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Diffstat (limited to 'src/CompleteEdwardsCurve')
| -rw-r--r-- | src/CompleteEdwardsCurve/ExtendedCoordinates.v | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/CompleteEdwardsCurve/ExtendedCoordinates.v b/src/CompleteEdwardsCurve/ExtendedCoordinates.v index 96365084c..44033097d 100644 --- a/src/CompleteEdwardsCurve/ExtendedCoordinates.v +++ b/src/CompleteEdwardsCurve/ExtendedCoordinates.v @@ -181,6 +181,14 @@ Section ExtendedCoordinates. unfold rep in *; intuition. Qed. + Lemma unifiedAddM1_correct : forall P Q, mkExtendedPoint (E.add P Q) === unifiedAddM1 (mkExtendedPoint P) (mkExtendedPoint Q). + Proof. + unfold equiv, extendedPoint_eq; intros; + pose proof unifiedAddM1_rep (mkExtendedPoint P) (mkExtendedPoint Q); + pose proof unExtendedPoint_mkExtendedPoint; + congruence. + Qed. + Global Instance Proper_unifiedAddM1 : Proper (equiv==>equiv==>equiv) unifiedAddM1. Proof. repeat (econstructor || intro). |