When the extra complexity of X.509 certificates, XML Encryption and XML Digital Signature is not worth the effort because security is not the primary concern.
对于特别复杂的X . 509证书，不值得使用xml加密(XML Encryption)和XML数字签名(XML Digital Signature)，因为安全性不是首要考虑事项。
Under rational complexity assumptions and security parameters, the scheme enjoys the same computation cost as that of rsa signature but plausible security against quantum adversaries.
在合理的参数设置和复杂性假设下，该方案具有接近于RS A签字的复杂性，并可能抗击量子敌手的攻击。
First of all, in this paper, an improved digital signature scheme based on elliptic curve was presented. The security and complexity of digital signature was analyzed.
首先我们提出了一种改进的基于椭圆曲线的数字签名方案，并对其安全性和复杂度进行了分析。
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