File Checksum Integrity Verifier (FCIV)
The File Checksum Integrity Verifier (FCIV) is a command-prompt utility that computes and verifies cryptographic hash values of files. FCIV can compute MD5 or SHA-1 cryptographic hash values. These values can be displayed on the screen or saved in an XML file database for later use and verification.
FCIV (File Checksum Integrity Verifier) is a small tool or utility from Microsoft that allow us to compute (MD5 and SHA1) and verify Integrity of files. If you are a malware analyst or a researcher or a user who want secure things then you can done a fabulous things with this small utility.

Features

The FCIV utility has the following features:
  • Supports MD5 or SHA1 hash algorithms (The default is MD5.)
  • Can output hash values to the console or store the hash value and file name in an XML file
  • Can recursively generate hash values for all files in a directory and in all subdirectories (for example, fciv.exe c:\ -r)
  • Supplies an exception list to specify files or directories to hash
  • Can store hash values for a file with or without the full path of the file

 Example usage

  • To display the MD5 hash of a file, type the following command at a command prompt:
    fciv.exe filename
    Note filename is the name of the file.
  • To compute a hash of a file, type a command line that is similar to any one of the following command lines:
    fciv.exe c:\mydir\myfile.dll

    fciv.exe c:\ -r -exc exceptions.txt -sha1 -xml dbsha.xml

    fciv.exe c:\mydir -type *.exe

    fciv.exe c:\mydir -wp -both -xml db.xml
  • To list the hashes that are stored in a database, type a command line that is similar to the following command line:
    fciv.exe -list -sha1 -xml db.xml
  • To verify a hash in a file, type a command line that is similar to any one of the following command lines:
    fciv.exe -v -sha1 -xml db.xml

    fciv.exe -v -bp c:\mydir -sha1 -xml db.xml

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Windows: Microsoft FCIV

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