Method and device for off-loading message digest calculations

Method and device for off-loading message digest calculations

A method and device for off-loading from an application program the calculation of a data-integrity-checking value for specified data in a computer system. The data may be included in a message together with the integrity-checking value or may be in a portion of a memory window for direct memory acc...

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Hauptverfasser: ZAK ROBERT C, JACKSON CHRISTOPHER J
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator ZAK ROBERT C
JACKSON CHRISTOPHER J
description A method and device for off-loading from an application program the calculation of a data-integrity-checking value for specified data in a computer system. The data may be included in a message together with the integrity-checking value or may be in a portion of a memory window for direct memory access. The method includes communicating a selected data-integrity-checking scheme from a specified set of schemes to another processor to off-load calculation of the data-integrity-checking value. A related method associates a message to be received with a data-integrity-checking scheme, so that a receiving processor can calculate the data-integrity-checking value and transmit both the value and the message to another processor.
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subjects BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title Method and device for off-loading message digest calculations
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