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SSL_CTX_SET_TMP_RSA_CALLBACK(3) Library Functions Manual SSL_CTX_SET_TMP_RSA_CALLBACK(3)

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_RSAhandle RSA keys for ephemeral key exchange

#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);

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 (), (), (), and () issue error messages when called.

These functions always return 0, indicating failure.

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)

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.

March 27, 2018 OpenBSD-current