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Dmitry Vagner 2023-03-22 10:57:26 -07:00
parent 54b8ce74ab
commit 3425391a09
1 changed files with 7 additions and 2 deletions
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9
evm/src/extension_tower.rs
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@ -370,8 +370,13 @@ impl<T: FieldExt> Div for Fp2<T> {
} }
} }
/// Helper function which multiplies by the Fp2 element /// This trait defines the method which multiplies
/// whose cube root we will adjoin in the next extension /// by the Fp2 element t^3 whose cube root we will
/// adjoin in the subsequent cubic extension.
/// For BN254 this is 9+i, and for BLS381 it is 1+i.
/// It also defines the relevant FROB constants,
/// given by t^(p^n) and t^(p^2n) for various n,
/// used to compute the frobenius operations.
pub trait Adj: Sized { pub trait Adj: Sized {
fn mul_adj(self) -> Self; fn mul_adj(self) -> Self;
const FROB_T: [[Self; 6]; 2]; const FROB_T: [[Self; 6]; 2];