For one thing, they are rather transparent: https://www.wolfssl.com/docs/security-vulnerabilities/ https://www.wolfssl.com/docs/security-vulnerabilities/ For

For one thing, they are rather transparent: https://www.wolfssl.com/docs/security-vulnerabilities/ https://www.wolfssl.com/docs/security-vulnerabilities/ For another, I used them for an embedded project for 5 years and they were the most complete, competent, and up-to-date library of the open-source ones we surveyed (and had a TON of optimizations for TI, STM, Arm and Cavium MCUs).