Method and apparatus for a non-revealing do-not-contact list...

Electrical computers and digital processing systems: support – System access control based on user identification by...

Reexamination Certificate

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Details

C713S176000, C726S001000, C707S793000, C709S224000

Reexamination Certificate

active

07461263

ABSTRACT:
A method and apparatus for a non-revealing do-not-contact list system in which a do-not-contact list of one-way hashed consumer contact information is provided to a set of one or more entities. The set of entities determine whether certain consumers wish to be contacted with the do-not-contact list without discovering actual consumer contact information.

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