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Items in pnews.paradox-programming

Subject:Re: Library Hex Editing Experiment
Date:12 Mar 2023 14:56:05 -0400
From:"Kevin Zawicki" <numberjack@wi.rr.com>
Newsgroups:pnews.paradox-programming

this is also key

>
information can be had without me providing any details 
of what to look for.
<

It would be more difficult not knowing what to look for / compare.

Agree with Micheal:
>> Probably OK if the data is not super-sensitive.

Peter <peterspammenot@whiteknight.email> wrote:
>
>That's disappointing. The next step would be to pursure encrypting the 
>employee names and other figures.
>
>Given Tom Krieg's suggestion of keeping in mind my target audience, I'm

>leaning towards a "that's good enough".
>
>I am still intrigued however. I created another library. This time I am

>wondering if any information can be had without me providing any details

>of what to look for. Any takers?
>
>
>
>
>On 03/10/2023 10:14 a.m., Michael Kennedy wrote:
>> Peter,
>> 
>> On 10/03/2023 02:28, Peter wrote:
>> 
>>> dynInt["Jack"] = 99
>>> dynInt["Jill"] = 5
>>> dynInt["Sam"] = 105
>>>
>>> The names can be seen but can the smallint value be seen?
>> 
>> Yes.
>> 
>> In hex, those values are 63, 05, and 69. They're in both files, a few

>> bytes just before the three names.
>> 
>> 
>>> dynName[99] = "Jack"
>>> dynName[5] = "Jill"
>>> dynName[105] = "Sam"
>>>
>>> Again, the names can be seen but can the elements be seen?
>> 
>> Yes - as above.
>> 
>> If, for example, your data had the salaries of three folks (one being

>> myself, Jill), and I knew my salary was 12345 (that's 39 30 in hex, 
>> reverse order), I could then easily extract the salaries of the other

>> two entries.
>> 
>> Probably OK if the data is not super-sensitive.
>> 
>> If the data is very sensitive, such as passwords, then maybe all file

>> copies should be encrypted. And, if any data is S-U-P-E-R sensitive, 
>> then all memory copies should probably remain encrypted, except for the

>> moments the actual decrypted values are used.
>> 
>>    - Michael
>


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