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CURLOPT_TLSAUTH_TYPE(3) curl_easy_setopt options CURLOPT_TLSAUTH_TYPE(3)

CURLOPT_TLSAUTH_TYPE - TLS authentication methods

#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TLSAUTH_TYPE, char *type);

Pass a pointer to a null-terminated string as parameter. The string should be the method of the TLS authentication. Supported method is "SRP".

SRP
TLS-SRP authentication. Secure Remote Password authentication for TLS is defined in RFC5054 and provides mutual authentication if both sides have a shared secret. To use TLS-SRP, you must also set the CURLOPT_TLSAUTH_USERNAME(3) and CURLOPT_TLSAUTH_PASSWORD(3) options.

The application does not have to keep the string around after setting this option.

TLS SRP does not work with TLS 1.3.

blank

All TLS-based protocols

CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
  curl_easy_setopt(curl, CURLOPT_TLSAUTH_TYPE, "SRP");
  curl_easy_setopt(curl, CURLOPT_TLSAUTH_USERNAME, "user");
  curl_easy_setopt(curl, CURLOPT_TLSAUTH_PASSWORD, "secret");
  ret = curl_easy_perform(curl);
  curl_easy_cleanup(curl);
}

You need to build libcurl with GnuTLS or OpenSSL with TLS-SRP support for this to work. Added in 7.21.4

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

CURLOPT_TLSAUTH_USERNAME(3), CURLOPT_TLSAUTH_PASSWORD(3),
November 26, 2021 libcurl 7.83.1

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