tldr/pages/windows/certutil.md

certutil

A tool to manage and configure certificate information. More information: https://learn.microsoft.com/windows-server/administration/windows-commands/certutil.

• Dump the configuration information or files:

certutil {{filename}}

• Encode a file in hexadecimal:

certutil -encodehex {{path\to\input_file}} {{path\to\output_file}}

• Encode a file to Base64:

certutil -encode {{path\to\input_file}} {{path\to\output_file}}

• Decode a Base64-encoded file:

certutil -decode {{path\to\input_file}} {{path\to\output_file}}

• Generate and display a cryptographic hash over a file:

certutil -hashfile {{path\to\input_file}} {{md2|md4|md5|sha1|sha256|sha384|sha512}}