JGut – WindowsTechs.com

Can a client prove to a third party that they sent a message to another client in a P2P network?

Posted on February 14, 2021 by JGut

Let’s say Alice sends a message to Bob in their P2P chat app asking him to complete some work. Bob is lazy, so he deletes the message off his machine, does not complete the work, and just claims that he never received the message in the fi… Continue reading Can a client prove to a third party that they sent a message to another client in a P2P network?→

Does opening an arbitrary file in a language (such as Python) pose a security risk?

Posted on February 11, 2018 by JGut

For example, if a client submits a file to a server, and the server opens the file in read-mode with Python:

with open(uploaded_file, “r”) as f:
# Do something

Could the act of opening a file be abused with a cleverly-crafted file f… Continue reading Does opening an arbitrary file in a language (such as Python) pose a security risk?→