Cannot decrypt from AES encrypted code about webcrypto.swift

[enx1998]

Thanks for the quick reply,
I found the problem: I was using an old version of the library (WebCrypto.js) that had a problem and won't decrypt the code; after using the new version everything is working correctly.

Thanks again for the help,
bye Vincenzo

[etienne-martin]

Hi Vincenzo,

I managed to get it working. You were almost there!

The problem was with the way you converted your encrypted string to Data.

Your encrypted string is base64-encoded, you need to decode it before converting it to Data.

Here's a helper function that does both the decoding and conversion to the Data format:

let input = Data(base64Encoded: base64String, options: .ignoreUnknownCharacters)!

And here's a working example:

let base64String = "6yVJAXlqQGli1wJWlcQoFeQVD/BQR3TDQNJZe1/gQQ5tCN6pRe0gOlAkv1CWTA3ZjXdntMooxI7bm9rphV+DyqGyXRo34Ou38v+GqnSfY5N3m30GH3ieUa20RxdX9cUmtQCxJaDC47C79ybWkFRuXWHmqONVFxXVe4ZqyZBDy+a2zLxLufHEB9mJkH5DEID1d6bcRteONAb7KYbFkJLGbQ=="
let input = Data(base64Encoded: base64String, options: .ignoreUnknownCharacters)!
        
let plainPassword = "pd$83j@Fs3s13bZP"
let plainIV = "aNdh284629324F32"
        
let key = crypto.hexEncodedStringFromData(Data(plainPassword.utf8))
let iv = crypto.hexEncodedStringFromData(Data(plainIV.utf8))
        
crypto.decrypt(data: input, key: key, iv: iv, callback: {(decrypted: Data?, error: Error?) in
    print(String(data: decrypted!, encoding: .utf8)!)
})

Thanks for the concise code samples,

Hope this helps!

[etienne-martin]

Also, take a look at the Data types conversion section of the README for more information.