Find the result of this dual key cipher












2












$begingroup$


I came up with a neat little cipher that I'm calling the dual key cipher. The basic premise is that there are two cipher keys that, when used together can decode the cipher text against a given alphabet. Here is a basic example.



Key 1: CAT
Key 2: DOG
Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ
Cipher Text: ISA


The result would be:




HEN




Can you solve for this one? Bonus points for showing your work.



Puzzle 1 
Key 1: FISH
Key 2: DUCK
Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ
Cipher Text: ZUBG


Additional (off-topic) questions: Does anyone know if this type of cipher exists and if it has an official name? I've developed an algorithm that does this at a massive scale and wanted to know if anyone finds it interesting. Here is a somewhat more difficult version using my algorithm.



Puzzle 2 
Key 1: Chocolate
Key 2: Strawberry
Alphabet: abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
Cipher Text: lmqgtbeyVXPERdpbX



Hint: The space between "z A" is part of this "alphabet".











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$endgroup$

















    2












    $begingroup$


    I came up with a neat little cipher that I'm calling the dual key cipher. The basic premise is that there are two cipher keys that, when used together can decode the cipher text against a given alphabet. Here is a basic example.



    Key 1: CAT
    Key 2: DOG
    Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ
    Cipher Text: ISA


    The result would be:




    HEN




    Can you solve for this one? Bonus points for showing your work.



    Puzzle 1 
    Key 1: FISH
    Key 2: DUCK
    Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ
    Cipher Text: ZUBG


    Additional (off-topic) questions: Does anyone know if this type of cipher exists and if it has an official name? I've developed an algorithm that does this at a massive scale and wanted to know if anyone finds it interesting. Here is a somewhat more difficult version using my algorithm.



    Puzzle 2 
    Key 1: Chocolate
    Key 2: Strawberry
    Alphabet: abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
    Cipher Text: lmqgtbeyVXPERdpbX



    Hint: The space between "z A" is part of this "alphabet".











    share|improve this question







    New contributor




    tremor is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$















      2












      2








      2


      1



      $begingroup$


      I came up with a neat little cipher that I'm calling the dual key cipher. The basic premise is that there are two cipher keys that, when used together can decode the cipher text against a given alphabet. Here is a basic example.



      Key 1: CAT
      Key 2: DOG
      Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ
      Cipher Text: ISA


      The result would be:




      HEN




      Can you solve for this one? Bonus points for showing your work.



      Puzzle 1 
      Key 1: FISH
      Key 2: DUCK
      Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ
      Cipher Text: ZUBG


      Additional (off-topic) questions: Does anyone know if this type of cipher exists and if it has an official name? I've developed an algorithm that does this at a massive scale and wanted to know if anyone finds it interesting. Here is a somewhat more difficult version using my algorithm.



      Puzzle 2 
      Key 1: Chocolate
      Key 2: Strawberry
      Alphabet: abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
      Cipher Text: lmqgtbeyVXPERdpbX



      Hint: The space between "z A" is part of this "alphabet".











      share|improve this question







      New contributor




      tremor is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      I came up with a neat little cipher that I'm calling the dual key cipher. The basic premise is that there are two cipher keys that, when used together can decode the cipher text against a given alphabet. Here is a basic example.



      Key 1: CAT
      Key 2: DOG
      Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ
      Cipher Text: ISA


      The result would be:




      HEN




      Can you solve for this one? Bonus points for showing your work.



      Puzzle 1 
      Key 1: FISH
      Key 2: DUCK
      Alphabet: ABCDEFGHIJKLMNOPQRSTUVWXYZ
      Cipher Text: ZUBG


      Additional (off-topic) questions: Does anyone know if this type of cipher exists and if it has an official name? I've developed an algorithm that does this at a massive scale and wanted to know if anyone finds it interesting. Here is a somewhat more difficult version using my algorithm.



      Puzzle 2 
      Key 1: Chocolate
      Key 2: Strawberry
      Alphabet: abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
      Cipher Text: lmqgtbeyVXPERdpbX



      Hint: The space between "z A" is part of this "alphabet".








      cipher pattern puzzle-creation algorithm puzzle-history






      share|improve this question







      New contributor




      tremor is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      tremor is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






      New contributor




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      asked 2 hours ago









      tremortremor

      3066




      3066




      New contributor




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      New contributor





      tremor is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






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      Check out our Code of Conduct.






















          1 Answer
          1






          active

          oldest

          votes


















          3












          $begingroup$

          The results for both puzzles are:




          BIRD




          and an incomplete one:




          vanilla ...




          The cipher is a variant of:




          Vigenere Cipher




          But:




          Instead of using 1 key, it uses 2 keys. The result can be found by original Vigenere Cipher by this step:

          - Let Key 3 be equal to deciphering Key 2 with Passphrase of Key 1

          - The result will be equal to deciphering the Cipher Text with Passphrase of Key 3




          A note for the alphabets:




          Instead of using simple order from A to Z, we can change the order with specified Alphabet. But deciphering this needs a computer program or some works with hands.. I'm sorry I'm too lazy to solve the Puzzle 2 because of this.. ><







          share|improve this answer









          $endgroup$













          • $begingroup$
            Worth an upvote for being close.
            $endgroup$
            – tremor
            1 hour ago












          Your Answer





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          1 Answer
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          1 Answer
          1






          active

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          active

          oldest

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          active

          oldest

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          3












          $begingroup$

          The results for both puzzles are:




          BIRD




          and an incomplete one:




          vanilla ...




          The cipher is a variant of:




          Vigenere Cipher




          But:




          Instead of using 1 key, it uses 2 keys. The result can be found by original Vigenere Cipher by this step:

          - Let Key 3 be equal to deciphering Key 2 with Passphrase of Key 1

          - The result will be equal to deciphering the Cipher Text with Passphrase of Key 3




          A note for the alphabets:




          Instead of using simple order from A to Z, we can change the order with specified Alphabet. But deciphering this needs a computer program or some works with hands.. I'm sorry I'm too lazy to solve the Puzzle 2 because of this.. ><







          share|improve this answer









          $endgroup$













          • $begingroup$
            Worth an upvote for being close.
            $endgroup$
            – tremor
            1 hour ago
















          3












          $begingroup$

          The results for both puzzles are:




          BIRD




          and an incomplete one:




          vanilla ...




          The cipher is a variant of:




          Vigenere Cipher




          But:




          Instead of using 1 key, it uses 2 keys. The result can be found by original Vigenere Cipher by this step:

          - Let Key 3 be equal to deciphering Key 2 with Passphrase of Key 1

          - The result will be equal to deciphering the Cipher Text with Passphrase of Key 3




          A note for the alphabets:




          Instead of using simple order from A to Z, we can change the order with specified Alphabet. But deciphering this needs a computer program or some works with hands.. I'm sorry I'm too lazy to solve the Puzzle 2 because of this.. ><







          share|improve this answer









          $endgroup$













          • $begingroup$
            Worth an upvote for being close.
            $endgroup$
            – tremor
            1 hour ago














          3












          3








          3





          $begingroup$

          The results for both puzzles are:




          BIRD




          and an incomplete one:




          vanilla ...




          The cipher is a variant of:




          Vigenere Cipher




          But:




          Instead of using 1 key, it uses 2 keys. The result can be found by original Vigenere Cipher by this step:

          - Let Key 3 be equal to deciphering Key 2 with Passphrase of Key 1

          - The result will be equal to deciphering the Cipher Text with Passphrase of Key 3




          A note for the alphabets:




          Instead of using simple order from A to Z, we can change the order with specified Alphabet. But deciphering this needs a computer program or some works with hands.. I'm sorry I'm too lazy to solve the Puzzle 2 because of this.. ><







          share|improve this answer









          $endgroup$



          The results for both puzzles are:




          BIRD




          and an incomplete one:




          vanilla ...




          The cipher is a variant of:




          Vigenere Cipher




          But:




          Instead of using 1 key, it uses 2 keys. The result can be found by original Vigenere Cipher by this step:

          - Let Key 3 be equal to deciphering Key 2 with Passphrase of Key 1

          - The result will be equal to deciphering the Cipher Text with Passphrase of Key 3




          A note for the alphabets:




          Instead of using simple order from A to Z, we can change the order with specified Alphabet. But deciphering this needs a computer program or some works with hands.. I'm sorry I'm too lazy to solve the Puzzle 2 because of this.. ><








          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 1 hour ago









          athinathin

          8,52222776




          8,52222776












          • $begingroup$
            Worth an upvote for being close.
            $endgroup$
            – tremor
            1 hour ago


















          • $begingroup$
            Worth an upvote for being close.
            $endgroup$
            – tremor
            1 hour ago
















          $begingroup$
          Worth an upvote for being close.
          $endgroup$
          – tremor
          1 hour ago




          $begingroup$
          Worth an upvote for being close.
          $endgroup$
          – tremor
          1 hour ago










          tremor is a new contributor. Be nice, and check out our Code of Conduct.










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