The electronic signature system shall becontrolled strictly and ensue the identity of the signature, signature security, non-repudiation and traceability by identification and authentication of the siA、 The electronic signature system shall be controlled severely and ensue the identity of the signature, signature security, unchangeable and retrospective by identification and authentication of the signatory validity；B、 The electronic signature system shall be controlled strictly and ensue the identity of the signature, signature security, revisability and traceability by identification and authentication of the signatory validity；C、 The electronic signature system shall ensue the identity of the signature, signature security, undeniable and retrospective by identification and authentication of the signatory validity. It should be controlled strictly；-易过题库-题库最全的搜题网站

The electronic signature system shall becontrolled strictly and ensue the identity of the signature, signature security, non-repudiation and traceability by identification and authentication of the signatory validity.

A The electronic signature system shall be controlled severely and ensue the identity of the signature, signature security, unchangeable and retrospective by identification and authentication of the signatory validity；

B The electronic signature system shall be controlled strictly and ensue the identity of the signature, signature security, revisability and traceability by identification and authentication of the signatory validity；

C The electronic signature system shall ensue the identity of the signature, signature security, undeniable and retrospective by identification and authentication of the signatory validity. It should be controlled strictly；

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