According to the Electronic Signature Law and the Administrative Measures for Electronic Certification Services, electronic signatures must be authentic, complete and undeniable. If the electronic signature is not completely stamped, the integrity and authenticity of the signature cannot be guaranteed, and an encrypted file that meets the legal requirements cannot be generated. Therefore, the electronic signature of the tender must be completely stamped to generate an encrypted file.
In electronic signature, we should pay attention to the integrity and authenticity of the signature to ensure the validity and legitimacy of the signature.