“Padding is invalid and cannot be removed” using AesManaged

Question

I\'m trying to get simple encryption/decryption working with AesManaged, but I keep getting an exception when trying to close the decryption stream. The string here gets en

Answer 1

byte[] rawData = new byte[rawPlaintext.Length];

You need to read the length of the buffer, that probably includes the necessary padding (IIRC, been a few years).