Electrical computers and digital processing systems: memory – Storage accessing and control – Shared memory area
Reexamination Certificate
1998-05-11
2001-08-28
Yoo, Do Hyun (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Shared memory area
C711S154000, C709S213000, C709S241000
Reexamination Certificate
active
06282618
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a memory controller component for Internet Applications and an ATM including such a memory controller component.
BACKGROUND OF THE INVENTION
There is a requirement for Internet Banking and Financial Services Applications, to keep information (such as account details, PIN numbers etc.) available and secure when a user swaps between web pages. The user may swap pages within a site, for example, when conducting on-line banking and swapping from one account transaction to another; or when a user swaps between pages on different sites such as from their bank's web site to a utility, supermarket or airline web site. It is important, if such inter- or intra-site commerce is to be conducted, for data relating to the user to be persistent between web pages, because requesting the user to enter a card number or PIN multiple times is not viable from a usability viewpoint.
A ‘cookie’ mechanism, described at “http://home.netscape.com
ewsref/std/cookie_spec.html”, attempts to overcome this problem. This mechanism, however, is both unwieldy and not guaranteed to be successful as the acceptance of cookies is a browser determined function.
SUMMARY OF THE INVENTION
Accordingly, in a first aspect the present invention provides a memory controller component for an Internet application, comprising one or more web pages, said component being adapted to be instantiated from one of the or each web page and comprising: connect means adapted to check if a pre-determined area of shared memory has been allocated, and responsive to said shared memory not being allocated to allocate said shared memory; variable setting means adapted to allocate an area in shared memory for a variable and to store said variable; and variable retrieval means adapted to locate said variable in shared memory.
In the further aspect the invention provides an ATM including the memory controller component according to the first aspect of the invention.
The first aspect of the invention preferably provides a ACTIVEX or JAVABEAN memory controller component that can be attached to a web page written using the JAVASCRIPT or VBSCRIPT extensions to HTML (hyper-text mark-up language), or the JAVA language, to store and retrieve variable data, in either secure (encrypted) or insecure (clear) modes. Other web pages, that can reside on other servers, can also access this data via their own instance of the memory controller component, providing an easy to use and secure method of transferring sensitive data between pages.
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Dr Dobb's Journal Vol.21, No.9, Sep. 1996, pp. 64-70, & Computer Database Accession No. 01977213.
International Business Machines - Corporation
McLean Kimberly
Ray-Yarletts Jeanine S.
Yoo Do Hyun
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