G06F 2207/7242
Exponent masking, i.e. key masking
Official title: Exponent masking, i.e. key masking, e.g. A**(e+r) mod n; (k+r).P
G06F2207/7242 (Exponent masking, i.e. key masking) appears on 34 US grants and 37 published applications in this corpus.
Search patents in G06F- Granted patents
- 34
- Published applications
- 37
- Assignees
- 28
- Inventors
- 54
- Latest grant
- 23 May 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 3 | 7 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 3 | 1 |
| 2012 | 3 | 4 |
| 2013 | 3 | 3 |
| 2014 | 8 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 2 |
| 2019 | 4 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year.
Recent patents
- Exponent splitting for cryptographic operations23 May 2023US 11,658,799 B2Cryptography Research, Inc.
- Exponent splitting for cryptographic operations8 Jun 2021US 11,032,060 B2Cryptography Research, Inc.
- Encryption/description method protected against side-channel attacks8 Dec 2020US 10,862,669 B2Idemia Identity & Security France
- Exponent splitting for cryptographic operations20 Aug 2019US 10,389,520 B2Cryptography Research, Inc.
- Computing a secure elliptic curve scalar multiplication using an unsecured and secure environment23 Jul 2019US 10,361,855 B2NXP B. V.
- Exponent splitting for cryptographic operations16 Dec 2021US 2021/0391975 A1Cryptography Research, Inc.
- Exponent splitting for cryptographic operations5 Mar 2020US 2020/0076569 A1Cryptography Research, Inc.
- Minimizing information leakage during modular exponentiation and elliptic curve point multiplication1 Aug 2019US 2019/0238310 A1The Athena Group, Inc.
- Encryption/description method protected against side-channel attacks22 Mar 2018US 2018/0083769 A1Safran Identity & Security
- Protection of a modular calculation1 Mar 2018US 2018/0060566 A1STMicroelectronics (Rousset) SAS
Most cited
By later US patents
- Security system using RSA algorithm and method thereof20US 7,421,074 B2Samsung Electronics Co., Ltd. · 2008
- Method and system of using an insecure crypto-accelerator14US 6,769,062 B1Ericsson Inc. · 2004
- Countermeasure method in an electronic component using a public key cryptography algorithm on an elliptic curve13US 6,914,986 B2Gemplus · 2005
- Method and apparatus for minimizing differential power attacks on processors11US 7,092,523 B2Certicom Corp. · 2006
- Method for protecting an electronic system with modular exponentiation-based cryptography against attacks by physical analysis8US 6,973,190 B1CP8 Technologies · 2005