Add 39 secure document facade examples

[agent-aspose-pdf-examples]

facades-secure-documents

39 code example(s) for the facades-secure-documents category.
Target: Aspose.PDF for .NET 26.8.0

Examples

#	Example	Difficulty
1	Load PDF and Verify Page Count Using PdfFileInfo Facade	beginner
2	Check PDF Encryption and Apply or Remove Protection	intermediate
3	Decrypt PDF Using Owner Password	beginner
4	Encrypt PDF with 256‑bit AES using Aspose.Pdf	beginner
5	Encrypt PDF with RC4‑40 and Password	beginner
6	Encrypt PDF with AES‑256 and Custom Privileges	intermediate
7	Change User Password of Encrypted PDF	beginner
8	Update Owner Password of a Protected PDF	beginner
9	Change User and Owner Passwords in PDF	beginner
10	Set PDF Privileges to Allow Printing Only	beginner
11	Set PDF Privileges: Allow Form Filling, Disable Assembly	beginner
12	Disable Copying While Enabling Printing for PDF	beginner
13	Remove Extended Usage Rights from Signed PDF	beginner
14	Check PDF for Extended Usage Rights	beginner
15	Remove Usage Rights and Verify Removal from PDF	beginner
16	Encrypt PDF with Password and Capture Exceptions	intermediate
17	Modify PDF Privilege with Exception Propagation	beginner
18	Encrypt PDF and Save to MemoryStream	intermediate
19	Encrypt PDF from Byte Array using Aspose.Pdf	intermediate
20	Encrypt PDF with User Password Only	beginner
21	Apply Password Protection to PDF without Loading Document	beginner
22	Retrieve PDF Encryption Algorithm with Aspose.Pdf Facades	beginner
23	Validate PDF Encryption and Decrypt with Aspose.Pdf	intermediate
24	Batch Encrypt PDF Files with User and Owner Passwords	beginner
25	Batch Decrypt PDFs Using Owner Passwords	intermediate
26	Batch Update PDF User Passwords	beginner
27	Update PDF Owner Password While Preserving User Password	intermediate
28	Conditional PDF Encryption Based on File Name	intermediate
29	Report PDF Encryption Algorithms Using Aspose.Pdf Facade	intermediate
30	Encrypt PDF with RC4‑128 and Enable Print/Edit Privileges	intermediate
31	Conditional Decrypt and Modify PDF with Aspose.Pdf	intermediate
32	Encrypt and Decrypt PDF with Round‑Trip Verification	intermediate
33	Encrypt PDFs with Performance Timing	intermediate
34	Encrypt PDF with AES‑256 and Upload to Cloud Storage	intermediate
35	Decrypt PDF Using Owner Password from Azure Key Vault	intermediate
36	Change User and Owner Passwords for PDFs from CSV	intermediate
37	Encrypt PDF Stream with RC4‑40 using Aspose.Pdf	beginner
38	Generate PDF Encryption Summary with Privileges	intermediate
39	Unit Test for PDF Decryption Failure with Incorrect Owner Password	intermediate

Key APIs Used

Aspose.Pdf.Algorithm, Aspose.Pdf.Color, Aspose.Pdf.CryptoAlgorithm, Aspose.Pdf.Document, Aspose.Pdf.Document.CryptoAlgorithm, Aspose.Pdf.Document.Encrypt, Aspose.Pdf.Document.Pages, Aspose.Pdf.Document.Save, Aspose.Pdf.DocumentPrivilege, Aspose.Pdf.Facades.Algorithm, Aspose.Pdf.Facades.DocumentPrivilege, Aspose.Pdf.Facades.DocumentPrivilege.AllowAll, Aspose.Pdf.Facades.DocumentPrivilege.AllowAssembly, Aspose.Pdf.Facades.DocumentPrivilege.AllowFillIn, Aspose.Pdf.Facades.DocumentPrivilege.CryptoAlgorithm, Aspose.Pdf.Facades.KeySize, Aspose.Pdf.Facades.PdfFileInfo, Aspose.Pdf.Facades.PdfFileInfo.Document, Aspose.Pdf.Facades.PdfFileInfo.GetDocumentPrivilege, Aspose.Pdf.Facades.PdfFileInfo.IsEncrypted, Aspose.Pdf.Facades.PdfFileSecurity, Aspose.Pdf.Facades.PdfFileSecurity..ctor, Aspose.Pdf.Facades.PdfFileSecurity.AllowExceptions, Aspose.Pdf.Facades.PdfFileSecurity.BindPdf, Aspose.Pdf.Facades.PdfFileSecurity.ChangePassword, Aspose.Pdf.Facades.PdfFileSecurity.Close, Aspose.Pdf.Facades.PdfFileSecurity.DecryptFile, Aspose.Pdf.Facades.PdfFileSecurity.Dispose, Aspose.Pdf.Facades.PdfFileSecurity.EncryptFile, Aspose.Pdf.Facades.PdfFileSecurity.Save
(+30 more)

Tags

AES-256 Aspose.Pdf C# aes-256 aspose aspose-pdf aspose.pdf assembly azure-key-vault batch batch processing batch-processing byte-array c# cloud upload conditional-algorithm configuration copy-protection csharp csv

Difficulty Distribution

• beginner: 20 example(s)
• intermediate: 19 example(s)

Pipeline Stages

• Baseline (1st try): 26
• LLM Fix: 8
• Regen with KB: 5

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