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As we can generate a permuted sequence using KEY in KSA (Key Scheduling Algo) of RC4. Is there any way to check the randomness of the permuted sequence? Let say I created 100 different permuted sequences of range 256 {0,1,,2,...255} using 100 different keys. Now, I need to check either all 100 sequences have any relation with each other or they are random. The NIST statistical test suit is for bit-stream not for integers as far as I know. Please, correct me if I am wrong.

EDITED: Let say I have a sequence: {1,2,3,4,5,6,7,8,9,10} I use KSA to get the permuted version as: Let say key="pass123" it gives -> {3,7,2,9,1,4,6,10,8,5} Let say another key="test123" gives -> {9,2,6,1,5,8,3,10,7,4} and similarly another key gives another such sequence and so on... Now I need to check either there are some relations between the generated seemingly random sequences or not. And also I need another algo which can generate such like random sequences. Hopefully the query is much clear now!!

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