extern "C" {
#endif
-#ifdef NO_CAST
+#include <openssl/opensslconf.h>
+
+#ifdef OPENSSL_NO_CAST
#error CAST is disabled.
#endif
} CAST_KEY;
-void CAST_set_key(CAST_KEY *key, int len, unsigned char *data);
+void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);
void CAST_ecb_encrypt(const unsigned char *in,unsigned char *out,CAST_KEY *key,
int enc);
void CAST_encrypt(CAST_LONG *data,CAST_KEY *key);