H04L 2209/26
Testing cryptographic entity
Official title: Testing cryptographic entity, e.g. testing integrity of encryption key or encryption algorithm
H04L2209/26 (Testing cryptographic entity) appears on 301 US grants and 307 published applications in this corpus.
Search patents in H04L- Granted patents
- 301
- Published applications
- 307
- Assignees
- 212
- Inventors
- 698
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 2 |
| 2002 | 0 | 6 |
| 2003 | 3 | 7 |
| 2004 | 3 | 7 |
| 2005 | 2 | 8 |
| 2006 | 5 | 5 |
| 2007 | 8 | 9 |
| 2008 | 9 | 6 |
| 2009 | 7 | 11 |
| 2010 | 12 | 10 |
| 2011 | 8 | 9 |
| 2012 | 9 | 6 |
| 2013 | 14 | 9 |
| 2014 | 12 | 10 |
| 2015 | 8 | 8 |
| 2016 | 7 | 10 |
| 2017 | 8 | 12 |
| 2018 | 9 | 5 |
| 2019 | 9 | 22 |
| 2020 | 21 | 27 |
| 2021 | 23 | 24 |
| 2022 | 18 | 25 |
| 2023 | 18 | 24 |
| 2024 | 25 | 20 |
| 2025 | 21 | 14 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hardware integrity control of an electronic device16 Jun 2026US 12,659,137 B2Assa Abloy AB
- Apparatus and method for decrypting an encrypted bit sequence12 May 2026US 12,627,497 B2Infineon Technologies AG
- System and method for data storage, transfer, synchronization, and security using automated model monitoring and training with a load-adaptive cache5 May 2026US 12,619,546 B2Atombeam Technologies Inc.
- Trustless physical cryptocurrency14 Apr 2026US 12,602,673 B2Arx Research, Inc.
- Cryptographic systems and non-deterministic random number generators based on quantum systems17 Mar 2026US 12,580,756 B2Quantinuum LLC
- Method and system to estimate risk for a software application due to quantum threat2 Jul 2026US 2026/0187252 A1Tata Consultancy Services Limited
- Tensor Network-Based Hash Function Attack2 Jul 2026US 2026/0189364 A1
- Method and System for determining a cryptographic key2 Jul 2026US 2026/0189374 A1
- Trustless physical cryptocurrency25 Jun 2026US 2026/0179068 A1Arx Research, Inc.
- Methods and ip cores for reducing vulnerability to hardware attacks and/or improving processor performance28 May 2026US 2026/0149560 A1Fortifyiq, Inc.
Most cited
By later US patents
- Scheme for information dispersal and reconstruction1,530US 5,485,474 APresident and Fellows of Harvard College · 1996
- Method for generating public and private key pairs without using a passphrase203US 5,201,000 AInternational Business Machines Corporation · 1993
- Secure computer interface158US 5,272,754 ASecure Computing Corporation · 1993
- Distributed fingerprints for information integrity verification126US 5,530,757 AInternational Business Machines Corporation · 1996
- Privacy-protected transfer of electronic information106US 5,521,980 A1996