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SSL_CTX_SET_TMP_RSA_CALLBACK(3) FreeBSD Library Functions Manual NAME SSL_CTX_set_tmp_rsa_callback, SSL_CTX_set_tmp_rsa, SSL_CTX_need_tmp_RSA, SSL_set_tmp_rsa_callback, SSL_set_tmp_rsa, SSL_need_tmp_RSA - handle RSA keys for ephemeral key exchange SYNOPSIS #include <openssl/ssl.h> void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx, RSA *(*tmp_rsa_callback)(SSL *ssl, int is_export, int keylength)); long SSL_CTX_set_tmp_rsa(SSL_CTX *ctx, RSA *rsa); long SSL_CTX_need_tmp_RSA(SSL_CTX *ctx); void SSL_set_tmp_rsa_callback(SSL_CTX *ctx, RSA *(*tmp_rsa_callback)(SSL *ssl, int is_export, int keylength)); long SSL_set_tmp_rsa(SSL *ssl, RSA *rsa); long SSL_need_tmp_RSA(SSL *ssl); DESCRIPTION Since they mattered only for deliberately insecure RSA authentication mandated by historical U.S. export restrictions, these functions are all deprecated and have no effect except that SSL_CTX_set_tmp_rsa_callback(), SSL_CTX_set_tmp_rsa(), SSL_set_tmp_rsa_callback(), and SSL_set_tmp_rsa() issue error messages when called. RETURN VALUES These functions always return 0, indicating failure. SEE ALSO ssl(3), SSL_CTX_set_cipher_list(3), SSL_CTX_set_options(3), SSL_CTX_set_tmp_dh_callback(3), SSL_new(3), SSL_set_tmp_ecdh(3) HISTORY SSL_CTX_set_tmp_rsa_callback(), SSL_CTX_set_tmp_rsa(), and SSL_CTX_need_tmp_RSA() first appeared in SSLeay 0.8.0 and have been available since OpenBSD 2.4. SSL_set_tmp_rsa_callback(), SSL_set_tmp_rsa(), and SSL_need_tmp_RSA() first appeared in OpenSSL 0.9.2b and have been available since OpenBSD 2.6. FreeBSD 14.1-RELEASE-p8 March 29, 2022 FreeBSD 14.1-RELEASE-p8