serpent: const-correct

[secnet.git] / serpent.c

diff --git a/serpent.c b/serpent.c
index ce918547155015ea7981c9ed51b87b345e9e1619..34ef6aa4d2a689b5a9282c9ee351088ee48186e9 100644 (file)
--- a/serpent.c
+++ b/serpent.c
@@ -26,7 +26,7 @@
 #include "serpentsboxes.h"
 
 void serpent_makekey(struct keyInstance *key, int keyLen,
-           uint8_t *keyMaterial)
+           const uint8_t *keyMaterial)
 {
     int i;
     uint32_t j;
@@ -86,7 +86,7 @@ void serpent_makekey(struct keyInstance *key, int keyLen,
 }
 
 void serpent_encrypt(struct keyInstance *key,
-                    uint8_t plaintext[16], 
+                    const uint8_t plaintext[16], 
                     uint8_t ciphertext[16])
 {
     register uint32_t x0, x1, x2, x3;
@@ -204,7 +204,7 @@ void serpent_encrypt(struct keyInstance *key,
 }
 
 void serpent_decrypt(struct keyInstance *key,
-                    uint8_t ciphertext[16],
+                    const uint8_t ciphertext[16],
                     uint8_t plaintext[16])
 {
     register uint32_t x0, x1, x2, x3;