summaryrefslogtreecommitdiffstats
path: root/test
diff options
context:
space:
mode:
authorMatt Caswell <matt@openssl.org>2020-05-27 12:40:24 +0200
committerMatt Caswell <matt@openssl.org>2020-06-10 13:58:26 +0200
commita370ff8daa31f5030fb12e298730bbecf69c7e09 (patch)
tree38e3ca03481ee3a47a9623c48988e1dd861f4262 /test
parentCorrectly handle the return value from EVP_Cipher() in the CMAC code (diff)
downloadopenssl-a370ff8daa31f5030fb12e298730bbecf69c7e09.tar.xz
openssl-a370ff8daa31f5030fb12e298730bbecf69c7e09.zip
Add a CMAC test
We did not have a test of the low level CMAC APIs so we add one. This is heavily based on the HMAC test. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/11972)
Diffstat (limited to 'test')
-rw-r--r--test/build.info9
-rw-r--r--test/cmactest.c216
-rw-r--r--test/recipes/05-test_cmac.t12
3 files changed, 237 insertions, 0 deletions
diff --git a/test/build.info b/test/build.info
index b98d1b52cc..de4f2fc270 100644
--- a/test/build.info
+++ b/test/build.info
@@ -514,6 +514,9 @@ IF[{- !$disabled{tests} -}]
IF[{- !$disabled{ec} -}]
PROGRAMS{noinst}=ec_internal_test curve448_internal_test
ENDIF
+ IF[{- !$disabled{cmac} -}]
+ PROGRAMS{noinst}=cmactest
+ ENDIF
SOURCE[poly1305_internal_test]=poly1305_internal_test.c
INCLUDE[poly1305_internal_test]=.. ../include ../apps/include
@@ -587,6 +590,12 @@ IF[{- !$disabled{tests} -}]
INCLUDE[hmactest]=../include ../apps/include
DEPEND[hmactest]=../libcrypto.a libtestutil.a
+ IF[{- !$disabled{cmac} -}]
+ SOURCE[cmactest]=cmactest.c
+ INCLUDE[cmactest]=../include ../apps/include
+ DEPEND[cmactest]=../libcrypto.a libtestutil.a
+ ENDIF
+
SOURCE[siphash_internal_test]=siphash_internal_test.c
INCLUDE[siphash_internal_test]=.. ../include ../apps/include
DEPEND[siphash_internal_test]=../libcrypto.a libtestutil.a
diff --git a/test/cmactest.c b/test/cmactest.c
new file mode 100644
index 0000000000..cb2b273b0f
--- /dev/null
+++ b/test/cmactest.c
@@ -0,0 +1,216 @@
+/*
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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
+ */
+
+/*
+ * CMAC low level APIs are deprecated for public use, but still ok for internal
+ * use.
+ */
+#include "internal/deprecated.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "internal/nelem.h"
+
+#include <openssl/cmac.h>
+#include <openssl/aes.h>
+#include <openssl/evp.h>
+
+#include "testutil.h"
+
+static const char xtskey[32] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
+ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
+};
+
+static struct test_st {
+ const char key[32];
+ int key_len;
+ const unsigned char data[64];
+ int data_len;
+ const char *mac;
+} test[3] = {
+ {
+ {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
+ 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
+ },
+ 16,
+ "My test data",
+ 12,
+ "29cec977c48f63c200bd5c4a6881b224"
+ },
+ {
+ {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
+ 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
+ 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
+ },
+ 32,
+ "My test data",
+ 12,
+ "db6493aa04e4761f473b2b453c031c9a"
+ },
+ {
+ {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
+ 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
+ 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
+ },
+ 32,
+ "My test data again",
+ 18,
+ "65c11c75ecf590badd0a5e56cbb8af60"
+ },
+};
+
+static char *pt(unsigned char *md, unsigned int len);
+
+static int test_cmac_bad(void)
+{
+ CMAC_CTX *ctx = NULL;
+ int ret = 0;
+
+ ctx = CMAC_CTX_new();
+ if (!TEST_ptr(ctx)
+ || !TEST_false(CMAC_Init(ctx, NULL, 0, NULL, NULL))
+ || !TEST_false(CMAC_Update(ctx, test[0].data, test[0].data_len))
+ /* Should be able to pass cipher first, and then key */
+ || !TEST_true(CMAC_Init(ctx, NULL, 0, EVP_aes_128_cbc(), NULL))
+ /* Must have a key */
+ || !TEST_false(CMAC_Update(ctx, test[0].data, test[0].data_len))
+ /* Now supply the key */
+ || !TEST_true(CMAC_Init(ctx, test[0].key, test[0].key_len, NULL, NULL))
+ /* Update should now work */
+ || !TEST_true(CMAC_Update(ctx, test[0].data, test[0].data_len))
+ /* XTS is not a suitable cipher to use */
+ || !TEST_false(CMAC_Init(ctx, xtskey, sizeof(xtskey), EVP_aes_128_xts(),
+ NULL))
+ || !TEST_false(CMAC_Update(ctx, test[0].data, test[0].data_len)))
+ goto err;
+
+ ret = 1;
+err:
+ CMAC_CTX_free(ctx);
+ return ret;
+}
+
+static int test_cmac_run(void)
+{
+ char *p;
+ CMAC_CTX *ctx = NULL;
+ unsigned char buf[AES_BLOCK_SIZE];
+ size_t len;
+ int ret = 0;
+
+ ctx = CMAC_CTX_new();
+
+ if (!TEST_true(CMAC_Init(ctx, test[0].key, test[0].key_len,
+ EVP_aes_128_cbc(), NULL))
+ || !TEST_true(CMAC_Update(ctx, test[0].data, test[0].data_len))
+ || !TEST_true(CMAC_Final(ctx, buf, &len)))
+ goto err;
+
+ p = pt(buf, len);
+ if (!TEST_str_eq(p, test[0].mac))
+ goto err;
+
+ if (!TEST_true(CMAC_Init(ctx, test[1].key, test[1].key_len,
+ EVP_aes_256_cbc(), NULL))
+ || !TEST_true(CMAC_Update(ctx, test[1].data, test[1].data_len))
+ || !TEST_true(CMAC_Final(ctx, buf, &len)))
+ goto err;
+
+ p = pt(buf, len);
+ if (!TEST_str_eq(p, test[1].mac))
+ goto err;
+
+ if (!TEST_true(CMAC_Init(ctx, test[2].key, test[2].key_len, NULL, NULL))
+ || !TEST_true(CMAC_Update(ctx, test[2].data, test[2].data_len))
+ || !TEST_true(CMAC_Final(ctx, buf, &len)))
+ goto err;
+ p = pt(buf, len);
+ if (!TEST_str_eq(p, test[2].mac))
+ goto err;
+ /* Test reusing a key */
+ if (!TEST_true(CMAC_Init(ctx, NULL, 0, NULL, NULL))
+ || !TEST_true(CMAC_Update(ctx, test[2].data, test[2].data_len))
+ || !TEST_true(CMAC_Final(ctx, buf, &len)))
+ goto err;
+ p = pt(buf, len);
+ if (!TEST_str_eq(p, test[2].mac))
+ goto err;
+
+ /* Test setting the cipher and key separately */
+ if (!TEST_true(CMAC_Init(ctx, NULL, 0, EVP_aes_256_cbc(), NULL))
+ || !TEST_true(CMAC_Init(ctx, test[2].key, test[2].key_len, NULL, NULL))
+ || !TEST_true(CMAC_Update(ctx, test[2].data, test[2].data_len))
+ || !TEST_true(CMAC_Final(ctx, buf, &len)))
+ goto err;
+ p = pt(buf, len);
+ if (!TEST_str_eq(p, test[2].mac))
+ goto err;
+
+ ret = 1;
+err:
+ CMAC_CTX_free(ctx);
+ return ret;
+}
+
+static int test_cmac_copy(void)
+{
+ char *p;
+ CMAC_CTX *ctx = NULL, *ctx2 = NULL;
+ unsigned char buf[AES_BLOCK_SIZE];
+ size_t len;
+ int ret = 0;
+
+ ctx = CMAC_CTX_new();
+ ctx2 = CMAC_CTX_new();
+ if (!TEST_ptr(ctx) || !TEST_ptr(ctx2))
+ goto err;
+
+ if (!TEST_true(CMAC_Init(ctx, test[0].key, test[0].key_len,
+ EVP_aes_128_cbc(), NULL))
+ || !TEST_true(CMAC_Update(ctx, test[0].data, test[0].data_len))
+ || !TEST_true(CMAC_CTX_copy(ctx2, ctx))
+ || !TEST_true(CMAC_Final(ctx2, buf, &len)))
+ goto err;
+
+ p = pt(buf, len);
+ if (!TEST_str_eq(p, test[0].mac))
+ goto err;
+
+ ret = 1;
+err:
+ CMAC_CTX_free(ctx2);
+ CMAC_CTX_free(ctx);
+ return ret;
+}
+
+static char *pt(unsigned char *md, unsigned int len)
+{
+ unsigned int i;
+ static char buf[80];
+
+ for (i = 0; i < len; i++)
+ sprintf(&(buf[i * 2]), "%02x", md[i]);
+ return buf;
+}
+
+int setup_tests(void)
+{
+ ADD_TEST(test_cmac_bad);
+ ADD_TEST(test_cmac_run);
+ ADD_TEST(test_cmac_copy);
+ return 1;
+}
+
diff --git a/test/recipes/05-test_cmac.t b/test/recipes/05-test_cmac.t
new file mode 100644
index 0000000000..499f713f93
--- /dev/null
+++ b/test/recipes/05-test_cmac.t
@@ -0,0 +1,12 @@
+#! /usr/bin/env perl
+# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (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
+
+
+use OpenSSL::Test::Simple;
+
+simple_test("test_cmac", "cmactest", "cmac");