On 18/11/2015 11:40, Alex Peshkoff wrote:
> On 11/17/2015 07:52 PM, Adriano dos Santos Fernandes wrote:
>> On 17/11/2015 14:48, Dimitry Sibiryakov wrote:
>>> 17.11.2015 17:40, Leyne, Sean wrote:
>>>> For me, the sequence of operations for accessing a database would be:
>>>>
>>>> - Client initiates connection to remote server, requesting access to 
>>>> database XYZ.fdb  (there is nothing new in the connection string other 
>>>> than what is available now)
>>>> - engine tries to open database XYZ.fdb and read header page
>>>> - engine determines that header page reads "I am encrypted and need key 
>>>> with name = ABCD"
>>>> - engine determines (through server/database config settings) which 
>>>> plug-in to use
>>>> - engine loads/calls plug-in asking "I have database which needs key with 
>>>> name = ABCD, are you able/ready to work?"
>>>> - if plug-in says "Yes", then the engine proceeds with database open, and 
>>>> all non-header page operations are channeled through the plug-in
>>>> - if plug-in says "No", then engine stops the database open, and returns 
>>>> error to client.
>>>     Currently it is this way:
>>>
>>> - Client application set callback for providing a key
>> Why a callback instead of directly passing it to attach/create?
>>
>> Hot does different clients (my application x IBExpert) will work with an
>> encrypted database if the applications are wrote by different developers
>> and plugins are not standard?
>>
> Sometimes it's highly desired not to let standard tools access encrypted 
> database - first of all for distributed databases.
>
>
Well, but sometimes it is!

Applications developers will need to develop their own tools to work
with encrypted databases outside their applications?


Adriano


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