sudo apt-get update
sudo apt-get -y upgrade
sudo apt-get -y install python3-pip
sudo -H pip3 install pipenv
cd ~
git clone https://github.com/nucypher/pyUmbral.git
cd pyUmbral/
pipenv install
pipenv shell
Putting cryptographic primitives together is a lot like putting a jigsaw puzzle together, where all the pieces are cut exactly the same way, but there is only one correct solution. Thankfully, there are some projects out there that are working hard to make sure developers are getting it right.
The following advice comes from years of research from leading security researchers, developers, and cryptographers. This Gist was [forked from Thomas Ptacek's Gist][1] to be more readable. Additions have been added from
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import javax.crypto.Cipher; | |
class Test { | |
public static void main(String[] args) { | |
try { | |
System.out.println("Hello World!"); | |
int maxKeyLen = Cipher.getMaxAllowedKeyLength("AES"); | |
System.out.println(maxKeyLen); | |
} catch (Exception e){ | |
System.out.println("Sad world :("); |