Last change
on this file since 30 was
2,
checked in by hhi, 13 years ago
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inital import
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-
Property svn:eol-style set to
native
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File size:
962 bytes
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1 | |
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2 | #pragma once |
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3 | #include "libmd5.h" |
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4 | |
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5 | class MD5 { |
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6 | public: |
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7 | /** |
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8 | * initialize digest state |
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9 | */ |
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10 | MD5() |
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11 | { |
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12 | MD5Init(&m_state); |
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13 | } |
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14 | |
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15 | /** |
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16 | * compute digest over @buf of length @len. |
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17 | * multiple calls may extend the digest over more data. |
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18 | */ |
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19 | void update(unsigned char *buf, unsigned len) |
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20 | { |
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21 | MD5Update(&m_state, buf, len); |
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22 | } |
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23 | |
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24 | /** |
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25 | * flush any outstanding MD5 data, write the digest into @digest. |
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26 | */ |
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27 | void finalize(unsigned char digest[16]) |
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28 | { |
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29 | MD5Final(digest, &m_state); |
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30 | } |
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31 | |
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32 | private: |
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33 | context_md5_t m_state; |
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34 | }; |
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35 | |
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36 | /** |
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37 | * Produce an ascii(hex) representation of the 128bit @digest. |
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38 | * |
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39 | * Returns: a statically allocated null-terminated string. DO NOT FREE. |
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40 | */ |
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41 | inline const char* |
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42 | digestToString(unsigned char digest[16]) |
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43 | { |
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44 | const char* hex = "0123456789abcdef"; |
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45 | static char string[33]; |
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46 | for (int i = 0; i < 16; i++) |
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47 | { |
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48 | string[i*2+0] = hex[digest[i] >> 4]; |
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49 | string[i*2+1] = hex[digest[i] & 0xf]; |
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50 | } |
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51 | return string; |
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52 | } |
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53 | |
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