Timeline for Compacting a substitution cipher key
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
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| May 24, 2015 at 20:34 | answer | added | poncho | timeline score: 2 | |
| May 24, 2015 at 20:25 | comment | added | Maarten Bodewes♦ | OK, now it is a random permutation from ${\{0,1\}}^3$ to ${\{0,1\}}^3$, helped you a bit with the edit. I presume any random permutation is allowed. | |
| May 24, 2015 at 20:24 | history | edited | Maarten Bodewes♦ | CC BY-SA 3.0 |
added 76 characters in body
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| May 24, 2015 at 20:18 | comment | added | user24664 | Maarten Bodewes, my key example was unfortunate... I changed there to a random mapping | |
| May 24, 2015 at 20:17 | history | edited | user24664 | CC BY-SA 3.0 |
The previous cipher's key example was inducing to think that the key was a XOR
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| May 24, 2015 at 20:09 | comment | added | Maarten Bodewes♦ |
That's not a key, that's a permutation from ${\{0,1}\}^3$ to ${\{0,1\}}^3$. And it is identical to performing XOR with 1 for each bit, also known as a bit complement.
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| May 24, 2015 at 20:06 | review | First posts | |||
| May 24, 2015 at 22:59 | |||||
| May 24, 2015 at 20:04 | history | asked | user24664 | CC BY-SA 3.0 |