This program (Advanced PDF Password Recovery, or APDFPR) is
intended to decrypt password-protected and restricted Adobe Acrobat PDF files,
which have "user" password set (required to open/view the file), and/or "owner"
password (when the file is only protected from editing, printing etc).
Restricted files are being unprotected instantly, while decryption of files
with "open" password may be time-consuming.
Three versions (editions) are available: Standard, Professional
and Enterprise.
Standard: basic edition of the program, that is only able to remove
restrictions (from printing, selecting text and graphics and copying them
into the Clipboard, adding/changing annotations and form fields). Does
not handle PDF files with "open" password set, if that password is not
known.
Professional: this edition has all functionality of the Standard one, but
also allows to search for "owner" and "user" passwords with brute-force and
dictionary attacks, effectively optimized for speed. It also has the "Key
search attack", which guarantees the decryption (regardless the password
length and complexity) of PDF files that use 40-bit encryption. This attack
takes from a few days (on modern dual-core systems) up to two weeks (on slow
computers). In addition, it allows to remove JScript code, form fields and
digital signatures from PDF files.
Enteprise: based on Professional edition, this one has an improved "Key
search attack" using Thunder tables™ (improved "time-memory trade-off" technology),
allowing to break "user" password (for 40-bit encryption) in just a
few minutes (instead of days, as in Professional edition), using
special pre-computed tables on DVD, shipped with express mail.
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You can order full version of Advanced PDF Password Recovery using the online order form. We accept credit cards (Visa, MasterCard, American Express, Diners Club and JCB) as well as PayPal, Bank/Wire transfer, Checks and Cash.
Online orders are processed automatically and therefore more quickly than orders placed by fax, e-mail, or phone, because processing is not dependent on our customer service center's business hours. Products available electronically are generally ready for download immediately, or no more than 48 hours after you place your order.
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