Validate integrity of VirtualBox downloaded files on Mac

$ openssl dgst -sha256 VirtualBox-6.1.14-140239-OSX.dmg 

SHA256(VirtualBox-6.1.14-140239-OSX.dmg)= 3abeee4822707db2f949431391dba27827840aa5390a9ec4e1bafdc5c8c3aaaa

$ openssl dgst -sha256 Oracle_VM_VirtualBox_Extension_Pack-6.1.14.vbox-extpack

SHA256(Oracle_VM_VirtualBox_Extension_Pack-6.1.14.vbox-extpack)= b224e796e886b19bce69f0aaedf6ca82bad0ca29c61fb0ed86166efb84356942

Compare with values from https://www.virtualbox.org/download/hashes/6.1.14/SHA256SUMS

3abeee4822707db2f949431391dba27827840aa5390a9ec4e1bafdc5c8c3aaaa *VirtualBox-6.1.14-140239-OSX.dmg

b224e796e886b19bce69f0aaedf6ca82bad0ca29c61fb0ed86166efb84356942 *Oracle_VM_VirtualBox_Extension_Pack-6.1.14.vbox-extpack

Reference:

https://www.virtualbox.org/wiki/Downloads

How to make Microsoft Edge Chromium and Classis Edge run side by side

The Microsoft Edge Chromium is so good that you may not need to keep Classic Edge in your computer. But in case you need to keep both versions, here is a tip from https://geekermag.com/use-microsoft-edge-chromium-classic-edge-side-by-side/

Modify Window Registry using RegEdit to set this key to 1: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\EdgeUpdate
 

Make key EdgeUpdate if it does not exist.





Further reading:

• How to Enable running Microsoft Edge (Edge HTML) and Microsoft Edge (Chromium-based) side-by-side in Windows 10 https://www.tenforums.com/tutorials/144061-enable-microsoft-edge-side-side-browser-experience-windows-10-a.html
• Microsoft Edge - Update policies https://docs.microsoft.com/en-us/deployedge/microsoft-edge-update-policies#allowsxs

Validate LibreOffice in MacOS

$ openssl dgst -sha256 LibreOffice_6.4.4_MacOS_x86-64.dmg
SHA256(LibreOffice_6.4.4_MacOS_x86-64.dmg)= fc23048b2d6008b55d578e864332f98659ea8cd953ae23fbdebaaef2cd59989f

Compare against data in
https://download.documentfoundation.org/libreoffice/stable/6.4.4/mac/x86_64/LibreOffice_6.4.4_MacOS_x86-64.dmg.mirrorlist

Mirrors for LibreOffice_6.4.4_MacOS_x86-64.dmg
File information
Filename: LibreOffice_6.4.4_MacOS_x86-64.dmg
Path: /libreoffice/stable/6.4.4/mac/x86_64/LibreOffice_6.4.4_MacOS_x86-64.dmg
Size: 250M (261936781 bytes)
Last modified: Thu, 14 May 2020 21:25:29 GMT (Unix time: 1589491529)
SHA-256 Hash: fc23048b2d6008b55d578e864332f98659ea8cd953ae23fbdebaaef2cd59989f
SHA-1 Hash: 82847e786ec459384b0f9f17dea1de8bf9b489cb
MD5 Hash: 717ed2d21d14c1f413ed282cf8713819
BitTorrent Information Hash: 551bbe0af46c6d9b96f64a2030f2c20e3403ac6d
PGP signature available

Python Release Python 3.8.3 | Python.org

Download and use info from https://www.python.org/downloads/release/python-383/

MD5 checksum: fd2458fa0e9ead1dd9fbc2370a42853b
File size: 27805800

To verify before install

C:\>certutil -hashfile python-3.8.3-amd64.exe md5
MD5 hash of python-3.8.3-amd64.exe:
fd2458fa0e9ead1dd9fbc2370a42853b
CertUtil: -hashfile command completed successfully.

05/22/2020 12:23 PM 27,805,800 python-3.8.3-amd64.exe

KeePassXC

KeePassXC is an open source password manager. It's acommunity fork of KeePassX, the cross-platform port of KeePass for Windows.

Download the .dmg and DIGEST files from https://keepassxc.org/download/ for macOS. After download, verify the intergrity by using openssl

$ openssl dgst -sha256 KeePassXC-2.5.4.dmg

SHA256(KeePassXC-2.5.4.dmg)= 3d56ebbcb3471a2f6116abe884d1e7b662347b80e18cc0a12ca9fdf2c9a14d7a

Compare with value in KeePassXC-2.5.4.dmg.DIGEST

Cybersecurity Tips

* SLOW DOWN.

* Stop and Think.

* Don't click. Copy and paste a link into web browser.

* Research first.

* Lock your computer, cellphone when you're away.

* Backup before make any change, on daily, and weekly.

* Using KeePass or KeePassXC on Mac for password manager.

* 7-Zip or Keka for macOS file archiver

* Write it down. Pen and paper are good.

* Email with plain text mode.

* Airplane mode if not in use.

* Power off if not in use.

* Install only necessary app.

* Uninstall if no longer need.

* Use CerUtil or gpg to verify the integrity of downloaded file.

Before installing, you should always verify that your download matches

the signature that is published alongside the release package!

* Use Two-Factor Authentication (2FA) if provide.

* Keep it simple.

How to verify checksum of a downloaded file on MacOS

$ openssl dgst -sha256 VirtualBox-6.1.2-135662-OSX.dmg

SHA256(VirtualBox-6.1.2-135662-OSX.dmg)=

20fb52bbd7edec58c9eef69046240a809091727872b8b4b254db272ffd6950b4



$ openssl dgst -sha256 Oracle_VM_VirtualBox_Extension_Pack-6.1.2.vbox-extpack

SHA256(Oracle_VM_VirtualBox_Extension_Pack-6.1.2.vbox-extpack)=

54047312d836c17ef0939410f755cb5a23e3037ec402198cc97f755181b25632



Compare result with value in

https://www.virtualbox.org/download/hashes/6.1.2/SHA256SUMS



Reference: https://apple.stackexchange.com/questions/230917/need-a-cli-to-check-the-sha256-hash-of-a-file