Read from a source text file, decrypt, and write to a target file.

Decrypt data read from a text file.

Decrypt data from the stdin pipe.

Decrypt an input string to a file, with an option to append or overwrite.

Read from a source text file, encrypt, and write to a target file.

Encrypt data read from a text file.

Encrypt data from the stdin pipe.

Encrypt an input string to a file, with an option to append or overwrite.