X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=secnet.git;a=blobdiff_plain;f=serpent.h;h=19c01fe435acc5354d9f8f6f03bfdbf780abfbed;hp=07176d76d806f58faf7171fca9a847849ec7cd1b;hb=d357bccb2ab22037e2b3415ffdd85212112a90a6;hpb=46008a7c3e56df88d06087d26cb9ddc197933589

diff --git a/serpent.h b/serpent.h
index 07176d7..19c01fe 100644
--- a/serpent.h
+++ b/serpent.h
@@ -8,12 +8,12 @@ struct keyInstance {
 
 /*  Function protoypes  */
 void serpent_makekey(struct keyInstance *key, int keyLen,
-		     uint8_t *keyMaterial);
+		     const uint8_t *keyMaterial);
 
-void serpent_encrypt(struct keyInstance *key, uint8_t plaintext[16],
+void serpent_encrypt(struct keyInstance *key, const uint8_t plaintext[16],
 		     uint8_t ciphertext[16]);
 
-void serpent_decrypt(struct keyInstance *key, uint8_t ciphertext[16],
+void serpent_decrypt(struct keyInstance *key, const uint8_t ciphertext[16],
 		     uint8_t plaintext[16]);
 
 #endif /* serpent_h */