| 摘要 |
1.1. Phone and PIN enables any unmodified telephone to act as a secure PIN (Personal Identification Number) entry means any remote Computer or Business Information System can use to authenticate the identity of any person or to obtain validation for any transaction purportedly made by any person. There are many instances when Business Information Systems or individuals may wish to immediately confirm the accuracy, validity or authenticity of the identity of any person or confirm the accuracy, validity or authenticity of a transaction any person has, is about to or which they intend to present. This need often arises in the normal course of business and particularly when persons transact business on the Internet. Phone and PIN provides an automated means for such authentication to be obtained. The person to be called has a PIN number associated with their telephone, which is known to them. The person is called on their telephone by the Phone and PIN System and requested by spoken automated means to enter their PIN onto their Phone to authenticate their identity or to obtain validation for any transaction purportedly made by that person. Correct entry of the PIN typically provides such authentication. The methodology to make this possible is described herein. An example of how Phone and PIN can be used by way of illustration is included in the Appendix.
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