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CA. Written signature. Unsecured documents` delivery Late/ Delay in documents` delivery Availability of changing the contents . No verification of the signature validity No verification of the document contents validity No verification of time stamping
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CA Written signature Unsecured documents` delivery Late/ Delay in documents` delivery Availability of changing the contents No verification of the signature validity No verificationof the document contents validity No verificationof time stamping No verificationof who exactly signed Digital signature Internet / intranet Using smart card and personal pin code Signing any document before sending Signing data with Time stamping verification of the signature validity verification of the document`s contents validity verification of time stamping verification of who exactly signed Availability of storing signature & signed data