X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Frc5%2Frc5.h;h=4adfd2db5ab1856a3074159d29cc847e634bfd14;hp=c18d943995af90532e119a133953b58dc5b56d27;hb=17085b022caf5975d3288cfdcd071826a7140735;hpb=a9be3af5ad4836f7e50f0546311ca90c717b861e

diff --git a/crypto/rc5/rc5.h b/crypto/rc5/rc5.h
index c18d943995..4adfd2db5a 100644
--- a/crypto/rc5/rc5.h
+++ b/crypto/rc5/rc5.h
@@ -63,6 +63,10 @@
 extern "C" {
 #endif
 
+#ifdef OPENSSL_NO_RC5
+#error RC5 is disabled.
+#endif
+
 #define RC5_ENCRYPT	1
 #define RC5_DECRYPT	0
 
@@ -89,18 +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
 }