Last change
on this file since 15 was
2,
checked in by hhi, 13 years ago
|
inital import
|
-
Property svn:eol-style set to
native
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File size:
962 bytes
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Rev | Line | |
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[2] | 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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