Image forming apparatus, authentication method, and program

An authentication method executed by an image forming apparatus, the method comprising:

• a personal identification method acquisition step of extracting an identification method for identifying an operator from a first image scanned by an image scanning unit;
• a verification information extraction step of extracting verification information with respect to personal identification information of the operator from the first image;
• a personal identification information acquisition step of acquiring the personal identification information in accordance with the identification method;
• a verification step of verifying the acquired personal identification information with the verification information;
• and
• an authentication step of authenticating the operator based on authentication information of the operator extracted from the first image when the personal identification information matches with the verification information.

A storage medium having stored therein a program that causes an image forming apparatus to execute:

• a personal identification method acquisition step of extracting an identification method for identifying an operator from a first image scanned by an image scanning unit;
• a verification information extraction step of extracting verification information with respect to personal identification information of the operator from the first image;
• a personal identification information acquisition step of acquiring the personal identification information in accordance with the identification method;
• a verification step of verifying the acquired personal identification information with the verification information;
• and
• an authentication step of authenticating the operator based on authentication information of the operator extracted from the first image when the personal identification information matches with the verification information.