iText PDF Encryption 取得連結 Facebook X Pinterest 以電子郵件傳送 其他應用程式 2月 12, 2010 Starting from iText 2.0.0 you need the BouncyCastle.jars as soon as you use encryption. http://www.bouncycastle.org/latest_releases.html http://sourceforge.net/projects/itext/files/extrajars/ 閱讀完整內容