ios - How can i convert hex value to NSString? -

i have following code converting hex value corresponding nsstring not working me

nsmutablestring * newstring = [[nsmutablestring alloc] init]; nsstring *string=@"5c 57 c7 25 d9 57 b9 4c"; nsscanner *scanner = [[nsscanner alloc] initwithstring:string]; unsigned value; while([scanner scanhexint:&value]) {     [newstring appendformat:@"%c",(char)(value & 0xff)]; } string = [newstring copy]; nslog(@"%@",string); 

please me

once try this,

- (nsstring *) stringfromhex:(nsstring *)str  {        nsmutabledata *stringdata = [[nsmutabledata alloc] init] ;     unsigned char whole_byte;     char byte_chars[3] = {'\0','\0','\0'};     int i;     (i=0; < [str length] / 2; i++) {         byte_chars[0] = [str characteratindex:i*2];         byte_chars[1] = [str characteratindex:i*2+1];         whole_byte = strtol(byte_chars, null, 16);         [stringdata appendbytes:&whole_byte length:1];      }      return [[nsstring alloc] initwithdata:stringdata encoding:nsasciistringencoding] ; } 

call ,

nsstring* string = [self stringfromhex:@"5c 57 c7 25 d9 57 b9 4c"]; nslog(@"%@",string);