Method for preparing safe electronic notarized documents in electronic commerce

A method for preparing safe electronic notarized document in electronic commerce, comprising the steps of:

• a first step of preparing a primary electronic notarized document based on a transaction detail information, a customer certificate, a merchant certificate, a notarizing organization certificate, and a certifying organization certificate by a notarizing organization, putting a digital signature to the primary notarized document by using a private key of said notarizing organization so as to form a secondary electronic notarized document, and transmitting the secondary electronic notarized document to a customer or a merchant
• a second step of decoding the secondary electronic notarized document of the first step by said customer or merchant by using a private key of said notarizing organization;
• a third step of putting a digital signature on the decoded secondary electronic notarized document of the second step by said customer or merchant by using a private key of his or her own so as to form a tertiary electronic notarized document, and transmitting the tertiary electronic notarized document to said notarizing organization;
• a fourth step of decoding the tertiary electronic notarized document of the third step by using an open key of said notarizing organization and an open key of said customer or merchant so as to form a biquadratic electronic notarized document, and comparing the biquadratic electronic notarized document with the primary electronic notarized document of the first step;
• a fifth step of obtaining a message digest of the notarized document upon finding a correspondence between the electronic notarized document of the first step and the electronic notarized document of the fourth step, and putting a digital signature on the message digest by using a private key of said notarizing organization;
• a sixth step of forming a final electronic notarized document for providing a realization of notarization of the transaction by utilizing the digitally signed tertiary electronic notarized document of the third step and the digitally signed message digest of the fifth step, and sending the final electronic notarized document to said customer or merchant;
• and
• a seventh step of storing the final electronic notarized document of the sixth step by said customer or merchant after receipt of it from said notarizing organization.