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Title "SSL_CTX_SET_TMP_ECDH 3ossl"
SSL_CTX_SET_TMP_ECDH 3ossl "2023-09-19" "3.0.11" "OpenSSL"
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"NAME"
SSL_CTX_set_tmp_ecdh, SSL_set_tmp_ecdh, SSL_CTX_set_ecdh_auto, SSL_set_ecdh_auto \- handle ECDH keys for ephemeral key exchange
"SYNOPSIS"
Header "SYNOPSIS" .Vb 1 #include <openssl/ssl.h> \& long SSL_CTX_set_tmp_ecdh(SSL_CTX *ctx, const EC_KEY *ecdh); long SSL_set_tmp_ecdh(SSL *ssl, const EC_KEY *ecdh); \& long SSL_CTX_set_ecdh_auto(SSL_CTX *ctx, int state); long SSL_set_ecdh_auto(SSL *ssl, int state); .Ve
"DESCRIPTION"
Header "DESCRIPTION" \fBSSL_CTX_set_tmp_ecdh() sets \s-1ECDH\s0 parameters to be used to be ecdh. The key is inherited by all ssl objects created from ctx. This macro is deprecated in favor of SSL_CTX_set1_groups\|(3).

\fBSSL_set_tmp_ecdh() sets the parameters only for ssl. This macro is deprecated in favor of SSL_set1_groups\|(3).

\fBSSL_CTX_set_ecdh_auto() and SSL_set_ecdh_auto() are deprecated and have no effect.

"RETURN VALUES"
Header "RETURN VALUES" \fBSSL_CTX_set_tmp_ecdh() and SSL_set_tmp_ecdh() return 1 on success and 0 on failure.
"SEE ALSO"
Header "SEE ALSO" \fBssl\|(7), SSL_CTX_set1_curves\|(3), SSL_CTX_set_cipher_list\|(3), \fBSSL_CTX_set_options\|(3), SSL_CTX_set_tmp_dh_callback\|(3), \fBopenssl-ciphers\|(1), openssl-ecparam\|(1)
"COPYRIGHT"
Header "COPYRIGHT" Copyright 2018 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.