73 lines
1.7 KiB
Markdown
73 lines
1.7 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_SSLKEYTYPE
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_PROXY_SSLKEYTYPE (3)
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- CURLOPT_SSLCERT (3)
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- CURLOPT_SSLKEY (3)
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---
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# NAME
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CURLOPT_SSLKEYTYPE - type of the private key file
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLKEYTYPE, char *type);
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~~~
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# DESCRIPTION
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Pass a pointer to a null-terminated string as parameter. The string should be
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the format of your private key. Supported formats are "PEM", "DER" and "ENG".
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The format "ENG" enables you to load the private key from a crypto engine. In
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this case CURLOPT_SSLKEY(3) is used as an identifier passed to the engine. You
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have to set the crypto engine with CURLOPT_SSLENGINE(3). "DER" format key file
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currently does not work because of a bug in OpenSSL.
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The application does not have to keep the string around after setting this
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option.
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# DEFAULT
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"PEM"
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# PROTOCOLS
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All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
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curl_easy_setopt(curl, CURLOPT_SSLCERT, "client.pem");
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curl_easy_setopt(curl, CURLOPT_SSLKEY, "key.pem");
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curl_easy_setopt(curl, CURLOPT_SSLKEYTYPE, "PEM");
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curl_easy_setopt(curl, CURLOPT_KEYPASSWD, "s3cret");
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res = curl_easy_perform(curl);
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curl_easy_cleanup(curl);
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}
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}
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~~~
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# AVAILABILITY
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If built TLS enabled.
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# RETURN VALUE
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Returns CURLE_OK if TLS is supported, CURLE_UNKNOWN_OPTION if not, or
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CURLE_OUT_OF_MEMORY if there was insufficient heap space.
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