Inventor
ETZEL MARK H
US6 patents
Patents
6 patentsUS6577734B1Jun 10, 2003
Data encryption key management system
LUCENT TECHNOLOGIES INC331 citations97
US6377687B1Apr 23, 2002
Methods and apparatus for enhanced CMEA employing enhanced transformations
LUCENT TECHNOLOGIES INC12 citations71
US6266411B1Jul 24, 2001
Method and apparatus for multiple-iteration CMEA encryption and decryption for improved security for wireless telephone messages
LUCENT TECHNOLOGIES INC10 citations71
US6233337B1May 15, 2001
Methods and apparatus for enhanced security expansion of a secret key into a lookup table for improved security for wireless telephone messages
LUCENT TECHNOLOGIES INC7 citations71
US6876744B1Apr 5, 2005
Methods and apparatus for enhanced CMEA including a CMEA iteration preceded and followed by transformations and employing an involuntary lookup
LUCENT TECHNOLOGIES INC4 citations60
US6418224B1Jul 9, 2002
Methods and apparatus for self-inverting multiple-iteration CMEA crypto-processing for improved security for wireless telephone messages
LUCENT TECHNOLOGIES INC5 citations60