The invention discloses an establishing and operation method for a portable smart
password management system. The operation steps comprise 1, registering a
system account; 2, generating digital
certificate information; 3, transmitting the digital
certificate information; 4, generating a master
password and inputting user personal information; 5, carrying out
secret sharing on the user master
password; 6, storing password information in a
database; 7, verifying integrity of
database information; 8,
logging in the
system account at a network terminal; 9, recovering the password information from the
database; 10,
synchronizing the password information to the network terminal; 11, finishing automatic login operation by the network terminal; 12, authorizing other users, thereby enabling the other users to use the password information; 13, inputting the personal information to initiate password finding operation; 14, judging a user identity and recovering the user master password; and 15, modifying a social relationship attribute. According to the method, the
password management efficiency is clearly improved, the convenient degree of using the password by the user is increased, the security of the password is improved, and the method has popularization prospect.