Si Thu Win sithuwin93

## aes.go
package main

import (
	"crypto/aes"
	"crypto/cipher"
	"crypto/rand"
	"crypto/sha256"
	"encoding/base64"
	"fmt"
	"io"

## Setup MongoDB on localhost as Replica Set
Add the `replication` section to the mongod.conf file:

```
$cat /usr/local/etc/mongod.conf
systemLog:
  destination: file
  path: /usr/local/var/log/mongodb/mongo.log
  logAppend: true
storage:
  engine: mmapv1
	package main

	import (
	"crypto/aes"
	"crypto/cipher"
	"crypto/rand"
	"crypto/sha256"
	"encoding/base64"
	"fmt"
	"io"
	Add the `replication` section to the mongod.conf file:

	```
	$cat /usr/local/etc/mongod.conf
	systemLog:
	destination: file
	path: /usr/local/var/log/mongodb/mongo.log
	logAppend: true
	storage:
	engine: mmapv1