kimjj81

protocol UIntToBytesConvertable {
    var toBytes: [UInt8] { get }
}

extension UIntToBytesConvertable {
    func toByteArr<T: BinaryInteger>(endian: T, count: Int) -> [UInt8] {
        var _endian = endian
        let bytePtr = withUnsafePointer(to: &_endian) {
            $0.withMemoryRebound(to: UInt8.self, capacity: count) {
                UnsafeBufferPointer(start: $0, count: count)

kimjj81

from django.core.paginator import Paginator

class SimpleCountPaginator(Paginator):
    def _get_count(self):
        try:
            first_id = self.object_list.first().id
            last_id = self.object_list.last().id
            if (first_id is None) or (last_id is None):
                return 0
            max_id = max(last_id, first_id)

kimjj81

Tested on NCA-1510B Lanner Electronics Inc.

Requirements

• Ubuntu machine with network connection for making bootable USB.
• An 8GiB USB.

Steps

1. Download latest ubuntu server distro image. Recommend ubuntu-server 18.04

http://cdimage.ubuntu.com/releases/18.04.1/release/?_ga=2.12074420.164276020.1537186949-1883798353.1537186949

kimjj81

public static String makePasswordHash(String text) {
        byte[] salt = "yoursalt".getBytes(Charsets.UTF_8);

        try {

        char[] chars = text.toCharArray();
        final int iterations = 10;

        // Generate a 256-bit key
        final int outputKeyLength = 256;

kimjj81

#import <CommonCrypto/CommonCrypto.h>

+ (NSString*)onewayHash:(NSString *)text {
    NSMutableData *key = [NSMutableData dataWithLength:kCCKeySizeAES256];
    
    NSString *password = text;
    NSString* saltText = @"salt";
    NSData* salt = [saltText dataUsingEncoding:NSUTF8StringEncoding];
    
    int result = CCKeyDerivationPBKDF(kCCPBKDF2,         // algorithm

kimjj81

package com.zuhlke.lsapi;

import org.bouncycastle.crypto.PBEParametersGenerator;
import org.bouncycastle.crypto.digests.SHA3Digest;
import org.bouncycastle.crypto.generators.PKCS5S2ParametersGenerator;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.prng.DigestRandomGenerator;

import java.util.Base64;

kimjj81

void CGImageWriteToFile(CGImageRef image, NSString *path) {  
    CFURLRef url = (__bridge CFURLRef) [NSURL fileURLWithPath:path];
    CGImageDestinationRef destination = CGImageDestinationCreateWithURL(url, kUTTypePNG, 1, NULL);
    CGImageDestinationAddImage(destination, image, nil);

    if (!CGImageDestinationFinalize(destination)) {
        NSLog(@"Failed to write image to %@", path);
    }
}