It is CypherGuard viewer of PDF to protect the PDF document by encryption technology.
A viewer for CypherGuard PDF (https://www.cyphertec.co.jp/services/cypherguard/products/) that protects PDF documents with cryptographic technology.
In addition to regular PDFs, encrypted PDF documents can also be licensed and viewed.
* CypherGuard PDF content files (.cpd files) cannot be seen if the distributor does not permit viewing on Android.
* This application does not support printing of files to protect the contents. Also, you cannot take screenshots.
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