Apparatus and method for authorization of online financial transaction

An apparatus for authorizing online financial transaction, comprising:

• an authorization information creation unit configured to randomly select a portion of the transaction information corresponding to a user and to combine all the selected information to create authorization information;
• an authorization number creation unit configured to create an authorization number based on an OTP (One-Time Password);
• a conversion unit configured to convert the authorization information into a display displayed to the user through a specific process;
• a display unit configured to provide the transaction information and the converted authorization information to the user;
• an input unit configured to receive user selected information from the transaction information and the converted authorization information from the display unit based on the OTP corresponding to the user;
• and
• a user recognition determination unit configured to compare the user select information with the authorization information and determine whether the user recognizes the authorization information based on comparison results,
• wherein the authorization number creation unit designates one number of the OTP as a secret color and uses one number designated as the secret color as the authorization number.