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Timeline for Cycles in SHA-256

Current License: CC BY-SA 3.0

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Aug 7, 2016 at 1:06 history post merged (destination)
Aug 4, 2016 at 8:24 comment added otus @RickyDemer, sorry, yeah I read the question a bit quickly - it's asking both. So, to complete the answer: the above is the time until you fall into a loop, but it is not necessarily one that includes the initial value (as the second code is looking for).
Aug 4, 2016 at 8:16 comment added user991 @otus : ​ For that, it would depend on whether "times" refers to "evaluating the hash" or "choosing an original text". ​ ​ ​ ​
Aug 4, 2016 at 3:12 history edited user991 CC BY-SA 3.0
gave random-function average
Aug 4, 2016 at 2:19 comment added Richard M. Stroup Let me correct my question: How many attempts, on average, would this take?
Aug 4, 2016 at 1:22 history answered user991 CC BY-SA 3.0