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专利名称：Parallel and hierarchical password
protection on specific document sections
发明人：Anand Sinha,Vinay Sheel申请号：US156546申请日：20170829公开号：US10032035B2公开日：20180724
专利附图：
摘要：The present disclosure involves systems and computer implemented methodsfor protecting portions of electronic documents. An example method includes receiving arequest for access to an electronic file having sections, at least one section encrypted
using a first key based on a first password. A second key is generated in response toreceiving a second password, wherein the second key is generated based on the secondpassword. The second key is compared to the first key. If the second key is identical tothe first key, the least one section of the electronic file encrypted using the first key isdecrypted using the second key. The electronic file is then presented such that thesection(s) previously encrypted using the first cryptographic key is made visible. If thesecond key is not identical to the first, the electronic file is presented with the encryptedsection(s) obscured.
申请人：SAP SE
地址：Walldorf DE
国籍：DE
代理机构：Fish & Richardson P.C.
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