Sweden-Number/dlls/advapi32/crypt.c

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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/***********************************************************************
*
* TODO:
* - Reference counting
* - Thread-safing
* - Signature checking
*/
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include "wine/unicode.h"
#include "crypt.h"
#include "winnls.h"
#include "wincrypt.h"
1999-03-14 17:35:05 +01:00
#include "windef.h"
#include "winerror.h"
#include "winreg.h"
#include "winbase.h"
#include "winuser.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(crypt);
HWND crypt_hWindow = 0;
#define CRYPT_ReturnLastError(err) {SetLastError(err); return FALSE;}
#define CRYPT_Alloc(size) ((LPVOID)LocalAlloc(LMEM_ZEROINIT, size))
#define CRYPT_Free(buffer) (LocalFree((HLOCAL)buffer))
static inline PSTR CRYPT_GetProvKeyName(PCSTR pProvName)
{
const PSTR KEYSTR = "Software\\Microsoft\\Cryptography\\Defaults\\Provider\\";
PSTR keyname;
keyname = CRYPT_Alloc(strlen(KEYSTR) + strlen(pProvName) +1);
if (keyname)
{
strcpy(keyname, KEYSTR);
strcpy(keyname + strlen(KEYSTR), pProvName);
} else
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return keyname;
}
static inline PSTR CRYPT_GetTypeKeyName(DWORD dwType, BOOL user)
{
const PSTR MACHINESTR = "Software\\Microsoft\\Cryptography\\Defaults\\Provider Types\\Type XXX";
const PSTR USERSTR = "Software\\Microsoft\\Cryptography\\Provider Type XXX";
PSTR keyname;
PSTR ptr;
keyname = CRYPT_Alloc( (user ? strlen(USERSTR) : strlen(MACHINESTR)) +1);
if (keyname)
{
user ? strcpy(keyname, USERSTR) : strcpy(keyname, MACHINESTR);
ptr = keyname + strlen(keyname);
*(--ptr) = (dwType % 10) + '0';
*(--ptr) = (dwType / 10) + '0';
*(--ptr) = (dwType / 100) + '0';
} else
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return keyname;
}
/* CRYPT_UnicodeTOANSI
* wstr - unicode string
* str - pointer to ANSI string
* strsize - size of buffer pointed to by str or -1 if we have to do the allocation
*
* returns TRUE if unsuccessfull, 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)
{
int count;
if (!wstr)
{
*str = NULL;
return TRUE;
}
count = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
count = count < strsize ? count : strsize;
if (strsize == -1)
*str = CRYPT_Alloc(count * sizeof(CHAR));
if (*str)
{
WideCharToMultiByte(CP_ACP, 0, wstr, -1, *str, count, 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)
{
int wcount;
if (!str)
{
*wstr = NULL;
return TRUE;
}
wcount = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
wcount = wcount < wstrsize/sizeof(WCHAR) ? wcount : wstrsize/sizeof(WCHAR);
if (wstrsize == -1)
*wstr = CRYPT_Alloc(wcount * 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 */
BOOL CRYPT_VerifyImage(LPCSTR lpszImage, BYTE* pData)
{
if (!lpszImage || !pData)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
/* FIXME: Actually verify the image! */
return TRUE;
}
BOOL CRYPT_ReturnhWnd(HWND *phWnd)
{
if (!phWnd)
return FALSE;
*phWnd = crypt_hWindow;
return TRUE;
}
#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)
PCRYPTPROV CRYPT_LoadProvider(PSTR 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 = LoadLibraryA(pImage)) )
{
errorcode = (GetLastError() == ERROR_FILE_NOT_FOUND) ? NTE_PROV_DLL_NOT_FOUND : NTE_PROVIDER_DLL_FAIL;
goto error;
}
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->pFuncVerifyImage = CRYPT_VerifyImage;
provider->pVTable->pFuncReturnhWnd = 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)
{
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
/******************************************************************************
2001-02-15 00:11:17 +01:00
* CryptAcquireContextA (ADVAPI32.@)
* Acquire a crypto provider context handle.
*
* PARAMS
* phProv: Pointer to HCRYPTPROV for the output.
* pszContainer: Key Container Name
* pszProvider: Cryptographic Service Provider Name
* dwProvType: Crypto provider type to get a handle.
* dwFlags: flags for the operation
*
* RETURNS TRUE on success, FALSE on failure.
*/
BOOL WINAPI CryptAcquireContextA (HCRYPTPROV *phProv, LPCSTR pszContainer,
LPCSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
{
PCRYPTPROV pProv = NULL;
HKEY key;
PSTR imagepath = NULL, keyname = NULL, provname = NULL, temp = NULL;
#if 0
BYTE* signature;
#endif
DWORD keytype, type, len;
TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv, pszContainer,
pszProvider, dwProvType, dwFlags);
if (!phProv || !dwProvType)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (dwProvType > MAXPROVTYPES)
{
SetLastError(NTE_BAD_PROV_TYPE);
return FALSE;
}
if (!pszProvider)
{
/* No CSP name specified so try the user default CSP first
* then try the machine default CSP
*/
if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, TRUE)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
if (RegOpenKeyA(HKEY_CURRENT_USER, keyname, &key))
{
CRYPT_Free(keyname);
if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, FALSE)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
if (RegOpenKeyA(HKEY_LOCAL_MACHINE, keyname, &key)) goto error;
}
CRYPT_Free(keyname);
RegQueryValueExA(key, "Name", NULL, &keytype, NULL, &len);
if (!len || keytype != REG_SZ || !(provname = CRYPT_Alloc(len))) goto error;
RegQueryValueExA(key, "Name", NULL, NULL, provname, &len);
RegCloseKey(key);
} else {
if ( !(provname = CRYPT_Alloc(strlen(pszProvider) +1)) )
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
strcpy(provname, pszProvider);
}
keyname = CRYPT_GetProvKeyName(provname);
if (RegOpenKeyA(HKEY_LOCAL_MACHINE, keyname, &key)) goto error;
CRYPT_Free(keyname);
len = sizeof(DWORD);
RegQueryValueExA(key, "Type", NULL, NULL, (BYTE*)&type, &len);
if (type != dwProvType)
{
SetLastError(NTE_BAD_PROV_TYPE);
goto error;
}
RegQueryValueExA(key, "Image Path", NULL, &keytype, NULL, &len);
if (keytype != REG_SZ || !(temp = CRYPT_Alloc(len))) goto error;
RegQueryValueExA(key, "Image Path", NULL, NULL, temp, &len);
RegCloseKey(key);
len = ExpandEnvironmentStringsA(temp, NULL, 0);
if ( !(imagepath = CRYPT_Alloc(len)) )
{
SetLastError(ERROR_NOT_ENOUGH_MEMORY);
goto error;
}
if (!ExpandEnvironmentStringsA(temp, imagepath, len)) goto error;
#if 0
if (!CRYPT_VerifyImage(imagepath, signature)) goto error;
#endif
pProv = CRYPT_LoadProvider(imagepath);
CRYPT_Free(temp);
CRYPT_Free(imagepath);
if (!pProv) goto error;
if (pProv->pFuncs->pCPAcquireContext(&pProv->hPrivate, (CHAR*)pszContainer, 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)
{
FreeLibrary(pProv->hModule);
CRYPT_Free(provname);
CRYPT_Free(pProv->pFuncs);
CRYPT_Free(pProv);
} else {
pProv->pVTable->pszProvName = provname;
pProv->pVTable->dwProvType = dwProvType;
*phProv = (HCRYPTPROV)pProv;
}
return TRUE;
}
/* FALLTHROUGH TO ERROR IF FALSE - CSP internal error! */
error:
if (pProv)
{
FreeLibrary(pProv->hModule);
CRYPT_Free(pProv->pVTable);
CRYPT_Free(pProv->pFuncs);
CRYPT_Free(pProv);
}
CRYPT_Free(provname);
CRYPT_Free(temp);
CRYPT_Free(imagepath);
CRYPT_Free(keyname);
return FALSE;
}
/******************************************************************************
* CryptAcquireContextW (ADVAPI32.@)
*/
BOOL WINAPI CryptAcquireContextW (HCRYPTPROV *phProv, LPCWSTR pszContainer,
LPCWSTR pszProvider, DWORD dwProvType, DWORD dwFlags)
{
PSTR pProvider = NULL, pContainer = NULL;
BOOL ret = FALSE;
TRACE("(%p, %s, %s, %ld, %08lx)\n", phProv, debugstr_w(pszContainer),
debugstr_w(pszProvider), dwProvType, dwFlags);
if ( !CRYPT_UnicodeToANSI(pszContainer, &pContainer, -1) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
if ( !CRYPT_UnicodeToANSI(pszProvider, &pProvider, -1) )
{
CRYPT_Free(pContainer);
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
}
ret = CryptAcquireContextA(phProv, pContainer, pProvider, dwProvType, dwFlags);
if (pContainer)
CRYPT_Free(pContainer);
if (pProvider)
CRYPT_Free(pProvider);
return ret;
}
/******************************************************************************
* CryptContextAddRef (ADVAPI32.@)
*/
BOOL WINAPI CryptContextAddRef (HCRYPTPROV hProv, DWORD *pdwReserved, DWORD dwFlags)
{
FIXME("(0x%lx, %p, %08lx): stub!\n", hProv, pdwReserved, dwFlags);
return FALSE;
/* InterlockIncrement?? */
}
1999-10-31 03:07:05 +01:00
/******************************************************************************
* CryptReleaseContext (ADVAPI32.@)
1999-10-31 03:07:05 +01:00
*/
BOOL WINAPI CryptReleaseContext (HCRYPTPROV hProv, DWORD dwFlags)
1999-07-31 15:07:19 +02:00
{
PCRYPTPROV pProv = (PCRYPTPROV)hProv;
BOOL ret;
TRACE("(0x%lx, %08ld)\n", hProv, dwFlags);
if (!pProv)
{
SetLastError(NTE_BAD_UID);
return FALSE;
}
/* FIXME: Decrement the counter here first if possible */
ret = pProv->pFuncs->pCPReleaseContext(pProv->hPrivate, dwFlags);
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;
1999-07-31 15:07:19 +02:00
}
/******************************************************************************
* CryptGenRandom (ADVAPI32.@)
*/
BOOL WINAPI CryptGenRandom (HCRYPTPROV hProv, DWORD dwLen, BYTE *pbBuffer)
{
PCRYPTPROV prov = (PCRYPTPROV)hProv;
TRACE("(0x%lx, %ld, %p)\n", hProv, dwLen, pbBuffer);
if (!hProv)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
return prov->pFuncs->pCPGenRandom(prov->hPrivate, dwLen, pbBuffer);
}
/******************************************************************************
* CryptCreateHash (ADVAPI32.@)
*/
BOOL WINAPI CryptCreateHash (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTKEY hKey,
DWORD dwFlags, HCRYPTHASH *phHash)
{
PCRYPTPROV prov = (PCRYPTPROV)hProv;
PCRYPTKEY key = (PCRYPTKEY)hKey;
PCRYPTHASH hash;
TRACE("(0x%lx, 0x%x, 0x%lx, %08lx, %p)\n", hProv, Algid, hKey, dwFlags, phHash);
if (!prov)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
if (!phHash)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
if (dwFlags)
CRYPT_ReturnLastError(NTE_BAD_FLAGS);
if ( !(hash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
hash->pProvider = prov;
if (prov->pFuncs->pCPCreateHash(prov->hPrivate, Algid,
key ? key->hPrivate : 0, 0, &hash->hPrivate))
2002-08-13 20:05:19 +02:00
{
*phHash = (HCRYPTHASH)hash;
return TRUE;
}
/* CSP error! */
CRYPT_Free(hash);
return FALSE;
}
/******************************************************************************
* CryptDecrypt (ADVAPI32.@)
*/
BOOL WINAPI CryptDecrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
{
PCRYPTPROV prov;
PCRYPTKEY key = (PCRYPTKEY)hKey;
PCRYPTHASH hash = (PCRYPTHASH)hHash;
TRACE("(0x%lx, 0x%lx, %d, %08lx, %p, %p)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen);
if (!key || !pbData || !pdwDataLen)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = key->pProvider;
return prov->pFuncs->pCPDecrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
Final, dwFlags, pbData, pdwDataLen);
}
/******************************************************************************
* CryptDeriveKey (ADVAPI32.@)
*/
BOOL WINAPI CryptDeriveKey (HCRYPTPROV hProv, ALG_ID Algid, HCRYPTHASH hBaseData,
DWORD dwFlags, HCRYPTKEY *phKey)
{
PCRYPTPROV prov = (PCRYPTPROV)hProv;
PCRYPTHASH hash = (PCRYPTHASH)hBaseData;
PCRYPTKEY key;
2003-03-31 21:32:46 +02:00
TRACE("(0x%lx, 0x%08x, 0x%lx, 0x%08lx, %p)\n", hProv, Algid, hBaseData, dwFlags, phKey);
if (!prov || !hash)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
if (!phKey)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
key->pProvider = prov;
if (prov->pFuncs->pCPDeriveKey(prov->hPrivate, Algid, hash->hPrivate, dwFlags, &key->hPrivate))
2002-08-13 20:05:19 +02:00
{
*phKey = (HCRYPTKEY)key;
return TRUE;
}
/* CSP error! */
CRYPT_Free(key);
return FALSE;
}
/******************************************************************************
* CryptDestroyHash (ADVAPI32.@)
*/
BOOL WINAPI CryptDestroyHash (HCRYPTHASH hHash)
{
PCRYPTHASH hash = (PCRYPTHASH)hHash;
PCRYPTPROV prov;
BOOL ret;
TRACE("(0x%lx)\n", hHash);
if (!hash)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
prov = hash->pProvider;
ret = prov->pFuncs->pCPDestroyHash(prov->hPrivate, hash->hPrivate);
CRYPT_Free(hash);
return ret;
}
/******************************************************************************
* CryptDestroyKey (ADVAPI32.@)
*/
BOOL WINAPI CryptDestroyKey (HCRYPTKEY hKey)
{
PCRYPTKEY key = (PCRYPTKEY)hKey;
PCRYPTPROV prov;
BOOL ret;
TRACE("(0x%lx)\n", hKey);
if (!key)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
prov = key->pProvider;
ret = prov->pFuncs->pCPDestroyKey(prov->hPrivate, key->hPrivate);
CRYPT_Free(key);
return ret;
}
/******************************************************************************
* CryptDuplicateHash (ADVAPI32.@)
*/
BOOL WINAPI CryptDuplicateHash (HCRYPTHASH hHash, DWORD *pdwReserved,
DWORD dwFlags, HCRYPTHASH *phHash)
{
PCRYPTPROV prov;
PCRYPTHASH orghash, newhash;
TRACE("(0x%lx, %p, %08ld, %p)\n", hHash, pdwReserved, dwFlags, phHash);
orghash = (PCRYPTHASH)hHash;
if (!orghash || pdwReserved || !phHash)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = orghash->pProvider;
if (!prov->pFuncs->pCPDuplicateHash)
CRYPT_ReturnLastError(ERROR_CALL_NOT_IMPLEMENTED);
if ( !(newhash = CRYPT_Alloc(sizeof(CRYPTHASH))) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
newhash->pProvider = prov;
if (prov->pFuncs->pCPDuplicateHash(prov->hPrivate, orghash->hPrivate, pdwReserved, dwFlags, &newhash->hPrivate))
{
*phHash = (HCRYPTHASH)newhash;
return TRUE;
}
CRYPT_Free(newhash);
return FALSE;
}
/******************************************************************************
* CryptDuplicateKey (ADVAPI32.@)
*/
BOOL WINAPI CryptDuplicateKey (HCRYPTKEY hKey, DWORD *pdwReserved, DWORD dwFlags, HCRYPTKEY *phKey)
{
PCRYPTPROV prov;
PCRYPTKEY orgkey, newkey;
TRACE("(0x%lx, %p, %08ld, %p)\n", hKey, pdwReserved, dwFlags, phKey);
orgkey = (PCRYPTKEY)hKey;
if (!orgkey || pdwReserved || !phKey)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = orgkey->pProvider;
if (!prov->pFuncs->pCPDuplicateKey)
CRYPT_ReturnLastError(ERROR_CALL_NOT_IMPLEMENTED);
if ( !(newkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
newkey->pProvider = prov;
if (prov->pFuncs->pCPDuplicateKey(prov->hPrivate, orgkey->hPrivate, pdwReserved, dwFlags, &newkey->hPrivate))
{
*phKey = (HCRYPTKEY)newkey;
return TRUE;
}
CRYPT_Free(newkey);
return FALSE;
}
/******************************************************************************
* CryptEncrypt (ADVAPI32.@)
*/
BOOL WINAPI CryptEncrypt (HCRYPTKEY hKey, HCRYPTHASH hHash, BOOL Final,
DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen, DWORD dwBufLen)
{
PCRYPTPROV prov;
PCRYPTKEY key = (PCRYPTKEY)hKey;
PCRYPTHASH hash = (PCRYPTHASH)hHash;
TRACE("(0x%lx, 0x%lx, %d, %08ld, %p, %p, %ld)\n", hKey, hHash, Final, dwFlags, pbData, pdwDataLen, dwBufLen);
if (!key || !pdwDataLen)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = key->pProvider;
return prov->pFuncs->pCPEncrypt(prov->hPrivate, key->hPrivate, hash ? hash->hPrivate : 0,
Final, dwFlags, pbData, pdwDataLen, dwBufLen);
}
/******************************************************************************
* CryptEnumProvidersA (ADVAPI32.@)
*/
BOOL WINAPI CryptEnumProvidersA (DWORD dwIndex, DWORD *pdwReserved,
DWORD dwFlags, DWORD *pdwProvType, LPSTR pszProvName, DWORD *pcbProvName)
{
HKEY hKey;
TRACE("(%ld, %p, %ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
pdwProvType, pszProvName, pcbProvName);
if (pdwReserved || !pcbProvName) CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
if (dwFlags) CRYPT_ReturnLastError(NTE_BAD_FLAGS);
if (RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Cryptography\\Defaults\\Provider", &hKey))
CRYPT_ReturnLastError(NTE_FAIL);
if (!pszProvName)
{
DWORD numkeys;
RegQueryInfoKeyA(hKey, NULL, NULL, NULL, &numkeys, pcbProvName, NULL, NULL, NULL, NULL, NULL, NULL);
(*pcbProvName)++;
if (dwIndex >= numkeys)
CRYPT_ReturnLastError(ERROR_NO_MORE_ITEMS);
} else {
DWORD size = sizeof(DWORD);
HKEY subkey;
if (RegEnumKeyA(hKey, dwIndex, pszProvName, *pcbProvName))
return FALSE;
if (RegOpenKeyA(hKey, pszProvName, &subkey))
return FALSE;
if (RegQueryValueExA(subkey, "Type", NULL, NULL, (BYTE*)pdwProvType, &size))
return FALSE;
RegCloseKey(subkey);
}
RegCloseKey(hKey);
return TRUE;
}
/******************************************************************************
* CryptEnumProvidersW (ADVAPI32.@)
*/
BOOL WINAPI CryptEnumProvidersW (DWORD dwIndex, DWORD *pdwReserved,
DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszProvName, DWORD *pcbProvName)
{
PSTR str = NULL;
DWORD strlen;
BOOL ret; /* = FALSE; */
TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
pdwProvType, pszProvName, pcbProvName);
strlen = *pcbProvName / sizeof(WCHAR);
if ( pszProvName && (str = CRYPT_Alloc(strlen)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
ret = CryptEnumProvidersA(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &strlen);
if (str)
{
CRYPT_ANSIToUnicode(str, &pszProvName, *pcbProvName);
CRYPT_Free(str);
}
*pcbProvName = strlen * sizeof(WCHAR);
return ret;
}
/******************************************************************************
* CryptEnumProviderTypesA (ADVAPI32.@)
*/
BOOL WINAPI CryptEnumProviderTypesA (DWORD dwIndex, DWORD *pdwReserved,
DWORD dwFlags, DWORD *pdwProvType, LPSTR pszTypeName, DWORD *pcbTypeName)
{
HKEY hKey, hSubkey;
DWORD keylen, numkeys;
PSTR keyname, ch;
TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved,
dwFlags, pdwProvType, pszTypeName, pcbTypeName);
if (pdwReserved || !pdwProvType || !pcbTypeName)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
if (dwFlags) CRYPT_ReturnLastError(NTE_BAD_FLAGS);
if (RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Cryptography\\Defaults\\Provider Types", &hKey))
return FALSE;
RegQueryInfoKeyA(hKey, NULL, NULL, NULL, &numkeys, &keylen, NULL, NULL, NULL, NULL, NULL, NULL);
if (dwIndex >= numkeys)
CRYPT_ReturnLastError(ERROR_NO_MORE_ITEMS);
keylen++;
if ( !(keyname = CRYPT_Alloc(keylen)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
if ( RegEnumKeyA(hKey, dwIndex, keyname, keylen) )
return FALSE;
RegOpenKeyA(hKey, keyname, &hSubkey);
ch = keyname + strlen(keyname);
/* Convert "Type 000" to 0, etc/ */
*pdwProvType = *(--ch) - '0';
*pdwProvType += (*(--ch) - '0') * 10;
*pdwProvType += (*(--ch) - '0') * 100;
CRYPT_Free(keyname);
RegQueryValueA(hSubkey, "TypeName", pszTypeName, pcbTypeName);
RegCloseKey(hSubkey);
RegCloseKey(hKey);
return TRUE;
}
/******************************************************************************
* CryptEnumProviderTypesW (ADVAPI32.@)
*/
BOOL WINAPI CryptEnumProviderTypesW (DWORD dwIndex, DWORD *pdwReserved,
DWORD dwFlags, DWORD *pdwProvType, LPWSTR pszTypeName, DWORD *pcbTypeName)
{
PSTR str = NULL;
DWORD strlen;
BOOL ret;
TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved, dwFlags,
pdwProvType, pszTypeName, pcbTypeName);
strlen = *pcbTypeName / sizeof(WCHAR);
if ( pszTypeName && (str = CRYPT_Alloc(strlen)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
ret = CryptEnumProviderTypesA(dwIndex, pdwReserved, dwFlags, pdwProvType, str, &strlen);
if (str)
{
CRYPT_ANSIToUnicode(str, &pszTypeName, *pcbTypeName);
CRYPT_Free(str);
}
*pcbTypeName = strlen * sizeof(WCHAR);
return ret;
}
/******************************************************************************
* CryptExportKey (ADVAPI32.@)
*/
BOOL WINAPI CryptExportKey (HCRYPTKEY hKey, HCRYPTKEY hExpKey, DWORD dwBlobType,
DWORD dwFlags, BYTE *pbData, DWORD *pdwDataLen)
{
PCRYPTPROV prov;
PCRYPTKEY key = (PCRYPTKEY)hKey, expkey = (PCRYPTKEY)hExpKey;
TRACE("(0x%lx, 0x%lx, %ld, %08ld, %p, %p)\n", hKey, hExpKey, dwBlobType, dwFlags, pbData, pdwDataLen);
if (!key || pdwDataLen)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = key->pProvider;
return prov->pFuncs->pCPExportKey(prov->hPrivate, key->hPrivate, expkey ? expkey->hPrivate : 0,
dwBlobType, dwFlags, pbData, pdwDataLen);
}
/******************************************************************************
* CryptGenKey (ADVAPI32.@)
*/
BOOL WINAPI CryptGenKey (HCRYPTPROV hProv, ALG_ID Algid, DWORD dwFlags, HCRYPTKEY *phKey)
{
PCRYPTPROV prov = (PCRYPTPROV)hProv;
PCRYPTKEY key;
TRACE("(0x%lx, %d, %08ld, %p)\n", hProv, Algid, dwFlags, phKey);
if (!prov)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
if (!phKey)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
key->pProvider = prov;
if (prov->pFuncs->pCPGenKey(prov->hPrivate, Algid, dwFlags, &key->hPrivate))
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{
*phKey = (HCRYPTKEY)key;
return TRUE;
}
/* CSP error! */
CRYPT_Free(key);
return FALSE;
}
/******************************************************************************
* CryptGetDefaultProviderA (ADVAPI32.@)
*/
BOOL WINAPI CryptGetDefaultProviderA (DWORD dwProvType, DWORD *pdwReserved,
DWORD dwFlags, LPSTR pszProvName, DWORD *pcbProvName)
{
HKEY hKey;
PSTR keyname;
if (pdwReserved || !pcbProvName)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
if (dwFlags & ~(CRYPT_USER_DEFAULT | CRYPT_MACHINE_DEFAULT))
CRYPT_ReturnLastError(NTE_BAD_FLAGS);
if (dwProvType > 999)
CRYPT_ReturnLastError(NTE_BAD_PROV_TYPE);
if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
if (RegOpenKeyA((dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE ,keyname, &hKey))
{
CRYPT_Free(keyname);
CRYPT_ReturnLastError(NTE_PROV_TYPE_NOT_DEF);
}
CRYPT_Free(keyname);
if (RegQueryValueExA(hKey, "Name", NULL, NULL, pszProvName, pcbProvName))
{
if (GetLastError() != ERROR_MORE_DATA)
SetLastError(NTE_PROV_TYPE_ENTRY_BAD);
return FALSE;
}
RegCloseKey(hKey);
return TRUE;
}
/******************************************************************************
* CryptGetDefaultProviderW (ADVAPI32.@)
*/
BOOL WINAPI CryptGetDefaultProviderW (DWORD dwProvType, DWORD *pdwReserved,
DWORD dwFlags, LPWSTR pszProvName, DWORD *pcbProvName)
{
PSTR str = NULL;
DWORD strlen;
BOOL ret = FALSE;
TRACE("(%ld, %p, %08ld, %p, %p)\n", dwProvType, pdwReserved, dwFlags, pszProvName, pcbProvName);
strlen = *pcbProvName / sizeof(WCHAR);
if ( pszProvName && !(str = CRYPT_Alloc(strlen)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
ret = CryptGetDefaultProviderA(dwProvType, pdwReserved, dwFlags, str, &strlen);
if (str)
{
CRYPT_ANSIToUnicode(str, &pszProvName, *pcbProvName);
CRYPT_Free(str);
}
*pcbProvName = strlen * sizeof(WCHAR);
return ret;
}
/******************************************************************************
* CryptGetHashParam (ADVAPI32.@)
*/
BOOL WINAPI CryptGetHashParam (HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData,
DWORD *pdwDataLen, DWORD dwFlags)
{
PCRYPTPROV prov;
PCRYPTHASH hash = (PCRYPTHASH)hHash;
TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hHash, dwParam, pbData, pdwDataLen, dwFlags);
if (!hash || !pdwDataLen)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = hash->pProvider;
return prov->pFuncs->pCPGetHashParam(prov->hPrivate, hash->hPrivate, dwParam,
pbData, pdwDataLen, dwFlags);
}
/******************************************************************************
* CryptGetKeyParam (ADVAPI32.@)
*/
BOOL WINAPI CryptGetKeyParam (HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData,
DWORD *pdwDataLen, DWORD dwFlags)
{
PCRYPTPROV prov;
PCRYPTKEY key = (PCRYPTKEY)hKey;
TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hKey, dwParam, pbData, pdwDataLen, dwFlags);
if (!key || !pdwDataLen)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = key->pProvider;
return prov->pFuncs->pCPGetKeyParam(prov->hPrivate, key->hPrivate, dwParam,
pbData, pdwDataLen, dwFlags);
}
/******************************************************************************
* CryptGetProvParam (ADVAPI32.@)
*/
BOOL WINAPI CryptGetProvParam (HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData,
DWORD *pdwDataLen, DWORD dwFlags)
{
PCRYPTPROV prov = (PCRYPTPROV)hProv;
TRACE("(0x%lx, %ld, %p, %p, %08ld)\n", hProv, dwParam, pbData, pdwDataLen, dwFlags);
return prov->pFuncs->pCPGetProvParam(prov->hPrivate, dwParam, pbData, pdwDataLen, dwFlags);
}
/******************************************************************************
* CryptGetUserKey (ADVAPI32.@)
*/
BOOL WINAPI CryptGetUserKey (HCRYPTPROV hProv, DWORD dwKeySpec, HCRYPTKEY *phUserKey)
{
PCRYPTPROV prov = (PCRYPTPROV)hProv;
PCRYPTKEY key;
TRACE("(0x%lx, %ld, %p)\n", hProv, dwKeySpec, phUserKey);
if (!prov)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
if (!phUserKey)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
if ( !(key = CRYPT_Alloc(sizeof(CRYPTKEY))) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
key->pProvider = prov;
if (prov->pFuncs->pCPGetUserKey(prov->hPrivate, dwKeySpec, &key->hPrivate))
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{
*phUserKey = (HCRYPTKEY)key;
return TRUE;
}
/* CSP Error */
CRYPT_Free(key);
return FALSE;
}
/******************************************************************************
* CryptHashData (ADVAPI32.@)
*/
BOOL WINAPI CryptHashData (HCRYPTHASH hHash, BYTE *pbData, DWORD dwDataLen, DWORD dwFlags)
{
PCRYPTHASH hash = (PCRYPTHASH)hHash;
PCRYPTPROV prov;
TRACE("(0x%lx, %p, %ld, %08ld)\n", hHash, pbData, dwDataLen, dwFlags);
if (!hash)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
if (!pbData || !dwDataLen)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = hash->pProvider;
return prov->pFuncs->pCPHashData(prov->hPrivate, hash->hPrivate, pbData, dwDataLen, dwFlags);
}
/******************************************************************************
* CryptHashSessionKey (ADVAPI32.@)
*/
BOOL WINAPI CryptHashSessionKey (HCRYPTHASH hHash, HCRYPTKEY hKey, DWORD dwFlags)
{
PCRYPTHASH hash = (PCRYPTHASH)hHash;
PCRYPTKEY key = (PCRYPTKEY)hKey;
PCRYPTPROV prov;
TRACE("(0x%lx, 0x%lx, %08ld)\n", hHash, hKey, dwFlags);
if (!hash || !key)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
prov = hash->pProvider;
return prov->pFuncs->pCPHashSessionKey(prov->hPrivate, hash->hPrivate, key->hPrivate, dwFlags);
}
/******************************************************************************
* CryptImportKey (ADVAPI32.@)
*/
BOOL WINAPI CryptImportKey (HCRYPTPROV hProv, BYTE *pbData, DWORD dwDataLen,
HCRYPTKEY hPubKey, DWORD dwFlags, HCRYPTKEY *phKey)
{
PCRYPTPROV prov = (PCRYPTPROV)hProv;
PCRYPTKEY pubkey = (PCRYPTKEY)hPubKey, importkey;
TRACE("(0x%lx, %p, %ld, 0x%lx, %08ld, %p)\n", hProv, pbData, dwDataLen, hPubKey, dwFlags, phKey);
if (!prov || !pbData || !dwDataLen || !phKey)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
if ( !(importkey = CRYPT_Alloc(sizeof(CRYPTKEY))) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
importkey->pProvider = prov;
if (prov->pFuncs->pCPImportKey(prov->hPrivate, pbData, dwDataLen,
pubkey ? pubkey->hPrivate : 0, dwFlags, &importkey->hPrivate))
{
*phKey = (HCRYPTKEY)importkey;
return TRUE;
}
CRYPT_Free(importkey);
return FALSE;
}
/******************************************************************************
* CryptSignHashA
*
* Note: Since the sDesciption (string) is supposed to be NULL and
* is only retained for compatibility no string conversions are required
* and only one implementation is required for both ANSI and Unicode.
* We still need to export both:
*
* CryptSignHashA (ADVAPI32.@)
* CryptSignHashW (ADVAPI32.@)
*/
BOOL WINAPI CryptSignHashA (HCRYPTHASH hHash, DWORD dwKeySpec, LPCSTR sDescription,
DWORD dwFlags, BYTE *pbSignature, DWORD *pdwSigLen)
{
PCRYPTHASH hash = (PCRYPTHASH)hHash;
PCRYPTPROV prov;
TRACE("(0x%lx, %ld, %08ld, %p, %p)\n", hHash, dwKeySpec, dwFlags, pbSignature, pdwSigLen);
if (sDescription)
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WARN("The sDescription parameter is not supported (and no longer used). Ignoring.\n");
if (!hash)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
if (!pdwSigLen)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = hash->pProvider;
return prov->pFuncs->pCPSignHash(prov->hPrivate, hash->hPrivate, dwKeySpec, NULL,
dwFlags, pbSignature, pdwSigLen);
}
/******************************************************************************
* CryptSetHashParam (ADVAPI32.@)
*/
BOOL WINAPI CryptSetHashParam (HCRYPTHASH hHash, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
{
PCRYPTPROV prov;
PCRYPTHASH hash = (PCRYPTHASH)hHash;
TRACE("(0x%lx, %ld, %p, %08ld)\n", hHash, dwParam, pbData, dwFlags);
if (!hash || !pbData)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = hash->pProvider;
return prov->pFuncs->pCPSetHashParam(prov->hPrivate, hash->hPrivate,
dwParam, pbData, dwFlags);
}
/******************************************************************************
* CryptSetKeyParam (ADVAPI32.@)
*/
BOOL WINAPI CryptSetKeyParam (HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
{
PCRYPTPROV prov;
PCRYPTKEY key = (PCRYPTKEY)hKey;
TRACE("(0x%lx, %ld, %p, %08ld)\n", hKey, dwParam, pbData, dwFlags);
if (!key || !pbData)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = key->pProvider;
return prov->pFuncs->pCPSetKeyParam(prov->hPrivate, key->hPrivate,
dwParam, pbData, dwFlags);
}
/******************************************************************************
* CryptSetProviderA (ADVAPI32.@)
*/
BOOL WINAPI CryptSetProviderA (LPCSTR pszProvName, DWORD dwProvType)
{
TRACE("(%s, %ld)\n", pszProvName, dwProvType);
return CryptSetProviderExA(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
}
/******************************************************************************
* CryptSetProviderW (ADVAPI32.@)
*/
BOOL WINAPI CryptSetProviderW (LPCWSTR pszProvName, DWORD dwProvType)
{
TRACE("(%s, %ld)\n", debugstr_w(pszProvName), dwProvType);
return CryptSetProviderExW(pszProvName, dwProvType, NULL, CRYPT_USER_DEFAULT);
}
/******************************************************************************
2001-10-09 23:48:39 +02:00
* CryptSetProviderExA (ADVAPI32.@)
*/
BOOL WINAPI CryptSetProviderExA (LPCSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
{
HKEY hKey;
PSTR keyname;
TRACE("(%s, %ld, %p, %08ld)\n", pszProvName, dwProvType, pdwReserved, dwFlags);
if (!pszProvName || pdwReserved)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
if (dwProvType > MAXPROVTYPES)
CRYPT_ReturnLastError(NTE_BAD_PROV_TYPE);
if (dwFlags & ~(CRYPT_MACHINE_DEFAULT | CRYPT_USER_DEFAULT | CRYPT_DELETE_DEFAULT)
|| dwFlags == CRYPT_DELETE_DEFAULT)
CRYPT_ReturnLastError(NTE_BAD_FLAGS);
if (dwFlags & CRYPT_DELETE_DEFAULT)
{
if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
RegDeleteKeyA( (dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, keyname);
CRYPT_Free(keyname);
return TRUE;
}
if ( !(keyname = CRYPT_GetProvKeyName(pszProvName)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
if (RegOpenKeyA(HKEY_LOCAL_MACHINE, keyname, &hKey))
{
CRYPT_Free(keyname);
CRYPT_ReturnLastError(NTE_BAD_PROVIDER);
}
CRYPT_Free(keyname);
RegCloseKey(hKey);
if ( !(keyname = CRYPT_GetTypeKeyName(dwProvType, dwFlags & CRYPT_USER_DEFAULT)) )
CRYPT_ReturnLastError(ERROR_NOT_ENOUGH_MEMORY);
RegCreateKeyA( (dwFlags & CRYPT_USER_DEFAULT) ? HKEY_CURRENT_USER : HKEY_LOCAL_MACHINE, keyname, &hKey);
CRYPT_Free(keyname);
if (RegSetValueExA(hKey, "Name", 0, REG_SZ, pszProvName, strlen(pszProvName) +1))
return FALSE;
return TRUE;
}
/******************************************************************************
* CryptSetProviderExW (ADVAPI32.@)
*/
BOOL WINAPI CryptSetProviderExW (LPCWSTR pszProvName, DWORD dwProvType, DWORD *pdwReserved, DWORD dwFlags)
{
BOOL ret = FALSE;
PSTR str = NULL;
TRACE("(%s, %ld, %p, %08ld)\n", debugstr_w(pszProvName), dwProvType, pdwReserved, dwFlags);
if (CRYPT_UnicodeToANSI(pszProvName, &str, -1))
{
ret = CryptSetProviderExA(str, dwProvType, pdwReserved, dwFlags);
CRYPT_Free(str);
}
return ret;
}
/******************************************************************************
* CryptSetProvParam (ADVAPI32.@)
*/
BOOL WINAPI CryptSetProvParam (HCRYPTPROV hProv, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
{
PCRYPTPROV prov = (PCRYPTPROV)hProv;
TRACE("(0x%lx, %ld, %p, %08ld)\n", hProv, dwParam, pbData, dwFlags);
if (!prov)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
if (dwFlags & 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);
}
/******************************************************************************
* CryptVerifySignatureA
*
* Note: Since the sDesciption (string) is supposed to be NULL and
* is only retained for compatibility no string conversions are required
* and only one implementation is required for both ANSI and Unicode.
* We still need to export both:
*
* CryptVerifySignatureA (ADVAPI32.@)
* CryptVerifySignatureW (ADVAPI32.@)
*/
BOOL WINAPI CryptVerifySignatureA (HCRYPTHASH hHash, BYTE *pbSignature, DWORD dwSigLen,
HCRYPTKEY hPubKey, LPCSTR sDescription, DWORD dwFlags)
{
PCRYPTHASH hash = (PCRYPTHASH)hHash;
PCRYPTKEY key = (PCRYPTKEY)hPubKey;
PCRYPTPROV prov;
TRACE("(0x%lx, %p, %ld, 0x%lx, %08ld)\n", hHash, pbSignature,
dwSigLen, hPubKey, dwFlags);
if (sDescription)
2002-05-24 23:17:59 +02:00
WARN("The sDescription parameter is not supported (and no longer used). Ignoring.\n");
if (!hash || !key)
CRYPT_ReturnLastError(ERROR_INVALID_HANDLE);
if (!pbSignature || !dwSigLen)
CRYPT_ReturnLastError(ERROR_INVALID_PARAMETER);
prov = hash->pProvider;
return prov->pFuncs->pCPVerifySignature(prov->hPrivate, hash->hPrivate, pbSignature, dwSigLen,
key->hPrivate, NULL, dwFlags);
}