The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS 1.3! Update to wolfSSL 5.9.1 for the latest CVE fixes.
tls ssl iot security cryptography encryption openssl https dtls sniffer embedded-systems fips c-library cipher-suites wolfssl tls13 trusted-execution-environment openssl-alternative cryptography-api openssl-api
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Updated
Apr 20, 2026 - C