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Asymmetric Encryption and Signing with Public Private Keys

51 ratings | 6390 views
Bob and Alice will only get you so far. Article at https://coolaj86.com/articles/asymmetric-public--private-key-encryption-in-node-js/ Without getting deep into math, I paint a picture of specifically how RSA encryption works, it's connection with AES, and how HTTPS and GPG use both. I also show examples using the OpenSSL commandline tools and ursa in node.js. It's still pretty high-level, but with sprinkled with some practical details and understanding you may not have had before. Examples with OpenSSL Node.js
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Text Comments (6)
Kishor kishorkumar (15 days ago)
I have a doubt... If a sender sends a message with signature.. Y cant an attacker read only message part...
IVANDI DJOH GAH (2 years ago)
Benny Powers (2 years ago)
some googling brought me to fish. oh gosh! thanks for the tip. I want to make a system whereby certain users can scan a unique code which gives them read access to the code-bound user's data. i want to prevent code spoofing, so how do I do that: sign the codes with a private key that only the db server has access to?
Benny Powers (2 years ago)
Thanks for the overview. Can I see your .bashrc? ;)
AJ ONeal (10 months ago)
I think I was using ZSH at that time: https://coolaj86.com/articles/zsh-is-to-bash-as-vim-is-to-vi.html But now I use Fish: https://fishshell.com/ I still script in bash, but I use fish for my shell.
AJ ONeal (2 years ago)
I'm actually using oh-my-zsh is this video. Now I use fish.

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