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41 lines
957 B
C++
41 lines
957 B
C++
#ifndef MD5_HPP
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#define MD5_HPP
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#include <array>
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#include <algorithm>
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#include <string>
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struct MD5
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{
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MD5();
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void
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Update(const unsigned char* ptr, uint32_t len);
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void
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Final(uint8_t* digest);
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uint32_t i[2]; /* number of _bits_ handled mod 2^64 */
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uint32_t buf[4]; /* scratch buffer */
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unsigned char in[64]; /* input buffer */
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/// do md5(str) and return hex encoded digest
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static std::string
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SumHex(const std::string& str)
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{
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std::array< uint8_t, 16 > digest;
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auto dist = str.size();
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MD5 m;
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m.Update((const unsigned char*)str.c_str(), dist);
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m.Final(digest.data());
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std::string hex;
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std::for_each(digest.begin(), digest.end(),
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[&hex](const unsigned char& ch) {
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char tmpbuf[4] = {0};
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std::snprintf(tmpbuf, sizeof(tmpbuf), "%.2x", ch);
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hex += std::string(tmpbuf);
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});
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return hex;
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}
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};
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#endif
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