clicrypt

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clicrypt

This handly little application simplifies the task of encrypting and decrypting data.

Usage

The examples below demonstrate basic usage of the application.

Encryption

To generate a new pre-shared key and encrypt a file with it:

clicrypt encrypt -c -k key -i plain.txt -o cipher.txt

Because clicrypt uses STDIN and STDOUT by default, the above command could also be written as:

clicrypt encrypt -c -k key < plain.txt > cipher.txt

To use an existing key instead of generating a new one, omit the -c flag.

Decryption

To decrypt a file:

clicrypt decrypt -k key -i cipher.txt -o plain.txt

Once again, clicrypt uses STDIN and STDOUT by default, so the above command could also be written as:

clicrypt decrypt -k key < cipher.txt > plain.txt

Using in Pipelines

clicrypt is designed to integrate easily with pipelines. For example, to compress and encrypt an entire directory, you could create a pipeline with tar:

tar czf - somedir | clicrypt encrypt -c -k key > encrypted.tar.gz

Decrypting and decompressing the directory could then be done with:

clicrypt decrypt -k key < encrypted.tar.gz | tar xzf -