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Convert hex string ( 32 bytes ) to hex (16 bytes )       Share
2010-01-18 |  RatheeshTR  | Viewed: 493  |    0

int stringtoint(u_char byte)
{
if(isdigit(byte))
{
return (byte - '0');
}
if(byte >  0x40)
{
return  (byte - 'A' + 10);
}
return (byte - '1' + 10);
}

u_char* strTohex(
char *src)
{
unsigned  
char *key = (u_char*) malloc(16 + 1);
int i;

memset(key, 0, 16);
for (i = 0; i < 16; i++){

key[i]  =  stringtoint(*src++) << 4;
key[i] |=  stringtoint(*src++);
}
return key;
}


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