Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8522029 | Secret-key exchange for wireless and sensor networks | Dakshi Agrawal, Chatschik Bisdikian, Cagatay Capar, Hugo M. Krawczyk, Tal Rabin +1 more | 2013-08-27 |
| 8422681 | Non-interactive hierarchical identity-based key-agreement | Shai Halevi, Hugo M. Krawczyk, Tal Rabin | 2013-04-16 |
| 7640432 | Electronic cash controlled by non-homomorphic signatures | Charles P. Tresser | 2009-12-29 |
| 6578144 | Secure hash-and-sign signatures | Shai Halevi, Tal Rabin | 2003-06-10 |
| 6535607 | Method and apparatus for providing interoperability between key recovery and non-key recovery systems | Coimbatore S. Chandersekaran, Sarbari Gupta, Stephen M. Matyas, David R. Safford, Nevenko Zunic | 2003-03-18 |
| 6317834 | Biometric authentication system with encrypted models | Shai Halevi, Stephane H. Maes, Tal Rabin, Jeffrey Scott Sorensen | 2001-11-13 |
| 6311271 | How to sign digital streams | Pankaj Rohatgi | 2001-10-30 |
| 6292897 | Undeniable certificates for digital signature verification | Hugo M. Krawczyk, Tal Rabin | 2001-09-18 |
| 6243470 | Method and apparatus for advanced symmetric key block cipher with variable length key and block | Don Coppersmith, Shai Halevi, Charanjit Singh Jutla, Stephen M. Matyas, Mohammed Peyravian +2 more | 2001-06-05 |
| 6192472 | Method and apparatus for the secure distributed storage and retrieval of information | Juan A. Garay, Charanjit Singh Jutla, Tal Rabin | 2001-02-20 |
| 6192129 | Method and apparatus for advanced byte-oriented symmetric key block cipher with variable length key and block | Don Coppersmith, Shai Halevi, Charanjit Singh Jutla, Stephen M. Matyas, Mohammed Peyravian +2 more | 2001-02-20 |
| 6189095 | Symmetric block cipher using multiple stages with modified type-1 and type-3 feistel networks | Don Coppersmith, Shai Halevi, Charanjit Singh Jutla, Stephen M. Matyas, Luke O'Connor +3 more | 2001-02-13 |
| 6185679 | Method and apparatus for a symmetric block cipher using multiple stages with type-1 and type-3 feistel networks | Don Coppersmith, Shai Halevi, Charanjit Singh Jutla, Stephen M. Matyas, Luke O'Connor +3 more | 2001-02-06 |
| 6185304 | Method and apparatus for a symmetric block cipher using multiple stages | Don Coppersmith, Shai Halevi, Charanjit Singh Jutla, Stephen M. Matyas, Luke O'Connor +3 more | 2001-02-06 |
| 6058188 | Method and apparatus for interoperable validation of key recovery information in a cryptographic system | Coimbatore S. Chandersekaran, Sarbari Gupta, Stephen M. Matyas, David R. Safford, Nevenko Zunic | 2000-05-02 |
| 6009176 | How to sign digital streams | Pankaj Rohatgi | 1999-12-28 |
| 5991414 | Method and apparatus for the secure distributed storage and retrieval of information | Juan A. Garay, Charanjit Singh Jutla, Tal Rabin | 1999-11-23 |
| 5937066 | Two-phase cryptographic key recovery system | Donald B. Johnson, Paul A. Karger, Stephen M. Matyas, Mohammad Peyravian, David R. Safford +2 more | 1999-08-10 |
| 5907618 | Method and apparatus for verifiably providing key recovery information in a cryptographic system | Paul A. Karger, Stephen M. Matyas, Mohammad Peyravian, David R. Safford, Nevenko Zunic | 1999-05-25 |