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          5. •電子印章是物理印章的電子化和網絡化,通過先進的數字技術模擬傳統物理印章,以數字簽名的方式進行身份認證。

            •具有安全、保密、防篡改的特性,在電子交易過程提供身份確認、簽名蓋章、合法授權和內容保護等功能,對傳輸的信息進行有效的保護和安全的傳遞。



            博彩网址
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