test: add sm3 low level test case to test suite.

Reviewed-by: Paul Yang <kaishen.yy@antfin.com>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14271)

1 files changed, 84 insertions, 0 deletions

diff --git a/test/sm3_internal_test.c b/test/sm3_internal_test.c
new file mode 100644
index 0000000..a92da80
--- /dev/null
+++ b/test/sm3_internal_test.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2021 UnionTech. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/*
+ * Internal tests for the SM3 module.
+ */
+
+#include <string.h>
+#include <openssl/opensslconf.h>
+#include "testutil.h"
+
+#ifndef OPENSSL_NO_SM3
+# include "internal/sm3.h"
+
+static int test_sm3(void)
+{
+    static const unsigned char input1[] = {
+        0x61, 0x62, 0x63
+    };
+
+    /*
+     * This test vector comes from Example 1 (A.1) of GM/T 0004-2012
+     */
+    static const unsigned char expected1[SM3_DIGEST_LENGTH] = {
+        0x66, 0xc7, 0xf0, 0xf4, 0x62, 0xee, 0xed, 0xd9,
+        0xd1, 0xf2, 0xd4, 0x6b, 0xdc, 0x10, 0xe4, 0xe2,
+        0x41, 0x67, 0xc4, 0x87, 0x5c, 0xf2, 0xf7, 0xa2,
+        0x29, 0x7d, 0xa0, 0x2b, 0x8f, 0x4b, 0xa8, 0xe0
+    };
+
+    static const unsigned char input2[] = {
+        0x61, 0x62, 0x63, 0x64, 0x61, 0x62, 0x63, 0x64,
+        0x61, 0x62, 0x63, 0x64, 0x61, 0x62, 0x63, 0x64,
+        0x61, 0x62, 0x63, 0x64, 0x61, 0x62, 0x63, 0x64,
+        0x61, 0x62, 0x63, 0x64, 0x61, 0x62, 0x63, 0x64,
+        0x61, 0x62, 0x63, 0x64, 0x61, 0x62, 0x63, 0x64,
+        0x61, 0x62, 0x63, 0x64, 0x61, 0x62, 0x63, 0x64,
+        0x61, 0x62, 0x63, 0x64, 0x61, 0x62, 0x63, 0x64,
+        0x61, 0x62, 0x63, 0x64, 0x61, 0x62, 0x63, 0x64
+    };
+
+    /*
+     * This test vector comes from Example 2 (A.2) from GM/T 0004-2012
+     */
+    static const unsigned char expected2[SM3_DIGEST_LENGTH] = {
+        0xde, 0xbe, 0x9f, 0xf9, 0x22, 0x75, 0xb8, 0xa1,
+        0x38, 0x60, 0x48, 0x89, 0xc1, 0x8e, 0x5a, 0x4d,
+        0x6f, 0xdb, 0x70, 0xe5, 0x38, 0x7e, 0x57, 0x65,
+        0x29, 0x3d, 0xcb, 0xa3, 0x9c, 0x0c, 0x57, 0x32
+    };
+
+    SM3_CTX ctx1, ctx2;
+    unsigned char md1[SM3_DIGEST_LENGTH], md2[SM3_DIGEST_LENGTH];
+
+    if (!TEST_true(sm3_init(&ctx1))
+            || !TEST_true(sm3_update(&ctx1, input1, sizeof(input1)))
+            || !TEST_true(sm3_final(md1, &ctx1))
+            || !TEST_mem_eq(md1, SM3_DIGEST_LENGTH, expected1, SM3_DIGEST_LENGTH))
+        return 0;
+
+    if (!TEST_true(sm3_init(&ctx2))
+            || !TEST_true(sm3_update(&ctx2, input2, sizeof(input2)))
+            || !TEST_true(sm3_final(md2, &ctx2))
+            || !TEST_mem_eq(md2, SM3_DIGEST_LENGTH, expected2, SM3_DIGEST_LENGTH))
+        return 0;
+
+    return 1;
+}
+#endif
+
+int setup_tests(void)
+{
+#ifndef OPENSSL_NO_SM3
+    ADD_TEST(test_sm3);
+#endif
+    return 1;
+}