Cryptographic co-processor

H - Electricity – 04 – L

Patent

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Details

H04L 9/28 (2006.01) H04L 9/06 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2634812

A secure communication platform on an integrated circuit is a highly integrated security processor which incorporates a general purpose digital signal processor (DSP) (62), along with a number of high performance cryptographic function elements, as well as a PCI and PCMCIA (14) interface. The secure communications platform is integrated with an off- the-shelf DSP so that a vendor who is interested in digital signal processing could also receive built-in security functions which cooperate with the DSP. The integrated circuit includes a callable library of cryptographic commands and encryption algorithms. An encryption processor is included to perform key and data encryption, as well as a high performance hash processor and a public key accelerator (28).

L'invention porte sur une plateforme de communication sécuritaire sur un circuit intégré. Il s'agit d'un processeur de sécurité hautement intégré qui comprend un processus de signal numérique à usages multiples (62), ainsi qu'un certain nombre d'éléments à fonction cryptographique à haute performance, ainsi qu'une interface PCI et PCMCIA (14). La plateforme de communication sécuritaire est intégrée à un processeur de signal numérique de série; ainsi, un fournisseur qui s'intéresse au traitement de signaux numériques peut également recevoir des fonctions de sécurité intégrées au processus de signal numérique. Le circuit intégré comprend une bibliothèque exécutable de commandes cryptographiques et des algorithmes de cryptage. Un processus de cryptage est prévu pour exécuter le cryptage de clés et de données, ainsi qu'un processus de hachage à haute performance et un accélérateur à clé publique (28).

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