Audiovox P965 Datový list stáhnout pdf (Strana 77)

API in C using winsock

/********************************************************************

* MD5 helper function to calculate and return hex representation

* of an MD5 digest stored in binary.

********************************************************************/

char *md5DigestToHexString(md5_byte_t *binaryDigest)

{

int di;

char *szReturn;

// allocate 32 + 1 bytes for our return string

szReturn = malloc((32 + 1) * sizeof *szReturn);

for (di = 0; di < 16; ++di)

{

sprintf(szReturn + di * 2, "%02x", binaryDigest[di]);

}

return szReturn;

}

/********************************************************************

* Quick and dirty function to convert hex string to char...

* the toConvert string MUST BE 2 characters + null terminated.

********************************************************************/

char hexStringToChar(char *cToConvert)

{

char cConverted;

unsigned int iAccumulated=0;

char cString0[2] = {cToConvert[0], 0};

char cString1[2] = {cToConvert[1], 0};

// look @ first char in the 16^1 place

if (cToConvert[0] == 'f' || cToConvert[0] == 'F')

{

iAccumulated += 16*15;

}

else if (cToConvert[0] == 'e' || cToConvert[0] == 'E')

{

iAccumulated += 16*14;

}

else if (cToConvert[0] == 'd' || cToConvert[0] == 'D')

{

iAccumulated += 16*13;

}

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Audiovox P965 Datový list Strana 77