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@ -34,7 +34,7 @@ use std::io::{self, Read, Write};
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/// An "engine" is a collection of types (fields, elliptic curve groups, etc.)
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/// with well-defined relationships. In particular, the G1/G2 curve groups are
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/// of prime order `r`, and are equipped with a bilinear pairing function.
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pub trait Engine: Sized + 'static |
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pub trait Engine: Sized + 'static + Clone |
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{ |
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/// This is the scalar field of the G1/G2 groups.
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type Fr: PrimeField; |
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