Therefore, applying the function of electronic signature to bidding can solve the problem of online stamping of documents and realize the paperless closed loop of the whole bidding process, and can do the following:
1) bidding process control: the process operation, the buyer can send the bidding information in batches, and the nodes can follow up, thus improving the efficiency of bidding management.
2) Bidding identity management: With the help of CA identity authentication technology, combined with personal and enterprise credit data, every signature action in the whole process of procurement bidding is true and undeniable.
3) Confidentiality of bidding information: By means of information encryption, hash value solidification and other technical means, information such as quotation documents and bidding documents cannot be tampered with in transmission, and the security of bidding documents and other information is ensured.
It can realize the efficient circulation of signatures and seals in all aspects of bidding and the fairness and justice of bidding process. The following figure shows the application process of electronic signature in the bidding process: