1 files changed, 11 insertions, 8 deletions

diff --git a/src/lib/libcrypto/rc5/rc5.h b/src/lib/libcrypto/rc5/rc5.h
index 38e901502b..fc4cea5e36 100644
--- a/src/lib/libcrypto/rc5/rc5.h
+++ b/src/lib/libcrypto/rc5/rc5.h
@@ -93,18 +93,21 @@ typedef struct rc5_key_st
         } RC5_32_KEY;
 
  
-void RC5_32_set_key(RC5_32_KEY *key, int len, unsigned char *data,
+void RC5_32_set_key(RC5_32_KEY *key, int len, const unsigned char *data,
         int rounds);
-void RC5_32_ecb_encrypt(unsigned char *in,unsigned char *out,RC5_32_KEY *key,
+void RC5_32_ecb_encrypt(const unsigned char *in,unsigned char *out,RC5_32_KEY *key,
         int enc);
 void RC5_32_encrypt(unsigned long *data,RC5_32_KEY *key);
 void RC5_32_decrypt(unsigned long *data,RC5_32_KEY *key);
-void RC5_32_cbc_encrypt(unsigned char *in, unsigned char *out, long length,
-        RC5_32_KEY *ks, unsigned char *iv, int enc);
-void RC5_32_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
-        RC5_32_KEY *schedule, unsigned char *ivec, int *num, int enc);
-void RC5_32_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
-        RC5_32_KEY *schedule, unsigned char *ivec, int *num);
+void RC5_32_cbc_encrypt(const unsigned char *in, unsigned char *out,
+                        long length, RC5_32_KEY *ks, unsigned char *iv,
+                        int enc);
+void RC5_32_cfb64_encrypt(const unsigned char *in, unsigned char *out,
+                          long length, RC5_32_KEY *schedule,
+                          unsigned char *ivec, int *num, int enc);
+void RC5_32_ofb64_encrypt(const unsigned char *in, unsigned char *out,
+                          long length, RC5_32_KEY *schedule,
+                          unsigned char *ivec, int *num);
 
 #ifdef  __cplusplus
 }