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			hpavkey.c
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/*====================================================================*
 *
 *   Copyright (c) 2013 Qualcomm Atheros, Inc.
 *
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or 
 *   without modification, are permitted (subject to the limitations 
 *   in the disclaimer below) provided that the following conditions 
 *   are met:
 *
 *   * Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above 
 *     copyright notice, this list of conditions and the following 
 *     disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *
 *   * Neither the name of Qualcomm Atheros nor the names of 
 *     its contributors may be used to endorse or promote products 
 *     derived from this software without specific prior written 
 *     permission.
 *
 *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE 
 *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE 
 *   COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR 
 *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 
 *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
 *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
 *
 *--------------------------------------------------------------------*/

#define _GETOPT_H

/*====================================================================*
 *   system header files;
 *--------------------------------------------------------------------*/

#include &lt;stdio.h&gt;
#include &lt;ctype.h&gt;
#include &lt;string.h&gt;
#include &lt;unistd.h&gt;

/*====================================================================*
 *   custom header files;
 *--------------------------------------------------------------------*/

#include &quot;../tools/getoptv.h&quot;
#include &quot;../tools/putoptv.h&quot;
#include &quot;../tools/version.h&quot;
#include &quot;../tools/number.h&quot;
#include &quot;../tools/types.h&quot;
#include &quot;../tools/flags.h&quot;
#include &quot;../tools/error.h&quot;
#include &quot;../key/HPAVKey.h&quot;
#include &quot;../key/SHA256.h&quot;

/*====================================================================*
 *   custom source files;
 *--------------------------------------------------------------------*/

#ifndef MAKEFILE
#include &quot;../tools/getoptv.c&quot;
#include &quot;../tools/putoptv.c&quot;
#include &quot;../tools/version.c&quot;
#include &quot;../tools/uintspec.c&quot;
#include &quot;../tools/todigit.c&quot;
#include &quot;../tools/hexout.c&quot;
#include &quot;../tools/error.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../key/HPAVKeyDAK.c&quot;
#include &quot;../key/HPAVKeyNMK.c&quot;
#include &quot;../key/HPAVKeyNID.c&quot;
#include &quot;../key/HPAVKeySHA.c&quot;
#include &quot;../key/HPAVKeyOut.c&quot;
#include &quot;../key/SHA256.c&quot;
#endif

/*====================================================================*
 *
 *   int main (int argc, const char * argv []);
 *
 *
 *
 *--------------------------------------------------------------------*/

#define DEFAULT_LEVEL 0

int main (int argc, const char * argv [])

{
	static const char * optv [] =
	{
		&quot;DeL:MNqv&quot;,
		&quot;phrase [phrase] [...]&quot;,
		&quot;HomePlug AV key generator&quot;,
		&quot;D\tconvert password to Device Access Key&quot;,
		&quot;e\tenforce HomePlug AV password rules&quot;,
		&quot;M\tconvert password to Network Membership Key&quot;,
		&quot;N\tconvert password to Network Identifier&quot;,
		&quot;L n\tSecurity Level is (n) [&quot; LITERAL (DEFAULT_LEVEL) &quot;]&quot;,
		&quot;q\tquiet mode&quot;,
		&quot;v\tverbose mode&quot;,
		(const char *) (0)
	};
	byte digest [SHA256_DIGEST_LENGTH];
	const char * phrase;
	const char * sp;
	signed type = 0;
	signed level = DEFAULT_LEVEL;
	flag_t flags = (flag_t)(0);
	signed c;
	optind = 1;
	while ((c = getoptv (argc, argv, optv)) != -1)
	{
		switch ((char) (c))
		{
		case 'D':
			type = HPAVKEY_DAK;
			break;
		case 'M':
			type = HPAVKEY_NMK;
			break;
		case 'N':
			type = HPAVKEY_NID;
			break;
		case 'L':
			level = (signed)(uintspec (optarg, 0, 1));
			break;
		case 'q':
			_setbits (flags, HPAVKEY_SILENCE);
			break;
		case 'v':
			_setbits (flags, HPAVKEY_VERBOSE);
			break;
		case 'e':
			_setbits (flags, HPAVKEY_ENFORCE);
			break;
		default:
			break;
		}
	}
	argc -= optind;
	argv += optind;
	while ((argc--) &amp;&amp; (* argv))
	{
		sp = phrase = * argv++;
		while (isprint (*sp))
		{
			sp++;
		}
		if (_anyset (flags, HPAVKEY_ENFORCE))
		{
			if (*sp)
			{
				error (0, ENOTSUP, &quot;Phrase \&quot;%s\&quot; contains illegal characters&quot;, phrase);
				continue;
			}
			if ((sp - phrase) &lt; HPAVKEY_PHRASE_MIN)
			{
				error (0, ENOTSUP, &quot;Phrase \&quot;%s\&quot; less than %d characters&quot;, phrase, HPAVKEY_PHRASE_MIN);
				continue;
			}
			if ((sp - phrase) &gt; HPAVKEY_PHRASE_MAX)
			{
				error (0, ENOTSUP, &quot;Phrase \&quot;%s\&quot; more than %d characters&quot;, phrase, HPAVKEY_PHRASE_MAX);
				continue;
			}
		}
		if (type == HPAVKEY_DAK)
		{
			HPAVKeyDAK (digest, phrase);
			HPAVKeyOut (digest, HPAVKEY_DAK_LEN, phrase, flags);
			continue;
		}
		if (type == HPAVKEY_NMK)
		{
			HPAVKeyNMK (digest, phrase);
			HPAVKeyOut (digest, HPAVKEY_NMK_LEN, phrase, flags);
			continue;
		}
		if (type == HPAVKEY_NID)
		{
			HPAVKeyNMK (digest, phrase);
			HPAVKeyNID (digest, digest, level);
			HPAVKeyOut (digest, HPAVKEY_NID_LEN, phrase, flags);
			continue;
		}
		HPAVKeySHA (digest, phrase);
		HPAVKeyOut (digest, HPAVKEY_SHA_LEN, phrase, flags);
	}
	return (0);
}


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