extract sswu to hash2curve repo (#41)

Signed-off-by: bytemare <[email protected]>
bytemare · Apr 21, 2023 · b51f99f · b51f99f
1 parent c102921
commit b51f99f
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Showing 2 changed files with 1 addition and 54 deletions.
diff --git a/internal/h2c/sswu.go b/internal/h2c/sswu.go
diff --git a/internal/nist/curve.go b/internal/nist/curve.go
@@ -15,7 +15,6 @@ import (
 	"github.com/bytemare/hash2curve"
 
 	"github.com/bytemare/crypto/internal/field"
-	"github.com/bytemare/crypto/internal/h2c"
 )
 
 type mapping struct {
@@ -59,7 +58,7 @@ func (c *curve[point]) hashXMD(input, dst []byte) point {
 }
 
 func (c *curve[point]) map2curve(fe *big.Int) point {
-	x, y := h2c.MapToCurveSSWU(&c.field, &nistWa, &c.b, &c.z, fe)
+	x, y := hash2curve.MapToCurveSSWU(&nistWa, &c.b, &c.z, fe, c.field.Order())
 	return c.affineToPoint(x, y)
 }