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CURLOPT_SSL_EC_CURVES(3)   curl_easy_setopt options   CURLOPT_SSL_EC_CURVES(3)

NAME
       CURLOPT_SSL_EC_CURVES - set key exchange	curves

SYNOPSIS
       #include	<curl/curl.h>

       CURLcode	 curl_easy_setopt(CURL	*handle,  CURLOPT_SSL_EC_CURVES,  char
       *alg_list);

DESCRIPTION
       Pass a string as	parameter with a colon delimited list  of  (EC)	 algo-
       rithms. This option defines the client's	key exchange algorithms	in the
       SSL handshake (if the SSL backend libcurl is built to use supports it).

DEFAULT
       "", embedded in SSL backend

PROTOCOLS
       HTTP

EXAMPLE
       CURL *curl = curl_easy_init();
       if(curl)	{
	 curl_easy_setopt(curl,	CURLOPT_URL, "https://example.com/");
	 curl_easy_setopt(curl,	CURLOPT_SSL_EC_CURVES, "X25519:P-521");
	 ret = curl_easy_perform(curl);
	 curl_easy_cleanup(curl);
       }

AVAILABILITY
       Added in	7.73.0.	Supported by the OpenSSL backend.

RETURN VALUE
       Returns CURLE_OK	if the option is supported,  and  CURLE_UNKNOWN_OPTION
       if not.

SEE ALSO
       CURLOPT_SSL_OPTIONS(3),	CURLOPT_SSL_CIPHER_LIST(3),  CURLOPT_TLS13_CI-
       PHERS(3),

libcurl	7.74.0		       November	04, 2020      CURLOPT_SSL_EC_CURVES(3)

NAME | SYNOPSIS | DESCRIPTION | DEFAULT | PROTOCOLS | EXAMPLE | AVAILABILITY | RETURN VALUE | SEE ALSO

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