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protectdata.c
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1 /*
2  * Unit test suite for crypt32.dll's CryptProtectData/CryptUnprotectData
3  *
4  * Copyright 2005 Kees Cook <kees@outflux.net>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20 
21 #include <stdio.h>
22 #include <stdarg.h>
23 #include <windef.h>
24 #include <winbase.h>
25 #include <winerror.h>
26 #include <wincrypt.h>
27 
28 #include "wine/test.h"
29 
32 
33 static char secret[] = "I am a super secret string that no one can see!";
34 static char secret2[] = "I am a super secret string indescribable string";
35 static char key[] = "Wibble wibble wibble";
36 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};
37 static BOOL protected = FALSE; /* if true, the unprotect tests can run */
41 
42 static void test_cryptprotectdata(void)
43 {
44  LONG r;
45  DATA_BLOB plain;
46  DATA_BLOB entropy;
47 
48  plain.pbData=(void*)secret;
49  plain.cbData=strlen(secret)+1;
50 
51  entropy.pbData=(void*)key;
52  entropy.cbData=strlen(key)+1;
53 
54  SetLastError(0xDEADBEEF);
55  protected = pCryptProtectData(NULL,desc,NULL,NULL,NULL,0,&cipher);
56  ok(!protected, "Encrypting without plain data source.\n");
57  r = GetLastError();
58  ok(r == ERROR_INVALID_PARAMETER, "Wrong (%u) GetLastError seen\n",r);
59 
60  SetLastError(0xDEADBEEF);
61  protected = pCryptProtectData(&plain,desc,NULL,NULL,NULL,0,NULL);
62  ok(!protected, "Encrypting without cipher destination.\n");
63  r = GetLastError();
64  ok(r == ERROR_INVALID_PARAMETER, "Wrong (%u) GetLastError seen\n",r);
65 
67  cipher.cbData=0;
68 
69  /* without entropy */
70  SetLastError(0xDEADBEEF);
71  protected = pCryptProtectData(&plain,desc,NULL,NULL,NULL,0,&cipher);
72  ok(protected ||
73  broken(!protected), /* Win9x/NT4 */
74  "Encrypting without entropy.\n");
75  if (protected)
76  {
77  r = GetLastError();
78  ok(r == ERROR_SUCCESS ||
79  r == ERROR_IO_PENDING, /* win2k */
80  "Expected ERROR_SUCCESS or ERROR_IO_PENDING, got %d\n",r);
81  }
82 
85 
86  /* with entropy */
87  SetLastError(0xDEADBEEF);
88  protected = pCryptProtectData(&plain,desc,&entropy,NULL,NULL,0,&cipher_entropy);
89  ok(protected ||
90  broken(!protected), /* Win9x/NT4 */
91  "Encrypting with entropy.\n");
92 
95 
96  /* with entropy but no description */
97  plain.pbData=(void*)secret2;
98  plain.cbData=strlen(secret2)+1;
99  SetLastError(0xDEADBEEF);
100  protected = pCryptProtectData(&plain,NULL,&entropy,NULL,NULL,0,&cipher_no_desc);
101  if (!protected)
102  {
103  /* fails in win2k */
105  "Expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
106  }
107 }
108 
109 static void test_cryptunprotectdata(void)
110 {
111  LONG r;
112  DATA_BLOB plain;
113  DATA_BLOB entropy;
114  BOOL okay;
115  WCHAR * data_desc;
116 
117  entropy.pbData=(void*)key;
118  entropy.cbData=strlen(key)+1;
119 
120  /* fails in win2k */
121  if (!protected)
122  {
123  skip("CryptProtectData failed to run\n");
124  return;
125  }
126 
127  plain.pbData=NULL;
128  plain.cbData=0;
129 
130  SetLastError(0xDEADBEEF);
131  okay = pCryptUnprotectData(&cipher,NULL,NULL,NULL,NULL,0,NULL);
132  ok(!okay,"Decrypting without destination\n");
133  r = GetLastError();
134  ok(r == ERROR_INVALID_PARAMETER, "Wrong (%u) GetLastError seen\n",r);
135 
136  SetLastError(0xDEADBEEF);
137  okay = pCryptUnprotectData(NULL,NULL,NULL,NULL,NULL,0,&plain);
138  ok(!okay,"Decrypting without source\n");
139  r = GetLastError();
140  ok(r == ERROR_INVALID_PARAMETER, "Wrong (%u) GetLastError seen\n",r);
141 
142  plain.pbData=NULL;
143  plain.cbData=0;
144 
145  SetLastError(0xDEADBEEF);
146  okay = pCryptUnprotectData(&cipher_entropy,NULL,NULL,NULL,NULL,0,&plain);
147  ok(!okay,"Decrypting without needed entropy\n");
148  r = GetLastError();
149  ok(r == ERROR_INVALID_DATA, "Wrong (%u) GetLastError seen\n", r);
150 
151  plain.pbData=NULL;
152  plain.cbData=0;
153  data_desc=NULL;
154 
155  /* without entropy */
156  SetLastError(0xDEADBEEF);
157  okay = pCryptUnprotectData(&cipher,&data_desc,NULL,NULL,NULL,0,&plain);
158  ok(okay,"Decrypting without entropy\n");
159 
160  ok(plain.pbData!=NULL,"Plain DATA_BLOB missing data\n");
161  ok(plain.cbData==strlen(secret)+1,"Plain DATA_BLOB wrong length\n");
162  ok(!strcmp((const char*)plain.pbData,secret),"Plain does not match secret\n");
163  ok(data_desc!=NULL,"Description not allocated\n");
164  ok(!lstrcmpW(data_desc,desc),"Description does not match\n");
165 
166  LocalFree(plain.pbData);
167  LocalFree(data_desc);
168 
169  plain.pbData=NULL;
170  plain.cbData=0;
171  data_desc=NULL;
172 
173  /* with wrong entropy */
174  SetLastError(0xDEADBEEF);
175  okay = pCryptUnprotectData(&cipher_entropy,&data_desc,&cipher_entropy,NULL,NULL,0,&plain);
176  ok(!okay,"Decrypting with wrong entropy\n");
177  r = GetLastError();
178  ok(r == ERROR_INVALID_DATA, "Wrong (%u) GetLastError seen\n",r);
179 
180  /* with entropy */
181  SetLastError(0xDEADBEEF);
182  okay = pCryptUnprotectData(&cipher_entropy,&data_desc,&entropy,NULL,NULL,0,&plain);
183  ok(okay,"Decrypting with entropy\n");
184 
185  ok(plain.pbData!=NULL,"Plain DATA_BLOB missing data\n");
186  ok(plain.cbData==strlen(secret)+1,"Plain DATA_BLOB wrong length\n");
187  ok(!strcmp((const char*)plain.pbData,secret),"Plain does not match secret\n");
188  ok(data_desc!=NULL,"Description not allocated\n");
189  ok(!lstrcmpW(data_desc,desc),"Description does not match\n");
190 
191  LocalFree(plain.pbData);
192  LocalFree(data_desc);
193 
194  plain.pbData=NULL;
195  plain.cbData=0;
196  data_desc=NULL;
197 
198  /* with entropy but no description */
199  SetLastError(0xDEADBEEF);
200  okay = pCryptUnprotectData(&cipher_no_desc,&data_desc,&entropy,NULL,NULL,0,&plain);
201  ok(okay,"Decrypting with entropy and no description\n");
202 
203  ok(plain.pbData!=NULL,"Plain DATA_BLOB missing data\n");
204  ok(plain.cbData==strlen(secret2)+1,"Plain DATA_BLOB wrong length\n");
205  ok(!strcmp((const char*)plain.pbData,secret2),"Plain does not match secret\n");
206  ok(data_desc!=NULL,"Description not allocated\n");
207  ok(data_desc[0]=='\0',"Description not empty\n");
208 
209  LocalFree(data_desc);
210  LocalFree(plain.pbData);
211 
212  plain.pbData=NULL;
213  plain.cbData=0;
214 }
215 
216 static void test_simpleroundtrip(const char *plaintext)
217 {
219  DATA_BLOB encrypted;
221  int res;
222  WCHAR emptyW[1];
223 
224  emptyW[0] = 0;
225  input.pbData = (unsigned char *)plaintext;
226  input.cbData = strlen(plaintext);
227  res = pCryptProtectData(&input, emptyW, NULL, NULL, NULL, 0, &encrypted);
228  ok(res != 0 || broken(!res), "can't protect\n");
229  if (!res)
230  {
231  /* Fails on Win9x, NT4 */
232  win_skip("CryptProtectData failed\n");
233  return;
234  }
235 
236  res = pCryptUnprotectData(&encrypted, NULL, NULL, NULL, NULL, 0, &output);
237  ok(res != 0, "can't unprotect; last error %u\n", GetLastError());
238  ok(output.cbData == strlen(plaintext), "output wrong length %d for input '%s', wanted %d\n", output.cbData, plaintext, lstrlenA(plaintext));
239  ok(!memcmp(plaintext, (char *)output.pbData, output.cbData), "output wrong contents for input '%s'\n", plaintext);
240  LocalFree(output.pbData);
241  LocalFree(encrypted.pbData);
242 }
243 
244 START_TEST(protectdata)
245 {
246  HMODULE hCrypt32 = GetModuleHandleA("crypt32.dll");
247  pCryptProtectData = (void*)GetProcAddress(hCrypt32, "CryptProtectData");
248  pCryptUnprotectData = (void*)GetProcAddress(hCrypt32, "CryptUnprotectData");
249  if (!pCryptProtectData || !pCryptUnprotectData)
250  {
251  win_skip("Crypt(Un)ProtectData() is not available\n");
252  return;
253  }
254 
255  protected=FALSE;
259  test_simpleroundtrip("hello");
260 
261  /* deinit globals here */
265 }
#define ERROR_INVALID_PARAMETER
Definition: compat.h:91
static UCHAR ULONG UCHAR ULONG UCHAR * output
Definition: bcrypt.c:29
int memcmp(void *Buffer1, void *Buffer2, ACPI_SIZE Count)
Definition: utclib.c:112
#define ERROR_SUCCESS
Definition: deptool.c:10
static BOOL(WINAPI *pCryptProtectData)(DATA_BLOB *
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
static LPCWSTR
Definition: protectdata.c:30
GLdouble GLdouble GLdouble r
Definition: gl.h:2055
int WINAPI lstrcmpW(LPCWSTR lpString1, LPCWSTR lpString2)
Definition: lstring.c:170
static char secret2[]
Definition: protectdata.c:34
static DATA_BLOB CRYPTPROTECT_PROMPTSTRUCT DATA_BLOB *static LPWSTR DATA_BLOB CRYPTPROTECT_PROMPTSTRUCT DATA_BLOB *static char secret[]
Definition: protectdata.c:33
DWORD WINAPI GetLastError(VOID)
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static DATA_BLOB cipher
Definition: protectdata.c:38
#define ERROR_IO_PENDING
Definition: dderror.h:15
static DATA_BLOB cipher_entropy
Definition: protectdata.c:39
unsigned int BOOL
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long LONG
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static const WCHAR desc[]
Definition: protectdata.c:36
smooth NULL
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static DATA_BLOB cipher_no_desc
Definition: protectdata.c:40
START_TEST(protectdata)
Definition: protectdata.c:244
__wchar_t WCHAR
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#define WINAPI
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static void test_simpleroundtrip(const char *plaintext)
Definition: protectdata.c:216
#define SetLastError(x)
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BYTE * pbData
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HMODULE WINAPI DECLSPEC_HOTPATCH GetModuleHandleA(LPCSTR lpModuleName)
Definition: loader.c:821
#define broken(x)
Definition: _sntprintf.h:21
#define ERROR_INVALID_DATA
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static DATA_BLOB CRYPTPROTECT_PROMPTSTRUCT DWORD
Definition: protectdata.c:30
int WINAPI lstrlenA(LPCSTR lpString)
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GLenum GLenum GLenum input
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static DATA_BLOB PVOID
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#define ok(value,...)
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#define skip(...)
Definition: atltest.h:64
static void test_cryptunprotectdata(void)
Definition: protectdata.c:109
GLuint res
Definition: glext.h:9613
int strcmp(const char *String1, const char *String2)
Definition: utclib.c:469
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static void test_cryptprotectdata(void)
Definition: protectdata.c:42
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