The PIN code of Hainan electronic signature tool is to ensure the security of the signature tool and prevent it from being illegally used. PIN code, that is, personal identification code, is a protective measure for electronic signature tools, which is equivalent to a password lock. Only when you know the correct password can you use the signature tool for digital signature.
The password is set by yourself when you register. Electronic authentication service refers to the activity of providing authenticity and reliability verification for all parties involved in electronic signature. According to the Administrative Measures for Electronic Authentication Services promulgated by China, an electronic authentication service provider refers to an institution that provides authentication services for electronic signatures that require third-party authentication.
The original password of the U shield of ICBC's online banking is generally 1234567U shield, that is, the customer certificate USBkey introduced by ICBC in 2003 and obtained the national patent, which is an advanced security tool provided by ICBC for online banking. It looks like a U disk, and its safety performance is like a shield, which means U-shaped shield, so it is named U shield.
● Password of U Shield You can change the password at the bank counter immediately after applying for U Shield, or you can use the supporting certificate tool software to change the certificate password, or you can log in to personal online banking and change the certificate password in "Customer Service-Personal Certificate Management-Personal Customer Certificate Password Update".