1.The signature scheme can verify the authenticity, integrity and undeniableness of a document, and signature scheme is the important content that information security studies.
签名计划可以用来验证身份的真实性、文档的完全性和不可否认性，是信息安全研讨的主要内容。
2.The signature scheme can verify the authenticity, integrity and undeniableness of a document, and signature scheme is the important content that information security studies.
