1 files changed, 58 insertions, 0 deletions
diff --git a/src/mongo/util/md5.hpp b/src/mongo/util/md5.hpp
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+++ b/src/mongo/util/md5.hpp
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+// md5.hpp
+
+/*    Copyright 2009 10gen Inc.
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+#pragma once
+
+#include "md5.h"
+
+namespace mongo {
+
+    typedef unsigned char md5digest[16];
+
+    inline void md5(const void *buf, int nbytes, md5digest digest) {
+        md5_state_t st;
+        md5_init(&st);
+        md5_append(&st, (const md5_byte_t *) buf, nbytes);
+        md5_finish(&st, digest);
+    }
+
+    inline void md5(const char *str, md5digest digest) {
+        md5(str, strlen(str), digest);
+    }
+    
+    inline std::string digestToString( md5digest digest ){
+        static const char * letters = "0123456789abcdef";
+        stringstream ss;
+        for ( int i=0; i<16; i++){
+            unsigned char c = digest[i];
+            ss << letters[ ( c >> 4 ) & 0xf ] << letters[ c & 0xf ];
+        }
+        return ss.str();
+    }
+
+    inline std::string md5simpledigest( const void* buf, int nbytes){
+        md5digest d;
+        md5( buf, nbytes , d );
+        return digestToString( d );
+    }
+
+    inline std::string md5simpledigest( string s ){
+        return md5simpledigest(s.data(), s.size());
+    }
+
+
+} // namespace mongo