Encrypt solution files into ..._solution.xxx.aes files

These functions manage encryption and decryption of solution files. The password must be defined in an option learnitgrid.key or an environment variable LEARNITGRID_KEY under a digest form.

encrypt_solutions(key = NULL, error = TRUE)

decrypt_solutions(key = NULL, error = TRUE)

set_key()

Arguments

key

The key to use for encryption/decryption. If not provided, it is asked

error

If TRUE, an error is generate in case the file encryption or decryption fails.

Value

NULL invisibly.