1 files changed, 104 insertions, 0 deletions
diff --git a/tests/vb2_crypto_tests.c b/tests/vb2_crypto_tests.c
new file mode 100644
index 00000000..c7d66760
--- /dev/null
+++ b/tests/vb2_crypto_tests.c
@@ -0,0 +1,104 @@
+/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Tests for generic crypto algorithm helper stuff.
+ */
+
+#include <stdio.h>
+
+#include "2crypto.h"
+#include "2return_codes.h"
+#include "2rsa.h"
+#include "2sha.h"
+#include "2sysincludes.h"
+#include "test_common.h"
+#include "vboot_host.h"
+
+static void hash_algorithm_name_tests(void)
+{
+	enum vb2_hash_algorithm alg;
+	char test_name[256];
+
+	for (alg = 0; alg < VB2_HASH_ALG_COUNT; alg++) {
+		sprintf(test_name, "%s (alg=%d)",
+			vb2_get_hash_algorithm_name(alg), alg);
+		TEST_STR_NEQ(vb2_get_hash_algorithm_name(alg),
+			     VB2_INVALID_ALG_NAME, test_name);
+	}
+
+	TEST_STR_EQ(vb2_get_hash_algorithm_name(VB2_HASH_ALG_COUNT),
+		    VB2_INVALID_ALG_NAME, "hash alg name out of range");
+}
+
+static void sig_algorithm_name_tests(void)
+{
+	enum vb2_signature_algorithm alg;
+	char test_name[256];
+
+	for (alg = 1; alg < VB2_SIG_ALG_COUNT; alg++) {
+		sprintf(test_name, "%s (alg=%d)",
+			vb2_get_sig_algorithm_name(alg), alg);
+		TEST_STR_NEQ(vb2_get_sig_algorithm_name(alg),
+			     VB2_INVALID_ALG_NAME, test_name);
+	}
+
+	TEST_STR_EQ(vb2_get_sig_algorithm_name(VB2_SIG_INVALID),
+		    VB2_INVALID_ALG_NAME, "sig alg name invalid");
+	TEST_STR_EQ(vb2_get_sig_algorithm_name(VB2_SIG_ALG_COUNT),
+		    VB2_INVALID_ALG_NAME, "sig alg name out of range");
+}
+
+static void hash_algorithm_lookup_tests(void)
+{
+	enum vb2_hash_algorithm alg, out;
+	char test_name[256];
+
+	for (alg = 1; alg < VB2_HASH_ALG_COUNT; alg++) {
+		sprintf(test_name, "%s (alg=%d)",
+			vb2_get_hash_algorithm_name(alg), alg);
+		TEST_EQ(vb2_lookup_hash_alg(vb2_get_hash_algorithm_name(alg),
+			&out), 1, test_name);
+		TEST_EQ(out, alg, "  algorithm correct");
+	}
+
+	TEST_EQ(vb2_lookup_hash_alg(VB2_INVALID_ALG_NAME, &out), 0,
+		"invalid algorithm cannot be parsed");
+	TEST_EQ(vb2_lookup_hash_alg("RSA1024", &out), 0,
+		"cannot parse hash  as signature");
+	TEST_EQ(vb2_lookup_hash_alg("shA512", &out), 1,
+		"case insensitivity spot check");
+	TEST_EQ(out, VB2_HASH_SHA512, "  algorithm correct");
+}
+
+static void sig_algorithm_lookup_tests(void)
+{
+	enum vb2_signature_algorithm alg, out;
+	char test_name[256];
+
+	for (alg = 1; alg < VB2_SIG_ALG_COUNT; alg++) {
+		sprintf(test_name, "%s (alg=%d)",
+			vb2_get_sig_algorithm_name(alg), alg);
+		TEST_EQ(vb2_lookup_sig_alg(vb2_get_sig_algorithm_name(alg),
+			&out), 1, test_name);
+		TEST_EQ(out, alg, "  algorithm correct");
+	}
+
+	TEST_EQ(vb2_lookup_sig_alg(VB2_INVALID_ALG_NAME, &out), 0,
+		"invalid algorithm cannot be parsed");
+	TEST_EQ(vb2_lookup_sig_alg("SHA256", &out), 0,
+		"cannot parse signature as hash");
+	TEST_EQ(vb2_lookup_sig_alg("rSa2048", &out), 1,
+		"case insensitivity spot check");
+	TEST_EQ(out, VB2_SIG_RSA2048, "  algorithm correct");
+}
+
+int main(int argc, char *argv[])
+{
+	hash_algorithm_name_tests();
+	sig_algorithm_name_tests();
+	hash_algorithm_lookup_tests();
+	sig_algorithm_lookup_tests();
+
+	return gTestSuccess ? 0 : 255;
+}