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Create a random hash of length(x)
// HashHash: make some random numbers, randomly.
import UIKit
func newString(length: Int) -> String {
let allowed = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890"
// uncomment this if you want all numbers
// let allowed = "1234567890"
let allowedCount = UInt32(allowed.characters.count)
var randomString = ""
for _ in (0..<length) {
let randomNumber = Int(arc4random_uniform(allowedCount))
let newCharacter = allowed[allowed.startIndex.advancedBy(randomNumber)]
randomString += String(newCharacter)
return randomString
// uncommment for two-factor SMS auth style of string (###-###)
// let twoFactorAuth = "\(newString(3))-\(newString(3))"
let hash = newString(6)
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