digital signature

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌdigital ˈsignature noun [countable]  information on an electronic message that proves who the person sending the message is 〔表明电子信息发送人身份的〕数字签名

Examples from the Corpus

digital signature• If the fingerprints do match, however, then Y can be quite sure that the digital signature is authentic.• Therefore the digital signature verifies both the identity of the sender and the authenticity of the data in the document.From Longman Business Dictionarydigital signatureˌdigital ˈsignature (also electronic signature) [countable]COMPUTING information on an electronic message that proves who the person sending the message or information isA digital signature identifies and authenticates the originator of the information. → signature

ˌdigital ˈsignature nounChineseSyllable  

information that message proves Business on an Corpus who electronic

digital signature
ˌdigital ˈsignature noun [countable]
information on an electronic message that proves who the person sending the message is

digital signatureBrE /ˌdɪdʒɪtl ˈsɪɡnətʃə(r)/ 🔊NAmE /ˌdɪdʒɪtl ˈsɪɡnətʃər/ 🔊 noun (computing 计算机) a code that is added to an electronic file that proves that it was created by a particular person and that it has not been changed 数字签名