add back incorrectly deleted files

1 files changed, 39 insertions, 0 deletions

diff --git a/src/Specific/X2555/C128/CurveParameters.v b/src/Specific/X2555/C128/CurveParameters.v
new file mode 100644
index 000000000..1171f7583
--- /dev/null
+++ b/src/Specific/X2555/C128/CurveParameters.v
@@ -0,0 +1,39 @@
+Require Import Crypto.Specific.Framework.RawCurveParameters.
+Require Import Crypto.Util.LetIn.
+
+(***
+Modulus : 2^255-5
+Base: 130
+***)
+
+Definition curve : CurveParameters :=
+  {|
+    sz := 3%nat;
+    base := 130;
+    bitwidth := 128;
+    s := 2^255;
+    c := [(1, 5)];
+    carry_chains := Some [seq 0 (pred 3); [0; 1]]%nat;
+
+    a24 := Some (121665 (* XXX TODO(andreser) FIXME?  Is this right for this curve? *));
+    coef_div_modulus := Some 2%nat;
+
+    goldilocks := None;
+    karatsuba := None;
+    montgomery := false;
+    freeze := Some false;
+    ladderstep := true;
+
+    mul_code := None;
+
+    square_code := None;
+
+    upper_bound_of_exponent_loose := None;
+    upper_bound_of_exponent_tight := None;
+    allowable_bit_widths := None;
+    freeze_extra_allowable_bit_widths := None;
+    modinv_fuel := None
+  |}.
+
+Ltac extra_prove_mul_eq _ := idtac.
+Ltac extra_prove_square_eq _ := idtac.