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repo/core/curl/files/CURLOPT_KEYPASSWD.3
2024-03-30 13:28:04 -05:00

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.\" generated by cd2nroff 0.1 from CURLOPT_KEYPASSWD.md
.TH CURLOPT_KEYPASSWD 3 libcurl
.SH NAME
CURLOPT_KEYPASSWD \- passphrase to private key
.SH SYNOPSIS
.nf
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_KEYPASSWD, char *pwd);
.fi
.SH DESCRIPTION
Pass a pointer to a null\-terminated string as parameter. It is used as the
password required to use the \fICURLOPT_SSLKEY(3)\fP or
\fICURLOPT_SSH_PRIVATE_KEYFILE(3)\fP private key. You never need a pass phrase to
load a certificate but you need one to load your private key.
The application does not have to keep the string around after setting this
option.
.SH DEFAULT
NULL
.SH PROTOCOLS
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
This option works only with the following TLS backends:
OpenSSL, Schannel, mbedTLS and wolfSSL
.SH EXAMPLE
.nf
int main(void)
{
CURL *curl = curl_easy_init();
if(curl) {
CURLcode res;
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/foo.bin");
curl_easy_setopt(curl, CURLOPT_SSLCERT, "client.pem");
curl_easy_setopt(curl, CURLOPT_SSLKEY, "key.pem");
curl_easy_setopt(curl, CURLOPT_KEYPASSWD, "superman");
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
}
.fi
.SH AVAILABILITY
This option was known as CURLOPT_SSLKEYPASSWD up to 7.16.4 and
CURLOPT_SSLCERTPASSWD up to 7.9.2.
.SH RETURN VALUE
Returns CURLE_OK if TLS enabled, CURLE_UNKNOWN_OPTION if not, or
CURLE_OUT_OF_MEMORY if there was insufficient heap space.
.SH SEE ALSO
.BR CURLOPT_SSH_PRIVATE_KEYFILE (3),
.BR CURLOPT_SSLKEY (3)