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Sécurité et réseau ad hoc

Sécurité et réseau ad hoc

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Exemples :<br />

� MD4 [Rivest 92] , MD5 [Rivest 92]<br />

�MD5 : entrée de 512 bits -> hash de 128 bits<br />

� SHA-0, SHA-1, SHA-256 ou 384 ou 512<br />

proposé par la NSA (National Security<br />

Agency)<br />

�SHA-1 : entrée de 512 bits -> hash de 160 bits

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