Miscellaneous
The german original can be downloaded from here.
Next Steps
Possible Applications
E-book Shops
Additional feature for a social DRM. Encrypt PDF e-books with a specific user password to stem unauthorized redistribution.
Stem Changes
Encrypt PDF documents to stem unauthorized changes.
Encrypt & protect PDF files with the SetaPDF-Encryptor API
The SetaPDF-Encryptor API is a collection of PHP classes facilitating PHP developers to encrypt and protect existing PDF documents with up to 256-bit with the standard (40/128-bit) and AES (Advanced Encryption Standard - 128/256-bit) algorithms.
The API supports standard PDF encryption with user and owner passwords or certificate-based encryption.
The API offers an easy way to add document usage restriction for:
- Printing (high or low quality)
- Copy&paste
- Modifications
- Form filling
- Access for screenreaders
- Assemble
The simple interface allows easy encryption & protection of existing document within minutes.
How does PDF protection work?
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