{"id":11179,"date":"2020-03-13T12:24:44","date_gmt":"2020-03-13T04:24:44","guid":{"rendered":"https:\/\/www.kaspersky.com.cn\/blog\/?p=11179"},"modified":"2020-03-13T12:24:44","modified_gmt":"2020-03-13T04:24:44","slug":"36c3-pdf-encryption","status":"publish","type":"post","link":"https:\/\/www.kaspersky.com.cn\/blog\/36c3-pdf-encryption\/11179\/","title":{"rendered":"\u52a0\u5bc6PDF\u6587\u4ef6\u7684\u5185\u5bb9\u771f\u7684\u5b89\u5168\u5417\uff1f"},"content":{"rendered":"<p>\u6839\u636e\u6587\u4ef6\u683c\u5f0f\u7684\u89c4\u8303\uff0cPDF\u80fd\u591f\u91c7\u7528AES\uff08\u9ad8\u7ea7\u52a0\u5bc6\u6807\u51c6\uff09-CBC\uff08\u5bc6\u7801\u5206\u7ec4\u94fe\u63a5\uff09\u52a0\u5bc6\u3002\u56e0\u6b64\u7406\u8bba\u4e0a\u6765\u8bf4\u53ea\u6709\u62e5\u6709\u5bc6\u7801\u7684\u4eba\u624d\u80fd\u67e5\u770b\u7ecf\u8fc7\u52a0\u5bc6\u7684PDF\u6587\u4ef6\u3002\u4e3a\u4e86\u8fdb\u4e00\u6b65\u7814\u7a76<a href=\"https:\/\/www.kaspersky.com\/blog\/36c3-pdf-digital-signature\/\" target=\"_blank\" 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