文件名称：iText 数字签名
文件大小：5.28MB
文件格式：PDF
更新时间：2021-04-01 08:34:25
iText 签名
Digital Signatures for PDF documents A White Paper by Bruno Lowagie (iText Software) Introduction The main rationale for PDF used to be viewing and printing documents in a reliable way. The technology was conceived with the goal “to provide a collection of utilities, applications, and system software so that a corporation can effectively capture documents from any application, send electronic versions of these documents anywhere, and view and print these documents on any machines.” (Warnock, 1991)