SSL_CTX_use_PrivateKey_file( ctx.get(), server ? "keys/signer_server.key" : "keys/signer_client.key", SSL_FILETYPE_PEM );
if( 1 != SSL_CTX_load_verify_locations( ctx.get(), "keys/ca.crt", 0 ) ) {
SSL_CTX_use_PrivateKey_file( ctx.get(), server ? "keys/signer_server.key" : "keys/signer_client.key", SSL_FILETYPE_PEM );
if( 1 != SSL_CTX_load_verify_locations( ctx.get(), "keys/ca.crt", 0 ) ) {