G06F 2207/7233
Masking
Official title: Masking, e.g. (A**e)+r mod n
G06F2207/7233 (Masking) appears on 97 US grants and 112 published applications in this corpus.
Search patents in G06F- Granted patents
- 97
- Published applications
- 112
- Assignees
- 63
- Inventors
- 136
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 3 |
| 2005 | 3 | 8 |
| 2006 | 2 | 4 |
| 2007 | 2 | 3 |
| 2008 | 4 | 13 |
| 2009 | 6 | 7 |
| 2010 | 4 | 10 |
| 2011 | 8 | 6 |
| 2012 | 10 | 4 |
| 2013 | 10 | 11 |
| 2014 | 13 | 2 |
| 2015 | 3 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 5 |
| 2019 | 5 | 5 |
| 2020 | 4 | 6 |
| 2021 | 4 | 4 |
| 2022 | 4 | 1 |
| 2023 | 4 | 2 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Data-gating based masking19 May 2026US 12,632,610 B2Rambus Inc.
- Method for calculating a transition from a Boolean masking to an arithmetic masking17 Mar 2026US 12,578,927 B2Giesecke+Devrient Epayments GmbH
- Triplication-based fault attack countermeasure7 Oct 2025US 12,438,694 B2QUALCOMM Incorporated
- Masked decomposition of polynomials for lattice-based cryptography25 Jun 2024US 12,021,985 B2NXP B. V.
- Constant time secure arithmetic-to-Boolean mask conversion21 Nov 2023US 11,822,704 B2Cryptography Research, 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
- Low-cost masking for post-quantum cryptography30 Apr 2026US 2026/0121834 A1Microsoft Technology Licensing, LLC
- Triplication-based fault attack countermeasure23 Jan 2025US 2025/0030535 A1QUALCOMM Incorporated
- Method for calculating a transition from a boolean masking to an arithmetic masking15 Aug 2024US 2024/0272873 A1Giesecke+Devrient Epayments GmbH
- Protecting polynomial rejection through masked compression comparison18 Apr 2024US 2024/0126511 A1NXP B. V.
Most cited
By later US patents
- Method and apparatus for protecting public key schemes from timing and fault attacks67US 5,991,415 AYEDA RESEARCH AND DEVELOPMENT CO.LTD, at The Weizmann Institute of Science · 1999
- Information processing equipment and IC card34US 6,408,075 B1Hitachi, Ltd. · 2002
- Method to protect a cryptographic assembly by homographic masking33US 8,074,076 B2Gemalto SA · 2011
- Secret key cryptographic process for protecting a computer system against attacks by physical analysis30US 6,658,569 B1Bull CP8 · 2003
- Method for strengthening the implementation of ECDSA against power analysis29US 7,599,491 B2Certicom Corp. · 2009