Convert crypto libraries to use Uint32Lists.

pkg/crypto/lib/src/md5.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of crypto;
 
 /**
  * MD5 hash function implementation.
  *
  * WARNING: MD5 has known collisions and should only be used when
@@ skipping 26 matching lines @@
     0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391 ];
 
   static const _r = const [
     7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 5,  9, 14,
     20, 5,  9, 14, 20, 5,  9, 14, 20, 5,  9, 14, 20, 4, 11, 16, 23, 4, 11,
     16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 6, 10, 15, 21, 6, 10, 15, 21, 6,
     10, 15, 21, 6, 10, 15, 21 ];
 
   // Compute one iteration of the MD5 algorithm with a chunk of
   // 16 32-bit pieces.
-  void _updateHash(List<int> m) {
+  void _updateHash(Uint32List m) {
     assert(m.length == 16);
 
     var a = _h[0];
     var b = _h[1];
     var c = _h[2];
     var d = _h[3];
 
     var t0;
     var t1;
 
@@ skipping 20 matching lines @@
                             _r[i]));
       a = temp;
     }
 
     _h[0] = _add32(a, _h[0]);
     _h[1] = _add32(b, _h[1]);
     _h[2] = _add32(c, _h[2]);
     _h[3] = _add32(d, _h[3]);
   }
 }