1 files changed, 89 insertions, 0 deletions
diff --git a/lib/freebl/ecl/ecl_curve.c b/lib/freebl/ecl/ecl_curve.c
new file mode 100644
index 000000000..192dab126
--- /dev/null
+++ b/lib/freebl/ecl/ecl_curve.c
@@ -0,0 +1,89 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "ecl.h"
+#include "ecl-curve.h"
+#include "ecl-priv.h"
+#include <stdlib.h>
+#include <string.h>
+
+#define CHECK(func) if ((func) == NULL) { res = 0; goto CLEANUP; }
+
+/* Duplicates an ECCurveParams */
+ECCurveParams *
+ECCurveParams_dup(const ECCurveParams * params)
+{
+	int res = 1;
+	ECCurveParams *ret = NULL;
+
+	CHECK(ret = (ECCurveParams *) calloc(1, sizeof(ECCurveParams)));
+	if (params->text != NULL) {
+		CHECK(ret->text = strdup(params->text));
+	}
+	ret->field = params->field;
+	ret->size = params->size;
+	if (params->irr != NULL) {
+		CHECK(ret->irr = strdup(params->irr));
+	}
+	if (params->curvea != NULL) {
+		CHECK(ret->curvea = strdup(params->curvea));
+	}
+	if (params->curveb != NULL) {
+		CHECK(ret->curveb = strdup(params->curveb));
+	}
+	if (params->genx != NULL) {
+		CHECK(ret->genx = strdup(params->genx));
+	}
+	if (params->geny != NULL) {
+		CHECK(ret->geny = strdup(params->geny));
+	}
+	if (params->order != NULL) {
+		CHECK(ret->order = strdup(params->order));
+	}
+	ret->cofactor = params->cofactor;
+
+  CLEANUP:
+	if (res != 1) {
+		EC_FreeCurveParams(ret);
+		return NULL;
+	}
+	return ret;
+}
+
+#undef CHECK
+
+/* Construct ECCurveParams from an ECCurveName */
+ECCurveParams *
+EC_GetNamedCurveParams(const ECCurveName name)
+{
+	if ((name <= ECCurve_noName) || (ECCurve_pastLastCurve <= name) ||
+					(ecCurve_map[name] == NULL)) {
+		return NULL;
+	} else {
+		return ECCurveParams_dup(ecCurve_map[name]);
+	}
+}
+
+/* Free the memory allocated (if any) to an ECCurveParams object. */
+void
+EC_FreeCurveParams(ECCurveParams * params)
+{
+	if (params == NULL)
+		return;
+	if (params->text != NULL)
+		free(params->text);
+	if (params->irr != NULL)
+		free(params->irr);
+	if (params->curvea != NULL)
+		free(params->curvea);
+	if (params->curveb != NULL)
+		free(params->curveb);
+	if (params->genx != NULL)
+		free(params->genx);
+	if (params->geny != NULL)
+		free(params->geny);
+	if (params->order != NULL)
+		free(params->order);
+	free(params);
+}