Slice checksum changes

1 files changed, 56 insertions, 0 deletions

diff --git a/cpp/src/IceUtil/MD5.cpp b/cpp/src/IceUtil/MD5.cpp
new file mode 100644
index 00000000000..3e4654bf35d
--- /dev/null
+++ b/cpp/src/IceUtil/MD5.cpp
@@ -0,0 +1,56 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2004 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <IceUtil/MD5.h>
+#include <IceUtil/MD5I.h>
+
+using namespace std;
+
+//
+// This class is a C++ wrapper around the C implementation contained in
+// MD5I.cpp, obtained from http://sourceforge.net/projects/libmd5-rfc/.
+//
+
+IceUtil::MD5::MD5()
+{
+    _state = new md5_state_s;
+    md5_init(_state);
+}
+
+IceUtil::MD5::MD5(const unsigned char* data, int n)
+{
+    _state = new md5_state_s;
+    md5_init(_state);
+    update(data, n);
+    finish();
+}
+
+IceUtil::MD5::~MD5()
+{
+    delete _state;
+}
+
+void
+IceUtil::MD5::update(const unsigned char* data, int n)
+{
+    md5_append(_state, data, n);
+}
+
+void
+IceUtil::MD5::finish()
+{
+    md5_finish(_state, _digest);
+    md5_init(_state);
+}
+
+void
+IceUtil::MD5::getDigest(unsigned char* digest) const
+{
+    memcpy(digest, _digest, sizeof(unsigned char) * 16);
+}