Crypta2 uses anonymous encryption and decryption from golang.org/x/crypto/nacl/box library to securely transfer your data.

1. Download

   curl -LO https://github.com/Mirage20/crypta2/releases/latest/download/crypta2-linux-x64.tar.gz

2. Extract

   tar -xzvf crypta2-linux-x64.tar.gz

3. Install

    sudo mv ./crypta2 /usr/local/bin/crypta2

1. Download

   curl -LO https://github.com/Mirage20/crypta2/releases/latest/download/crypta2-darwin-x64.tar.gz

2. Extract

   tar -xzvf crypta2-darwin-x64.tar.gz

3. Install

    sudo mv ./crypta2 /usr/local/bin/crypta2

1. Generate a key pair my-key.pub and my-key.pvt

   # The following command will generate a key pair and write it to current directory
   crypta2 genkey my-key

2. Encrypt using public key

   # Encrypt message.txt using public key and save it as base64 encoded payload.txt
   crypta2 encrypt -f message.txt -p my-key.pub > payload.txt
   
   # Read data from stdin pipe and encrypt
   echo "Hello World" | crypta2 encrypt -p my-key.pub > payload.txt
   
   # Encrypt data from stdin and output to stdout (press Ctrl+D after entering the secret)
   crypta2 encrypt -p my-key.pub

3. Decrypt using private and public key

   # Decrypt base64 encoded payload.txt using private key and save it as message.txt
   crypta2 decrypt -f payload.txt -k my-key.pvt -p my-key.pub > message.txt
   
   # Decrypt data from stdin and output to stdout (press Ctrl+D after entering the input)
   crypta2 decrypt -k my-key.pvt -p my-key.pub

4. Run crypta2 --help for more information

   Usage:
     crypta2 [command]
   
   Available Commands:
     decrypt     Decrypt input with the given private and public keys
     encrypt     Encrypt input with the given public key
     genkey      Generates a key pair
     help        Help about any command
   
   Flags:
     -h, --help      help for crypta2
     -v, --version   version for crypta2
   
   Use "crypta2 [command] --help" for more information about a command.