CODE - encrypt a file (reverse with decode).

Syntax:

code infile;outfile

Description:

CODE is used to encrypt a file, making its content unintelligible to others. Input and output file descriptions may accompany the command, separated from one another by a semicolon. The input file may be random or sequential, and either description may include passwords, permissions, and alternate name and up to three levels of catalogs. The output file will be created if it does not already exist.

Upon receipt of the CODE command, the user is asked to enter (and verify) a key to be used for encrypting the file. This is simply a one to 11 character password which may include any combination of any ASCII characters. The encryption key is known only to the user, i.e. it is neither resident on mass storage nor retained anywhere in the system.

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