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// --------------------------------------------------------------------------
//
// File
// Name: MD5Digest.cpp
// Purpose: Simple interface for creating MD5 digests
// Created: 8/12/03
//
// --------------------------------------------------------------------------
#include "Box.h"
#include "MD5Digest.h"
#include "MemLeakFindOn.h"
MD5Digest::MD5Digest()
{
MD5_Init(&md5);
for(unsigned int l = 0; l < sizeof(mDigest); ++l)
{
mDigest[l] = 0;
}
}
MD5Digest::~MD5Digest()
{
}
void MD5Digest::Add(const std::string &rString)
{
MD5_Update(&md5, rString.c_str(), rString.size());
}
void MD5Digest::Add(const void *pData, int Length)
{
MD5_Update(&md5, pData, Length);
}
void MD5Digest::Finish()
{
MD5_Final(mDigest, &md5);
}
std::string MD5Digest::DigestAsString()
{
std::string r;
static const char *hex = "0123456789abcdef";
for(unsigned int l = 0; l < sizeof(mDigest); ++l)
{
r += hex[(mDigest[l] & 0xf0) >> 4];
r += hex[(mDigest[l] & 0x0f)];
}
return r;
}
int MD5Digest::CopyDigestTo(uint8_t *to)
{
for(int l = 0; l < MD5_DIGEST_LENGTH; ++l)
{
to[l] = mDigest[l];
}
return MD5_DIGEST_LENGTH;
}
bool MD5Digest::DigestMatches(uint8_t *pCompareWith) const
{
for(int l = 0; l < MD5_DIGEST_LENGTH; ++l)
{
if(pCompareWith[l] != mDigest[l])
return false;
}
return true;
}
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