Secure data transmission from unsecured input environments

Details Secure data transmission from unsecured input environments Secure data transmission from unsecured input environments

2006-01-24

2006-01-24

Peeso, Thomas R. (Department: 2132)

Electrical computers and digital processing systems: support

System access control based on user identification by...

C713S168000, C713S189000, C713S152000, C713S152000

Reexamination Certificate

active

06990586

ABSTRACT:
An apparatus, business method and program product for selectively providing access to a service facility such as a financial institution or bank. Client access codes (passwords, PINs) are maintained by the service facility in a database. When a client seeks access to the service facility, e.g., access to the client's account, a random sequence of character is generated and passed to the client. The client responds with an offset that when combined with the random character sequence is the client's access code. The client sends the code to the service facility and is granted access to the client's account. Optionally, the service facility may specify an intended relationship between the offset and the random character sequence, e.g., the offset is added/subtracted from the random character sequence. For additional security, dummy characters may be embedded in the random character sequence.

REFERENCES:
patent: 5971272 (1999-10-01), Hsiao

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