Two ways which I can think of straight away are:
(1) You create the file with *relaxed* access conditions. After storing the secret
codes, you lock the access conditions.
(2) You create the file with update access conditions = secure messaging.
BTW, you should be having an API which supports *loading* of secret codes.
Another alternative can also be as follows: Create the file with 'read' and 'update' =
LOCKED, 'write' = FREE. The *first write* will always behave like an update operation.
Hence, you can do a write binary on the file. Once you are done and the secret code
tested, you can lock the write operation too.
----------
In war, moral considerations account for three quarters,
the balance of actual forces only for the other quarter.
- Napolean
>-----Original Message-----
>From: Thimo von Rauchhaupt [mailto:[EMAIL PROTECTED]]
>Sent: Wednesday, May 16, 2001 2:46 PM
>To: [EMAIL PROTECTED]
>Subject: [OCF] Re: are the codes safe?
>
>
>
>Thanks again to Mahommed.
>
>Logically it�s the right way, I suppose. But It�s getting hard
>again, while
>trying to implement. The problem is, that if I create the
>secret code files
>LOCKED for Read/Write/Update, I cannot store the Codes in it :-(. And I
>haven�t found a method how to change the access conditions on
>an existing
>file like fus.changeAC ( Filepath, byte[] AccesssConditions ).
>Am I blind
>????????
>
>Regards,
>Thimo
>
>----- Original Message -----
>From: "Mohammed SADIQ" <[EMAIL PROTECTED]>
>To: "Thimo von Rauchhaupt" <[EMAIL PROTECTED]>
>Cc: <[EMAIL PROTECTED]>
>Sent: Tuesday, May 15, 2001 5:53 PM
>Subject: RE: [OCF] are the codes safe?
>
>
>> It is recommended to keep the access conditions of secret code files
>LOCKED for
>> Read/Write/Update. If this recommendation is followed, there
>is no room
>for any
>> operation on the files.
>>
>>
>> >
>> >Hi,
>> >
>> >I was just testing the Secret Codes functionality of my
>> >GPK8000. The Problem
>> >is, that for protecting a file with an external authentication
>> >code I need a
>> >Code File. Can this file be protected by itself? In the
>> >Testapplication it
>> >doesn�t seem to work. I can easily look in the "Secret Code
>> >File" to get the
>> >codes for the protected file.
>> >
>> >How can I protect the data really?
>> >
>> >If I didn�t tell it before: I�m a newbe, so I�m apologizing in
>> >advance, if
>> >this question stands on top of the faq (yes, I read it).
>> >
>> >Cheers, Thimo
>
>
>
>
>
>
>
>---
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