《电子签名法》是我国首部有关电子商务的法律,确立了电子签名在数据电文证据认证中的重要作用。数据电文证据与电子签名证据、电子证据不同,应定位为新型书证。电子签名技术提供了完整性、不可篡改性、不可抵赖性的技术解决方案,成为判断数据电文证据材料适格性的方法之一。证明电子签名框架自身的可靠性应通过专门的鉴定机构进行。在涉及数据电文证据的诉讼中,法官与当事人遇到的技术难题只有依靠证据规则来解决。 The Electronic Signature Law, the first law on e-commerce in our country, established the important role of electronic signatures in the authentication of data messages. Data e-mail evidence and electronic signature evidence, electronic evidence is different, should be positioned as a new type of documentary evidence. Electronic signature technology provides a complete, non-tamper, non-repudiation of technical solutions to become one of the methods used to judge the suitability of data message evidence. Demonstrate that the reliability of the electronic signature framework itself should be verified by a specialized accreditation body. In the litigation involving evidence of data messages, the technical problems encountered by judges and parties are resolved only by the rules of evidence.