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

Sun Oct 11 18:36:42 EDT 2020

Hi Patrick,
Here is the last sentence of the comment I posted today at 2:31 PM
"The final test data will include a new string not “BIOPSY”.

Jim

On Sun, Oct 11, 2020 at 3:19 PM Patrick McMorris <patrick at mcmorris.ca>
wrote:

> Hello Jim,
>
> Your instructions are unclear and we're just asking you to clearly address
> the issue.
>
> If you want our code to output the key used then either we assume the word
> is the same or your next update also provides a new word in addition to a
> new byte array.
>
> Which is it?
>
> On Sun., Oct. 11, 2020, 2:32 p.m. James Briante, <briantej at gmail.com>
> wrote:
>
>> Craig, Patrick, Greg & Others,
>>
>> Note that the string “BIOPSY” is not part of the input data but included
>> in the description of Output#10 in order to simplify things. If “BIOPSY”
>> appears in your code, you have created an *implicit input* to simplify
>> things. The final test data will include a new string not “BIOPSY”.
>>
>> Consider the implication of not having known the plaintext “BIOPSY”. One
>>  solution would be to write separate code (not part of the solution to
>> Challenge1) that sequentially reverses the encryption process. Why not
>> do so and then just print 6 for Output #10?
>>
>> The above method requires human intervention in order to recognize
>> meaningful words during the decryption process. Why not write code to
>> remove the human out of the loop? Hopefully, that explains why the string
>> *“BIOPSY*” was a good choice for Challenge 1.
>>
>> Jim
>>
>> On Sun, Oct 11, 2020 at 9:52 AM Michelle Wiboltt <
>> michellewiboltt at outlook.com> wrote:
>>
>>> Also, instead of exclamation! ? for instance, why can’t these be
>>> illustrated as musical notes so that we come to learn /to understand
>>> tempo/crescendo/intent...plus, “music tames the savage beast”, non? So
>>> wouldn’t we want to gift “those extraterrestrials” with this type of
>>> advantage, which is really our advantage in that we set the tone:)
>>>
>>> ------------------------------
>>> *From:* Projects <projects-bounces at vicpimakers.ca> on behalf of Greg H <
>>> greg.horie at gmail.com>
>>> *Sent:* Sunday, October 11, 2020 9:43:32 AM
>>> *To:* Talk about Raspberry Pi / embeded projects <
>>> projects at vicpimakers.ca>
>>> *Subject:* Re: [VicPiMakers Projects] Jim's Challenge - Output 10
>>> (caesar cipher)
>>>
>>> Nice one Eileen! Solving it in Scratch sounds like a challenge.
>>>
>>> Has anyone considered trying it in a pure functional language?
>>>
>>> https://en.wikipedia.org/wiki/Functional_programming
>>> <https://nam10.safelinks.protection.outlook.com/?url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FFunctional_programming&data=02%7C01%7C%7Cbe8d0cc14e5245e5aa3808d86e04ed6a%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637380314727328950&sdata=h57KpB18orFr3DZDozsMp7Wuu3TI%2BAXKneLt2kXKMHE%3D&reserved=0>
>>>
>>>
>>> On Sun, 11 Oct 2020 at 09:35, Michelle Wiboltt <
>>> michellewiboltt at outlook.com> wrote:
>>>
>>> Is it a question of overthinking? Me, I see it as a question of “over”
>>> feeling things - on steroids, no less and from here/there,  building a
>>> “visual” conceptual foundation of these wonderfully warm feelings for all
>>> to see/feel/utilize AND understand.
>>>
>>> It kind of needs to contain our existing or newly conceived of “absolute
>>> love language”...like an and. And always conjoins so, what word, string,
>>> etc? always conjoins the all of the all of us...then, we mirror our
>>> movement with/by that spin around the world thing, same as our world,
>>> non?
>>>
>>> ------------------------------
>>> *From:* Projects <projects-bounces at vicpimakers.ca> on behalf of Eileen
>>> Amirault <cody.eileen at gmail.com>
>>> *Sent:* Sunday, October 11, 2020 9:23:54 AM
>>> *To:* Talk about Raspberry Pi / embeded projects <
>>> projects at vicpimakers.ca>
>>> *Subject:* Re: [VicPiMakers Projects] Jim's Challenge - Output 10
>>> (caesar cipher)
>>>
>>> Hey everyone,
>>>
>>> Just solved challenge #1 using Scratch. Hope the new ‘Test’ data will
>>> work just as well. Intend on showing you what I did at the end of my
>>> presentation on Oct 24.
>>>
>>> Have a nice week,
>>> Eileen
>>>
>>> On Oct 11, 2020, at 9:15 AM, Michelle Wiboltt <
>>> michellewiboltt at outlook.com> wrote:
>>>
>>> Ok, but there IS a watermark? thing...so, this needs to be illustrated
>>> meaning, if we’re creating a love �� language we want that to show in its
>>> entirety AND if “bad” people “break” in...aren’t they just asking to be
>>> included? wouldn’t it be a wanting but not knowing how to be a part of this
>>> fabulousity that is the (our) language of love �� So, if they “break” in
>>> doesn’t it stand to reason they were left out. Isn’t that our bad?
>>>
>>> Also, a language of love would have to be, would need to, continually
>>> fortified in order for it to remain foundation-ally strong, right white
>>> lights? And, its strength comes from our ever evolving
>>> understanding/feeling/sensing/knowing of what our hearts are truly capable
>>> of and then, illustrating this in the majesty that WILL be our code that
>>> You all create, see?
>>>
>>> Also, just a thought, what about that bit coin spin around the world tor
>>> thing...if we built our foundation on something like this wouldn’t this
>>> keep any nasty extraterrestrials at bay but wouldn’t it also, keep us ALL
>>> contained herein, safely.
>>> m
>>>
>>> ------------------------------
>>> *From:* Projects <projects-bounces at vicpimakers.ca> on behalf of Patrick
>>> McMorris <patrick at mcmorris.ca>
>>> *Sent:* Sunday, October 11, 2020 8:34:44 AM
>>> *To:* Talk about Raspberry Pi / embeded projects <
>>> projects at vicpimakers.ca>
>>> *Subject:* Re: [VicPiMakers Projects] Jim's Challenge - Output 10
>>> (caesar cipher)
>>>
>>> I agree it's not that clear.
>>>
>>> If the goal to be able to simply run the existing code on new input
>>> bytes then yes, "BIOPSY" is always the decrypted word since the byte array
>>> is the only given input. If the word changes, that hasn't been specified
>>> where that input would come from. So, either it doesn't change or the
>>> description of the second input is missing.
>>>
>>> But using a hard-coded word doesn't sound terribly interesting to code
>>> up. You could still write your key finding function to accept two strings
>>> of equal length and output the required caesar key. Then for question #10,
>>> call it with the word you extract from the input array and the hard-coded
>>> target word and write the output key. Then the problem is hard-coded but
>>> your code is more generic.
>>>
>>>
>>> Patrick
>>>
>>> On Sun., Oct. 11, 2020, 8:01 a.m. Greg H, <greg.horie at gmail.com> wrote:
>>>
>>> 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.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
>>> <https://nam10.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.elb1b69.net%2F&data=02%7C01%7C%7Cbe8d0cc14e5245e5aa3808d86e04ed6a%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637380314727328950&sdata=LwqWQoRGJqX8ioMprkuE9VwBOb3JfvgsIpAG0kxAYFs%3D&reserved=0>
>>> 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
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>>>
>>>
>>>
>>> --
>>> George Bowden, vice president, Victoria Computer Club
>>> gtbowdeng at gmail.com
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>>>
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>> --
>> Projects mailing list
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>>
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> Projects mailing list
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>
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