# apcrypt - [options] [-o outFilePath] inPDFFile
Usage: apcrypt [options]

-keypath <string>   : Path to key location
-rc4                : Encrypt using the RC4 encryption algorithm
-aes                : Encrypt using the AES encryption algorithm
-keylength <int>    : Key Length.  Valid options are 40, 128 & 256.  Default is 128.

-ownerpass <string> : New Owner Password (Required)
-userpass <string>  : New User Password 

-onlyattach         : Encrypt attachments only; uses AES encryption algorithm. 

-noprint            : Do Not Allow Printing
-nomodify           : Do Not Allow Modifying the Document
-nocopy             : Do Not Allow Copying text or graphics
-nonotes            : Do Not Allow Adding or changing notes or form fields
-nofill             : Do Not Allow Fill or Sign of Form Fields
-noaccess           : Do Not Allow Accessibility
-noassembly         : Do Not Allow Document Assembly
-nohighres          : Do Not Allow High Resolution Printing

-remove             : Remove all encryption from the PDF document. (requires -d OwnerPassword)

-d <string>         : Old Owner Password to Decrypt the file

-optimize           : Combine -flate, -rascii, -nolzw, -optxobj, -optcontent and -optfonts

-nocomp             : Do not compress using Object Streams; compatible with all versions of Acrobat
-comp               : Compress using Object Streams; Acrobat 6 and later
-iso32000           : Set file for ISO 32000 compliance (PDF 1.7)

-w                  : Linearize saved file
-nomod              : Retain current file modification date
-o <string>         : New output file name, for multiple inputs, a path to an output directory
-l <string>         : Write progress to the given log file name
-p                  : Log progress information
-v                  : Print version information
-r <string>         : Application serial number
-h                  : Show help
-help               : Show help