Generates Hexadecimal String from given instance of NSData. ex. "0A:1B:CC"

NSStringHexFormatFromNSData.m

-(NSString *) NSStringHexFormatFromData:(NSData *) data
{
    
    Byte *bytes = (Byte *)data.bytes;
    NSMutableString *str = [[NSMutableString alloc] init];
    for (int i =0; i<data.length; i++) {
        [str appendFormat:@"%02X",bytes[i]];
        
        if (i!= (data.length -1)) {
            [str appendString:@":"];
        }
    }

    return [NSString stringWithString:str];
}