MD5 (Message-Digest Algorithm 5) calculation method and system and computer readable storage medium

Abstract

The invention discloses an MD5 (Message-Digest Algorithm 5) calculation method and system and a computer readable storage medium for a CPU+FPGA (Central Processing Unit+ Field Programmable Gate Array)heterogeneous acceleration platform. The method comprises the following steps that: a host side sends data to be processed to the DDR (Double Data Rate) memory of an FPGA board card, and sets parameter information required for the operation of an FPGA side; the FPGA side carries out MD5 hash function calculation on the data to be processed, and stores an obtained calculation result to the DDE memory; and the host side obtains calculation result data from the DDR memory. By use of the method, through the FPGA side, according to the parameter information, the data to be processed is subjected to the MD5 hash function calculation, the obtained calculation result is stored to the DDR memory, the FPGA side can be used for accelerating the performance of a grouped-cycling operation, the execution performance of the MD5 hash function calculation is improved, the implementation efficiency of the MD5 hash function calculation is effectively improved, and development cost and periods can be reduced.

Description

technical field [0001] The invention relates to the technical field of reconfigurable computing, in particular to an MD5 hash function computing method, system and computer-readable storage medium for a CPU+FPGA heterogeneous acceleration platform. Background technique [0002] The Hash (hash) function, also known as the hash function, is simply a message digest function that can compress a message of any length into a fixed length. Specifically, a hash function can transform an input of any length (ie, a pre-image) into a fixed-length output (ie, a hash value) through a hash algorithm. The hash algorithm is a compressed mapping, and the space size of the hash value is much smaller than the space size of the input value. Different inputs have the same output, so it is impossible to uniquely determine the input value from the hash value. [0003] Hash functions cover a wide range, and the more commonly used ones are MD (Message Digest Algorithm, Message Digest Algorithm) se...

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The CPU of a general server will be exhausted by the flood of calculations

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