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椭圆曲线密码体制因具有每比特最高安全强度而成为公钥密码体制的发展趋势。椭圆曲线数字签名算法(ECDSA)计算复杂度高,因此选择DSP实现椭圆曲线数字签名是一个较好的选择。文章提出了基于TMS320C5402的椭圆曲线数字签名硬件系统,这个系统由计算机和数字签名卡共同完成数字签名和签名验证。
Elliptic curve cryptosystem has become the trend of public key cryptosystem because of the highest security per bit. ECDSA is computationally complex, so it is a good choice to choose DSP to realize elliptic curve digital signature. This paper presents an Elliptic Curve Digital Signature Hardware System based on TMS320C5402. This system is composed of computer and digital signature card to complete digital signature and signature verification.