Password self encryption method and system and encryption by...

H - Electricity – 04 – L

Patent

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H04L 9/30 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2657743

A public key cryptographic system and method is provided for a password or any other predefined personal secret information that defeats key factoring and spoofing attacks. The method adopts a new technique of encrypting a password or any predefined secret information by a numeric function of itself, replacing the fixed public key of the conventional RSA encryption. The whole process involving key generation, encryption, decryption and password handling is discussed in detail. Mathematical and cryptanalytical proofs of defeating factoring and spoofing attacks are furnished.

Un système et une méthode cryptographiques de clés publiques qui font échec à la factorisation et à la mystification sont proposés pour un mot de passe ou toute autre information personnelle secrète prédéfinie. La méthode fait appel à une nouvelle technique de chiffrement d'un mot de passe ou autre information secrète prédéfinie au moyen d'une fonction numérique de ce mot ou de cette information, en lieu et place de la clé publique fixe du chiffrement RSA conventionnel. Le processus de génération de clé, de chiffrement, de déchiffrement et de traitement de mots de passe est décrit en détail. Des preuves mathématiques et des analyses cryptographiques démontrent comment la factorisation et la mystification sont déjouées.

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