Hugo Krawczyk  Hugo  Krawczyk photo       

contact information

IBM Fellow, Distinguished Research Staff Member
Thomas J. Watson Research Center, Yorktown Heights, NY USA
  +1dash914dash945dash1771

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Professional Associations

Professional Associations:  IBM Academy of Technology  |  International Association for Cryptologic Research (IACR)


2017

Compressing encrypted data without the encryption key
Hazay, Camit and Jagmohan, Ashish and Klinc, Demijan and Krawczyk, Hugo M and Rabin, Tal
US Patent 9,742,557
Abstract

Masking query data access pattern in encrypted data
Cash, Charles D and Jarecki, Stanislaw and Jutla, Charanjit S and Krawczyk, Hugo M and Rosu, Marcel C and Steiner, Michael
US Patent 9,646,166
Abstract


2015

Compressing block-cipher encrypted data
Hazay, Camit and Jagmohan, Ashish and Klinc, Demijan and Krawczyk, Hugo M and Rabin, Tal
US Patent 8,934,630
Abstract


2014

Remote authentication based on challenge-response using digital certificates
Bouz, Firas and Escamilla, Terry D and Krawczyk, Hugo M and Rabin, Tal D
US Patent 8,646,062
Abstract


2013

Secret-key exchange for wireless and sensor networks
Agrawal, Dakshi and Bisdikian, Chatschik and Capar, Cagatay and Gennaro, Rosario and Krawczyk, Hugo M and Rabin, Tal and Zafer, Murtaza
US Patent 8,522,029
Abstract

Non-interactive hierarchical identity-based key-agreement
Gennaro, Rosario and Halevi, Shai and Krawczyk, Hugo M and Rabin, Tal
US Patent 8,422,681
Abstract


2009

Compressing encrypted data without the encryption key
Camit Hazay, Ashish Jagmohan, Demijan Klinc, Hugo M Krawczyk, Tal Rabin
US Patent App. 12/610,754


2007

System, Method and Computer Program Product for Processing a Memory Page
Halevi, Shai and Hall, William Eric and Krawczyk, Hugo Mario and Satran, Julian and Shimony, Ilan
US Patent App. 11/782,646
Abstract

Method and system of network communication privacy between network devices
Jennings III, Raymond B and Krawczyk, Hugo M and Saha, Debanjan
US Patent App. 11/745,053
Abstract


2001

Undeniable certificates for digital signature verification
Gennaro, Rosario and Krawczyk, Hugo Mario and Rabin, Tal D
US Patent 6,292,897
Abstract


2000

Chameleon hashing and signatures
Krawczyk, Hugo Mario and Rabin, Tal D
US Patent 6,108,783
Abstract


1998

Method and system for the secured distribution of multimedia titles
Herzberg, Amir and Krawczyk, Hugo Mario and Kutten, Shay and Van Le, An and Matyas, Stephen Michael and Yung, Marcel Mordechay
US Patent 5,745,678
Abstract


1997

Method and system for a public key cryptosystem having proactive, robust, and recoverable distributed threshold secret sharing
Herzberg, Amir and Jarecki, Stanislaw M and Krawczyk, Hugo M and Yung, Marcel M
US Patent 5,625,692
Abstract


1996

Exchange certificate for one way validation of information
Bantz, David and Bauchot, Frederic and Bello, Eliane D and Kutten, Shay and Krawczyk, Hugo and Herzberg, Amir and Mansour, Yishay
US Patent 5,515,439
Abstract

Distributed fingerprints for information integrity verification
Krawczyk, Hugo M
US Patent 5,530,757
Abstract

Dynamic user registration method in a mobile communications network
Bantz, David and Bauchot, Frederic and Bello, Eliane D and Kutten, Shay and Krawczyk, Hugo
US Patent 5,519,706
Abstract


1994

Secure message authentication for binary additive stream cipher systems
Herzberg, Amir and Krawczyk, Hugo M and Kutten, Shay and Mansour, Yishay
US Patent 5,345,507
Abstract




Technical Areas