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337
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1 /*
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2 **********************************************************************
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3 ** md5.h -- Header file for implementation of MD5 **
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4 ** RSA Data Security, Inc. MD5 Message Digest Algorithm **
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5 ** Created: 2/17/90 RLR **
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6 ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version **
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7 ** Revised (for MD5): RLR 4/27/91 **
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8 ** -- G modified to have y&~z instead of y&z **
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9 ** -- FF, GG, HH modified to add in last register done **
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10 ** -- Access pattern: round 2 works mod 5, round 3 works mod 3 **
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11 ** -- distinct additive constant for each step **
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12 ** -- round 4 added, working mod 7 **
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13 **********************************************************************
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14 */
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15
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16 /*
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17 **********************************************************************
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18 ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. **
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19 ** **
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20 ** License to copy and use this software is granted provided that **
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21 ** it is identified as the "RSA Data Security, Inc. MD5 Message **
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22 ** Digest Algorithm" in all material mentioning or referencing this **
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23 ** software or this function. **
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24 ** **
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25 ** License is also granted to make and use derivative works **
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26 ** provided that such works are identified as "derived from the RSA **
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27 ** Data Security, Inc. MD5 Message Digest Algorithm" in all **
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28 ** material mentioning or referencing the derived work. **
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29 ** **
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30 ** RSA Data Security, Inc. makes no representations concerning **
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31 ** either the merchantability of this software or the suitability **
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32 ** of this software for any particular purpose. It is provided "as **
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33 ** is" without express or implied warranty of any kind. **
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34 ** **
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35 ** These notices must be retained in any copies of any part of this **
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36 ** documentation and/or software. **
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37 **********************************************************************
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38 */
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39
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40 /* typedef a 32 bit type */
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41 typedef unsigned long int UINT4;
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42
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43 /* Data structure for MD5 (Message Digest) computation */
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44 typedef struct {
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45 UINT4 i[2]; /* number of _bits_ handled mod 2^64 */
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46 UINT4 buf[4]; /* scratch buffer */
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47 unsigned char in[64]; /* input buffer */
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48 unsigned char digest[16]; /* actual digest after MD5Final call */
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49 } MD5_CTX;
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50
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51 void MD5Init (MD5_CTX *mdContext);
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52 void MD5Update (MD5_CTX *mdContext, unsigned char *inBuf, unsigned inLen);
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53 void MD5Final (MD5_CTX *mdContext);
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54
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55 /*
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56 **********************************************************************
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57 ** End of md5.h **
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58 ******************************* (cut) ********************************
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59 */
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60
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61
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