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DecryptFile (function)

This will decrypt a whole file using the given password. This function can only decrypt files encrypted with function EncryptFile() of this library. As it may also happen, that a file is encrypted multiple times, you may do additional calls to this function until DES56_WARN_NOTCRYPTED is returned. In alternative use the function IsCryptedFile() for this purpose.

SYNTAX:

error% = DecryptFile% (file$, pass$)

INPUTS:

file$ (STRING)

• Any existing file, with full path if required. An empty file$ or not existing file results into error DES56_ERROR_NOACCESS.

pass$ (STRING)

• Any password as literal or variable. An empty password will result into error DES56_ERROR_NOPASS.

RESULT:

error% (INTEGER)

• Zero on success, else any error defined in file des56.bi.
  • See also page Common Info.

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