Update the digital signature based on the requirement.

基于需求更新数字签名。

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A directed digital signature based on hyper elliptic curve cryptosystems was proposed and the security was discussed.

该文基于超椭圆曲线密码体制提出了一个单向签名方案，并分析了其安全性。

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Verification of the signature is a key in any signature-based form implementation.

签名验证在任何基于签名的表单实现中都是关键部分。

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Custom Trojans are as hard for signature based anti-virus to catch as the dreaded zero-day threats which exploit previously unknown vulnerabilities.

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It is signature based which means it relies on a massive collection of snippets of text and code that researchers have discovered over the years are associated with unwanted network traffic, be it worms, port scans, or intrusions.

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Its new software will run behavior and reputation-based checks rather than the signature-based check which should make it more accurate.

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