[PATCH 4/4] bcrypt/tests: Add test for key parallel usage.

[Hans Leidekker]

From: Paul Gofman

Signed-off-by: Paul Gofman 
Signed-off-by: Hans Leidekker 
---
 dlls/bcrypt/tests/bcrypt.c | 87 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 86 insertions(+), 1 deletion(-)

diff --git a/dlls/bcrypt/tests/bcrypt.c b/dlls/bcrypt/tests/bcrypt.c
index 456727d04a9..fb5ac03b039 100644
--- a/dlls/bcrypt/tests/bcrypt.c
+++ b/dlls/bcrypt/tests/bcrypt.c
@@ -862,6 +862,64 @@ static void test_BCryptGenerateSymmetricKey(void)
     ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
 }

+#define RACE_TEST_COUNT 200
+static LONG encrypt_race_start_barrier;
+
+static DWORD WINAPI encrypt_race_thread(void *parameter)
+{
+    static UCHAR nonce[] =
+        {0x11,0x20,0x30,0x40,0x50,0x60,0x10,0x20,0x30,0x40,0x50,0x60};
+    static UCHAR auth_data[] =
+        {0x61,0x50,0x40,0x30,0x20,0x10,0x60,0x50,0x40,0x30,0x20,0x10};
+    static UCHAR data2[] =
+        {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,
+         0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10};
+    static UCHAR expected4[] =
+        {0xb2,0x27,0x19,0x09,0xc7,0x89,0xdc,0x52,0x24,0x83,0x3a,0x55,0x34,0x76,0x2c,0xbf,
+         0x15,0xa1,0xcb,0x40,0x78,0x11,0xba,0xbc,0xa4,0x76,0x69,0x7c,0x75,0x4f,0x11,0xba};
+    static UCHAR expected_tag3[] =
+        {0xef,0xee,0x75,0x99,0xb8,0x12,0xe9,0xf0,0xb4,0xcc,0x65,0x11,0x67,0x60,0x2d,0xe6};
+
+    BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO auth_info;
+    BCRYPT_KEY_HANDLE key = parameter;
+    UCHAR ciphertext[48], tag[16];
+    unsigned int i, test;
+    NTSTATUS ret;
+    ULONG size;
+
+    memset(&auth_info, 0, sizeof(auth_info));
+    auth_info.cbSize = sizeof(auth_info);
+    auth_info.dwInfoVersion = 1;
+    auth_info.pbNonce = nonce;
+    auth_info.cbNonce = sizeof(nonce);
+    auth_info.pbTag = tag;
+    auth_info.cbTag = sizeof(tag);
+    auth_info.pbAuthData = auth_data;
+    auth_info.cbAuthData = sizeof(auth_data);
+
+    InterlockedIncrement(&encrypt_race_start_barrier);
+    while (InterlockedCompareExchange(&encrypt_race_start_barrier, 3, 2) != 2)
+        ;
+
+    for (test = 0; test < RACE_TEST_COUNT; ++test)
+    {
+        size = 0;
+        memset(ciphertext, 0xff, sizeof(ciphertext));
+        memset(tag, 0xff, sizeof(tag));
+        ret = pBCryptEncrypt(key, data2, 32, &auth_info, NULL, 0, ciphertext, 32, &size, 0);
+        ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
+        ok(size == 32, "got %u\n", size);
+        ok(!memcmp(ciphertext, expected4, sizeof(expected4)), "wrong data\n");
+        ok(!memcmp(tag, expected_tag3, sizeof(expected_tag3)), "wrong tag\n");
+        for (i = 0; i < 32; i++)
+            ok(ciphertext[i] == expected4[i], "%u: %02x != %02x\n", i, ciphertext[i], expected4[i]);
+        for (i = 0; i < 16; i++)
+            ok(tag[i] == expected_tag3[i], "%u: %02x != %02x\n", i, tag[i], expected_tag3[i]);
+    }
+
+    return 0;
+}
+
 static void test_BCryptEncrypt(void)
 {
     static UCHAR nonce[] =
@@ -921,9 +979,10 @@ static void test_BCryptEncrypt(void)
     BCRYPT_AUTHENTICATED_CIPHER_MODE_INFO auth_info;
     UCHAR *buf, ciphertext[48], ivbuf[16], tag[16];
     BCRYPT_AUTH_TAG_LENGTHS_STRUCT tag_length;
+    ULONG size, len, i, test;
     BCRYPT_ALG_HANDLE aes;
     BCRYPT_KEY_HANDLE key;
-    ULONG size, len, i;
+    HANDLE hthread;
     NTSTATUS ret;

ret = pBCryptOpenAlgorithmProvider(&aes, BCRYPT_AES_ALGORITHM, NULL, 0);
@@ -1215,6 +1274,32 @@ static void test_BCryptEncrypt(void)
     ret = pBCryptEncrypt(key, data2, 32, &auth_info, ivbuf, 16, ciphertext, 48, &size, BCRYPT_BLOCK_PADDING);
     ok(ret == STATUS_INVALID_PARAMETER, "got %08x\n", ret);

+    /* race test */
+
+    encrypt_race_start_barrier = 0;
+    hthread = CreateThread(NULL, 0, encrypt_race_thread, key, 0, NULL);
+
+    while (InterlockedCompareExchange(&encrypt_race_start_barrier, 2, 1) != 1)
+        ;
+
+    for (test = 0; test < RACE_TEST_COUNT; ++test)
+    {
+        size = 0;
+        memset(ciphertext, 0xff, sizeof(ciphertext));
+        memset(tag, 0xff, sizeof(tag));
+        ret = pBCryptEncrypt(key, data2, 32, &auth_info, NULL, 0, ciphertext, 32, &size, 0);
+        ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
+        ok(size == 32, "got %u\n", size);
+        ok(!memcmp(ciphertext, expected4, sizeof(expected4)), "wrong data\n");
+        ok(!memcmp(tag, expected_tag3, sizeof(expected_tag2)), "wrong tag\n");
+        for (i = 0; i < 32; i++)
+            ok(ciphertext[i] == expected4[i], "%u: %02x != %02x\n", i, ciphertext[i], expected4[i]);
+        for (i = 0; i < 16; i++)
+            ok(tag[i] == expected_tag3[i], "%u: %02x != %02x\n", i, tag[i], expected_tag3[i]);
+    }
+
+    WaitForSingleObject(hthread, INFINITE);
+
     ret = pBCryptDestroyKey(key);
     ok(ret == STATUS_SUCCESS, "got %08x\n", ret);
     HeapFree(GetProcessHeap(), 0, buf);