[VicPiMakers Projects] Jim's Challenge - Output 10 (caesar cipher)

[Greg H]

For me, the confusion is that we're intended to write code to derive the
cipher key value. I did this and came up with an answer, but this key is
only relevant "HOUVYE" / "BIOPSY".

So should I take this key and make it a constant for future inputs /
encryptions? That's what I ended up doing with my final code submission.

I took out the code that solved the problem because unused code seems like
lint to me, but maybe I should put it back to show how I did it.


On Sat, 10 Oct 2020 at 17:45, James Briante <briantej at gmail.com> wrote:

> Hi Patrick,
>  Yes, you can look at only the first character of the string and use it to
> get the key. Comparing all characters as the advantage of catching errors
> in encryption/decryption. The code is just as short using  "compare
> strings"  of your particular language.
>
> In C int strcmp (const char* str1, const char* str2);, in C++ *int*
> *CompareText*(*const* AnsiString *S1*, *const* AnsiString *S2*); Pascal (
> Delphi) *function* *CompareText*(*const* *S1*: *string*; *const* *S2*:
> *string*): Integer;
>
> Aside: The purpose of the final test data is to see if your outputs are
> correct when you run your code with the new data. It should work the first
> time with no changes in the actual code.
> Jim
>
> On Sat, Oct 10, 2020 at 4:46 PM George Bowden <gtbowdeng at gmail.com> wrote:
>
>> Hi Michelle
>> If you are on a laptop or computer using chrome, you can hold down the
>> CTRL key and tap the letter u .  There are things further back than that
>> but its a start.  As for ink marks showing through, we try to avoid that
>> because it usually reveals security holes that the bad people exploit.
>>
>> On Sat, Oct 10, 2020 at 1:23 PM Michelle Wiboltt <
>> michellewiboltt at outlook.com> wrote:
>>
>>> Please help:)
>>> Here’s where my crazy comes in, see this image...
>>> [image: Image.jpeg]
>>> Ok.
>>>
>>> Now, if u could think in terms of front back / embroidery and its front
>>> back...
>>> So, above is a code interface? But where is the back front and back?
>>> Front would be the website, right? So, when I do online shopping, that’s
>>> the front. Where is the back view of the front of the website?
>>>
>>> Another example, when writing in ink it can show through the backside
>>> when held to the light, kind of thing is what I’m trying to understand?
>>> Where’s that on the internet?
>>>
>>> Thx
>>> m
>>>
>>> Michelle Wiboltt
>>> www.elb1b69.net
>>> 604-612-2505
>>>
>>> ------------------------------
>>> *From:* Projects <projects-bounces at vicpimakers.ca> on behalf of Greg H <
>>> greg.horie at gmail.com>
>>> *Sent:* Saturday, October 10, 2020 8:56:49 AM
>>> *To:* projects at vicpimakers.ca <projects at vicpimakers.ca>
>>> *Subject:* [VicPiMakers Projects] Jim's Challenge - Output 10 (caesar
>>> cipher)
>>>
>>> I'm looking for clarification on output 10 - caesar cipher problem.
>>>
>>> Is the intent to calculate the caesar cipher key value OR is the intent
>>> to encrypt the string with a pre-determined key? Initially I thought the
>>> question was to discover the cipher key value, but on reflection this seems
>>> fragile.
>>>
>>> Reasoning:
>>> - "BIOPSY" will work for the 12 integer input that leads to "HOUVYE",
>>> but it will not work for any 12 random integers.
>>> - You'd have to reverse engineer your integers starting from "BIOPSY" to
>>> get a valid set of 12 integers.
>>>
>>> I solved it both ways, but posted only the 2nd solution to github
>>> because only the 2nd solution will work for a random set of 12 integers.
>>>
>>> I'm curious how other folks solved this one.
>>>
>>> --
>>> Projects mailing list
>>> Projects at vicpimakers.ca
>>> http://vicpimakers.ca/mailman/listinfo/projects_vicpimakers.ca
>>>
>>
>>
>> --
>> George Bowden, vice president, Victoria Computer Club
>> gtbowdeng at gmail.com
>> --
>> Projects mailing list
>> Projects at vicpimakers.ca
>> http://vicpimakers.ca/mailman/listinfo/projects_vicpimakers.ca
>>
> --
> Projects mailing list
> Projects at vicpimakers.ca
> http://vicpimakers.ca/mailman/listinfo/projects_vicpimakers.ca
>
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