wolfSSL
Track on RadarEmbedded TLS/crypto library provider for IoT, RTOS, and resource-constrained devices.
- Total raised
- —
- Employees
- 50
- Founded
- 2004
- Momentum
- 37
Cooling
Data updated August 2026
About
About wolfSSL
At a glance
wolfSSL is a cybersecurity company specializing in Cyber-Physical Security, founded in 2004 and headquartered in Edmonds, United States. It employs about 50 people and is privately held.
wolfSSL Inc. develops embedded SSL/TLS libraries and cryptographic software primarily targeting resource-constrained, embedded, and real-time operating system (RTOS) environments. The company's flagship product, the wolfSSL embedded TLS library, is a lightweight, portable, C-language-based library supporting TLS 1.3 and DTLS 1.3 on both client and server sides. It is designed to be significantly smaller than OpenSSL and includes an OpenSSL compatibility layer, OCSP and CRL support, and progressive algorithm support optimized for footprint and runtime memory use. The wolfCrypt cryptographic engine underpins the wolfSSL library and is available with FIPS 140-3 validation (Certificates #4718 and #5041 issued by the CMVP) and DO-178C DAL-A certification for avionics use cases. Beyond the core TLS and crypto libraries, wolfSSL offers a broad suite of embedded security products: wolfTPM (portable TPM 2.0 library), wolfMQTT (MQTT client library), wolfSSH (SSH library), wolfBoot (secure bootloader), wolfSentry (embedded intrusion detection and prevention), wolfHSM (hardware security module support), curl/tinycurl, and Java JSSE/JCE providers via wolfSSL JNI and wolfCrypt JNI. wolfSSL products are deployed across diverse markets including automotive, aviation, industrial automation, smart grid, connected home, M2M, military, government, cloud services, mobile, routers, and gaming. The company reports over 5 billion applications and devices secured with its products. wolfSSL distributes most of its software under a dual-license model: open-source GPLv3 and commercial licensing. The company is based in the United States and also operates a Japanese regional presence.
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FAQ
Frequently asked questions about wolfSSL
When was wolfSSL founded?▾
wolfSSL was founded in 2004.
Where is wolfSSL headquartered?▾
wolfSSL is headquartered in Edmonds, United States.
Is wolfSSL public or private?▾
wolfSSL is a privately-held company.
How many employees does wolfSSL have?▾
wolfSSL has approximately 50 employees.
What does wolfSSL do?▾
wolfSSL Inc. develops embedded SSL/TLS libraries and cryptographic software primarily targeting resource-constrained, embedded, and real-time operating system (RTOS) environments. The company's flagship product, the wolfSSL embedded TLS library, is a lightweight, portable, C-language-based library s…