File Hashing

• Linux

  • Get hash of text string: echo -n 'This is the text' | md5sum

    • Example: echo -n "This is the text" | md5sum

  • Get hash of file

    • sha256sum <file>

    • sha1sum <file>

    • md5sum <file>

    • Examples

      • sha256sum hashthis.jpg

      • sha256sum hashthis.jpg && sha1sum hashthis.jpg && md5sum hashthis.jpg

• Windows

  • Get-FileHash -Algorithm <algorithm> .\file_path

    • Examples

      • Get-FileHash -Algorithm sha1 .\hashthis.jpg

      • get-filehash .\file.exe ; get-filehash -algorithm md5 .\file.exe ; get-filehash -algorithm sha1 .\file.exe