wolfSSL

Lightweight TLS and cryptography libraries for embedded systems, with FIPS 140-3 validation.

wolfSSL builds compact SSL/TLS and crypto libraries designed for embedded devices, IoT, automotive, and aerospace environments where footprint and certification matter. Its FIPS 140-3 validated modules let vendors ship into regulated markets. Founded in 2004 and bootstrapped, the company's code secures billions of connections.

Category: PKI, Crypto & Quantum
Founded: 2004
Funding: Bootstrapped (founded 2004)
Website: https://www.wolfssl.com

Seen at Black Hat USA 2026 (Silver sponsor, booth 5538).

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