Horst Feistel

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Mount Kisco, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
High security system for electronic signature verification
- Patent number 4,326,098
- Issue date Apr 20, 1982
- International Business Machines Corporation
- Willard G. Bouricius
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Stream/block cipher crytographic system
- Patent number 4,316,055
- Issue date Feb 16, 1982
- International Business Machines Corporation
- Horst Feistel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variant key matrix cipher system
- Patent number 4,195,196
- Issue date Mar 25, 1980
- International Business Machines Corporation
- Horst Feistel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key controlled block-cipher cryptographic system employing a multid...
- Patent number 4,195,200
- Issue date Mar 25, 1980
- International Business Machines Corporation
- Horst Feistel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE