Instagram private key decoder

decodeHiddenInstagramAPIKey.swift

let encodedApiKey = [0x72, 0x30, 0x39, 0x04, 0x04, 0x88, 0x72, 0x88, 0x72, 0xEE, 0x04, 0x30, 0x04, 0xEF, 0xEB, 0xC2,
		     0xEB, 0xEE, 0xAA, 0x41, 0xEE, 0x30, 0x88, 0xC2, 0xC2, 0x2C, 0x04, 0x04, 0x88, 0xAA, 0x41, 0x30,
		     0x41, 0x72, 0x88, 0x5D, 0x04, 0x2C, 0xAA, 0x58, 0x30, 0x72, 0xEE, 0x39, 0x58, 0xEE, 0xC2, 0x5D,
		     0xAA, 0x04, 0xE2, 0xEE, 0x58, 0xE2, 0xEE, 0x5D, 0xAA, 0x2C, 0x41, 0x04, 0x88, 0xE2, 0xAA, 0xC2]

let map: [Int: String] = [
	0x04: "3",
	0x2c: "d",
	0x30: "b",
	0x39: "c",
	0x41: "9",
	0x58: "7",
	0x5d: "4",
	0x72: "2",
	0x88: "0",
	0xAA: "f",
	0xEF: "1",
	0xE2: "8",
	0xEB: "6",
	0xEE: "5",
	0xC2: "e"
]
var key = ""

for code in encodedApiKey {
	guard let decoded = map[code] else {
		fatalError("Couldn't find value for code: \(code)")
	}
	
	key += decoded
}

print("key: \(key)")

How can we use it ?