certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d);
int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
int SSL_use_certificate(SSL *ssl, X509 *x);
int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
int SSL_use_certificate_file(SSL *ssl, const char *file, int type);

int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file);
int SSL_use_certificate_chain_file(SSL *ssl, const char *file);

int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKE