ios - AES 加密到奇怪的字符

Question

我在 swift 3 中使用 AES 加密，我使用这个 CryptoSwift图书馆。
这是我加密字符串的代码，结果是可读字符串:/QOEtrf3o8buv2wA9FeAyg==。

我怎样才能得到像这样的奇怪字符(不可读):Λ^��h��y^ғ？

var input = "CryptoSwift"
var key = "passwordpassword"
var iv = "drowssapdrowssap"

func aesEncrypt(input: String, key: String, iv: String) throws -> String {
    let data = input.utf8
    let encrypted = try! AES(key: key, iv: iv, blockMode: .CBC, padding: PKCS7()).encrypt([UInt8](data))
    let encryptedData = Data(encrypted)
    return encryptedData.base64EncodedString()
}

let encrypted = try! aesEncrypt(input: input, key: key, iv: iv)
print("encrypted: \(encrypted)")

  ---------

    Result: /QOEtrf3o8buv2wA9FeAyg==

    I want the result something like this: Ί�^��h��y^ғ, the strange characters.

Answer 1

您不应将其转换为 Base64。

        let encrypted = try! AES(key: key, iv: iv, blockMode: .CBC, padding: PKCS7()).encrypt([UInt8](data))
        let encryptedData = Data(bytes: UnsafePointer<UInt8>(encrypted), count: Int(encrypted.count))
        // let encryptedString = String(data: encryptedData,encoding: String.Encoding.utf8)
        // use the encryptedData to write it into a file.