2 files changed, 5 insertions, 5 deletions
diff --git a/src/hash/md5/md5.cpp b/src/hash/md5/md5.cpp
index b1745b944..69ab89e63 100644
--- a/src/hash/md5/md5.cpp
+++ b/src/hash/md5/md5.cpp
@@ -58,11 +58,11 @@ inline void II(u32bit& A, u32bit B, u32bit C, u32bit D, u32bit msg,
 /*
 * MD5 Compression Function
 */
-void MD5::compress_n(const byte input[], u32bit blocks)
+void MD5::compress_n(const byte input[], size_t blocks)
    {
    u32bit A = digest[0], B = digest[1], C = digest[2], D = digest[3];
 
-   for(u32bit i = 0; i != blocks; ++i)
+   for(size_t i = 0; i != blocks; ++i)
       {
       load_le(&M[0], input, M.size());
 
@@ -116,8 +116,8 @@ void MD5::compress_n(const byte input[], u32bit blocks)
 */
 void MD5::copy_out(byte output[])
    {
-   for(u32bit j = 0; j != OUTPUT_LENGTH; j += 4)
-      store_le(digest[j/4], output + j);
+   for(size_t i = 0; i != OUTPUT_LENGTH; i += 4)
+      store_le(digest[i/4], output + i);
    }
 
 /*
diff --git a/src/hash/md5/md5.h b/src/hash/md5/md5.h
index 732ec026d..f79a3ec65 100644
--- a/src/hash/md5/md5.h
+++ b/src/hash/md5/md5.h
@@ -25,7 +25,7 @@ class BOTAN_DLL MD5 : public MDx_HashFunction
       MD5() : MDx_HashFunction(16, 64, false, true), M(16), digest(4)
          { clear(); }
    protected:
-      void compress_n(const byte[], u32bit blocks);
+      void compress_n(const byte[], size_t blocks);
       void copy_out(byte[]);
 
       SecureVector<u32bit> M, digest;