CURLOPT_PROXY_SSLKEY_BLOB(3)                          curl_easy_setopt options

NAME
       CURLOPT_PROXY_SSLKEY_BLOB - private key for proxy cert from memory blob

SYNOPSIS
       #include <curl/curl.h>

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLKEY_BLOB,
                                 struct curl_blob *blob);

DESCRIPTION
       Pass a pointer to a curl_blob structure that contains information
       (pointer and size) about the private key for connecting to the HTTPS
       proxy. Compatible with OpenSSL. The format (like "PEM") must be
       specified with _PROXY_SSLKEYTYPE&section=3">CURLOPT_PROXY_SSLKEYTYPE(3).

       If the blob is initialized with the flags member of struct curl_blob
       set to CURL_BLOB_COPY, the application does not have to keep the buffer
       around after setting this.

DEFAULT
       NULL

PROTOCOLS
       All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.

EXAMPLE
       CURL *curl = curl_easy_init();
       if(curl) {
         struct curl_blob blob;
         curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
         curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy");
         blob.data = certificateData;
         blob.len = filesize;
         blob.flags = CURL_BLOB_COPY;
         curl_easy_setopt(curl, CURLOPT_PROXY_SSLCERT_BLOB, &blob);
         curl_easy_setopt(curl, CURLOPT_PROXY_SSLCERTTYPE, "PEM");

         blob.data = privateKeyData;
         blob.len = privateKeySize;
         curl_easy_setopt(curl, CURLOPT_PROXY_SSLKEY_BLOB, &blob);
         curl_easy_setopt(curl, CURLOPT_PROXY_KEYPASSWD, "s3cret");
         ret = curl_easy_perform(curl);
         curl_easy_cleanup(curl);
       }

AVAILABILITY
       Added in libcurl 7.71.0. This option is supported by the OpenSSL
       backends.

RETURN VALUE
       Returns CURLE_OK if TLS enabled, CURLE_UNKNOWN_OPTION if not, or
       CURLE_OUT_OF_MEMORY if there was insufficient heap space.

SEE ALSO
       CURLOPT_SSLKEYTYPE(3), CURLOPT_SSLKEY(3),

libcurl 7.77.0                 November 4, 2020   CURLOPT_PROXY_SSLKEY_BLOB(3)