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diff --git a/util/include/axutil_md5.h b/util/include/axutil_md5.h
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+#ifndef AXUTIL_MD5_H
+#define AXUTIL_MD5_H
+
+/**
+ * @file axutil_md5.h
+ * @brief MD5 Implementation for Axis2 based on rfc1321.
+ */
+
+#include <axutil_utils_defines.h>
+#include <axutil_env.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    /** 
+     * @defgroup axis2_util utilities
+     * @ingroup axis2
+     * @{
+     * @}
+     */
+
+    /**
+     * @defgroup axutil_md5 md5
+     * @ingroup axis2_util
+     * @{
+     */
+
+    /** The MD5 digest size */
+    #define AXIS2_MD5_DIGESTSIZE 16
+
+    typedef struct axutil_md5_ctx
+    {
+        /** state (ABCD) */
+        unsigned int state[4];
+        /** number of bits, modulo 2^64 (lsb first) */
+        unsigned int count[2];
+        /** input buffer */
+        unsigned char buffer[64];
+    }
+    axutil_md5_ctx_t;
+
+    /**
+     * Creates md5_ctx struct, which is used for the MD5 message-digest
+     * operation. Initialization of the struct is done during the creation
+     * process.
+     * @param env, pointer to the env struct.
+     * @return pointer to md5_ctx struct created.
+     */ 
+    AXIS2_EXTERN axutil_md5_ctx_t *AXIS2_CALL
+    axutil_md5_ctx_create(
+        const axutil_env_t * env);
+
+    /** 
+     * Frees the md5_ctx struct
+     * @param md5_ctx, pointer to struct to free.
+     * @param env, pointer to the env struct.
+     */
+    AXIS2_EXTERN void AXIS2_CALL
+    axutil_md5_ctx_free(
+        axutil_md5_ctx_t * md5_ctx,
+        const axutil_env_t * env);
+
+    /**
+     * MD5 block update operation. Continue an MD5 message-digest operation, 
+     * processing another message block, and updating the context.
+     * @param context The MD5 content to update.
+     * @param env, pointer to the env struct.
+     * @param input_str next message block to update
+     * @param inputLen The length of the next message block
+     */
+    AXIS2_EXTERN axis2_status_t AXIS2_CALL
+    axutil_md5_update(
+        axutil_md5_ctx_t *context,
+        const axutil_env_t * env,
+        const void *input_str,
+        size_t inputLen);
+
+    /**
+     * MD5 finalization. Ends an MD5 message-digest operation, writing the 
+     * message digest and zeroing the context.
+     * @param digest The final MD5 digest.
+     * @param env, pointer to the env struct.
+     * @param context The MD5 content we are finalizing.
+     */
+    AXIS2_EXTERN axis2_status_t AXIS2_CALL
+    axutil_md5_final(
+        axutil_md5_ctx_t *context,
+        const axutil_env_t * env,
+        unsigned char digest[AXIS2_MD5_DIGESTSIZE]);
+
+    /**
+     * MD5 in one step.
+     * @param env, pointer to the env struct.
+     * @param digest The final MD5 digest.
+     * @param input_str The message block to use.
+     * @param inputLen The length of the message block.
+     */
+    AXIS2_EXTERN axis2_status_t AXIS2_CALL
+    axutil_md5(
+         const axutil_env_t * env, 
+         unsigned char digest[AXIS2_MD5_DIGESTSIZE],
+         const void *input_str,
+         size_t inputLen);
+
+    /** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* AXIS2_MD5_H */