Having some consts in the code never hurts...

6 files changed, 14 insertions, 15 deletions

diff --git a/include/aes.h b/include/aes.h
index 8f9c64f..49f14d8 100644
--- a/include/aes.h
+++ b/include/aes.h
@@ -21,9 +21,9 @@ aes_context;
 extern "C" {
 #endif
 
-int  aes_set_key( aes_context *ctx, uint8 *key, int nbits );
-void aes_encrypt( aes_context *ctx, uint8 input[16], uint8 output[16] );
-void aes_decrypt( aes_context *ctx, uint8 input[16], uint8 output[16] );
+int  aes_set_key( aes_context *ctx, const uint8 *key, int nbits );
+void aes_encrypt( aes_context *ctx, const uint8 input[16], uint8 output[16] );
+void aes_decrypt( aes_context *ctx, const uint8 input[16], uint8 output[16] );
 
 #ifdef __cplusplus
 }
diff --git a/include/des.h b/include/des.h
index 27619aa..a6702be 100644
--- a/include/des.h
+++ b/include/des.h
@@ -27,16 +27,15 @@ des3_context;
 extern "C" {
 #endif
 
-int  des_set_key( des_context *ctx, uint8 key[8] );
-void des_encrypt( des_context *ctx, uint8 input[8], uint8 output[8] );
-void des_decrypt( des_context *ctx, uint8 input[8], uint8 output[8] );
+int  des_set_key( des_context *ctx, const uint8 key[8] );
+void des_encrypt( des_context *ctx, const uint8 input[8], uint8 output[8] );
+void des_decrypt( des_context *ctx, const uint8 input[8], uint8 output[8] );
 
-int  des3_set_2keys( des3_context *ctx, uint8 key1[8], uint8 key2[8] );
-int  des3_set_3keys( des3_context *ctx, uint8 key1[8], uint8 key2[8],
-                                        uint8 key3[8] );
+int  des3_set_2keys( des3_context *ctx, const uint8 key1[8], const uint8 key2[8] );
+int  des3_set_3keys( des3_context *ctx, const uint8 key1[8], const uint8 key2[8], const uint8 key3[8] );
 
-void des3_encrypt( des3_context *ctx, uint8 input[8], uint8 output[8] );
-void des3_decrypt( des3_context *ctx, uint8 input[8], uint8 output[8] );
+void des3_encrypt( des3_context *ctx, const uint8 input[8], uint8 output[8] );
+void des3_decrypt( des3_context *ctx, const uint8 input[8], uint8 output[8] );
 
 #ifdef __cplusplus
 }
diff --git a/include/md5.h b/include/md5.h
index 53d54b9..620e439 100644
--- a/include/md5.h
+++ b/include/md5.h
@@ -22,7 +22,7 @@ extern "C" {
 #endif
 
 void md5_starts( md5_context *ctx );
-void md5_update( md5_context *ctx, uint8 *input, uint32 length );
+void md5_update( md5_context *ctx, const uint8 *input, uint32 length );
 void md5_finish( md5_context *ctx, uint8 digest[16] );
 
 #ifdef __cplusplus
diff --git a/include/rc4.h b/include/rc4.h
index 45b3e1e..ac34bf1 100644
--- a/include/rc4.h
+++ b/include/rc4.h
@@ -10,7 +10,7 @@ struct rc4_state
 extern "C" {
 #endif
 
-void rc4_setup( struct rc4_state *s, unsigned char *key,  int length );
+void rc4_setup( struct rc4_state *s, const unsigned char *key,  int length );
 void rc4_crypt( struct rc4_state *s, unsigned char *data, int length );
 
 #ifdef __cplusplus
diff --git a/include/sha1.h b/include/sha1.h
index 11b3cbd..dd5d1e1 100644
--- a/include/sha1.h
+++ b/include/sha1.h
@@ -22,7 +22,7 @@ extern "C" {
 #endif
 
 void sha1_starts( sha1_context *ctx );
-void sha1_update( sha1_context *ctx, uint8 *input, uint32 length );
+void sha1_update( sha1_context *ctx, const uint8 *input, uint32 length );
 void sha1_finish( sha1_context *ctx, uint8 digest[20] );
 
 #ifdef __cplusplus
diff --git a/include/sha256.h b/include/sha256.h
index 91b5adc..60f5542 100644
--- a/include/sha256.h
+++ b/include/sha256.h
@@ -22,7 +22,7 @@ extern "C" {
 #endif
 
 void sha256_starts( sha256_context *ctx );
-void sha256_update( sha256_context *ctx, uint8 *input, uint32 length );
+void sha256_update( sha256_context *ctx, const uint8 *input, uint32 length );
 void sha256_finish( sha256_context *ctx, uint8 digest[32] );
 
 #ifdef __cplusplus