High-performance extensible public key password coprocessor structure

Abstract

The invention relates to a high-performance extensible public key password coprocessor structure, comprising a basic instruction set. In the structure, a memory mapping interface circuit is respectively connected with an external control component or system, an input buffer circuit and an output buffer circuit; the input buffer circuit is respectively connected with a data controller circuit, a configuration register and an instruction queue; the data controller circuit is connected with a memory controller; the configuration register is respectively connected with an instruction execution controller and a modular arithmetic operation cell array; an instruction decoding unit based on a wired state machine is respectively connected with the instruction queue and the instruction execution controller; the instruction execution controller is connected with the modular arithmetic operation cell array; the modular arithmetic operation cell array is connected with the memory controller, and the memory controller is respectively connected with an internal memory cell for a register file and the like and an output buffer circuit. The structure in the invention is configured according to the actual requirement, so as to meet specific application requirement with low power consumption and high cost performance.

Description

technical field [0001] The invention relates to the fields of information security, cryptographic algorithm chips, integrated circuit design and implementation, and system structure, and specifically relates to a high-performance public key cryptographic coprocessor structure that can accelerate the solution of various public key cryptographic algorithms and can be flexibly expanded. Background technique [0002] With the rapid development of integrated circuit technology, computer network technology, computer technology, etc., various network applications centered on the Internet have been greatly developed. Typical applications such as e-commerce, e-government, e-passport, online banking, financial electronic , development of wireless local area network, software property rights protection, remote management, electronic passport, stock trading, etc. But on the other hand, network data transmission and terminals have been increasingly subject to various malicious attacks, r...

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a high-performance scalable public key cryptographic coprocessor structure, realize GF (p) and GF (2 m ) field operand length scalable modular multiplication, modular addition, modular exponentiation and modular inverse operations, and supports GF(p) and GF(2 m ) domain key length scalable elliptic curve operations, including addition, doubling, subtraction and scalar multiplication operations of points on the elliptic curve, to solve the scalability problem that is currently common in various public key cryptography coprocessors Poor and low-performance problems, which can effectively accelerate the solution of public key cryptographic algorithms such as RSA, ECC, ElGamal, Diffie-Hellman and DSA

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