Online constant value checking method based on pdf protection constant value file

• Main Authors: LIANG JUNHUA, WANG LIANG, LUO YIHUI, LI HAISHENG, XIA WU, QIN ZONGLYU, YANG XUEFEI, DING QIAN, ZHANG KEFENG, QIN XIANKUN, LU WENXING, RONG JUN, SHI WANLI, SHEN DIQIU
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention discloses an online constant value checking method based on a pdf protection constant value file, and the method comprises the steps: carrying out the constant value extraction, induction and arrangement of a pdf technical file in a target field, uploading data to a cloud end, and cons...