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digital signature

noun
🔊/ˌdɪdʒɪtl ˈsɪɡnətʃə(r)/
🔊/ˌdɪdʒɪtl ˈsɪɡnətʃər/
(computing计算机)
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  1. a process that guarantees that the contents of a message have not been altered in the process of sending and delivering the message 数字签名compare electronic signature