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curl/docs/libcurl/opts/CURLOPT_PROXY_SSLKEY.3

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+.\" **************************************************************************
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+.\" *                             / __| | | | |_) | |
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+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <[email protected]>, et al.
+.\" *
+.\" * This software is licensed as described in the file COPYING, which
+.\" * you should have received as part of this distribution. The terms
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+.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+.\" * copies of the Software, and permit persons to whom the Software is
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+.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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+.\" **************************************************************************
+.\"
+.TH CURLOPT_PROXY_SSLKEY 3 "November 04, 2020" "libcurl 7.75.0" "curl_easy_setopt options"
+
+.SH NAME
+CURLOPT_PROXY_SSLKEY \- specify private keyfile for TLS and SSL proxy client cert
+.SH SYNOPSIS
+#include <curl/curl.h>
+
+CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_SSLKEY, char *keyfile);
+.SH DESCRIPTION
+Pass a pointer to a null-terminated string as parameter. The string should be
+the file name of your private key used for connecting to the HTTPS proxy. The
+default format is "PEM" and can be changed with
+\fICURLOPT_PROXY_SSLKEYTYPE(3)\fP.
+
+(iOS and Mac OS X only) This option is ignored if curl was built against
+Secure Transport. Secure Transport expects the private key to be already
+present in the keychain or PKCS#12 file containing the certificate.
+
+The application does not have to keep the string around after setting this
+option.
+.SH DEFAULT
+NULL
+.SH PROTOCOLS
+All
+.SH EXAMPLE
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
+  curl_easy_setopt(curl, CURLOPT_PROXY, "https://proxy");
+  curl_easy_setopt(curl, CURLOPT_PROXY_SSLCERT, "client.pem");
+  curl_easy_setopt(curl, CURLOPT_PROXY_SSLKEY, "key.pem");
+  curl_easy_setopt(curl, CURLOPT_PROXY_KEYPASSWD, "s3cret");
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
+.SH AVAILABILITY
+Added in 7.52.0
+
+If built TLS enabled.
+.SH RETURN VALUE
+Returns CURLE_OK if TLS is supported, CURLE_UNKNOWN_OPTION if not, or
+CURLE_OUT_OF_MEMORY if there was insufficient heap space.
+.SH "SEE ALSO"
+.BR CURLOPT_PROXY_SSLKEYTYPE "(3), " CURLOPT_PROXY_SSLCERT "(3), "
+.BR CURLOPT_SSLKEYTYPE "(3), " CURLOPT_SSLCERT "(3), "