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We know in term of security level, ECC key is stronger than RSA , 160 bit ECC equivalent to 1024 bit key in RSA. If I can generate constant secret key based on RSA is that mean my scheme performance could be better than the scheme based on ECC ?

Thanks

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    $\begingroup$ ...what? All those words are meaningful on their own, but I can't make any sense of what you're actually trying to ask. $\endgroup$ – Ilmari Karonen Jun 16 '17 at 11:09
  • $\begingroup$ if we have ABE scheme that generate constant secret key then, I can skip the advantage of ECC in term of less key size ? Hopefully the idea of the question become more clear. $\endgroup$ – MOBT Jun 16 '17 at 18:53
  • $\begingroup$ What do you mean by "constant secret key"? $\endgroup$ – user47922 Jul 2 '17 at 5:57
  • $\begingroup$ I mean the secret key is constant so it does not effect by different parameters like number of attribute so it is always same size. $\endgroup$ – MOBT Aug 7 '17 at 16:50
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Depending on your definition of constant a constant secret key is either just a secret key or not secret. One case doesn't change anything the other is not useful.

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