Sweden-Number/dlls/crypt32/tests/protectdata.c

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/*
* Unit test suite for crypt32.dll's CryptProtectData/CryptUnprotectData
*
* Copyright 2005 Kees Cook <kees@outflux.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <winerror.h>
#include <wincrypt.h>
#include "wine/test.h"
static BOOL (WINAPI *pCryptProtectData)(DATA_BLOB*,LPCWSTR,DATA_BLOB*,PVOID,CRYPTPROTECT_PROMPTSTRUCT*,DWORD,DATA_BLOB*);
static BOOL (WINAPI *pCryptUnprotectData)(DATA_BLOB*,LPWSTR*,DATA_BLOB*,PVOID,CRYPTPROTECT_PROMPTSTRUCT*,DWORD,DATA_BLOB*);
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static char secret[] = "I am a super secret string that no one can see!";
static char secret2[] = "I am a super secret string indescribable string";
static char key[] = "Wibble wibble wibble";
static const WCHAR desc[] = {'U','l','t','r','a',' ','s','e','c','r','e','t',' ','t','e','s','t',' ','m','e','s','s','a','g','e',0};
static BOOL protected = FALSE; /* if true, the unprotect tests can run */
static DATA_BLOB cipher;
static DATA_BLOB cipher_entropy;
static DATA_BLOB cipher_no_desc;
static void test_cryptprotectdata(void)
{
LONG r;
DATA_BLOB plain;
DATA_BLOB entropy;
plain.pbData=(void*)secret;
plain.cbData=strlen(secret)+1;
entropy.pbData=(void*)key;
entropy.cbData=strlen(key)+1;
SetLastError(0xDEADBEEF);
protected = pCryptProtectData(NULL,desc,NULL,NULL,NULL,0,&cipher);
ok(!protected, "Encrypting without plain data source.\n");
r = GetLastError();
ok(r == ERROR_INVALID_PARAMETER, "Wrong (%u) GetLastError seen\n",r);
SetLastError(0xDEADBEEF);
protected = pCryptProtectData(&plain,desc,NULL,NULL,NULL,0,NULL);
ok(!protected, "Encrypting without cipher destination.\n");
r = GetLastError();
ok(r == ERROR_INVALID_PARAMETER, "Wrong (%u) GetLastError seen\n",r);
cipher.pbData=NULL;
cipher.cbData=0;
/* without entropy */
SetLastError(0xDEADBEEF);
protected = pCryptProtectData(&plain,desc,NULL,NULL,NULL,0,&cipher);
ok(protected, "Encrypting without entropy.\n");
r = GetLastError();
ok(r == ERROR_SUCCESS ||
r == ERROR_IO_PENDING, /* win2k */
"Expected ERROR_SUCCESS or ERROR_IO_PENDING, got %d\n",r);
cipher_entropy.pbData=NULL;
cipher_entropy.cbData=0;
/* with entropy */
SetLastError(0xDEADBEEF);
protected = pCryptProtectData(&plain,desc,&entropy,NULL,NULL,0,&cipher_entropy);
ok(protected, "Encrypting with entropy.\n");
cipher_no_desc.pbData=NULL;
cipher_no_desc.cbData=0;
/* with entropy but no description */
plain.pbData=(void*)secret2;
plain.cbData=strlen(secret2)+1;
SetLastError(0xDEADBEEF);
protected = pCryptProtectData(&plain,NULL,&entropy,NULL,NULL,0,&cipher_no_desc);
if (!protected)
{
/* fails in win2k */
ok(GetLastError() == ERROR_INVALID_PARAMETER,
"Expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
}
}
static void test_cryptunprotectdata(void)
{
LONG r;
DATA_BLOB plain;
DATA_BLOB entropy;
BOOL okay;
WCHAR * data_desc;
entropy.pbData=(void*)key;
entropy.cbData=strlen(key)+1;
/* fails in win2k */
if (!protected)
{
skip("CryptProtectData failed to run\n");
return;
}
plain.pbData=NULL;
plain.cbData=0;
SetLastError(0xDEADBEEF);
okay = pCryptUnprotectData(&cipher,NULL,NULL,NULL,NULL,0,NULL);
ok(!okay,"Decrypting without destination\n");
r = GetLastError();
ok(r == ERROR_INVALID_PARAMETER, "Wrong (%u) GetLastError seen\n",r);
SetLastError(0xDEADBEEF);
okay = pCryptUnprotectData(NULL,NULL,NULL,NULL,NULL,0,&plain);
ok(!okay,"Decrypting without source\n");
r = GetLastError();
ok(r == ERROR_INVALID_PARAMETER, "Wrong (%u) GetLastError seen\n",r);
plain.pbData=NULL;
plain.cbData=0;
SetLastError(0xDEADBEEF);
okay = pCryptUnprotectData(&cipher_entropy,NULL,NULL,NULL,NULL,0,&plain);
ok(!okay,"Decrypting without needed entropy\n");
r = GetLastError();
ok(r == ERROR_INVALID_DATA, "Wrong (%u) GetLastError seen\n", r);
plain.pbData=NULL;
plain.cbData=0;
data_desc=NULL;
/* without entropy */
SetLastError(0xDEADBEEF);
okay = pCryptUnprotectData(&cipher,&data_desc,NULL,NULL,NULL,0,&plain);
ok(okay,"Decrypting without entropy\n");
ok(plain.pbData!=NULL,"Plain DATA_BLOB missing data\n");
ok(plain.cbData==strlen(secret)+1,"Plain DATA_BLOB wrong length\n");
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ok(!strcmp((const char*)plain.pbData,secret),"Plain does not match secret\n");
ok(data_desc!=NULL,"Description not allocated\n");
ok(!lstrcmpW(data_desc,desc),"Description does not match\n");
LocalFree(plain.pbData);
LocalFree(data_desc);
plain.pbData=NULL;
plain.cbData=0;
data_desc=NULL;
/* with wrong entropy */
SetLastError(0xDEADBEEF);
okay = pCryptUnprotectData(&cipher_entropy,&data_desc,&cipher_entropy,NULL,NULL,0,&plain);
ok(!okay,"Decrypting with wrong entropy\n");
r = GetLastError();
ok(r == ERROR_INVALID_DATA, "Wrong (%u) GetLastError seen\n",r);
/* with entropy */
SetLastError(0xDEADBEEF);
okay = pCryptUnprotectData(&cipher_entropy,&data_desc,&entropy,NULL,NULL,0,&plain);
ok(okay,"Decrypting with entropy\n");
ok(plain.pbData!=NULL,"Plain DATA_BLOB missing data\n");
ok(plain.cbData==strlen(secret)+1,"Plain DATA_BLOB wrong length\n");
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ok(!strcmp((const char*)plain.pbData,secret),"Plain does not match secret\n");
ok(data_desc!=NULL,"Description not allocated\n");
ok(!lstrcmpW(data_desc,desc),"Description does not match\n");
LocalFree(plain.pbData);
LocalFree(data_desc);
plain.pbData=NULL;
plain.cbData=0;
data_desc=NULL;
/* with entropy but no description */
SetLastError(0xDEADBEEF);
okay = pCryptUnprotectData(&cipher_no_desc,&data_desc,&entropy,NULL,NULL,0,&plain);
ok(okay,"Decrypting with entropy and no description\n");
ok(plain.pbData!=NULL,"Plain DATA_BLOB missing data\n");
ok(plain.cbData==strlen(secret2)+1,"Plain DATA_BLOB wrong length\n");
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ok(!strcmp((const char*)plain.pbData,secret2),"Plain does not match secret\n");
ok(data_desc!=NULL,"Description not allocated\n");
ok(data_desc[0]=='\0',"Description not empty\n");
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LocalFree(data_desc);
LocalFree(plain.pbData);
plain.pbData=NULL;
plain.cbData=0;
}
START_TEST(protectdata)
{
HMODULE hCrypt32 = GetModuleHandleA("crypt32.dll");
hCrypt32 = GetModuleHandleA("crypt32.dll");
pCryptProtectData = (void*)GetProcAddress(hCrypt32, "CryptProtectData");
pCryptUnprotectData = (void*)GetProcAddress(hCrypt32, "CryptUnprotectData");
if (!pCryptProtectData || !pCryptUnprotectData)
{
skip("Crypt(Un)ProtectData() is not available\n");
return;
}
protected=FALSE;
test_cryptprotectdata();
test_cryptunprotectdata();
/* deinit globals here */
if (cipher.pbData) LocalFree(cipher.pbData);
if (cipher_entropy.pbData) LocalFree(cipher_entropy.pbData);
if (cipher_no_desc.pbData) LocalFree(cipher_no_desc.pbData);
}