1 files changed, 76 insertions, 0 deletions
diff --git a/src/tests/elliptic_test.c b/src/tests/elliptic_test.c
new file mode 100644
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+++ b/src/tests/elliptic_test.c
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+/*
+ * Copyright (C) 2025 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ * You can also choose to distribute this program under the terms of
+ * the Unmodified Binary Distribution Licence (as given in the file
+ * COPYING.UBDL), provided that you have satisfied its requirements.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+/** @file
+ *
+ * Elliptic curve self-tests
+ *
+ */
+
+/* Forcibly enable assertions */
+#undef NDEBUG
+
+#include <stdint.h>
+#include <string.h>
+#include <assert.h>
+#include <ipxe/crypto.h>
+#include <ipxe/test.h>
+#include "elliptic_test.h"
+
+/**
+ * Report elliptic curve point multiplication test result
+ *
+ * @v test		Elliptic curve point multiplication test
+ * @v file		Test code file
+ * @v line		Test code line
+ */
+void elliptic_okx ( struct elliptic_test *test, const char *file,
+		    unsigned int line ) {
+	struct elliptic_curve *curve = test->curve;
+	size_t pointsize = curve->pointsize;
+	size_t keysize = curve->keysize;
+	uint8_t actual[pointsize];
+	int rc;
+
+	/* Sanity checks */
+	okx ( ( test->base_len == pointsize ) || ( ! test->base_len ),
+	      file, line );
+	okx ( test->scalar_len == keysize, file, line );
+	okx ( ( test->expected_len == pointsize ) || ( ! test->expected_len ),
+	      file, line );
+
+	/* Perform point multiplication */
+	rc = elliptic_multiply ( curve, ( test->base_len ? test->base : NULL ),
+				 test->scalar, actual );
+	if ( test->expected_len ) {
+		okx ( rc == 0, file, line );
+	} else {
+		okx ( rc != 0, file, line );
+	}
+
+	/* Check expected result */
+	okx ( memcmp ( actual, test->expected, test->expected_len ) == 0,
+	      file, line );
+}