diff --git a/common/lib.c b/common/lib.c
index e7a0ac1..23d3da3 100644
--- a/common/lib.c
+++ b/common/lib.c
@@ -10,8 +10,8 @@ int verify_ed25519 (char * ed25519_pubkey, void * buf, int size, char * signatur
 //void *memcpy(void *__restrict__ __dest, const void *__restrict__ __src, size_t __n);
 //int memcmp(const void *__s1, const void *__s2, size_t __n);
 
-void sha1(void *buf, char * out_buf, size_t size) {}
-void sha256 (void *buf, char * out_buf, size_t size) {}
-void sha512 (void *buf, char * out_buf, size_t size) {}
+void sha1   (void *buf,size_t size, char * out_buf) {}
+void sha256 (void *buf,size_t size, char * out_buf) {}
+void sha512 (void *buf,size_t size, char * out_buf) {}
 
 #endif // __uC_LIB_C__