Likewise, if you attempt to remove certificate-based encryption from a password-encrypted document, an exception is thrown. To remove certificate-based encryption from an encrypted PDF document, you require both an encrypted PDF document and the private key that corresponds to the key that was used to encrypt the PDF document. The alias value of the private key is specified when removing certificate-based encryption from an encrypted PDF document.
When a certificate is placed there, an alias value is specified. Remove certificate-based encryption using the Java API. Remove certificate-based encryption using the web service API.
Document object that contains an unsecured PDF document. After password-based encryption is removed from a PDF document, the document is no longer secure.
Include the necessary files into your development project. If you are using web services, make sure that you include the proxy files. You must obtain an encrypted PDF document to remove password-based encryption. To remove password-based encryption from an encrypted PDF document, you require both an encrypted PDF document and a master password value that is used to remove encryption from the PDF document.
The password that is used to open a password-encrypted PDF document cannot be used to remove encryption. A master password is specified when the PDF document is encrypted with a password. Include client JAR files, such as the adobe-encryption-client.
If you attempt to perform an operation on an encrypted PDF document, you will generate an exception. After you unlock an encrypted PDF document, you can perform one or more operations on it.
You must obtain an encrypted PDF document in order to unlock it. If you attempt to unlock a PDF document that is not encrypted, an exception is thrown. This value is specified when encrypting the PDF document with a password. To unlock a certificate-encrypted PDF document, you require both an encrypted PDF document and the alias value of the public key that corresponds to the private key that was used to encrypt the PDF document.
After an encrypted PDF document is unlocked, you can perform another service operation on it, such as applying usage rights to it. For example, assuming that you want to apply usage rights to an unlocked PDF document, pass the com. Document object that you pass to another AEM Forms method to perform an operation. Sometimes it is necessary to dynamically determine whether a PDF document is encrypted and, if so, the encryption type.
For example, you can determine whether a PDF document is protected with password-based encryption or a Rights Management policy. To determine the type of encryption that is protecting a PDF document, perform the following steps:. You can determine the type of encryption that is protecting a PDF document.
Determine the encryption type using the Java API. Determine the encryption type using the web service API. Protecting Documents with Policies. Adobe Experience League Sign In. Sign In. New and improved search With improved relevancy, additional filtering, and the ability to search across all learning and Community content, it's now easier to find what you need.
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