H - Electricity – 04 – K
Patent
H - Electricity
04
K
379/3, 340/70
H04K 1/00 (2006.01) G07F 7/10 (2006.01) G09C 1/00 (2006.01) G09C 1/04 (2006.01)
Patent
CA 1314954
Abstract of the Disclosure An inexpensive encryption device, system and method includes coded alphanumeric characters preprinted according to different key codes on mail-out forms that can be manipulated by a prospective user to yield encyrpted data that can be returned over unsecure transmission channels for secure decryption by the operator of a computer-secured operating system. Error-correcting encoding is included to obviate the effects upon telephone keypad entry of secured data that includes error-prone alpha and numeric characters.
581866
Atalla Martin M.
Roberts Alan
Atalla Corporation
Sim & Mcburney
LandOfFree
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