Lock PDF via Python
Encrypt PDF files. Use Aspose.PDF for Python via C++ to modify PDF documents programmatically
Protect PDF Document Using Python
Lock PDF using Aspose.PDF. Locking PDFs with passwords or encryption is essential for keeping sensitive content confidential and stopping unauthorized access to data. When you lock a PDF with a password, it gains control over who can access its content, allowing you to set permissions for reading, editing, or printing. Lock PDF prevents unauthorized changes to the document, maintaining its accuracy and reliability. This is especially important for protecting personal or confidential info and ensuring the safety of user identities and their privacy. Lock PDFs with password files to help protect your info. Often, some industries have strict rules about safeguarding confidential information. Locking PDFs can fulfil these requirements and provide the necessary protection. Using encryption responsibly is crucial, as is following the law and ethical guidelines. Always make sure you have the right permissions to secure documents properly. Locking a PDF is vital for safeguarding the privacy and security of the data it holds, especially when keeping information safe is a top priority. To encrypt PDF files, we’ll use Aspose.PDF for Python via C++ API, a feature-rich, powerful, easy-to-use document manipulation API for the Python platform. Open PyPI package manager, search for Aspose.PDF and install.
How to Protect PDF - Python
You need Aspose.PDF for Python via C++ to try the code in your environment.
- Load a PDF document.
- Set permissions.
- Specify encryption algorithm.
- Encrypt the document.
- Save the encrypted document
The provided Python code snippet shows how to lock PDF documents using the Aspose.PDF library. It opens a PDF document named ‘Encrypt.pdf’. It encrypts the opened PDF using encryption settings. The user password and owner password are provided for accessing and managing permissions, and it uses the RC4x128 encryption algorithm. The ‘0’ signifies that no specific permissions are granted for users to modify the document. After encrypting the PDF, the code saves the updated document to a file named ‘Encrypt_out.pdf’ in the same directory specified by the ‘dataDir’ variable. This code snippet is a simplified example of how you might use a Aspose.PDF library or framework to lock PDF file and save the locked version.
Lock PDF Document - Python
This sample code shows how to encrypt PDF file - Python
Input file:
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Output format:
Output file:
import AsposePDFPythonWrappers as apw
import AsposePDFPython as apCore
document = apw.Document(dataDir + "sample.pdf")
permission = apCore.Permissions(apCore.Permissions.ExtractContent | apCore.ModifyContent)
cryptoAlgorithm = apCore.CryptoAlgorithm.RC4x128
document.encrypt("user", "owner", permission, cryptoAlgorithm)
dataDir = dataDir + "encrypt_out.pdf"
document.save(dataDir)