Inventor
RANCE ROBERT JOHN
US8 patents
Patents
8 patentsUS6577734B1Jun 10, 2003
Data encryption key management system
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US6005943ADec 21, 1999
Electronic identifiers for network terminal devices
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US6266412B1Jul 24, 2001
Encrypting speech coder
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US6377687B1Apr 23, 2002
Methods and apparatus for enhanced CMEA employing enhanced transformations
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US6266411B1Jul 24, 2001
Method and apparatus for multiple-iteration CMEA encryption and decryption for improved security for wireless telephone messages
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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
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US6876744B1Apr 5, 2005
Methods and apparatus for enhanced CMEA including a CMEA iteration preceded and followed by transformations and employing an involuntary lookup
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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