comparison mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_SSLCERT.3 @ 2:b50eed0cc0ef upstream

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author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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23 .TH CURLOPT_SSLCERT 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
24 .SH NAME
25 CURLOPT_SSLCERT \- set SSL client certificate
26 .SH SYNOPSIS
27 #include <curl/curl.h>
28
29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLCERT, char *cert);
30 .SH DESCRIPTION
31 Pass a pointer to a zero terminated string as parameter. The string should be
32 the file name of your client certificate. The default format is "P12" on
33 Secure Transport and "PEM" on other engines, and can be changed with
34 \fICURLOPT_SSLCERTTYPE(3)\fP.
35
36 With NSS or Secure Transport, this can also be the nickname of the certificate
37 you wish to authenticate with as it is named in the security database. If you
38 want to use a file from the current directory, please precede it with "./"
39 prefix, in order to avoid confusion with a nickname.
40
41 (Schannel only) Client certificates must be specified by a path expression to
42 a certificate store. (Loading PFX is not supported; you can import it to a
43 store first). You can use "<store location>\\<store name>\\<thumbprint>" to
44 refer to a certificate in the system certificates store, for example,
45 "CurrentUser\\MY\\934a7ac6f8a5d579285a74fa61e19f23ddfe8d7a". Thumbprint is
46 usually a SHA-1 hex string which you can see in certificate details. Following
47 store locations are supported: CurrentUser, LocalMachine, CurrentService,
48 Services, CurrentUserGroupPolicy, LocalMachineGroupPolicy,
49 LocalMachineEnterprise.
50
51 When using a client certificate, you most likely also need to provide a
52 private key with \fICURLOPT_SSLKEY(3)\fP.
53
54 The application does not have to keep the string around after setting this
55 option.
56 .SH DEFAULT
57 NULL
58 .SH PROTOCOLS
59 All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
60 .SH EXAMPLE
61 .nf
62 CURL *curl = curl_easy_init();
63 if(curl) {
64 curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
65 curl_easy_setopt(curl, CURLOPT_SSLCERT, "client.pem");
66 curl_easy_setopt(curl, CURLOPT_SSLKEY, "key.pem");
67 curl_easy_setopt(curl, CURLOPT_KEYPASSWD, "s3cret");
68 ret = curl_easy_perform(curl);
69 curl_easy_cleanup(curl);
70 }
71 .fi
72 .SH AVAILABILITY
73 If built TLS enabled.
74 .SH RETURN VALUE
75 Returns CURLE_OK if TLS enabled, CURLE_UNKNOWN_OPTION if not, or
76 CURLE_OUT_OF_MEMORY if there was insufficient heap space.
77 .SH "SEE ALSO"
78 .BR CURLOPT_SSLCERTTYPE "(3), " CURLOPT_SSLKEY "(3), "