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+/**
+* @file md5_helper.c
+* @brief MD5 checksum generation.
+* @author Patrick Roth - roth@stettbacher.ch
+* @date 2010-04-30
+* @copyright 2010 Stettbacher Signal Processing AG
+*
+* @remarks
+*
+* <PRE>
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 2.1 of the License, or (at your option) any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+* </PRE>
+*
+*/
+
+#include <stdio.h>
+
+#include "md5.h"
+
+
+/**
+ * Generate the MD5 checksum.
+ *
+ * @param addr: A pointer to the start address.
+ * @param size: The size to compare.
+ * @param buf: Destination buffer; must provide room for 32+1 chars!
+ * @return A pointer to the first digit of the generated MD5 checksum. The
+ * checksum's length is always 16 bytes.
+ */
+void getMd5ChecksumString(void *addr, ssize_t size, char *buf)
+{
+ MD5_CTX md5;
+
+ MD5Init(&md5);
+ MD5Update(&md5, (unsigned char*)(addr), (unsigned int)size);
+ MD5Final(&md5);
+
+ for(int i = 0; i < 16; i++) {
+ sprintf(buf+i*2, "%02x", md5.digest[i]);
+ }
+ *(buf+32) = '\0';
+}