1 files changed, 2 insertions, 1 deletions
diff --git a/md5.h b/md5.h
index e2804fe..f9fdeb4 100755
--- a/md5.h
+++ b/md5.h
@@ -62,6 +62,7 @@
 
 typedef unsigned char md5_byte_t; /* 8-bit byte */
 typedef unsigned int md5_word_t; /* 32-bit word */
+#define MD5_LEN 16
 
 /* Define the state of the MD5 Algorithm. */
 typedef struct md5_state_s {
@@ -82,7 +83,7 @@ void md5_init(md5_state_t *pms);
 void md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes);
 
 /* Finish the message and return the digest. */
-void md5_finish(md5_state_t *pms, md5_byte_t digest[16]);
+void md5_finish(md5_state_t *pms, md5_byte_t digest[MD5_LEN]);
 
 #ifdef __cplusplus
 }  /* end extern "C" */