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Cipher.exe
File Encryption Utility
Description
Cipher.exe is a command line utility to encrypt or decrypt files and folders using Encrypting File System (EFS).
Cipher.exe is a 32-bit executable for a command line application that has no GUI.
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Key Facts from within File
These are the direct values are extracted from the file. These are defined by the original developer. Some items may be unspecified, mistyped or out of date.
File description
File Encryption Utility
File Version
5.1.2600.0 (xpclient.010817-1148)
Application
Microsoft Windows Operating System
App version
5.1.2600.0
Type
32-bit
Publisher
Microsoft Corporation
Copyright
(c) Microsoft Corporation. All rights reserved.
File System and OS Information
C:\Windows\System32
This directory holds the core operating system files and libraries.
The two security hashes for Cipher.exe were created from the original file. The security hash is created by scanning all bytes within the file. Identical files should have the same hashes. SHA1 is considered the more secure than the older MD5 hash.
MD5
98C0F73397F2E0E9B4715C19971EF277
SHA1
E10E417650DB86B04E23403D24B3677974CBB86B
Requires
The following
files are required when running this program. These may call other files, and there can be additional required files not in this list.
This program does not appear to be internally referenced by any other file.
Instructions on Use
Command-line help instructions for this application.
Displays or alters the encryption of directories [files] on NTFS partitions.
CIPHER [/E | /D] [/S:directory] [/A] [/I] [/F] [/Q] [/H] [pathname [...]]
CIPHER /K
CIPHER /R:filename
CIPHER /U [/N]
CIPHER /W:directory
/A Operates on files as well as directories. The encrypted file
could become decrypted when it is modified if the parent
directory is not encrypted. It is recommended that you encrypt
the file and the parent directory.
/D Decrypts the specified directories. Directories will be marked
so that files added afterward will not be encrypted.
/E Encrypts the specified directories. Directories will be marked
so that files added afterward will be encrypted.
/F Forces the encryption operation on all specified objects, even
those which are already encrypted. Already-encrypted objects
are skipped by default.
/H Displays files with the hidden or system attributes. These
files are omitted by default.
/I Continues performing the specified operation even after errors
have occurred. By default, CIPHER stops when an error is
encountered.
/K Creates new file encryption key for the user running CIPHER. If
this option is chosen, all the other options will be ignored.
/N This option only works with /U. This will prevent keys being
updated. This is used to find all the encrypted files on the
local drives.
/Q Reports only the most essential information.
/R Generates an EFS recovery agent key and certificate, then writes
them to a .PFX file (containing certificate and private key) and
a .CER file (containing only the certificate). An administrator
may add the contents of the .CER to the EFS recovery policy to
create the recovery agent for users, and import the .PFX to
recover individual files.
/S Performs the specified operation on directories in the given
directory and all subdirectories.
/U Tries to touch all the encrypted files on local drives. This will
update user's file encryption key or recovery agent's key to the
current ones if they are changed. This option does not work with
other options except /N.
/W Removes data from available unused disk space on the entire
volume. If this option is chosen, all other options are ignored.
The directory specified can be anywhere in a local volume. If it
is a mount point or points to a directory in another volume, the
data on that volume will be removed.
directory A directory path.
filename A filename without extensions.
pathname Specifies a pattern, file or directory.
Used without parameters, CIPHER displays the encryption state of
the current directory and any files it contains. You may use multiple
directory names and wildcards. You must put spaces between multiple
parameters.
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