What is AutoMassSecure™ Plug-in?
AutoMassSecure™ is a plug-in for Adobe® Acrobat® software for securing batches of PDF files with individual, randomly generated passwords. The plug-in allows the restricting of document access rights such as printing or editing and protects each input PDF files with random password(s). The plug-in functionality is seamlessly integrated with Adobe® Acrobat® application as a menu selection.
How it Works?
AutoMassSecure™ plug-in is designed to secure multiple PDF documents at once. The plug-in takes a folder or a set of selected PDF files as input. Every document is secured according to user-defined settings and protected with individual, randomly generated passwords. Secured documents are saved into an output folder without overwritng the original documents. For each output document a record is added to the password file containing a time stamp, output file path and the password(s) generated. The password file can later be accessed by other applications to retrieve this information and perform all necessary processing.
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System Requirements
Features Summary
Process Multiple PDF Documents At Once
The plug-in processes all PDF documents from the input folder or a selected set of files. Secured files are saved into an output folder without overwriting input files which are left unmodified.
Secure Output Documents
You can limit the access to PDF files by setting passwords ("Open Document" and "Access Permissions" passwords) and by restricting certain features, such as printing and editing. All Adobe products enforce the restrictions set by the "Access Permissions" password. However, because third-party products may not support or respect these settings, document recipients may be able to bypass some or all of the restrictions you set (such as ability to print or edit).

Random Password Generation
The plug-in supports several different methods for generating random passwords of variable length:

1. Pronouncable passwords that conform to FIPS-181 Standard
Passwords generated by this method are easy to remember, but provide low security protection. Examples: etujkoka, irfvedmy, obgrevrawmu, addkiyou. Federal Information Processing Standards Publication 181 issued by the National Institute of Standards and Technology specifies Automated Password Generator algorithm to generate passwords for the protection of computer resources. The algorithm uses random numbers to select the characters that form the random pronounceable passwords. It produces passwords that are easily remembered, and entered into computer systems, yet not readily susceptible to automated techniques that have been developed to search for and disclose passwords. However, passwords generated by this method are not recomended for protecting of sensitive documents. They can be breaked within few days using modern software.
2. Pronouncable case-sensitive passwords
This method uses FIPS-181 algorithm but also randomizes case of individual characters. These passwords are harder to remember than FIPS-181 and provide low-to-medium security protection. Examples: OaHidleINY, UKtroLziiCa, OaCdIsGeJ.
3. Variable length passwords that contain only ASCII characters (both lower and upper case) and digits
This method randomly generates case-sensitive passwords by mixing English characters with digits (0-9). These passwords are hard to remember and provide medium-to-high level of security protection. Examples: pO6SYER866su0A, 6Ax4TROvHSm, xiQE72EPfsok.
4. Variable length passwords that contain ASCII characters (both lower and upper case), digits (0 - 9) and symbols
This method randomly generates case-sensitive passwords by mixing English characters with digits (0-9) and symbols (symbols used: ~`!@#$%^&*()-_=+[{]}\|;:',<.>/? ). These passwords are very hard to remember and provide high level of security protection against automated password-breaking techniques. Examples: P8iEmD=/7zfjt?, 9A4eh3Q}p9n6, E5jRQ!wMBDsd*0.
5. Passwords based on custom user-specified pattern
Password pattern defines what character type can appear in the specific position. This method randomly selects a password length from a user specified range and repeats the password pattern to create a password of the necessary length. This method provides great flexibility in generating wide variety of passwords to satisfy custom security requirements.
All algorithms generate passwords of random length (using user-specified min/max values) within 5 - 64 characters range. Passwords are garanteed to be unique within one file "batch" even if processing millions of documents. It is recommended to use passwords at least 10 characters long for adequate security protection.

Save Password Data
Processing information such as time stamp, output filename and associated access passwords) are saved into a password file for further processing by external applications. The plug-in allows the storing of data in either ASCII CSV or XML file formats (Sample password output: CSV and XML formats). Both output formats are widely used for data exchange and are readily supported by most database and spreadsheet applications.
Security Strength
The plug-in uses Adobe® Acrobat® standard 128-bit RC4 security handler. Use high-strength password type and password length of at least 8-10 characters to make your documents highly secure. Documents protected at such security level cannot be opened by password-cracking software in any reasonable amount of time. Longer passwords provide greater level of security protection. Passwords generated by the AutoMassSecure™ plug-in are resistant to dictionary and brute-force attacks. Key length attack cannot be used on 128-bit security data and is not applicable to PDF documents secured by the plug-in.
Installation
Download a free trial version of the plug-in to your computer. Double-click on an installation file and follow on-screen instructions. Once installation has been completed, launch Adobe® Acrobat® and select "Plug-ins > Secure Files..." menu to access AutoMassSecure™ plug-in functionality.
System Requirements
Platforms:
 Microsoft® Windows Vista/XP/2003/2000/Windows 7.
Software:
Full version of Adobe® Acrobat® software is required (versions 5, 6, 7, 8, 9, 10). This software will not work with free Adobe Acrobat® Reader®. Batch processing functionality requires presence of Adobe® Acrobat Professional® (for versions 6, 7, 8, 9, 10).
(Adobe Acrobat Product Comparison Chart).
PAD File