Decrypt encrypts the given data with the provided key.

Encrypt encrypts the given data with the provided key.

GenerateData generates properly formatted data based upon the provided signature and data.

GenerateKey generates a properly formatted key that contains the provided signature and key.

LoadData loads the data from the given byte slice.

LoadKey loads the key from the given byte slice.

Write writes the message to w.

WriteData writes the provided data to w.

WriteKey writes the provided key to w.