor derden in bewaring neemt. Bij versleuteling kunnen beide partijen bij een vertrouwde derde partij een certificaat of sleutel opvragen. Het begrip tussenpersoon of intermediary suggereert dat deze de uitwisseling van berichten verzorgt tussen twee partijen. In sommige gevallen kan het echter ook zo zijn dat de derde partij de berichten achteraf verifieert. (nl)
  • Eine Trusted Third Party (TTP, englisch für Vertrauenswürdige dritte Partei), ist eine dritte Instanz, der zwei Parteien vertrauen. Erst durch eine dritte, vertrauenswürdige Instanz lassen sich viele Probleme lösen, die sich bei dem Wunsch nach sicherer Übermittlung digitaler Daten ergeben. Natürlich setzt der Einsatz von TTPs voraus, dass diese extrem gut gegen unautorisierte Zugriffe von außen abgesichert sind und dass deren Signaturschlüssel versteckt aufbewahrt werden. (de)
  • Un tiers de confiance est une personne physique ou morale habilitée à effectuer des opérations de sécurité juridique d'authentification, de transmission et de stockage. Le terme est employé notamment, mais pas exclusivement, pour désigner les professionnels habilités à mettre en œuvre des signatures électroniques. Cette dénomination est employée dans plusieurs domaines différents, l'échange de bien, l'authentification et la transmission de documents dématérialisés, l'échange d'informations sur internet, les déclarations fiscales française : (fr)
  • In cryptography, a trusted third party (TTP) is an entity which facilitates interactions between two parties who both trust the third party; the Third Party reviews all critical transaction communications between the parties, based on the ease of creating fraudulent digital content. In TTP models, the relying parties use this trust to secure their own interactions. TTPs are common in any number of commercial transactions and in cryptographic digital transactions as well as cryptographic protocols, for example, a certificate authority (CA) would issue a digital certificate to one of the two parties in the next example. The CA then becomes the Trusted-Third-Party to that certificates issuance. Likewise transactions that need a third party recordation would also need a third-party repository (en)
  • Na criptografia, um sistema de confiança terceirizado, do inglês Trusted-Third-Party (TTP), é uma entidade que facilita as interações entre duas partes que confiam no terceiro; o Terceiro revisa todas as comunicações críticas de transações entre as partes, com base na facilidade de criação de conteúdo digital fraudulento. Nos modelos TTP, as partes dependentes usam essa confiança para garantir suas próprias interações. Os TTPs são comuns em qualquer número de transações comerciais e em transações digitais criptográficas, bem como protocolos criptográficos, por exemplo, uma autoridade de certificação (CA) emitiria um certificado de identidade digital para uma das duas partes no próximo exemplo. A CA então se torna a Trusted-Third-Party para essa emissão de certificados. Do mesmo modo, as tr (pt)
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  • الطرف الثالث الموثوق به، هو كيان يسهل التفاعل بين طرفين كلاهما يثق بهذا الطرف الثالث وتستخدم هذه الثقة لجعل تفاعلهما أمناً، وجود الطرف الثالث الموثوق به شائع جداً، مثل مصدر الشهادة. (ar)
  • Důvěryhodná třetí strana (anglicky Trusted third party, TTP) je v kryptografii entita, která usnadňuje interakci mezi dvěma stranami, které jí důvěřují.Důvěryhodná třetí strana umožňuje zabezpečit transakce mezi stranami a znemožnit tak podvržení podvodného elektronického zprávy nebo jiných dat. Příkladem je certifikační autorita, která vydá digitální certifikát a vystupuje pro komunikaci dvou dalších stran jako důvěryhodná třetí strana, pokud je sama též důvěryhodná, k čemuž se používá . (cs)
  • Eine Trusted Third Party (TTP, englisch für Vertrauenswürdige dritte Partei), ist eine dritte Instanz, der zwei Parteien vertrauen. Erst durch eine dritte, vertrauenswürdige Instanz lassen sich viele Probleme lösen, die sich bei dem Wunsch nach sicherer Übermittlung digitaler Daten ergeben. TTPs sammeln Beweise über Transaktionen, bewahren diese auf und machen diese im Bedarfsfall zugänglich. Auf diese Weise können Streitigkeiten vorurteilslos (im Sinne der vorher getätigten Abmachungen) geschlichtet werden. Es gibt mehrere Einsatzmöglichkeiten für das TTP-Prinzip, z. B. zur Schlüssel- und Identitäts-Zertifizierung, als Time-Stamping-Server, Beweishüter, Datentreuhänder, Zustellungsagent und „vollstreckendes“ Organ. Natürlich setzt der Einsatz von TTPs voraus, dass diese extrem gut gegen unautorisierte Zugriffe von außen abgesichert sind und dass deren Signaturschlüssel versteckt aufbewahrt werden. (de)
  • Un tiers de confiance est une personne physique ou morale habilitée à effectuer des opérations de sécurité juridique d'authentification, de transmission et de stockage. Le terme est employé notamment, mais pas exclusivement, pour désigner les professionnels habilités à mettre en œuvre des signatures électroniques. Cette dénomination est employée dans plusieurs domaines différents, l'échange de bien, l'authentification et la transmission de documents dématérialisés, l'échange d'informations sur internet, les déclarations fiscales française : 1. * Protection des transactions de biens contre des paiements : par exemple PayPal, Vérifdeal, Rakuten ou Amazon. 2. * Protection automatique par certificat informatique, dit aussi électronique, lors des échanges sur internet (sécurisation des pages web, des courriers, des fichiers exécutables). 3. * Délégation de déclaration fiscale et représentation auprès des services de l'état. Dans le cadre des marchés publics, c'est un organisme habilité à mettre en œuvre des fonctions de sécurité. (fr)
  • In cryptography, a trusted third party (TTP) is an entity which facilitates interactions between two parties who both trust the third party; the Third Party reviews all critical transaction communications between the parties, based on the ease of creating fraudulent digital content. In TTP models, the relying parties use this trust to secure their own interactions. TTPs are common in any number of commercial transactions and in cryptographic digital transactions as well as cryptographic protocols, for example, a certificate authority (CA) would issue a digital certificate to one of the two parties in the next example. The CA then becomes the Trusted-Third-Party to that certificates issuance. Likewise transactions that need a third party recordation would also need a third-party repository service of some kind or another. 'Trusted' means that a system needs to be trusted to act in your interests, but it has the option (either at will or involuntarily) to act against your interests. 'Trusted' also means that there is no way to verify if that system is operating in your interests, hence the need to trust it. Corollary: if a system can be verified to operate in your interests, it would not need your trust. And if it can be shown to operate against your interests one would not use it. (en)
  • Na criptografia, um sistema de confiança terceirizado, do inglês Trusted-Third-Party (TTP), é uma entidade que facilita as interações entre duas partes que confiam no terceiro; o Terceiro revisa todas as comunicações críticas de transações entre as partes, com base na facilidade de criação de conteúdo digital fraudulento. Nos modelos TTP, as partes dependentes usam essa confiança para garantir suas próprias interações. Os TTPs são comuns em qualquer número de transações comerciais e em transações digitais criptográficas, bem como protocolos criptográficos, por exemplo, uma autoridade de certificação (CA) emitiria um certificado de identidade digital para uma das duas partes no próximo exemplo. A CA então se torna a Trusted-Third-Party para essa emissão de certificados. Do mesmo modo, as transações que precisam de uma gravação de terceiros também precisarão de um serviço de repositório de terceiros de algum tipo ou outro. (pt)
  • Een vertrouwde derde partij of vertrouwde tussenpersoon (trusted third party of trusted intermediary) is in de informatiebeveiliging en cryptografie een instantie die zaken als broncode, datacertificaten en sleutels voor derden in bewaring neemt. Bij versleuteling kunnen beide partijen bij een vertrouwde derde partij een certificaat of sleutel opvragen. Het begrip tussenpersoon of intermediary suggereert dat deze de uitwisseling van berichten verzorgt tussen twee partijen. In sommige gevallen kan het echter ook zo zijn dat de derde partij de berichten achteraf verifieert. (nl)
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