H04L 9/002
Countermeasures against attacks on cryptographic mechanisms
Official title: {Countermeasures against attacks on cryptographic mechanisms (network architectures or network communication protocols for protection against malicious traffic H04L63/1441)}
H04L9/002 (Countermeasures against attacks on cryptographic mechanisms) appears on 1,953 US grants and 2,242 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,953
- Published applications
- 2,242
- Assignees
- 634
- Inventors
- 3,054
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 16 | 9 |
| 2002 | 6 | 21 |
| 2003 | 10 | 31 |
| 2004 | 17 | 43 |
| 2005 | 8 | 56 |
| 2006 | 21 | 44 |
| 2007 | 36 | 47 |
| 2008 | 37 | 65 |
| 2009 | 29 | 66 |
| 2010 | 51 | 92 |
| 2011 | 54 | 89 |
| 2012 | 77 | 74 |
| 2013 | 115 | 73 |
| 2014 | 114 | 66 |
| 2015 | 70 | 112 |
| 2016 | 82 | 93 |
| 2017 | 103 | 148 |
| 2018 | 92 | 134 |
| 2019 | 146 | 151 |
| 2020 | 135 | 170 |
| 2021 | 158 | 143 |
| 2022 | 146 | 128 |
| 2023 | 114 | 109 |
| 2024 | 118 | 106 |
| 2025 | 105 | 86 |
| 2026 | 54 | 86 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser detector capable of detecting a laser signal according to a transient voltage fluctuation15 Sep 2026US 12,736,400 B2United Microelectronics Corp.
- Circuit for a combined key value-dependent exchange and randomization of two values15 Sep 2026US 12,739,096 B2Infineon Technologies AG
- Single-photon transmission determination1 Sep 2026US 12,726,277 B2Arqit Limited
- Methods and systems for enhancing detection of fraudulent authentication data25 Aug 2026US 12,717,887 B2Daon Technology
- Enhanced cryptography systems and methods25 Aug 2026US 12,719,656 B2Cummins Inc.
- Method for exchanging a secret which can withstand quantum computer attacks, and associated computer system and computer program8 Oct 2026US 2026/0312808 A1Be Ys Trusted Solutions France
- Authentication apparatus, authentication target apparatus, image forming apparatus, replacement unit, and authentication method1 Oct 2026US 2026/0303376 A1Canon Kabushiki Kaisha
- Method and system for detecting fault injection attacks in a digital signature24 Sep 2026US 2026/0291708 A1NXP B. V.
- Protection of neural network models on edge devices10 Sep 2026US 2026/0268121 A1Fortifyiq, Inc.
- Method of generating an output binary word from an input binary word, method of performing an arithmetic operation on an input binary word associated to an output binary word, corresponding computer program product and devices27 Aug 2026US 2026/0252309 A1Nagravision Sarl
Most cited
By later US patents
- Method and system for establishing cryptographic communications between a remote device and a medical device308US 8,472,630 B2Roche Diagnostics International AG · 2013
- Programmable distributed personal security304US 5,533,123 ANational Semiconductor Corporation · 1996
- Enhanced block ciphers with data-dependent rotations304US 6,269,163 B1RSA Security Inc. · 2001
- Methods and apparatus for verifying the cryptographic security of a selected private and public key pair without knowing the private key299US 6,411,715 B1RSA Security Inc. · 2002
- Agile OTP generation284US 8,312,519 B12012