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wine/dlls/advapi32/crypt.c
Eric Pouech 7e39b60a69 advapi32: Enable compilation with long types. 
Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2022-02-08 10:45:56 +01:00

2530 lines
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/*
* Copyright 1999 Ian Schmidt
* Copyright 2001 Travis Michielsen
*
* 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
*/
/***********************************************************************
*
* TODO:
* - Reference counting
* - Thread-safing
*/
#include <limits.h>
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "crypt.h"
#include "winnls.h"
#include "winreg.h"
#include "rpc.h"
#include "wine/debug.h"
#include "wine/exception.h"
#include "winternl.h"
WINE_DEFAULT_DEBUG_CHANNEL(crypt);
typedef struct tagMD4_CTX {
unsigned int buf[4];
unsigned int i[2];
unsigned char in[64];
unsigned char digest[16];
} MD4_CTX;
void WINAPI MD4Init(MD4_CTX *ctx);
void WINAPI MD4Update(MD4_CTX *ctx, const unsigned char *buf, unsigned int len);
void WINAPI MD4Final(MD4_CTX *ctx);
static HWND crypt_hWindow;
#define CRYPT_Alloc(size) (LocalAlloc(LMEM_ZEROINIT, size))
#define CRYPT_Free(buffer) (LocalFree(buffer))
static void *pointer_from_handle(UINT_PTR handle, DWORD magic)
{
void *ret = NULL;
__TRY
{
if (handle && *(DWORD *)handle == magic)
ret = (void *)handle;
}
__EXCEPT_PAGE_FAULT
{
}
__ENDTRY
if (!ret)
SetLastError(ERROR_INVALID_PARAMETER);
return ret;
}
static PCRYPTPROV provider_from_handle(HCRYPTPROV handle)
{
return pointer_from_handle(handle, MAGIC_CRYPTPROV);
}
static PCRYPTHASH hash_from_handle(HCRYPTHASH handle)
{
return pointer_from_handle(handle, MAGIC_CRYPTHASH);
}
static PCRYPTKEY key_from_handle(HCRYPTKEY handle)
{
return pointer_from_handle(handle, MAGIC_CRYPTKEY);
}
static inline PWSTR CRYPT_GetProvKeyName(PCWSTR pProvName)
{
static const WCHAR KEYSTR[] = L"Software\\Microsoft\\Cryptography\\Defaults\\Provider\\";
PWSTR keyname;
keyname = CRYPT_Alloc((lstrlenW(KEYSTR) + lstrlenW(pProvName) +1)*sizeof(WCHAR));
if (keyname)
{
lstrcpyW(keyname, KEYSTR);
lstrcpyW(keyname + lstrlenW(KEYSTR), pProvName);
} else
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return keyname;
}
static inline PWSTR CRYPT_GetTypeKeyName(DWORD dwType, BOOL user)
{
static const WCHAR MACHINESTR[] = L"Software\\Microsoft\\Cryptography\\Defaults\\Provider Types\\Type XXX";
static const WCHAR USERSTR[] = L"Software\\Microsoft\\Cryptography\\Provider Type XXX";
PWSTR keyname;
PWSTR ptr;
keyname = CRYPT_Alloc( ((user ? lstrlenW(USERSTR) : lstrlenW(MACHINESTR)) +1)*sizeof(WCHAR));
if (keyname)
{
user ? lstrcpyW(keyname, USERSTR) : lstrcpyW(keyname, MACHINESTR);
ptr = keyname + lstrlenW(keyname);
*(--ptr) = (dwType % 10) + '0';
*(--ptr) = ((dwType / 10) % 10) + '0';
*(--ptr) = (dwType / 100) + '0';
} else
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return keyname;
}
/* CRYPT_UnicodeToANSI
* wstr - unicode string
* str - pointer to ANSI string or pointer to null pointer if we have to do the allocation
* strsize - size of buffer pointed to by str
*
* returns TRUE if unsuccessful, FALSE otherwise.
* if wstr is NULL, returns TRUE and sets str to NULL! Value of str should be checked after call
*/
static inline BOOL CRYPT_UnicodeToANSI(LPCWSTR wstr, LPSTR* str, int strsize)
{
if (!wstr)
{
*str = NULL;
return TRUE;
}
if (!*str)
{
strsize = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
*str = CRYPT_Alloc(strsize * sizeof(CHAR));
}
else if (strsize < 0)
{
strsize = INT_MAX; /* windows will pretend that the buffer is infinitely long */
}
if (*str)
{
WideCharToMultiByte(CP_ACP, 0, wstr, -1, *str, strsize, NULL, NULL);
return TRUE;
}
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
/* CRYPT_ANSITOUnicode
* str - ANSI string
* wstr - pointer to unicode string
* wstrsize - size of buffer pointed to by wstr or -1 if we have to do the allocation
*/
static inline BOOL CRYPT_ANSIToUnicode(LPCSTR str, LPWSTR* wstr, int wstrsize)
{
unsigned int wcount;
if (!str)
{
*wstr = NULL;
return TRUE;
}
wcount = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
if (wstrsize == -1)
*wstr = CRYPT_Alloc(wcount * sizeof(WCHAR));
else
wcount = min( wcount, wstrsize/sizeof(WCHAR) );
if (*wstr)
{
MultiByteToWideChar(CP_ACP, 0, str, -1, *wstr, wcount);
return TRUE;
}
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
/* These next 2 functions are used by the VTableProvStruc structure */
static BOOL CALLBACK CRYPT_VerifyImage(LPCSTR lpszImage, BYTE* pData)
{
if (!lpszImage || !pData)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
FIXME("(%s, %p): not verifying image\n", lpszImage, pData);
return TRUE;
}
static void CALLBACK CRYPT_ReturnhWnd(HWND *phWnd)
{
if (phWnd) *phWnd = crypt_hWindow;
}
#define CRYPT_GetProvFunc(name) \
if ( !(provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)) ) goto error
#define CRYPT_GetProvFuncOpt(name) \
provider->pFuncs->p##name = (void*)GetProcAddress(provider->hModule, #name)
static PCRYPTPROV CRYPT_LoadProvider(PCWSTR pImage)
{
PCRYPTPROV provider;
DWORD errorcode = ERROR_NOT_ENOUGH_MEMORY;
if ( !(provider = CRYPT_Alloc(sizeof(CRYPTPROV))) ) goto error;
if ( !(provider->pFuncs = CRYPT_Alloc(sizeof(PROVFUNCS))) ) goto error;
if ( !(provider->pVTable = CRYPT_Alloc(sizeof(VTableProvStruc))) ) goto error;
if ( !(provider->hModule = LoadLibraryW(pImage)) )
{
errorcode = (GetLastError() == ERROR_FILE_NOT_FOUND) ? NTE_PROV_DLL_NOT_FOUND : NTE_PROVIDER_DLL_FAIL;
FIXME("Failed to load dll %s\n", debugstr_w(pImage));
goto error;
}
provider->dwMagic = MAGIC_CRYPTPROV;
provider->refcount = 1;
errorcode = NTE_PROVIDER_DLL_FAIL;
CRYPT_GetProvFunc(CPAcquireContext);
CRYPT_GetProvFunc(CPCreateHash);
CRYPT_GetProvFunc(CPDecrypt);
CRYPT_GetProvFunc(CPDeriveKey);
CRYPT_GetProvFunc(CPDestroyHash);
CRYPT_GetProvFunc(CPDestroyKey);
CRYPT_GetProvFuncOpt(CPDuplicateHash);
CRYPT_GetProvFuncOpt(CPDuplicateKey);
CRYPT_GetProvFunc(CPEncrypt);
CRYPT_GetProvFunc(CPExportKey);
CRYPT_GetProvFunc(CPGenKey);
CRYPT_GetProvFunc(CPGenRandom);
CRYPT_GetProvFunc(CPGetHashParam);
CRYPT_GetProvFunc(CPGetKeyParam);
CRYPT_GetProvFunc(CPGetProvParam);
CRYPT_GetProvFunc(CPGetUserKey);
CRYPT_GetProvFunc(CPHashData);
CRYPT_GetProvFunc(CPHashSessionKey);
CRYPT_GetProvFunc(CPImportKey);
CRYPT_GetProvFunc(CPReleaseContext);
CRYPT_GetProvFunc(CPSetHashParam);
CRYPT_GetProvFunc(CPSetKeyParam);
CRYPT_GetProvFunc(CPSetProvParam);
CRYPT_GetProvFunc(CPSignHash);
CRYPT_GetProvFunc(CPVerifySignature);
/* FIXME: Not sure what the pbContextInfo field is for.
* Does it need memory allocation?
*/
provider->pVTable->Version = 3;
provider->pVTable->FuncVerifyImage = CRYPT_VerifyImage;
provider->pVTable->FuncReturnhWnd = CRYPT_ReturnhWnd;
provider->pVTable->dwProvType = 0;
provider->pVTable->pbContextInfo = NULL;
provider->pVTable->cbContextInfo = 0;
provider->pVTable->pszProvName = NULL;
return provider;
error:
SetLastError(errorcode);
if (provider)
{
provider->dwMagic = 0;
if (provider->hModule)
FreeLibrary(provider->hModule);
CRYPT_Free(provider->pVTable);
CRYPT_Free(provider->pFuncs);
CRYPT_Free(provider);
}
return NULL;
}
#undef CRYPT_GetProvFunc
#undef CRYPT_GetProvFuncOpt
static void CRYPT_CreateMachineGuid(void)
{
LONG r;
HKEY key;
r = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Cryptography", 0, KEY_ALL_ACCESS | KEY_WOW64_64KEY,
&key);
if (!r)
{
DWORD size;
r = RegQueryValueExW(key, L"MachineGuid", NULL, NULL, NULL, &size);
if (r == ERROR_FILE_NOT_FOUND)
{
UUID uuid;
WCHAR buf[37];
if (UuidCreate(&uuid) == S_OK)
{
swprintf(buf, ARRAY_SIZE(buf), L"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
uuid.Data1, uuid.Data2, uuid.Data3,
uuid.Data4[0], uuid.Data4[1],
uuid.Data4[2], uuid.Data4[3],
uuid.Data4[4], uuid.Data4[5],
uuid.Data4[6], uuid.Data4[7] );
RegSetValueExW(key, L"MachineGuid", 0, REG_SZ,
(const BYTE *)buf,
(lstrlenW(buf)+1)*sizeof(WCHAR));
}
}
RegCloseKey(key);
}
}
/******************************************************************************
* CloseEncryptedFileRaw (ADVAPI32.@)
*
* Close encrypted files
*
* PARAMS
* context [I] pointer to the context
* RETURNS
* Success: ERROR_SUCCESS
* Failure: NTSTATUS error code
*/
void WINAPI CloseEncryptedFileRaw(PVOID context)
{
FIXME("(%p): stub\n", context);
}
/******************************************************************************
* CryptAcquireContextW (ADVAPI32.@)
*
* Acquire a crypto provider context handle.
*
* PARAMS
* phProv [O] Pointer to HCRYPTPROV for the output.
* pszContainer [I] Key Container Name
* pszProvider [I] Cryptographic Service Provider Name
* dwProvType [I] Crypto provider type to get a handle.
* dwFlags [I] flags for the operation
*
* RETURNS
* TRUE on success, FALSE on failure.
*/
BOOL WINAPI CryptAcquireContextW (HCRYPTPROV *phProv, LPCWSTR pszContainer,
LPCWSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
{
PCRYPTPROV pProv = NULL;
HKEY key;
PWSTR imagepath = NULL, keyname = NULL, provname = NULL, temp = NULL;
PSTR provnameA = NULL, pszContainerA = NULL;
DWORD keytype, type, len;
ULONG r;
TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv, debugstr_w(pszContainer),
debugstr_w(pszProvider), dwProvType, dwFlags);
if (dwProvType < 1 || dwProvType > MAXPROVTYPES)
{
SetLastError(NTE_BAD_PROV_TYPE);
return FALSE;
}
if (!phProv)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
/* Make sure the MachineGuid value exists */
CRYPT_CreateMachineGuid();
if (!pszProvider || !*pszProvider)
{
/* No CSP name specified so try the user default CSP first
* then try the machine default CSP
*/
if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, TRUE)) ) {
TRACE("No provider registered for crypto provider type %ld.\n", dwProvType);
SetLastError(NTE_PROV_TYPE_NOT_DEF);
return FALSE;
}
if (RegOpenKeyW(HKEY_CURRENT_USER, keyname, &key))
{
CRYPT_Free(keyname);
if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, FALSE)) ) {
TRACE("No type registered for crypto provider type %ld.\n", dwProvType);
RegCloseKey(key);
SetLastError(NTE_PROV_TYPE_NOT_DEF);
goto error;
}
if (RegOpenKeyW(HKEY_LOCAL_MACHINE, keyname, &key)) {
TRACE("Did not find registry entry of crypto provider for %s.\n", debugstr_w(keyname));
CRYPT_Free(keyname);
RegCloseKey(key);
SetLastError(NTE_PROV_TYPE_NOT_DEF);
goto error;
}
}
CRYPT_Free(keyname);
r = RegQueryValueExW(key, L"Name", NULL, &keytype, NULL, &len);
if( r != ERROR_SUCCESS || !len || keytype != REG_SZ)
{
TRACE("error %ld reading size of 'Name' from registry\n", r );
RegCloseKey(key);
SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
goto error;
}
if(!(provname = CRYPT_Alloc(len)))
{
RegCloseKey(key);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
goto error;
}
r = RegQueryValueExW(key, L"Name", NULL, NULL, (LPBYTE)provname, &len);
if( r != ERROR_SUCCESS )
{
TRACE("error %ld reading 'Name' from registry\n", r );
RegCloseKey(key);
SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
goto error;
}
RegCloseKey(key);
} else {
if ( !(provname = CRYPT_Alloc((lstrlenW(pszProvider) +1)*sizeof(WCHAR))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
goto error;
}
lstrcpyW(provname, pszProvider);
}
keyname = CRYPT_GetProvKeyName(provname);
r = RegOpenKeyW(HKEY_LOCAL_MACHINE, keyname, &key);
CRYPT_Free(keyname);
if (r != ERROR_SUCCESS)
{
SetLastError(NTE_KEYSET_NOT_DEF);
goto error;
}
len = sizeof(DWORD);
r = RegQueryValueExW(key, L"Type", NULL, NULL, (BYTE*)&type, &len);
if (r != ERROR_SUCCESS)
{
SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
goto error;
}
if (type != dwProvType)
{
TRACE("Crypto provider has wrong type (%ld vs expected %ld).\n", type, dwProvType);
SetLastError(NTE_PROV_TYPE_NO_MATCH);
goto error;
}
r = RegQueryValueExW(key, L"Image Path", NULL, &keytype, NULL, &len);
if ( r != ERROR_SUCCESS || keytype != REG_SZ)
{
TRACE("error %ld reading size of 'Image Path' from registry\n", r );
RegCloseKey(key);
SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
goto error;
}
if (!(temp = CRYPT_Alloc(len)))
{
RegCloseKey(key);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
goto error;
}
r = RegQueryValueExW(key, L"Image Path", NULL, NULL, (LPBYTE)temp, &len);
if( r != ERROR_SUCCESS )
{
TRACE("error %ld reading 'Image Path' from registry\n", r );
RegCloseKey(key);
SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
goto error;
}
RegCloseKey(key);
len = ExpandEnvironmentStringsW(temp, NULL, 0);
if ( !(imagepath = CRYPT_Alloc(len*sizeof(WCHAR))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
goto error;
}
if (!ExpandEnvironmentStringsW(temp, imagepath, len))
{
/* ExpandEnvironmentStrings will call SetLastError */
goto error;
}
pProv = CRYPT_LoadProvider(imagepath);
if (!pProv) {
/* CRYPT_LoadProvider calls SetLastError */
goto error;
}
pProv->pVTable->dwProvType = dwProvType;
if(!CRYPT_UnicodeToANSI(provname, &provnameA, 0))
{
/* CRYPT_UnicodeToANSI calls SetLastError */
goto error;
}
pProv->pVTable->pszProvName = provnameA;
if(!CRYPT_UnicodeToANSI(pszContainer, &pszContainerA, 0))
{
/* CRYPT_UnicodeToANSI calls SetLastError */
goto error;
}
if (pProv->pFuncs->pCPAcquireContext(&pProv->hPrivate, pszContainerA, dwFlags, pProv->pVTable))
{
/* MSDN: When this flag is set, the value returned in phProv is undefined,
* and thus, the CryptReleaseContext function need not be called afterwards.
* Therefore, we must clean up everything now.
*/
if (dwFlags & CRYPT_DELETEKEYSET)
{
*phProv = 0;
pProv->dwMagic = 0;
FreeLibrary(pProv->hModule);
CRYPT_Free(provnameA);
CRYPT_Free(pProv->pVTable);
CRYPT_Free(pProv->pFuncs);
CRYPT_Free(pProv);
} else {
*phProv = (HCRYPTPROV)pProv;
}
CRYPT_Free(pszContainerA);
CRYPT_Free(provname);
CRYPT_Free(temp);
CRYPT_Free(imagepath);
return TRUE;
}
/* FALLTHROUGH TO ERROR IF FALSE - CSP internal error! */
error:
if (pProv)
{
pProv->dwMagic = 0;
if (pProv->hModule)
FreeLibrary(pProv->hModule);
CRYPT_Free(pProv->pVTable);
CRYPT_Free(pProv->pFuncs);
CRYPT_Free(pProv);
}
CRYPT_Free(pszContainerA);
CRYPT_Free(provnameA);
CRYPT_Free(provname);
CRYPT_Free(temp);
CRYPT_Free(imagepath);
return FALSE;
}
/******************************************************************************
* CryptAcquireContextA (ADVAPI32.@)
*
* See CryptAcquireContextW.
*/
BOOL WINAPI CryptAcquireContextA (HCRYPTPROV *phProv, LPCSTR pszContainer,
LPCSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
{
PWSTR pProvider = NULL, pContainer = NULL;
BOOL ret = FALSE;
TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv, debugstr_a(pszContainer),
debugstr_a(pszProvider), dwProvType, dwFlags);
if ( !CRYPT_ANSIToUnicode(pszContainer, &pContainer, -1) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if ( !CRYPT_ANSIToUnicode(pszProvider, &pProvider, -1) )
{
CRYPT_Free(pContainer);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
ret = CryptAcquireContextW(phProv, pContainer, pProvider, dwProvType, dwFlags);
CRYPT_Free(pContainer);
CRYPT_Free(pProvider);
return ret;
}
/******************************************************************************
* CryptContextAddRef (ADVAPI32.@)
*
* Increases reference count of a cryptographic service provider handle
* by one.
*
* PARAMS
* hProv [I] Handle to the CSP whose reference is being incremented.
* pdwReserved [IN] Reserved for future use and must be NULL.
* dwFlags [I] Reserved for future use and must be 0.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptContextAddRef (HCRYPTPROV hProv, DWORD *pdwReserved, DWORD dwFlags)
{
PCRYPTPROV pProv = provider_from_handle(hProv);
TRACE("(0x%Ix, %p, %08lx)\n", hProv, pdwReserved, dwFlags);
if (!pProv)
return FALSE;
InterlockedIncrement(&pProv->refcount);
return TRUE;
}
/******************************************************************************
* CryptReleaseContext (ADVAPI32.@)
*
* Releases the handle of a CSP. Reference count is decreased.
*
* PARAMS
* hProv [I] Handle of a CSP.
* dwFlags [I] Reserved for future use and must be 0.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptReleaseContext (HCRYPTPROV hProv, DWORD dwFlags)
{
PCRYPTPROV pProv = provider_from_handle(hProv);
BOOL ret = TRUE;
TRACE("(0x%Ix, %08lx)\n", hProv, dwFlags);
if (!pProv)
return FALSE;
if (InterlockedDecrement(&pProv->refcount) == 0)
{
ret = pProv->pFuncs->pCPReleaseContext(pProv->hPrivate, dwFlags);
pProv->dwMagic = 0;
FreeLibrary(pProv->hModule);
#if 0
CRYPT_Free(pProv->pVTable->pContextInfo);
#endif
CRYPT_Free(pProv->pVTable->pszProvName);
CRYPT_Free(pProv->pVTable);
CRYPT_Free(pProv->pFuncs);
CRYPT_Free(pProv);
}
return ret;
}
/******************************************************************************
* CryptGenRandom (ADVAPI32.@)
*
* Fills a buffer with cryptographically random bytes.
*
* PARAMS
* hProv [I] Handle of a CSP.
* dwLen [I] Number of bytes to generate.
* pbBuffer [I/O] Buffer to contain random bytes.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* pdBuffer must be at least dwLen bytes long.
*/
BOOL WINAPI CryptGenRandom (HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
{
PCRYPTPROV prov = provider_from_handle(hProv);
TRACE("(0x%Ix, %ld, %p)\n", hProv, dwLen, pbBuffer);
if (!prov)
return FALSE;
return prov->pFuncs->pCPGenRandom(prov->hPrivate, dwLen, pbBuffer);
}
/******************************************************************************
* CryptCreateHash (ADVAPI32.@)
*
* Initiates the hashing of a stream of data.
*
* PARAMS
* hProv [I] Handle of a CSP.
* Algid [I] Identifies the hash algorithm to use.
* hKey [I] Key for the hash (if required).
* dwFlags [I] Reserved for future use and must be 0.
* phHash [O] Address of the future handle to the new hash object.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* If the algorithm is a keyed hash, hKey is the key.
*/
BOOL WINAPI CryptCreateHash (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey,
DWORD dwFlags, HCRYPTHASH *phHash)
{
PCRYPTKEY key = NULL;
PCRYPTPROV prov;
PCRYPTHASH hash;
TRACE("(0x%Ix, 0x%x, 0x%Ix, %08lx, %p)\n", hProv, Algid, hKey, dwFlags, phHash);
if (!(prov = provider_from_handle(hProv)))
return FALSE;
if (hKey && !(key = key_from_handle(hKey)))
return FALSE;
if (!phHash)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (dwFlags)
{
SetLastError(NTE_BAD_FLAGS);
return FALSE;
}
if ( !(hash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
hash->pProvider = prov;
hash->dwMagic = MAGIC_CRYPTHASH;
if (prov->pFuncs->pCPCreateHash(prov->hPrivate, Algid,
key ? key->hPrivate : 0, 0, &hash->hPrivate))
{
*phHash = (HCRYPTHASH)hash;
return TRUE;
}
/* CSP error! */
hash->dwMagic = 0;
CRYPT_Free(hash);
*phHash = 0;
return FALSE;
}
/******************************************************************************
* CryptDecrypt (ADVAPI32.@)
*
* Decrypts data encrypted by CryptEncrypt.
*
* PARAMS
* hKey [I] Handle to the decryption key.
* hHash [I] Handle to a hash object.
* Final [I] TRUE if this is the last section to be decrypted.
* dwFlags [I] Reserved for future use. Can be CRYPT_OAEP.
* pbData [I/O] Buffer that holds the encrypted data. Holds decrypted
* data on return
* pdwDataLen [I/O] Length of pbData before and after the call.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptDecrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
{
PCRYPTHASH hash = NULL;
PCRYPTPROV prov;
PCRYPTKEY key;
TRACE("(0x%Ix, 0x%Ix, %d, %08lx, %p, %p)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen);
if (!(key = key_from_handle(hKey)))
return FALSE;
if (hHash && !(hash = hash_from_handle(hHash)))
return FALSE;
if (!pbData || !pdwDataLen || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = key->pProvider;
return prov->pFuncs->pCPDecrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
Final, dwFlags, pbData, pdwDataLen);
}
/******************************************************************************
* CryptDeriveKey (ADVAPI32.@)
*
* Generates session keys derived from a base data value.
*
* PARAMS
* hProv [I] Handle to a CSP.
* Algid [I] Identifies the symmetric encryption algorithm to use.
* hBaseData [I] Handle to a hash object.
* dwFlags [I] Type of key to generate.
* phKey [I/O] Address of the newly generated key.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptDeriveKey (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
DWORD dwFlags, HCRYPTKEY *phKey)
{
PCRYPTPROV prov;
PCRYPTHASH hash;
PCRYPTKEY key;
TRACE("(0x%Ix, 0x%08x, 0x%Ix, 0x%08lx, %p)\n", hProv, Algid, hBaseData, dwFlags, phKey);
if (!(prov = provider_from_handle(hProv)))
return FALSE;
if (!(hash = hash_from_handle(hBaseData)))
return FALSE;
if (!phKey)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
key->pProvider = prov;
key->dwMagic = MAGIC_CRYPTKEY;
if (prov->pFuncs->pCPDeriveKey(prov->hPrivate, Algid, hash->hPrivate, dwFlags, &key->hPrivate))
{
*phKey = (HCRYPTKEY)key;
return TRUE;
}
/* CSP error! */
key->dwMagic = 0;
CRYPT_Free(key);
*phKey = 0;
return FALSE;
}
/******************************************************************************
* CryptDestroyHash (ADVAPI32.@)
*
* Destroys the hash object referenced by hHash.
*
* PARAMS
* hHash [I] Handle of the hash object to be destroyed.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptDestroyHash (HCRYPTHASH hHash)
{
PCRYPTHASH hash;
PCRYPTPROV prov;
BOOL ret;
TRACE("(0x%Ix)\n", hHash);
if (!(hash = hash_from_handle(hHash)))
return FALSE;
if (!hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = hash->pProvider;
ret = prov->pFuncs->pCPDestroyHash(prov->hPrivate, hash->hPrivate);
hash->dwMagic = 0;
CRYPT_Free(hash);
return ret;
}
/******************************************************************************
* CryptDestroyKey (ADVAPI32.@)
*
* Releases the handle referenced by hKey.
*
* PARAMS
* hKey [I] Handle of the key to be destroyed.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptDestroyKey (HCRYPTKEY hKey)
{
PCRYPTPROV prov;
PCRYPTKEY key;
BOOL ret;
TRACE("(0x%Ix)\n", hKey);
if (!(key = key_from_handle(hKey)))
return FALSE;
if (!key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = key->pProvider;
ret = prov->pFuncs->pCPDestroyKey(prov->hPrivate, key->hPrivate);
key->dwMagic = 0;
CRYPT_Free(key);
return ret;
}
/******************************************************************************
* CryptDuplicateHash (ADVAPI32.@)
*
* Duplicates a hash.
*
* PARAMS
* hHash [I] Handle to the hash to be copied.
* pdwReserved [I] Reserved for future use and must be NULL.
* dwFlags [I] Reserved for future use and must be zero.
* phHash [O] Address of the handle to receive the copy.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptDuplicateHash (HCRYPTHASH hHash, DWORD *pdwReserved,
DWORD dwFlags, HCRYPTHASH *phHash)
{
PCRYPTPROV prov;
PCRYPTHASH orghash, newhash;
TRACE("(0x%Ix, %p, %08lx, %p)\n", hHash, pdwReserved, dwFlags, phHash);
if (!(orghash = hash_from_handle(hHash)))
return FALSE;
if (pdwReserved || !phHash || !orghash->pProvider || orghash->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = orghash->pProvider;
if (!prov->pFuncs->pCPDuplicateHash)
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
if ( !(newhash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
newhash->pProvider = prov;
newhash->dwMagic = MAGIC_CRYPTHASH;
if (prov->pFuncs->pCPDuplicateHash(prov->hPrivate, orghash->hPrivate, pdwReserved, dwFlags, &newhash->hPrivate))
{
*phHash = (HCRYPTHASH)newhash;
return TRUE;
}
newhash->dwMagic = 0;
CRYPT_Free(newhash);
return FALSE;
}
/******************************************************************************
* CryptDuplicateKey (ADVAPI32.@)
*
* Duplicate a key and the key's state.
*
* PARAMS
* hKey [I] Handle of the key to copy.
* pdwReserved [I] Reserved for future use and must be NULL.
* dwFlags [I] Reserved for future use and must be zero.
* phKey [I] Address of the handle to the duplicated key.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptDuplicateKey (HCRYPTKEY hKey, DWORD *pdwReserved, DWORD dwFlags, HCRYPTKEY *phKey)
{
PCRYPTPROV prov;
PCRYPTKEY orgkey, newkey;
TRACE("(0x%Ix, %p, %08lx, %p)\n", hKey, pdwReserved, dwFlags, phKey);
if (!(orgkey = key_from_handle(hKey)))
return FALSE;
if (pdwReserved || !phKey || !orgkey->pProvider || orgkey->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = orgkey->pProvider;
if (!prov->pFuncs->pCPDuplicateKey)
{
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
if ( !(newkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
newkey->pProvider = prov;
newkey->dwMagic = MAGIC_CRYPTKEY;
if (prov->pFuncs->pCPDuplicateKey(prov->hPrivate, orgkey->hPrivate, pdwReserved, dwFlags, &newkey->hPrivate))
{
*phKey = (HCRYPTKEY)newkey;
return TRUE;
}
newkey->dwMagic = 0;
CRYPT_Free(newkey);
return FALSE;
}
/******************************************************************************
* CryptEncrypt (ADVAPI32.@)
*
* Encrypts data.
*
* PARAMS
* hKey [I] Handle to the encryption key.
* hHash [I] Handle to a hash object.
* Final [I] TRUE if this is the last section to encrypt.
* dwFlags [I] Can be CRYPT_OAEP.
* pbData [I/O] Data to be encrypted. Contains encrypted data after call.
* pdwDataLen [I/O] Length of the data to encrypt. Contains the length of the
* encrypted data after call.
* dwBufLen [I] Length of the input pbData buffer.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* If pbData is NULL, CryptEncrypt determines stores the number of bytes
* required for the returned data in pdwDataLen.
*/
BOOL WINAPI CryptEncrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
{
PCRYPTHASH hash = NULL;
PCRYPTPROV prov;
PCRYPTKEY key;
TRACE("(0x%Ix, 0x%Ix, %d, %08lx, %p, %p, %ld)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen, dwBufLen);
if (!(key = key_from_handle(hKey)))
return FALSE;
if (hHash && !(hash = hash_from_handle(hHash)))
return FALSE;
if (!pdwDataLen || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = key->pProvider;
return prov->pFuncs->pCPEncrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
Final, dwFlags, pbData, pdwDataLen, dwBufLen);
}
/******************************************************************************
* CryptEnumProvidersW (ADVAPI32.@)
*
* Returns the next available CSP.
*
* PARAMS
* dwIndex [I] Index of the next provider to be enumerated.
* pdwReserved [I] Reserved for future use and must be NULL.
* dwFlags [I] Reserved for future use and must be zero.
* pdwProvType [O] DWORD designating the type of the provider.
* pszProvName [O] Buffer that receives data from the provider.
* pcbProvName [I/O] Specifies the size of pszProvName. Contains the number
* of bytes stored in the buffer on return.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* If pszProvName is NULL, CryptEnumProvidersW sets the size of the name
* for memory allocation purposes.
*/
BOOL WINAPI CryptEnumProvidersW (DWORD dwIndex, DWORD *pdwReserved,
DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszProvName, DWORD *pcbProvName)
{
HKEY hKey;
BOOL ret;
TRACE("(%ld, %p, %ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
pdwProvType, pszProvName, pcbProvName);
if (pdwReserved || !pcbProvName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (dwFlags)
{
SetLastError(NTE_BAD_FLAGS);
return FALSE;
}
if (RegOpenKeyW(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Cryptography\\Defaults\\Provider", &hKey))
{
SetLastError(NTE_FAIL);
return FALSE;
}
ret = TRUE;
if (!pszProvName)
{
DWORD numkeys;
WCHAR *provNameW;
RegQueryInfoKeyW(hKey, NULL, NULL, NULL, &numkeys, pcbProvName,
NULL, NULL, NULL, NULL, NULL, NULL);
if (!(provNameW = CRYPT_Alloc(*pcbProvName * sizeof(WCHAR))))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
RegCloseKey(hKey);
return FALSE;
}
RegEnumKeyExW(hKey, dwIndex, provNameW, pcbProvName, NULL, NULL, NULL, NULL);
CRYPT_Free(provNameW);
(*pcbProvName)++;
*pcbProvName *= sizeof(WCHAR);
if (dwIndex >= numkeys)
{
SetLastError(ERROR_NO_MORE_ITEMS);
ret = FALSE;
}
} else {
DWORD size = sizeof(DWORD);
DWORD result;
HKEY subkey;
result = RegEnumKeyW(hKey, dwIndex, pszProvName, *pcbProvName / sizeof(WCHAR));
if (result)
{
SetLastError(result);
RegCloseKey(hKey);
return FALSE;
}
if (RegOpenKeyW(hKey, pszProvName, &subkey))
{
RegCloseKey(hKey);
return FALSE;
}
if (RegQueryValueExW(subkey, L"Type", NULL, NULL, (BYTE*)pdwProvType, &size))
ret = FALSE;
RegCloseKey(subkey);
}
RegCloseKey(hKey);
return ret;
}
/******************************************************************************
* CryptEnumProvidersA (ADVAPI32.@)
*
* See CryptEnumProvidersW.
*/
BOOL WINAPI CryptEnumProvidersA (DWORD dwIndex, DWORD *pdwReserved,
DWORD dwFlags, DWORD *pdwProvType, LPSTR pszProvName, DWORD *pcbProvName)
{
PWSTR str = NULL;
DWORD bufsize;
BOOL ret;
TRACE("(%ld, %p, %08lx, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
pdwProvType, pszProvName, pcbProvName);
if(!CryptEnumProvidersW(dwIndex, pdwReserved, dwFlags, pdwProvType, NULL, &bufsize))
return FALSE;
if ( pszProvName && !(str = CRYPT_Alloc(bufsize)) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
ret = CryptEnumProvidersW(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &bufsize);
if (str)
CRYPT_UnicodeToANSI(str, &pszProvName, *pcbProvName);
*pcbProvName = bufsize / sizeof(WCHAR); /* FIXME: not correct */
if (str)
{
CRYPT_Free(str);
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
SetLastError(ERROR_MORE_DATA);
return FALSE;
}
}
return ret;
}
/******************************************************************************
* CryptEnumProviderTypesW (ADVAPI32.@)
*
* Retrieves the next type of CSP supported.
*
* PARAMS
* dwIndex [I] Index of the next provider to be enumerated.
* pdwReserved [I] Reserved for future use and must be NULL.
* dwFlags [I] Reserved for future use and must be zero.
* pdwProvType [O] DWORD designating the type of the provider.
* pszTypeName [O] Buffer that receives data from the provider type.
* pcbTypeName [I/O] Specifies the size of pszTypeName. Contains the number
* of bytes stored in the buffer on return.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* If pszTypeName is NULL, CryptEnumProviderTypesW sets the size of the name
* for memory allocation purposes.
*/
BOOL WINAPI CryptEnumProviderTypesW (DWORD dwIndex, DWORD *pdwReserved,
DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszTypeName, DWORD *pcbTypeName)
{
HKEY hKey, hSubkey;
DWORD keylen, numkeys, dwType;
PWSTR keyname, ch;
DWORD result;
TRACE("(%ld, %p, %08lx, %p, %p, %p)\n", dwIndex, pdwReserved,
dwFlags, pdwProvType, pszTypeName, pcbTypeName);
if (pdwReserved || !pdwProvType || !pcbTypeName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (dwFlags)
{
SetLastError(NTE_BAD_FLAGS);
return FALSE;
}
if (RegOpenKeyW(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Cryptography\\Defaults\\Provider Types", &hKey))
return FALSE;
RegQueryInfoKeyW(hKey, NULL, NULL, NULL, &numkeys, &keylen, NULL, NULL, NULL, NULL, NULL, NULL);
if (dwIndex >= numkeys)
{
SetLastError(ERROR_NO_MORE_ITEMS);
RegCloseKey(hKey);
return FALSE;
}
keylen++;
if ( !(keyname = CRYPT_Alloc(keylen*sizeof(WCHAR))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
RegCloseKey(hKey);
return FALSE;
}
if ( RegEnumKeyW(hKey, dwIndex, keyname, keylen) ) {
CRYPT_Free(keyname);
RegCloseKey(hKey);
return FALSE;
}
RegOpenKeyW(hKey, keyname, &hSubkey);
RegCloseKey(hKey);
ch = keyname + lstrlenW(keyname);
/* Convert "Type 000" to 0, etc/ */
*pdwProvType = *(--ch) - '0';
*pdwProvType += (*(--ch) - '0') * 10;
*pdwProvType += (*(--ch) - '0') * 100;
CRYPT_Free(keyname);
result = RegQueryValueExW(hSubkey, L"TypeName", NULL, &dwType, (LPBYTE)pszTypeName, pcbTypeName);
if (result)
{
SetLastError(result);
RegCloseKey(hSubkey);
return FALSE;
}
RegCloseKey(hSubkey);
return TRUE;
}
/******************************************************************************
* CryptEnumProviderTypesA (ADVAPI32.@)
*
* See CryptEnumProviderTypesW.
*/
BOOL WINAPI CryptEnumProviderTypesA (DWORD dwIndex, DWORD *pdwReserved,
DWORD dwFlags, DWORD *pdwProvType, LPSTR pszTypeName, DWORD *pcbTypeName)
{
PWSTR str = NULL;
DWORD bufsize;
BOOL ret;
TRACE("(%ld, %p, %08lx, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
pdwProvType, pszTypeName, pcbTypeName);
if(!CryptEnumProviderTypesW(dwIndex, pdwReserved, dwFlags, pdwProvType, NULL, &bufsize))
return FALSE;
if ( pszTypeName && !(str = CRYPT_Alloc(bufsize)) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
ret = CryptEnumProviderTypesW(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &bufsize);
if (str)
CRYPT_UnicodeToANSI(str, &pszTypeName, *pcbTypeName);
*pcbTypeName = bufsize / sizeof(WCHAR);
if (str)
{
CRYPT_Free(str);
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
SetLastError(ERROR_MORE_DATA);
return FALSE;
}
}
return ret;
}
/******************************************************************************
* CryptExportKey (ADVAPI32.@)
*
* Exports a cryptographic key from a CSP.
*
* PARAMS
* hKey [I] Handle to the key to export.
* hExpKey [I] Handle to a cryptographic key of the end user.
* dwBlobType [I] Type of BLOB to be exported.
* dwFlags [I] CRYPT_DESTROYKEY/SSL2_FALLBACK/OAEP.
* pbData [O] Buffer to receive BLOB data.
* pdwDataLen [I/O] Specifies the size of pbData.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* if pbData is NULL, CryptExportKey sets pdwDataLen as the size of the
* buffer needed to hold the BLOB.
*/
BOOL WINAPI CryptExportKey (HCRYPTKEY hKey, HCRYPTKEY hExpKey, DWORD dwBlobType,
DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
{
PCRYPTPROV prov;
PCRYPTKEY key, expkey = NULL;
TRACE("(0x%Ix, 0x%Ix, %ld, %08lx, %p, %p)\n", hKey, hExpKey, dwBlobType, dwFlags, pbData, pdwDataLen);
if (!(key = key_from_handle(hKey)))
return FALSE;
if (hExpKey && !(expkey = key_from_handle(hExpKey)))
return FALSE;
if (!pdwDataLen || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = key->pProvider;
return prov->pFuncs->pCPExportKey(prov->hPrivate, key->hPrivate, expkey ? expkey->hPrivate : 0,
dwBlobType, dwFlags, pbData, pdwDataLen);
}
/******************************************************************************
* CryptGenKey (ADVAPI32.@)
*
* Generates a random cryptographic session key or a pub/priv key pair.
*
* PARAMS
* hProv [I] Handle to a CSP.
* Algid [I] Algorithm to use to make key.
* dwFlags [I] Specifies type of key to make.
* phKey [I] Address of the handle to which the new key is copied.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptGenKey (HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
{
PCRYPTPROV prov;
PCRYPTKEY key;
TRACE("(0x%Ix, %d, %08lx, %p)\n", hProv, Algid, dwFlags, phKey);
if (!(prov = provider_from_handle(hProv)))
return FALSE;
if (!phKey)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
key->pProvider = prov;
key->dwMagic = MAGIC_CRYPTKEY;
if (prov->pFuncs->pCPGenKey(prov->hPrivate, Algid, dwFlags, &key->hPrivate))
{
*phKey = (HCRYPTKEY)key;
return TRUE;
}
/* CSP error! */
key->dwMagic = 0;
CRYPT_Free(key);
return FALSE;
}
/******************************************************************************
* CryptGetDefaultProviderW (ADVAPI32.@)
*
* Finds the default CSP of a certain provider type.
*
* PARAMS
* dwProvType [I] Provider type to look for.
* pdwReserved [I] Reserved for future use and must be NULL.
* dwFlags [I] CRYPT_MACHINE_DEFAULT/USER_DEFAULT
* pszProvName [O] Name of the default CSP.
* pcbProvName [I/O] Size of pszProvName
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* If pszProvName is NULL, pcbProvName will hold the size of the buffer for
* memory allocation purposes on return.
*/
BOOL WINAPI CryptGetDefaultProviderW (DWORD dwProvType, DWORD *pdwReserved,
DWORD dwFlags, LPWSTR pszProvName, DWORD *pcbProvName)
{
HKEY hKey;
PWSTR keyname;
DWORD result;
if (pdwReserved || !pcbProvName)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (dwFlags & ~(CRYPT_USER_DEFAULT | CRYPT_MACHINE_DEFAULT))
{
SetLastError(NTE_BAD_FLAGS);
return FALSE;
}
if (dwProvType > 999)
{
SetLastError(NTE_BAD_PROV_TYPE);
return FALSE;
}
if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (RegOpenKeyW((dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE ,keyname, &hKey))
{
CRYPT_Free(keyname);
SetLastError(NTE_PROV_TYPE_NOT_DEF);
return FALSE;
}
CRYPT_Free(keyname);
result = RegQueryValueExW(hKey, L"Name", NULL, NULL, (LPBYTE)pszProvName, pcbProvName);
RegCloseKey(hKey);
if (result)
{
if (result != ERROR_MORE_DATA)
SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
else
SetLastError(result);
return FALSE;
}
return TRUE;
}
/******************************************************************************
* CryptGetDefaultProviderA (ADVAPI32.@)
*
* See CryptGetDefaultProviderW.
*/
BOOL WINAPI CryptGetDefaultProviderA (DWORD dwProvType, DWORD *pdwReserved,
DWORD dwFlags, LPSTR pszProvName, DWORD *pcbProvName)
{
PWSTR str = NULL;
DWORD bufsize;
BOOL ret;
TRACE("(%ld, %p, %08lx, %p, %p)\n", dwProvType, pdwReserved, dwFlags, pszProvName, pcbProvName);
CryptGetDefaultProviderW(dwProvType, pdwReserved, dwFlags, NULL, &bufsize);
if ( pszProvName && !(str = CRYPT_Alloc(bufsize)) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
ret = CryptGetDefaultProviderW(dwProvType, pdwReserved, dwFlags, str, &bufsize);
if (str)
CRYPT_UnicodeToANSI(str, &pszProvName, *pcbProvName);
*pcbProvName = bufsize / sizeof(WCHAR);
if (str)
{
CRYPT_Free(str);
if (GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
SetLastError(ERROR_MORE_DATA);
return FALSE;
}
}
return ret;
}
/******************************************************************************
* CryptGetHashParam (ADVAPI32.@)
*
* Retrieves data that controls the operations of a hash object.
*
* PARAMS
* hHash [I] Handle of the hash object to question.
* dwParam [I] Query type.
* pbData [O] Buffer that receives the value data.
* pdwDataLen [I/O] Size of the pbData buffer.
* dwFlags [I] Reserved for future use and must be zero.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* If pbData is NULL, pdwDataLen will contain the length required.
*/
BOOL WINAPI CryptGetHashParam (HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData,
DWORD *pdwDataLen, DWORD dwFlags)
{
PCRYPTPROV prov;
PCRYPTHASH hash;
TRACE("(0x%Ix, %ld, %p, %p, %08lx)\n", hHash, dwParam, pbData, pdwDataLen, dwFlags);
if (!(hash = hash_from_handle(hHash)))
return FALSE;
if (!pdwDataLen || !hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = hash->pProvider;
return prov->pFuncs->pCPGetHashParam(prov->hPrivate, hash->hPrivate, dwParam,
pbData, pdwDataLen, dwFlags);
}
/******************************************************************************
* CryptGetKeyParam (ADVAPI32.@)
*
* Retrieves data that controls the operations of a key.
*
* PARAMS
* hKey [I] Handle to they key in question.
* dwParam [I] Specifies query type.
* pbData [O] Sequence of bytes to receive data.
* pdwDataLen [I/O] Size of pbData.
* dwFlags [I] Reserved for future use and must be zero.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* If pbData is NULL, pdwDataLen is set to the needed length of the buffer.
*/
BOOL WINAPI CryptGetKeyParam (HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
DWORD *pdwDataLen, DWORD dwFlags)
{
PCRYPTPROV prov;
PCRYPTKEY key;
TRACE("(0x%Ix, %ld, %p, %p, %08lx)\n", hKey, dwParam, pbData, pdwDataLen, dwFlags);
if (!(key = key_from_handle(hKey)))
return FALSE;
if (!pdwDataLen || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = key->pProvider;
return prov->pFuncs->pCPGetKeyParam(prov->hPrivate, key->hPrivate, dwParam,
pbData, pdwDataLen, dwFlags);
}
/******************************************************************************
* CryptGetProvParam (ADVAPI32.@)
*
* Retrieves parameters that control the operations of a CSP.
*
* PARAMS
* hProv [I] Handle of the CSP in question.
* dwParam [I] Specifies query type.
* pbData [O] Buffer to receive the data.
* pdwDataLen [I/O] Size of pbData.
* dwFlags [I] see MSDN Docs.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* If pbData is NULL, pdwDataLen is set to the needed buffer length.
*/
BOOL WINAPI CryptGetProvParam (HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
DWORD *pdwDataLen, DWORD dwFlags)
{
PCRYPTPROV prov;
TRACE("(0x%Ix, %ld, %p, %p, %08lx)\n", hProv, dwParam, pbData, pdwDataLen, dwFlags);
if (!(prov = provider_from_handle(hProv)))
return FALSE;
return prov->pFuncs->pCPGetProvParam(prov->hPrivate, dwParam, pbData, pdwDataLen, dwFlags);
}
/******************************************************************************
* CryptGetUserKey (ADVAPI32.@)
*
* Gets a handle of one of a user's two public/private key pairs.
*
* PARAMS
* hProv [I] Handle of a CSP.
* dwKeySpec [I] Private key to use.
* phUserKey [O] Pointer to the handle of the retrieved keys.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptGetUserKey (HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
{
PCRYPTPROV prov;
PCRYPTKEY key;
TRACE("(0x%Ix, %ld, %p)\n", hProv, dwKeySpec, phUserKey);
if (!(prov = provider_from_handle(hProv)))
return FALSE;
if (!phUserKey)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
key->pProvider = prov;
key->dwMagic = MAGIC_CRYPTKEY;
if (prov->pFuncs->pCPGetUserKey(prov->hPrivate, dwKeySpec, &key->hPrivate))
{
*phUserKey = (HCRYPTKEY)key;
return TRUE;
}
/* CSP Error */
key->dwMagic = 0;
CRYPT_Free(key);
*phUserKey = 0;
return FALSE;
}
/******************************************************************************
* CryptHashData (ADVAPI32.@)
*
* Adds data to a hash object.
*
* PARAMS
* hHash [I] Handle of the hash object.
* pbData [I] Buffer of data to be hashed.
* dwDataLen [I] Number of bytes to add.
* dwFlags [I] Can be CRYPT_USERDATA
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptHashData (HCRYPTHASH hHash, const BYTE *pbData, DWORD dwDataLen, DWORD dwFlags)
{
PCRYPTHASH hash;
PCRYPTPROV prov;
TRACE("(0x%Ix, %p, %ld, %08lx)\n", hHash, pbData, dwDataLen, dwFlags);
if (!(hash = hash_from_handle(hHash)))
return FALSE;
if (!hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = hash->pProvider;
return prov->pFuncs->pCPHashData(prov->hPrivate, hash->hPrivate, pbData, dwDataLen, dwFlags);
}
/******************************************************************************
* CryptHashSessionKey (ADVAPI32.@)
*
* Compute the cryptographic hash of a session key object.
*
* PARAMS
* hHash [I] Handle to the hash object.
* hKey [I] Handle to the key to be hashed.
* dwFlags [I] Can be CRYPT_LITTLE_ENDIAN.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptHashSessionKey (HCRYPTHASH hHash, HCRYPTKEY hKey, DWORD dwFlags)
{
PCRYPTHASH hash;
PCRYPTKEY key;
PCRYPTPROV prov;
TRACE("(0x%Ix, 0x%Ix, %08lx)\n", hHash, hKey, dwFlags);
if (!(hash = hash_from_handle(hHash)))
return FALSE;
if (!(key = key_from_handle(hKey)))
return FALSE;
if (!hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = hash->pProvider;
return prov->pFuncs->pCPHashSessionKey(prov->hPrivate, hash->hPrivate, key->hPrivate, dwFlags);
}
/******************************************************************************
* CryptImportKey (ADVAPI32.@)
*
* Transfer a cryptographic key from a key BLOB into a cryptographic service provider (CSP).
*
* PARAMS
* hProv [I] Handle of a CSP.
* pbData [I] Contains the key to be imported.
* dwDataLen [I] Length of the key.
* hPubKey [I] Cryptographic key that decrypts pdData
* dwFlags [I] Used only with a public/private key pair.
* phKey [O] Imported key.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptImportKey (HCRYPTPROV hProv, const BYTE *pbData, DWORD dwDataLen,
HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
{
PCRYPTPROV prov;
PCRYPTKEY pubkey = NULL, importkey;
TRACE("(0x%Ix, %p, %ld, 0x%Ix, %08lx, %p)\n", hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
if (!(prov = provider_from_handle(hProv)))
return FALSE;
if (hPubKey && !(pubkey = key_from_handle(hPubKey)))
return FALSE;
if (!pbData || !dwDataLen || !phKey)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if ( !(importkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
importkey->pProvider = prov;
importkey->dwMagic = MAGIC_CRYPTKEY;
if (prov->pFuncs->pCPImportKey(prov->hPrivate, pbData, dwDataLen,
pubkey ? pubkey->hPrivate : 0, dwFlags, &importkey->hPrivate))
{
*phKey = (HCRYPTKEY)importkey;
return TRUE;
}
importkey->dwMagic = 0;
CRYPT_Free(importkey);
return FALSE;
}
/******************************************************************************
* CryptSignHashW (ADVAPI32.@)
*
* Signs data.
*
* PARAMS
* hHash [I] Handle of the hash object to be signed.
* dwKeySpec [I] Private key to use.
* sDescription [I] Should be NULL.
* dwFlags [I] CRYPT_NOHASHOID/X931_FORMAT.
* pbSignature [O] Buffer of the signature data.
* pdwSigLen [I/O] Size of the pbSignature buffer.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* Because of security flaws sDescription should not be used and should thus be
* NULL. It is supported only for compatibility with Microsoft's Cryptographic
* Providers.
*/
BOOL WINAPI CryptSignHashW (HCRYPTHASH hHash, DWORD dwKeySpec, LPCWSTR sDescription,
DWORD dwFlags, BYTE *pbSignature, DWORD *pdwSigLen)
{
PCRYPTHASH hash;
PCRYPTPROV prov;
TRACE("(0x%Ix, %ld, %s, %08lx, %p, %p)\n",
hHash, dwKeySpec, debugstr_w(sDescription), dwFlags, pbSignature, pdwSigLen);
if (!(hash = hash_from_handle(hHash)))
return FALSE;
if (!pdwSigLen || !hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = hash->pProvider;
return prov->pFuncs->pCPSignHash(prov->hPrivate, hash->hPrivate, dwKeySpec, sDescription,
dwFlags, pbSignature, pdwSigLen);
}
/******************************************************************************
* CryptSignHashA (ADVAPI32.@)
*
* See CryptSignHashW.
*/
BOOL WINAPI CryptSignHashA (HCRYPTHASH hHash, DWORD dwKeySpec, LPCSTR sDescription,
DWORD dwFlags, BYTE *pbSignature, DWORD *pdwSigLen)
{
LPWSTR wsDescription;
BOOL result;
TRACE("(0x%Ix, %ld, %s, %08lx, %p, %p)\n",
hHash, dwKeySpec, debugstr_a(sDescription), dwFlags, pbSignature, pdwSigLen);
CRYPT_ANSIToUnicode(sDescription, &wsDescription, -1);
result = CryptSignHashW(hHash, dwKeySpec, wsDescription, dwFlags, pbSignature, pdwSigLen);
CRYPT_Free(wsDescription);
return result;
}
/******************************************************************************
* CryptSetHashParam (ADVAPI32.@)
*
* Customizes the operations of a hash object.
*
* PARAMS
* hHash [I] Handle of the hash object to set parameters.
* dwParam [I] HP_HMAC_INFO/HASHVAL.
* pbData [I] Value data buffer.
* dwFlags [I] Reserved for future use and must be zero.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptSetHashParam (HCRYPTHASH hHash, DWORD dwParam, const BYTE *pbData, DWORD dwFlags)
{
PCRYPTPROV prov;
PCRYPTHASH hash;
TRACE("(0x%Ix, %ld, %p, %08lx)\n", hHash, dwParam, pbData, dwFlags);
if (!(hash = hash_from_handle(hHash)))
return FALSE;
if (!pbData || !hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = hash->pProvider;
return prov->pFuncs->pCPSetHashParam(prov->hPrivate, hash->hPrivate,
dwParam, pbData, dwFlags);
}
/******************************************************************************
* CryptSetKeyParam (ADVAPI32.@)
*
* Customizes a session key's operations.
*
* PARAMS
* hKey [I] Handle to the key to set values.
* dwParam [I] See MSDN Doc.
* pbData [I] Buffer of values to set.
* dwFlags [I] Only used when dwParam == KP_ALGID.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptSetKeyParam (HCRYPTKEY hKey, DWORD dwParam, const BYTE *pbData, DWORD dwFlags)
{
PCRYPTPROV prov;
PCRYPTKEY key;
TRACE("(0x%Ix, %ld, %p, %08lx)\n", hKey, dwParam, pbData, dwFlags);
if (!(key = key_from_handle(hKey)))
return FALSE;
if (!pbData || !key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = key->pProvider;
return prov->pFuncs->pCPSetKeyParam(prov->hPrivate, key->hPrivate,
dwParam, pbData, dwFlags);
}
/******************************************************************************
* CryptSetProviderA (ADVAPI32.@)
*
* Specifies the current user's default CSP.
*
* PARAMS
* pszProvName [I] Name of the new default CSP.
* dwProvType [I] Provider type of the CSP.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptSetProviderA (LPCSTR pszProvName, DWORD dwProvType)
{
TRACE("(%s, %ld)\n", pszProvName, dwProvType);
return CryptSetProviderExA(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
}
/******************************************************************************
* CryptSetProviderW (ADVAPI32.@)
*
* See CryptSetProviderA.
*/
BOOL WINAPI CryptSetProviderW (LPCWSTR pszProvName, DWORD dwProvType)
{
TRACE("(%s, %ld)\n", debugstr_w(pszProvName), dwProvType);
return CryptSetProviderExW(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
}
/******************************************************************************
* CryptSetProviderExW (ADVAPI32.@)
*
* Specifies the default CSP.
*
* PARAMS
* pszProvName [I] Name of the new default CSP.
* dwProvType [I] Provider type of the CSP.
* pdwReserved [I] Reserved for future use and must be NULL.
* dwFlags [I] See MSDN Doc.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptSetProviderExW (LPCWSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
{
HKEY hProvKey, hTypeKey;
PWSTR keyname;
TRACE("(%s, %ld, %p, %08lx)\n", debugstr_w(pszProvName), dwProvType, pdwReserved, dwFlags);
if (!pszProvName || pdwReserved)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (dwProvType > MAXPROVTYPES)
{
SetLastError(NTE_BAD_PROV_TYPE);
return FALSE;
}
if (dwFlags & ~(CRYPT_MACHINE_DEFAULT | CRYPT_USER_DEFAULT | CRYPT_DELETE_DEFAULT)
|| dwFlags == CRYPT_DELETE_DEFAULT)
{
SetLastError(NTE_BAD_FLAGS);
return FALSE;
}
if (!(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)))
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (RegOpenKeyW((dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE,
keyname, &hTypeKey))
{
CRYPT_Free(keyname);
SetLastError(NTE_BAD_PROVIDER);
return FALSE;
}
CRYPT_Free(keyname);
if (dwFlags & CRYPT_DELETE_DEFAULT)
{
RegDeleteValueW(hTypeKey, L"Name");
}
else
{
if (!(keyname = CRYPT_GetProvKeyName(pszProvName)))
{
RegCloseKey(hTypeKey);
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return FALSE;
}
if (RegOpenKeyW((dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE,
keyname, &hProvKey))
{
CRYPT_Free(keyname);
RegCloseKey(hTypeKey);
SetLastError(NTE_BAD_PROVIDER);
return FALSE;
}
CRYPT_Free(keyname);
if (RegSetValueExW(hTypeKey, L"Name", 0, REG_SZ, (const BYTE *)pszProvName,
(lstrlenW(pszProvName) + 1)*sizeof(WCHAR)))
{
RegCloseKey(hTypeKey);
RegCloseKey(hProvKey);
return FALSE;
}
RegCloseKey(hProvKey);
}
RegCloseKey(hTypeKey);
return TRUE;
}
/******************************************************************************
* CryptSetProviderExA (ADVAPI32.@)
*
* See CryptSetProviderExW.
*/
BOOL WINAPI CryptSetProviderExA (LPCSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
{
BOOL ret = FALSE;
PWSTR str = NULL;
TRACE("(%s, %ld, %p, %08lx)\n", pszProvName, dwProvType, pdwReserved, dwFlags);
if (CRYPT_ANSIToUnicode(pszProvName, &str, -1))
{
ret = CryptSetProviderExW(str, dwProvType, pdwReserved, dwFlags);
CRYPT_Free(str);
}
return ret;
}
/******************************************************************************
* CryptSetProvParam (ADVAPI32.@)
*
* Customizes the operations of a CSP.
*
* PARAMS
* hProv [I] Handle of a CSP.
* dwParam [I] See MSDN Doc.
* pbData [I] Buffer that contains a value to set as a parameter.
* dwFlags [I] if dwParam is PP_USE_HARDWARE_RNG, dwFlags must be zero.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOL WINAPI CryptSetProvParam (HCRYPTPROV hProv, DWORD dwParam, const BYTE *pbData, DWORD dwFlags)
{
PCRYPTPROV prov;
TRACE("(0x%Ix, %ld, %p, %08lx)\n", hProv, dwParam, pbData, dwFlags);
if (!(prov = provider_from_handle(hProv)))
return FALSE;
if (dwParam == PP_USE_HARDWARE_RNG)
{
FIXME("PP_USE_HARDWARE_RNG: What do I do with this?\n");
FIXME("\tLetting the CSP decide.\n");
}
if (dwFlags & PP_CLIENT_HWND)
{
/* FIXME: Should verify the parameter */
if (pbData /* && IsWindow((HWND)pbData) */)
{
crypt_hWindow = (HWND)(pbData);
return TRUE;
} else {
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
}
/* All other flags go to the CSP */
return prov->pFuncs->pCPSetProvParam(prov->hPrivate, dwParam, pbData, dwFlags);
}
/******************************************************************************
* CryptVerifySignatureW (ADVAPI32.@)
*
* Verifies the signature of a hash object.
*
* PARAMS
* hHash [I] Handle of the hash object to verify.
* pbSignature [I] Signature data to verify.
* dwSigLen [I] Size of pbSignature.
* hPubKey [I] Handle to the public key to authenticate signature.
* sDescription [I] Should be NULL.
* dwFlags [I] See MSDN doc.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* Because of security flaws sDescription should not be used and should thus be
* NULL. It is supported only for compatibility with Microsoft's Cryptographic
* Providers.
*/
BOOL WINAPI CryptVerifySignatureW (HCRYPTHASH hHash, const BYTE *pbSignature, DWORD dwSigLen,
HCRYPTKEY hPubKey, LPCWSTR sDescription, DWORD dwFlags)
{
PCRYPTHASH hash;
PCRYPTKEY key;
PCRYPTPROV prov;
TRACE("(0x%Ix, %p, %ld, 0x%Ix, %s, %08lx)\n", hHash, pbSignature,
dwSigLen, hPubKey, debugstr_w(sDescription), dwFlags);
if (!(hash = hash_from_handle(hHash)))
return FALSE;
if (!(key = key_from_handle(hPubKey)))
return FALSE;
if (!hash->pProvider || hash->pProvider->dwMagic != MAGIC_CRYPTPROV ||
!key->pProvider || key->pProvider->dwMagic != MAGIC_CRYPTPROV)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
prov = hash->pProvider;
return prov->pFuncs->pCPVerifySignature(prov->hPrivate, hash->hPrivate, pbSignature, dwSigLen,
key->hPrivate, sDescription, dwFlags);
}
/******************************************************************************
* CryptVerifySignatureA (ADVAPI32.@)
*
* See CryptVerifySignatureW.
*/
BOOL WINAPI CryptVerifySignatureA (HCRYPTHASH hHash, const BYTE *pbSignature, DWORD dwSigLen,
HCRYPTKEY hPubKey, LPCSTR sDescription, DWORD dwFlags)
{
LPWSTR wsDescription;
BOOL result;
TRACE("(0x%Ix, %p, %ld, 0x%Ix, %s, %08lx)\n", hHash, pbSignature,
dwSigLen, hPubKey, debugstr_a(sDescription), dwFlags);
CRYPT_ANSIToUnicode(sDescription, &wsDescription, -1);
result = CryptVerifySignatureW(hHash, pbSignature, dwSigLen, hPubKey, wsDescription, dwFlags);
CRYPT_Free(wsDescription);
return result;
}
/******************************************************************************
* OpenEncryptedFileRawA (ADVAPI32.@)
*
* See OpenEncryptedFileRawW
*/
DWORD WINAPI OpenEncryptedFileRawA(LPCSTR filename, ULONG flags, PVOID *context)
{
FIXME("(%s, %lx, %p): stub\n", debugstr_a(filename), flags, context);
return ERROR_CALL_NOT_IMPLEMENTED;
}
/******************************************************************************
* OpenEncryptedFileRawW (ADVAPI32.@)
*
* Opens an EFS encrypted file for backup/restore
*
* PARAMS
* filename [I] Filename to operate on
* flags [I] Operation to perform
* context [I] Handle to the context (out)
* RETURNS
* Success: ERROR_SUCCESS
* Failure: NTSTATUS error code
*/
DWORD WINAPI OpenEncryptedFileRawW(LPCWSTR filename, ULONG flags, PVOID *context)
{
FIXME("(%s, %lx, %p): stub\n", debugstr_w(filename), flags, context);
return ERROR_CALL_NOT_IMPLEMENTED;
}
/******************************************************************************
* ReadEncryptedFileRaw (ADVAPI32.@)
*
* Export encrypted files
*
* PARAMS
* export [I] pointer to the export callback function
* callback [I] pointer to the application defined context
* context [I] pointer to the system context
* RETURNS
* Success: ERROR_SUCCESS
* Failure: NTSTATUS error code
*/
DWORD WINAPI ReadEncryptedFileRaw(PFE_EXPORT_FUNC export, PVOID callback, PVOID context)
{
FIXME("(%p, %p, %p): stub\n", export, callback, context);
return ERROR_CALL_NOT_IMPLEMENTED;
}
/******************************************************************************
* SystemFunction007 [ADVAPI32.@]
*
* MD4 hash a unicode string
*
* PARAMS
* string [I] the string to hash
* output [O] the md4 hash of the string (16 bytes)
*
* RETURNS
* Success: STATUS_SUCCESS
* Failure: STATUS_UNSUCCESSFUL
*
*/
NTSTATUS WINAPI SystemFunction007(const UNICODE_STRING *string, LPBYTE hash)
{
MD4_CTX ctx;
MD4Init( &ctx );
MD4Update( &ctx, (const BYTE *)string->Buffer, string->Length );
MD4Final( &ctx );
memcpy( hash, ctx.digest, 0x10 );
return STATUS_SUCCESS;
}
/******************************************************************************
* SystemFunction010 [ADVAPI32.@]
* SystemFunction011 [ADVAPI32.@]
*
* MD4 hashes 16 bytes of data
*
* PARAMS
* unknown [] seems to have no effect on the output
* data [I] pointer to data to hash (16 bytes)
* output [O] the md4 hash of the data (16 bytes)
*
* RETURNS
* Success: STATUS_SUCCESS
* Failure: STATUS_UNSUCCESSFUL
*
*/
NTSTATUS WINAPI SystemFunction010(LPVOID unknown, const BYTE *data, LPBYTE hash)
{
MD4_CTX ctx;
MD4Init( &ctx );
MD4Update( &ctx, data, 0x10 );
MD4Final( &ctx );
memcpy( hash, ctx.digest, 0x10 );
return STATUS_SUCCESS;
}
/******************************************************************************
* SystemFunction030 (ADVAPI32.@)
*
* Tests if two blocks of 16 bytes are equal
*
* PARAMS
* b1,b2 [I] block of 16 bytes
*
* RETURNS
* TRUE if blocks are the same
* FALSE if blocks are different
*/
BOOL WINAPI SystemFunction030(LPCVOID b1, LPCVOID b2)
{
return !memcmp(b1, b2, 0x10);
}
/******************************************************************************
* SystemFunction035 (ADVAPI32.@)
*
* Described here:
http://disc.server.com/discussion.cgi?disc=148775;article=942;title=Coding%2FASM%2FSystem
*
* NOTES
* Stub, always return TRUE.
*/
BOOL WINAPI SystemFunction035(LPCSTR lpszDllFilePath)
{
FIXME("%s: stub\n", debugstr_a(lpszDllFilePath));
return TRUE;
}
static CRITICAL_SECTION random_cs;
static CRITICAL_SECTION_DEBUG random_debug =
{
0, 0, &random_cs,
{ &random_debug.ProcessLocksList, &random_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": random_cs") }
};
static CRITICAL_SECTION random_cs = { &random_debug, -1, 0, 0, 0, 0 };
#define MAX_CPUS 128
static char random_buf[sizeof(SYSTEM_INTERRUPT_INFORMATION) * MAX_CPUS];
static ULONG random_len;
static ULONG random_pos;
/* FIXME: assumes interrupt information provides sufficient randomness */
static BOOL fill_random_buffer(void)
{
ULONG len = sizeof(SYSTEM_INTERRUPT_INFORMATION) * min( NtCurrentTeb()->Peb->NumberOfProcessors, MAX_CPUS );
NTSTATUS status;
if ((status = NtQuerySystemInformation( SystemInterruptInformation, random_buf, len, NULL )))
{
WARN( "failed to get random bytes %08lx\n", status );
return FALSE;
}
random_len = len;
random_pos = 0;
return TRUE;
}
/******************************************************************************
* SystemFunction036 (ADVAPI32.@)
*
* MSDN documents this function as RtlGenRandom and declares it in ntsecapi.h
*
* PARAMS
* pbBuffer [O] Pointer to memory to receive random bytes.
* dwLen [I] Number of random bytes to fetch.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*/
BOOLEAN WINAPI SystemFunction036( void *buffer, ULONG len )
{
char *ptr = buffer;
EnterCriticalSection( &random_cs );
while (len)
{
ULONG size;
if (random_pos >= random_len && !fill_random_buffer())
{
SetLastError( NTE_FAIL );
LeaveCriticalSection( &random_cs );
return FALSE;
}
size = min( len, random_len - random_pos );
memcpy( ptr, random_buf + random_pos, size );
random_pos += size;
ptr += size;
len -= size;
}
LeaveCriticalSection( &random_cs );
return TRUE;
}
/*
These functions have nearly identical prototypes to CryptProtectMemory and CryptUnprotectMemory,
in crypt32.dll.
*/
/******************************************************************************
* SystemFunction040 (ADVAPI32.@)
*
* MSDN documents this function as RtlEncryptMemory and declares it in ntsecapi.h.
*
* PARAMS
* memory [I/O] Pointer to memory to encrypt.
* length [I] Length of region to encrypt in bytes.
* flags [I] Control whether other processes are able to decrypt the memory.
* RTL_ENCRYPT_OPTION_SAME_PROCESS
* RTL_ENCRYPT_OPTION_CROSS_PROCESS
* RTL_ENCRYPT_OPTION_SAME_LOGON
*
* RETURNS
* Success: STATUS_SUCCESS
* Failure: NTSTATUS error code
*
* NOTES
* length must be a multiple of RTL_ENCRYPT_MEMORY_SIZE.
* If flags are specified when encrypting, the same flag value must be given
* when decrypting the memory.
*/
NTSTATUS WINAPI SystemFunction040(PVOID memory, ULONG length, ULONG flags)
{
FIXME("(%p, %lx, %lx): stub [RtlEncryptMemory]\n", memory, length, flags);
return STATUS_SUCCESS;
}
/******************************************************************************
* SystemFunction041 (ADVAPI32.@)
*
* MSDN documents this function as RtlDecryptMemory and declares it in ntsecapi.h.
*
* PARAMS
* memory [I/O] Pointer to memory to decrypt.
* length [I] Length of region to decrypt in bytes.
* flags [I] Control whether other processes are able to decrypt the memory.
* RTL_ENCRYPT_OPTION_SAME_PROCESS
* RTL_ENCRYPT_OPTION_CROSS_PROCESS
* RTL_ENCRYPT_OPTION_SAME_LOGON
*
* RETURNS
* Success: STATUS_SUCCESS
* Failure: NTSTATUS error code
*
* NOTES
* length must be a multiple of RTL_ENCRYPT_MEMORY_SIZE.
* If flags are specified when encrypting, the same flag value must be given
* when decrypting the memory.
*/
NTSTATUS WINAPI SystemFunction041(PVOID memory, ULONG length, ULONG flags)
{
FIXME("(%p, %lx, %lx): stub [RtlDecryptMemory]\n", memory, length, flags);
return STATUS_SUCCESS;
}
/******************************************************************************
* WriteEncryptedFileRaw (ADVAPI32.@)
*
* Import encrypted files
*
* PARAMS
* import [I] pointer to the import callback function
* callback [I] pointer to the application defined context
* context [I] pointer to the system context
* RETURNS
* Success: ERROR_SUCCESS
* Failure: NTSTATUS error code
*/
DWORD WINAPI WriteEncryptedFileRaw(PFE_IMPORT_FUNC import, PVOID callback, PVOID context)
{
FIXME("(%p, %p, %p): stub\n", import, callback, context);
return ERROR_CALL_NOT_IMPLEMENTED;
}
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