Inventor
FINKELSTEIN LOUIS D
US13 patents
Patents
13 patentsUS5537474AJul 16, 1996
Method and apparatus for authentication in a communication system
MOTOROLA INC231 citations99
US5455863AOct 3, 1995
Method and apparatus for efficient real-time authentication and encryption in a communication system
MOTOROLA INC200 citations99
US5410602AApr 25, 1995
Method for key management of point-to-point communications
MOTOROLA INC166 citations99
US5319712AJun 7, 1994
Method and apparatus for providing cryptographic protection of a data stream in a communication system
MOTOROLA INC212 citations98
US5221838AJun 22, 1993
Electronic wallet
MOTOROLA INC1,216 citations98
US5239294AAug 24, 1993
Method and apparatus for authenication and protection of subscribers in telecommunication systems
MOTOROLA INC269 citations97
US5940799AAug 17, 1999
System and method for securing speech transactions
MOTOROLA INC82 citations96
US5365585ANov 15, 1994
Method and apparatus for encryption having a feedback register with selectable taps
MOTOROLA INC95 citations96
US5572193ANov 5, 1996
Method for authentication and protection of subscribers in telecommunications systems
MOTOROLA INC52 citations95
US5467398ANov 14, 1995
Method of messaging in a communication system
MOTOROLA INC91 citations95
US5564106AOct 8, 1996
Method for providing blind access to an encryption key
MOTOROLA INC50 citations92
US5060265AOct 22, 1991
Method of protecting a linear feedback shift register (LFSR) output signal
MOTOROLA INC34 citations92
US5841864ANov 24, 1998
Apparatus and method for authentication and session key exchange in a communication system
MOTOROLA INC45 citations91