Dynamic password generation

A computer program product for providing access to electronic information, the program product comprising:

• a computer-readable storage medium and program instructions stored on the computer-readable storage medium, the program instructions, when executed by a computer, cause the computer to perform a method comprising:
• receiving, by a first computer from a second computer over a network, in response to information entered into a user interface on the second computer, a first password string associated with a user and a rule for configuring and generating a second password string from the first password string, wherein the rule specifies a dynamic element to insert at a specified position in the first password string, based on first contextual information associated with the user, and wherein a value of the specified dynamic element is determined based on second contextual information associated with the user;
• in response to receiving, by the first computer from the second computer over the network, a third password string associated with the user, via information entered into the user interface on the second computer:
• configuring and generating, by the first computer, the second password string from the first password string, based on the received rule, by:
• selecting the specified dynamic element based on the first contextual information associated with the user;
• inserting the selected dynamic element in the first password string at the specified position;
• and
• determining the value of the selected dynamic element based on the second contextual information associated with the user;
• and
• in response to determining, by the first computer, that the third password string matches the second password string, granting, by the first computer, the second computer access to the electronic information.