Supported Formats and Password Types
|Acrobat 2-4 (RC4 40-bit)||Acrobat 5-8 (RC4 128-bit, AES-128)||Acrobat 9-DC (AES-256)|
|Document open password||C||C||C|
|•* – instant recovery; C – CPU recovery; – — not supported;|
•* – instant recovery of the original password starting at the launch of the program.
•** – instant removes protection through elimination of the password.
C – password recovery process involves the computer's CPU. In order to maximize the process of password recovery the program uses codes specifically optimized for the specific CPU.