#ifndef HEADER_RC4_H
#define HEADER_RC4_H
-#ifdef __cplusplus
-extern "C" {
-#endif
-
#ifdef NO_RC4
#error RC4 is disabled.
#endif
#include <openssl/opensslconf.h> /* RC4_INT */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
typedef struct rc4_key_st
{
RC4_INT x,y;
const char *RC4_options(void);
-void RC4_set_key(RC4_KEY *key, int len, unsigned char *data);
-void RC4(RC4_KEY *key, unsigned long len, unsigned char *indata,
+void RC4_set_key(RC4_KEY *key, int len, const unsigned char *data);
+void RC4(RC4_KEY *key, unsigned long len, const unsigned char *indata,
unsigned char *outdata);
#ifdef __cplusplus