Method and system to retrieve public keys in a memory constrained system
US-2024283644-A1 · Aug 22, 2024 · US
involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes
involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04L9/302 |
| Official title | {involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes} |
| Display label | involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes |
| Total patents | 555 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 30 |
| 2016 | 55 |
| 2017 | 51 |
| 2018 | 50 |
| 2019 | 81 |
| 2020 | 63 |
| 2021 | 54 |
| 2022 | 56 |
| 2023 | 39 |
| 2024 | 46 |
| 2025 | 25 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Robot mitigation
US-2016380775-A1 · Dec 29, 2016 · US
Secure token-based signature schemes using look-up tables
US-9531540-B2 · Dec 27, 2016 · US
Code signing system with machine to machine interaction
US-2016365983-A1 · Dec 15, 2016 · US
Protecting the input/output of modular encoded white-box rsa
US-2016328543-A1 · Nov 10, 2016 · US
System and method for securing offline usage of a certificate by otp system
US-2016330195-A1 · Nov 10, 2016 · US
Methods and system for secure communication between an RFID tag and a reader
US-9490970-B2 · Nov 8, 2016 · US
Rsa algorithm acceleration processors, methods, systems, and instructions
US-2016308676-A1 · Oct 20, 2016 · US
Method for causing a change of operating mode
US-2016275735-A1 · Sep 22, 2016 · US
Locking unit, housing having a locking unit, and method for unlocking one or more doors of the housing
US-2016275740-A1 · Sep 22, 2016 · US
Selection of access control apparatuses on an access authorization proving apparatus on the basis of information of a shipment
US-2016275741-A1 · Sep 22, 2016 · US
Robot mitigation
US-9444795-B1 · Sep 13, 2016 · US
Cryptographic Key Escrow
US-2016261415-A1 · Sep 8, 2016 · US
Cryptographic apparatus and method
US-2016248585-A1 · Aug 25, 2016 · US
Security mechanism evaluation service
US-9425966-B1 · Aug 23, 2016 · US
Non-deterministic encryption
US-2016239666-A1 · Aug 18, 2016 · US
Method and system for homomorphicly randomizing an input
US-2016234010-A1 · Aug 11, 2016 · US
Cryptographic method comprising a modular exponentiation operation
US-9405729-B2 · Aug 2, 2016 · US
General encoding functions for modular exponentiation encryption schemes
US-2016182235-A1 · Jun 23, 2016 · US
Method and system for homomorphicly randomizing an input
US-9350543-B2 · May 24, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04L9/302?
- CPC H04L9/302 is the Cooperative Patent Classification code for “involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes.”
- How many patents are filed under CPC H04L9/302 (involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes)?
- Our database includes 555 publications tagged with this CPC code.
- Is patent activity under CPC H04L9/302 growing?
- Publication counts under this code: 46 in 2024 vs 25 in 2025 (latest complete years).