The supplier of electronic seal products will provide users with an electronic seal and a set of electronic seal client system, which should be installed in the terminal computer used by the electronic seal keeper. The main functions of the electronic seal client system are seal inspection and electronic seal management.

It is impossible to verify the authenticity by printing. If the signature is signed by electronic and signature tools, it shall be checked and printed directly in the electronic data document. Of course, you can still make a basic preliminary judgment by printing.

A reliable electronic signature has the same legal effect as a handwritten signature or seal. In other words, several electronic seals have legal effect. Its notable features are identity authentication technology, digital signature technology and timestamp technology.

In addition to the main functions such as signature verification, the software also provides functions such as annotation signature, encryption, decryption, decryption, copying and sewing seals. From the point of view of cryptography, the cryptographic techniques involved in these functions are consistent with the above signature functions.

After the reform and opening up and the blending of western civilization, the forms of signature seals and personal seals in China are gradually enriched, and the materials of photosensitive seals, atomic seals, claw seals and light ink seals are also gradually increased, although the materials and styles of famous seals are enriched.