Is there a way for a file/binary/exexutable to verify it’s own integrity?

So I’m making a distributed recovery system which consists of a bunch of hidden usb sticks. I plan to have the file be an executable, probably in the form of a appimage, which will contain my encryption software and encrypted volume.
The o… Continue reading Is there a way for a file/binary/exexutable to verify it’s own integrity?

What is the purpose of using different hash algorithm to detect file changes [duplicate]

Take an example of AIDE (Advanced Intrusion Detection Environment), it has a capability to scan system file changes based on checksum.
So in AIDE you can see it has this kind of configuration setting in /etc/aide/aide.conf that we can set … Continue reading What is the purpose of using different hash algorithm to detect file changes [duplicate]

When file hash not available, how to best check authenticity of a file?

Normally, The Document Foundation (TDF) publishes the SHA-256 and SHA-1 hashes, along with the MD5 checksum, for all LibreOffice releases. For example, see this.
However, for their current release (v7.1.4), TDF did not publish any hashes … Continue reading When file hash not available, how to best check authenticity of a file?

When file hash not available, how to best check authenticity of a file?

Normally, The Document Foundation (TDF) publishes the SHA-256 and SHA-1 hashes, along with the MD5 checksum, for all LibreOffice releases. For example, see this.
However, for their current release (v7.1.4), TDF did not publish any hashes … Continue reading When file hash not available, how to best check authenticity of a file?

When file hash not available, how to best check authenticity of a file?

Normally, The Document Foundation (TDF) publishes the SHA-256 and SHA-1 hashes, along with the MD5 checksum, for all LibreOffice releases. For example, see this.
However, for their current release (v7.1.4), TDF did not publish any hashes … Continue reading When file hash not available, how to best check authenticity of a file?

Do all files downloaded from the web, come with a checksum to verify the file?

Pretty straightforward question. Take the image here:
https://i.imgur.com/oEdf6Rl.png
Does it come with a checksum, which I can verify against after I have fully downloaded the file?
This question goes for any file downloaded, and in my pa… Continue reading Do all files downloaded from the web, come with a checksum to verify the file?