Throw ZipException instead of generic Exception on password error

Author: bastianeicher

ICSharpCode.SharpZipLib/Zip/ZipFile.cs

@@ -3196,7 +3196,7 @@ Stream CreateAndInitDecryptionStream(Stream baseStream, ZipEntry entry)
 					var decryptor = new ZipAESTransform(rawPassword_, saltBytes, blockSize, false);
 					byte[] pwdVerifyCalc = decryptor.PwdVerifier;
 					if (pwdVerifyCalc[0] != pwdVerifyRead[0] || pwdVerifyCalc[1] != pwdVerifyRead[1])
-						throw new Exception("Invalid password for AES");
+						throw new ZipException("Invalid password for AES");
 					result = new ZipAESStream(baseStream, decryptor, CryptoStreamMode.Read);
 				} else {
 					throw new ZipException("Decryption method not supported");