Hello everyone, In a project, I am currently working on, we are updating the OpenSSL library, to use OpenSSL 3. One of the main features we use, is to generate keys, which are secured by the TPM. In OpenSSL 3, they changed the access to this from engines to providers. I'm now trying to incorporate this change when creating a CURL request with mTLS, which needs to use a key secured by TPM.
Previously, I was able to access this key using the CURLOPT_SSLENGINE, to access keys secured by TPM: CURLcode curl_easy_setopt<https://curl.se/libcurl/c/curl_easy_setopt.html>(CURL *handle, CURLOPT_SSLENGINE<https://curl.se/libcurl/c/CURLOPT_SSLENGINE.html>, char *id); I have not yet found out, how it is possible to load a tpm2 provider, before libcurl tries to access the private key. Information on my system: OS: Debian 12 SSL: OpenSSL 3.0 TPM2 provider: https://github.com/tpm2-software/tpm2-openssl Kind Regards, Corinna
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