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I am seeing these mysterious messages posted on my profile by a stranger who claims to be intelligent, essentially stalking me online. They know I work in information security and might just be messing with my head. But I'm curious to know if there is even a hint of a pattern in these cipher texts.

Ciphertexts follow:

  • jakaldhk
  • jkasjkal
  • jakslajdk
  • jkjslksa
  • jklasdskj
  • jakslakj
  • jkasjk
  • jakdlfj
  • kjakls
  • jkaslk
  • jkalskdj
  • jakkdldk
  • jaksldjk
  • ...

...and so it goes. I apologize if you think this question is not appropriate for this community but this person has been consistently posting these messages on my profile for more than a year now.

Here's what I have so far:

  • All of these cipher text characters belong to this character set: a,s,d,f,j,k,l
  • These letters are keys on the middle line of the keyboard, the line of keys on the keyboard that starts with a,s,d,f ...
  • None of these cipher texts repeat, so this person is keeping track of what they have used before? That could imply they are simply trying to generate all possible combinations of those keys in that character set: a,s,d,f,j,k,l

Please let me know if you notice any pattern or anything else that I have overlooked. Would you agree that they are just posting random combinations of certain characters on my profile to seem mysterious while there is no real pattern or decryption algorithm?

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closed as off-topic by yyyyyyy, otus, Ilmari Karonen, cygnusv, CodesInChaos Feb 1 '17 at 9:31

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