Microsoft DOS fciv command

About fciv

Short for File Checksum Integrity Verifier, FCIV is a Windows command line command that can be used to check the MD5 or SHA-1 file checksum cryptographic hash information.

Availability

The fciv.exe is an external command that is not pre-installed with any version of Windows, it must be downloaded from Microsoft.

Syntax

fciv.exe [Commands] <Options>

-add <file | dir>	Compute hash and send to output (default screen). dir options: -r : recursive. -type : ex: -type *.exe. -exc file: list of directories that should not be computed. -wp : Without full path name. ( Default store full path) -bp : specify base path to remove from full path name
-list	List entries in the database.
-v	Verify hashes. Option: -bp basepath.
-md5 | -sha1 | -both	Specify hashtype, default md5.
-xml db	Specify database format and name.

Examples

fciv hope.txt

Running the fciv against any file (in this case hope.txt) displays the File Checksum information similar to the example below.

//
// File Checksum Integrity Verifier version 2.05.
//
30ad2c562520d88d4e030fecf2f8c642 hope.txt

fciv hope.txt -both

Running the above command will give the output for both MD5 and SHA-1.

fciv -add hope.txt -xml hope.xml

Add the MD5 information of the "hope.txt" file to the XML hope.xml file. If the file does not exist a new file will be created. Below is an example of the XML file created using this command.

<?xml version="1.0" encoding="utf-8"?>
<FCIV>
<FILE_ENTRY><name>hope.txt</name><MD5>kS7IA7LOSeSlQQaNSVq1cA==</MD5></FILE_ENTRY></FCIV>