1--- 2c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 3SPDX-License-Identifier: curl 4Title: CURLOPT_PROXY_SSLKEYTYPE 5Section: 3 6Source: libcurl 7See-also: 8 - CURLOPT_PROXY_SSLCERT (3) 9 - CURLOPT_PROXY_SSLKEY (3) 10 - CURLOPT_SSLKEYTYPE (3) 11Protocol: 12 - TLS 13TLS-backend: 14 - OpenSSL 15 - BearSSL 16 - wolfSSL 17--- 18 19# NAME 20 21CURLOPT_PROXY_SSLKEYTYPE - type of the proxy private key file 22 23# SYNOPSIS 24 25~~~c 26#include <curl/curl.h> 27 28CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLKEYTYPE, char *type); 29~~~ 30 31# DESCRIPTION 32 33This option is for connecting to an HTTPS proxy, not an HTTPS server. 34 35Pass a pointer to a null-terminated string as parameter. The string should be 36the format of your private key. Supported formats are "PEM", "DER" and "ENG". 37 38The application does not have to keep the string around after setting this 39option. 40 41# EXAMPLE 42 43~~~c 44int main(void) 45{ 46 CURL *curl = curl_easy_init(); 47 if(curl) { 48 CURLcode res; 49 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/"); 50 curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy"); 51 curl_easy_setopt(curl, CURLOPT_PROXY_SSLCERT, "client.pem"); 52 curl_easy_setopt(curl, CURLOPT_PROXY_SSLKEY, "key.pem"); 53 curl_easy_setopt(curl, CURLOPT_PROXY_SSLKEYTYPE, "PEM"); 54 curl_easy_setopt(curl, CURLOPT_PROXY_KEYPASSWD, "s3cret"); 55 res = curl_easy_perform(curl); 56 curl_easy_cleanup(curl); 57 } 58} 59~~~ 60 61# AVAILABILITY 62 63Added in 7.52.0 64 65# RETURN VALUE 66 67Returns CURLE_OK if TLS is supported, CURLE_UNKNOWN_OPTION if not, or 68CURLE_OUT_OF_MEMORY if there was insufficient heap space. 69