wuriyanto48

// luhn's algorithm
// https://en.wikipedia.org/wiki/Luhn_algorithm
package main

import (
	"errors"
	"fmt"
	"strconv"
	"strings"
)

wuriyanto48

package main

import (
	"errors"
	"fmt"
	"math"
)

// K K-factor
const K = 30

wuriyanto48

package main

import (
	"fmt"
)

type Queue[T any] struct {
	elements []T
	size     uint
	rear     uint

wuriyanto48

Your OpenSSH Private Key looks like this

-----BEGIN OPENSSH PRIVATE KEY-----
b34ahC
-----END OPENSSH PRIVATE KEY-----

First, backup your OpenSSH Private Key

$ cp server_ssh.key server_ssh.key.backup

wuriyanto48

package main

import (
	"fmt"
	"math"
)

// α(radians) = α(degrees) × π / 180°
func DegToRad(deg float64) float64 {
	return deg * (math.Pi / 180)

wuriyanto48

package main

import (
	"fmt"
	"unsafe"
)

type sample struct {
	a int
	b string

wuriyanto48

What is a GPG key?

The GPG key (means: Gnu Privacy Guard, aka GnuPG) is a free software which provides cryptographic privacy and authentication.

It allow users to communicate securely using public-key cryptography.

How Does the GPG key work on Repository?

All packages are signed with a pair of keys consisting of a private key and a public key, by the package maintainer.

A user’s private key is kept secret and the public key may be given to anyone the user wants to communicate.

wuriyanto48

let arr = [];

for (let i = 0; i < 1000000; i++) {
  arr.push(i);
}

let arr2 = [];

// Something else here that changes arr2:
arr2.push(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);

wuriyanto48

generate private key:

openssl genrsa -out private_key.pem 4096

generate public key:

openssl rsa -pubout -in private_key.pem -out public_key.pem

wuriyanto48

package main

import (
	"fmt"
	"time"
)

func main() {
	tick := time.Tick(100 * time.Millisecond)