Make a public key / private key box
Example
```
 const key = generateKey()
 const obj = { "hello": "world" }
 const encrypted = crypto.nacl.secretBox.encrypt(obj, key)
 const decrypted = crypto.nacl.secretBox.decrypt(encrypted, key)
 console.log(decrypted, obj) // should be shallow equal
```Methods
# static decrypt(msg, key) → {object}
Parameters:
| Name | Type | Description | 
|---|---|---|
| msg | string | |
| key | string | 
- Could not decrypt message
        
error
    
    
        
        
object
    
    
# static encrypt(json, key) → {string}
Parameters:
| Name | Type | Description | 
|---|---|---|
| json | object | |
| key | string | 
            
Error
            
        
    
        
        
string