Definition of digital signature noun from the Oxford Advanced Learner's Dictionary


digital signature

BrE BrE//ˌdɪdʒɪtl ˈsɪɡnətʃə(r)//
; NAmE NAmE//ˌdɪdʒɪtl ˈsɪɡnətʃər//
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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
See the Oxford Advanced American Dictionary entry: digital signature