Importance

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Abstract

A system and method enables efficient transfer and cryptographic processing of data within a security appliance. A network adapter of the security appliance initiates a random access data transfer to a system memory that is illustratively organized into a plurality of blocks of predetermined size. Mapping circuitry of the appliance is configured to track the progress of the data transfer between the adapter and memory such that, once data is stored in a memory block, an encryption processor of the appliance may process the data or the network adapter may retrieve the processed data without having to wait for completion of the data transfer between the adapter and memory, thereby reducing processing latency in the security appliance.

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First Claim