Encryption provides the following routines, listed by function:

    o  Defining, generating, and deleting keys:

       -  ENCRYPT$DEFINE_KEY

       -  ENCRYPT$GENERATE_KEY

       -  ENCRYPT$DELETE_KEY

    o  Encrypting and decrypting files:

       -  ENCRYPT$ENCRYPT_routine

       -  ENCRYPT$ENCRYPT_FILE

       -  ENCRYPT$DECRYPT_routine

    o  Encrypting and decrypting records:

       -  ENCRYPT$DECRYPT_ONE_RECORD

       -  ENCRYPT$ENCRYPT_ONE_RECORD

    o  Intializing and terminating the context area:

       -  ENCRYPT$INIT

       -  ENCRYPT$FINI

    o  Returning statistics:

       -  ENCRYPT$STATISTICS