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vletoux |
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/* OpenPGP Smart Card Mini Driver |
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Copyright (C) 2009 Vincent Le Toux |
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This library is Free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License version 2.1 as published by the Free Software Foundation. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public |
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License along with this library; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include <windows.h> |
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#include <tchar.h> |
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#include <Cryptuiapi.h> |
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#include <commctrl.h> |
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#include "dialog.h" |
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#pragma comment(lib,"Cryptui") |
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#pragma comment(lib,"Crypt32") |
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extern HWND hMainWnd; |
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BOOL SchGetProviderNameFromCardName(__in LPCTSTR szCardName, __out LPTSTR szProviderName, __out PDWORD pdwProviderNameLen) |
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{ |
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// get provider name |
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SCARDCONTEXT hSCardContext; |
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LONG lCardStatus; |
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lCardStatus = SCardEstablishContext(SCARD_SCOPE_USER,NULL,NULL,&hSCardContext); |
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if (SCARD_S_SUCCESS != lCardStatus) |
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{ |
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return FALSE; |
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} |
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lCardStatus = SCardGetCardTypeProviderName(hSCardContext, |
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szCardName, |
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SCARD_PROVIDER_CSP, |
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szProviderName, |
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pdwProviderNameLen); |
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if (SCARD_S_SUCCESS != lCardStatus) |
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{ |
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SCardReleaseContext(hSCardContext); |
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return FALSE; |
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} |
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SCardReleaseContext(hSCardContext); |
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return TRUE; |
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} |
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DWORD ListContainer() |
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{ |
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HCRYPTPROV HMainCryptProv = NULL; |
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BOOL bStatus = FALSE; |
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LPTSTR szMainContainerName = NULL; |
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CHAR szContainerName[1024]; |
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DWORD dwContainerNameLen = sizeof(szContainerName); |
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DWORD dwErr = 0; |
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DWORD dwFlags = CRYPT_FIRST; |
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DWORD dwContextArrayLen = 0; |
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HCRYPTPROV hProv = NULL; |
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HCRYPTKEY hKey = NULL; |
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LPBYTE pbCert = NULL; |
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DWORD dwCertLen = 0; |
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PCCERT_CONTEXT pCertContext = NULL; |
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DWORD pKeySpecs[2] = { AT_KEYEXCHANGE,AT_SIGNATURE}; |
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PCCERT_CONTEXT pSelectedContext = NULL; |
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HCERTSTORE hStore = NULL; |
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TCHAR szCardName[256]; |
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TCHAR szReaderName[256]; |
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TCHAR szOutProviderName[256]; |
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DWORD dwOutProviderLength = ARRAYSIZE(szOutProviderName); |
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OPENCARDNAME_EX dlgStruct; |
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DWORD dwReturn; |
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SCARDCONTEXT hSCardContext = NULL; |
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SCARDHANDLE hSCardHandle = NULL; |
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__try |
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{ |
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SendMessage(GetDlgItem(hMainWnd, IDC_LSTCONTAINER),LB_RESETCONTENT,0,0); |
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dwReturn = SCardEstablishContext(SCARD_SCOPE_USER, |
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NULL, |
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NULL, |
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&hSCardContext ); |
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if ( SCARD_S_SUCCESS != dwReturn ) |
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{ |
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__leave; |
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} |
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// Initialize the structure. |
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memset(&dlgStruct, 0, sizeof(dlgStruct)); |
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dlgStruct.dwStructSize = sizeof(dlgStruct); |
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dlgStruct.hSCardContext = hSCardContext; |
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dlgStruct.dwFlags = SC_DLG_MINIMAL_UI; |
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dlgStruct.lpstrRdr = szReaderName; |
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dlgStruct.nMaxRdr = ARRAYSIZE(szReaderName); |
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dlgStruct.lpstrCard = szCardName; |
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dlgStruct.nMaxCard = ARRAYSIZE(szCardName); |
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dlgStruct.lpstrTitle = L"Select Card"; |
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dlgStruct.dwShareMode = 0; |
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// Display the select card dialog box. |
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dwReturn = SCardUIDlgSelectCard(&dlgStruct); |
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if ( SCARD_S_SUCCESS != dwReturn ) |
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{ |
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__leave; |
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} |
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dwReturn = SCardUIDlgSelectCard(&dlgStruct); |
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if ( SCARD_S_SUCCESS != dwReturn ) |
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{ |
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__leave; |
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} |
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if (!SchGetProviderNameFromCardName(szCardName, szOutProviderName, &dwOutProviderLength)) |
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{ |
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dwReturn = GetLastError(); |
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__leave; |
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} |
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size_t ulNameLen = _tcslen(szReaderName); |
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szMainContainerName = (LPWSTR) LocalAlloc(0,(DWORD)(ulNameLen + 6) * sizeof(WCHAR)); |
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if (!szMainContainerName) |
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{ |
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dwReturn = GetLastError(); |
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__leave; |
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} |
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swprintf_s(szMainContainerName,(ulNameLen + 6), L"\\\\.\\%s\\", szReaderName); |
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bStatus = CryptAcquireContext(&HMainCryptProv, |
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szMainContainerName, |
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szOutProviderName, |
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PROV_RSA_FULL, |
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CRYPT_SILENT); |
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if (!bStatus) |
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{ |
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dwReturn = GetLastError(); |
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if (dwReturn == NTE_BAD_KEYSET) |
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{ |
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bStatus = CryptAcquireContext(&HMainCryptProv,NULL, szOutProviderName, PROV_RSA_FULL, CRYPT_SILENT); |
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if (!bStatus) |
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{ |
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dwReturn = GetLastError(); |
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__leave; |
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} |
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} |
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else |
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{ |
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__leave; |
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} |
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} |
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/* Enumerate all the containers */ |
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while (CryptGetProvParam(HMainCryptProv, |
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PP_ENUMCONTAINERS, |
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(LPBYTE) szContainerName, |
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&dwContainerNameLen, |
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dwFlags) && |
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(dwContextArrayLen < 128) |
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) |
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{ |
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// convert the container name to unicode |
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int wLen = MultiByteToWideChar(CP_ACP, 0, szContainerName, -1, NULL, 0); |
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LPWSTR szWideContainerName = (LPWSTR) LocalAlloc(0,wLen * sizeof(WCHAR)); |
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MultiByteToWideChar(CP_ACP, 0, szContainerName, -1, szWideContainerName, wLen); |
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// Acquire a context on the current container |
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if (CryptAcquireContext(&hProv, |
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szWideContainerName, |
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szOutProviderName, |
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PROV_RSA_FULL, |
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0)) |
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{ |
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// Loop over all the key specs |
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for (int i = 0; i < 2; i++) |
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{ |
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if (CryptGetUserKey(hProv, |
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pKeySpecs[i], |
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&hKey) ) |
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{ |
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TCHAR szText[256]; |
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_stprintf_s(szText, ARRAYSIZE(szText), TEXT("%s %d"),szWideContainerName,pKeySpecs[i]); |
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SendDlgItemMessage(hMainWnd,IDC_LSTCONTAINER,LB_ADDSTRING,0,(LPARAM)szText); |
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CryptDestroyKey(hKey); |
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hKey = NULL; |
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} |
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} |
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CryptReleaseContext(hProv, 0); |
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hProv = NULL; |
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} |
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LocalFree(szWideContainerName); |
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// prepare parameters for the next loop |
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dwContainerNameLen = sizeof(szContainerName); |
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dwFlags = 0; |
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} |
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} |
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__finally |
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{ |
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if (hKey) |
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CryptDestroyKey(hKey); |
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if (hProv) |
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CryptReleaseContext(hProv, 0); |
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if (szMainContainerName) |
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LocalFree(szMainContainerName); |
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if (HMainCryptProv) |
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CryptReleaseContext(HMainCryptProv, 0); |
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} |
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return dwReturn; |
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} |
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DWORD ViewCertificate(PTSTR szContainer, DWORD dwKeySpec) |
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{ |
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BOOL bStatus; |
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DWORD dwReturn = 0; |
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HCRYPTPROV hProv = NULL; |
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HCRYPTKEY hKey = NULL; |
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DWORD dwCertLen = 0; |
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PBYTE pbCert = NULL; |
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PCCERT_CONTEXT pCertContext = NULL; |
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CRYPTUI_VIEWCERTIFICATE_STRUCT certViewInfo; |
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BOOL fPropertiesChanged = FALSE; |
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__try |
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{ |
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bStatus = CryptAcquireContext(&hProv,szContainer, MS_SCARD_PROV, PROV_RSA_FULL, CRYPT_SILENT); |
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if (!bStatus) |
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{ |
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dwReturn = GetLastError(); |
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__leave; |
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} |
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bStatus = CryptGetUserKey(hProv, dwKeySpec, &hKey); |
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if (!bStatus) |
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{ |
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dwReturn = GetLastError(); |
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__leave; |
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} |
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bStatus = CryptGetKeyParam(hKey, |
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KP_CERTIFICATE, |
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NULL, |
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&dwCertLen, |
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0); |
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if (!bStatus) |
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{ |
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dwReturn = GetLastError(); |
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__leave; |
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} |
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pbCert = (LPBYTE) LocalAlloc(0,dwCertLen); |
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if (!pbCert) |
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{ |
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dwReturn = GetLastError(); |
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__leave; |
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} |
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bStatus = CryptGetKeyParam(hKey, |
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KP_CERTIFICATE, |
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pbCert, |
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&dwCertLen, |
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0); |
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if (!bStatus) |
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{ |
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dwReturn = GetLastError(); |
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__leave; |
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} |
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pCertContext = CertCreateCertificateContext( |
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X509_ASN_ENCODING|PKCS_7_ASN_ENCODING, |
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pbCert, |
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dwCertLen); |
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if (!pCertContext) |
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{ |
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dwReturn = GetLastError(); |
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__leave; |
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} |
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certViewInfo.dwSize = sizeof(CRYPTUI_VIEWCERTIFICATE_STRUCT); |
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certViewInfo.hwndParent = hMainWnd; |
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certViewInfo.dwFlags = CRYPTUI_DISABLE_EDITPROPERTIES | CRYPTUI_DISABLE_ADDTOSTORE | CRYPTUI_DISABLE_EXPORT | CRYPTUI_DISABLE_HTMLLINK; |
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certViewInfo.szTitle = TEXT("Info"); |
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certViewInfo.pCertContext = pCertContext; |
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certViewInfo.cPurposes = 0; |
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certViewInfo.rgszPurposes = 0; |
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certViewInfo.pCryptProviderData = NULL; |
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certViewInfo.hWVTStateData = NULL; |
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certViewInfo.fpCryptProviderDataTrustedUsage = FALSE; |
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certViewInfo.idxSigner = 0; |
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certViewInfo.idxCert = 0; |
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certViewInfo.fCounterSigner = FALSE; |
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certViewInfo.idxCounterSigner = 0; |
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certViewInfo.cStores = 0; |
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certViewInfo.rghStores = NULL; |
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certViewInfo.cPropSheetPages = 0; |
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certViewInfo.rgPropSheetPages = NULL; |
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certViewInfo.nStartPage = 0; |
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dwReturn = CryptUIDlgViewCertificate(&certViewInfo,&fPropertiesChanged); |
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} |
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__finally |
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{ |
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if (pCertContext) |
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CertFreeCertificateContext(pCertContext); |
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if (pbCert) |
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LocalFree(pbCert); |
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if (hKey) |
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CryptDestroyKey(hKey); |
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if (hProv) |
| 308 |
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CryptReleaseContext(hProv, 0); |
| 309 |
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} |
| 310 |
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return dwReturn; |
| 311 |
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} |
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DWORD Sign(PTSTR szContainer, DWORD dwKeySpec) |
| 314 |
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{ |
| 315 |
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BOOL bStatus; |
| 316 |
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DWORD dwReturn = 0; |
| 317 |
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HCRYPTPROV hProv = NULL; |
| 318 |
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HCRYPTKEY hKey = NULL; |
| 319 |
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HCRYPTHASH hHash = NULL; |
| 320 |
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PBYTE pbSignature = NULL; |
| 321 |
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DWORD dwSignatureSize = 0; |
| 322 |
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BYTE pbChallenge[20]; |
| 323 |
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TCHAR szDescription[] = TEXT("Test"); |
| 324 |
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__try |
| 325 |
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{ |
| 326 |
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bStatus = CryptAcquireContext(&hProv,szContainer, MS_SCARD_PROV, PROV_RSA_FULL, 0); |
| 327 |
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if (!bStatus) |
| 328 |
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{ |
| 329 |
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dwReturn = GetLastError(); |
| 330 |
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__leave; |
| 331 |
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} |
| 332 |
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bStatus = CryptGetUserKey(hProv, dwKeySpec, &hKey); |
| 333 |
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if (!bStatus) |
| 334 |
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{ |
| 335 |
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dwReturn = GetLastError(); |
| 336 |
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__leave; |
| 337 |
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} |
| 338 |
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bStatus = CryptGenRandom(hProv,ARRAYSIZE(pbChallenge),pbChallenge); |
| 339 |
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if (!bStatus) |
| 340 |
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{ |
| 341 |
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dwReturn = GetLastError(); |
| 342 |
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__leave; |
| 343 |
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} |
| 344 |
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if (!CryptCreateHash(hProv,CALG_SHA,NULL,0,&hHash)) |
| 345 |
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{ |
| 346 |
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dwReturn = GetLastError(); |
| 347 |
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__leave; |
| 348 |
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} |
| 349 |
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if (!CryptSetHashParam(hHash, HP_HASHVAL, pbChallenge, 0)) |
| 350 |
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{ |
| 351 |
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dwReturn = GetLastError(); |
| 352 |
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__leave; |
| 353 |
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} |
| 354 |
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if (!CryptSignHash(hHash,dwKeySpec, szDescription, 0, NULL, &dwSignatureSize)) |
| 355 |
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{ |
| 356 |
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dwReturn = GetLastError(); |
| 357 |
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__leave; |
| 358 |
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} |
| 359 |
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pbSignature = (PBYTE) LocalAlloc(0,dwSignatureSize); |
| 360 |
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if (!pbSignature) |
| 361 |
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{ |
| 362 |
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dwReturn = GetLastError(); |
| 363 |
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__leave; |
| 364 |
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} |
| 365 |
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if (!CryptSignHash(hHash,dwKeySpec, szDescription, 0, pbSignature, &dwSignatureSize)) |
| 366 |
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{ |
| 367 |
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dwReturn = GetLastError(); |
| 368 |
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__leave; |
| 369 |
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} |
| 370 |
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if (!CryptVerifySignature(hHash, pbSignature, dwSignatureSize, hKey, szDescription, 0)) |
| 371 |
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{ |
| 372 |
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dwReturn = GetLastError(); |
| 373 |
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} |
| 374 |
|
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} |
| 375 |
|
|
__finally |
| 376 |
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{ |
| 377 |
|
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if (pbSignature) |
| 378 |
|
|
LocalFree(pbSignature); |
| 379 |
|
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if (hHash) |
| 380 |
|
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CryptDestroyHash(hHash); |
| 381 |
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if (hKey) |
| 382 |
|
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CryptDestroyKey(hKey); |
| 383 |
|
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if (hProv) |
| 384 |
|
|
CryptReleaseContext(hProv, 0); |
| 385 |
|
|
} |
| 386 |
|
|
return dwReturn; |
| 387 |
|
|
} |
| 388 |
|
|
|
| 389 |
|
|
DWORD Decrypt(PTSTR szContainer, DWORD dwKeySpec) |
| 390 |
|
|
{ |
| 391 |
|
|
BOOL bStatus; |
| 392 |
|
|
DWORD dwReturn = 0; |
| 393 |
|
|
HCRYPTPROV hProv = NULL; |
| 394 |
|
|
HCRYPTKEY hKey = NULL; |
| 395 |
|
|
HCRYPTHASH hHash = NULL; |
| 396 |
|
|
PBYTE pbCrypt = NULL; |
| 397 |
|
|
DWORD dwCryptSize = 0, dwBufferSize; |
| 398 |
|
|
BYTE pbChallenge[]= |
| 399 |
|
|
{0x09,0x59,0x1B,0x38,0x56,0xBD,0x71,0xA2,0x38,0x70,0x4E,0xDC,0x47,0xB3,0x0B,0x19,0xB3, |
| 400 |
|
|
0x33,0x65,0x79,0xF7,0x46,0x4C,0xBF,0x24,0x77, |
| 401 |
|
|
0x7E,0x06,0x1D,0xA6,0x97,0x46,0x08,0x0C,0x95}; |
| 402 |
|
|
BYTE pbDecrypt[] = |
| 403 |
|
|
{0x5D,0x29,0xB8,0xC2,0x27,0x26,0xAC,0x36,0x29,0x40,0xEF,0x38,0x65,0xD0,0x37,0x85,0x11,0x91 |
| 404 |
|
|
,0x18,0x98,0x6A,0xDF,0xA4,0x5A,0xC2,0x66,0x4F,0x1E,0xF6,0xC5,0xE5,0xEE,0x85,0xC2,0x0A,0xA6,0xFF,0x69,0x6D,0xF1,0xF5,0xEA,0x83,0x49 |
| 405 |
|
|
,0xB6,0x8E,0xE2,0xE8,0x2C,0x0B,0x38,0x9B,0x70,0x60,0xF8,0x1F,0xE1,0xCC,0xE5,0xA4,0xD9,0xF6,0x39,0x8D,0x94,0x6A,0x36,0xF0,0xA5,0x8B |
| 406 |
|
|
,0xF3,0x7F,0xC1,0xC8,0x53,0x42,0x70,0x33,0x6E,0x28,0xFC,0x5E,0xAC,0x7B,0xBC,0xB5,0x0D,0x93,0xD6,0xCC,0xF3,0x05,0x47,0xD8,0xAB,0x5E |
| 407 |
|
|
,0x43,0x8B,0x17,0x27,0x38,0x70,0xC9,0x0D,0xFC,0xF6,0x8F,0xEA,0x63,0xBB,0xF4,0x58,0xB1,0x8B,0x8D,0xC7,0x89,0x43,0x7A,0x69,0xEC,0x1E |
| 408 |
|
|
,0x9F,0x13,0xFC,0xC2,0x73,0xEA,0x04,0x0C,0x4E,0x1B,0x1B,0x55,0x51,0x14,0x20,0x90,0x60,0x30,0x73,0x11,0xE8,0x6F,0xF0,0x45,0xC0,0x49 |
| 409 |
|
|
,0x1A,0x0B,0x9F,0x7C,0x30,0x5E,0xF9,0x69,0x2F,0x98,0x2C,0x53,0x06,0x02,0x93,0xAE,0xC8,0x12,0xEE,0x81,0xD4,0x9C,0xE6,0x16,0xB2,0x7D |
| 410 |
|
|
,0xF3,0x3E,0x9D,0xB5,0xDC,0x39,0x39,0x43,0xA1,0x37,0x81,0x06,0xC8,0x8D,0x40,0xB0,0x62,0x8F,0xE1,0x6C,0xB3,0xDE,0x08,0xC2,0x06,0xD5 |
| 411 |
|
|
,0x8A,0x57,0xB5,0x3A,0x24,0x7A,0x75,0x97,0xDD,0x06,0x3B,0x16,0x4D,0xEE,0xC7,0x5E,0x88,0x49,0xF0,0x02,0x3C,0x99,0x93,0xE2,0x98,0xC5 |
| 412 |
|
|
,0x8A,0x65,0x2F,0x85,0x99,0x25,0xC3,0x91,0x62,0x9E,0x39,0xB7,0xAB,0xB6,0x51,0x0C,0x74,0x98,0x5C,0x58,0x70,0x44,0xDE,0x79,0xF0,0xC5 |
| 413 |
|
|
,0x04,0xAF,0x59,0xA5}; |
| 414 |
|
|
__try |
| 415 |
|
|
{ |
| 416 |
|
|
bStatus = CryptAcquireContext(&hProv,szContainer, MS_SCARD_PROV, PROV_RSA_FULL, 0); |
| 417 |
|
|
if (!bStatus) |
| 418 |
|
|
{ |
| 419 |
|
|
dwReturn = GetLastError(); |
| 420 |
|
|
__leave; |
| 421 |
|
|
} |
| 422 |
|
|
bStatus = CryptGetUserKey(hProv, dwKeySpec, &hKey); |
| 423 |
|
|
if (!bStatus) |
| 424 |
|
|
{ |
| 425 |
|
|
dwReturn = GetLastError(); |
| 426 |
|
|
__leave; |
| 427 |
|
|
} |
| 428 |
|
|
//bStatus = CryptGenRandom(hProv,ARRAYSIZE(pbChallenge),pbChallenge); |
| 429 |
|
|
if (!bStatus) |
| 430 |
|
|
{ |
| 431 |
|
|
dwReturn = GetLastError(); |
| 432 |
|
|
__leave; |
| 433 |
|
|
} |
| 434 |
|
|
dwCryptSize = 0; |
| 435 |
|
|
dwBufferSize = ARRAYSIZE(pbChallenge); |
| 436 |
|
|
if (!CryptEncrypt(hKey,NULL, TRUE, 0, NULL, &dwBufferSize,0)) |
| 437 |
|
|
{ |
| 438 |
|
|
dwReturn = GetLastError(); |
| 439 |
|
|
__leave; |
| 440 |
|
|
} |
| 441 |
|
|
pbCrypt = (PBYTE) LocalAlloc(0,dwBufferSize); |
| 442 |
|
|
if (!pbCrypt) |
| 443 |
|
|
{ |
| 444 |
|
|
dwReturn = GetLastError(); |
| 445 |
|
|
__leave; |
| 446 |
|
|
} |
| 447 |
|
|
memcpy(pbCrypt, pbChallenge, ARRAYSIZE(pbChallenge)); |
| 448 |
|
|
dwCryptSize = ARRAYSIZE(pbChallenge); |
| 449 |
|
|
if (!CryptEncrypt(hKey,NULL, FALSE, 0, pbCrypt, &dwCryptSize,dwBufferSize)) |
| 450 |
|
|
{ |
| 451 |
|
|
dwReturn = GetLastError(); |
| 452 |
|
|
__leave; |
| 453 |
|
|
} |
| 454 |
|
|
//if (!CryptDecrypt(hKey, NULL, FALSE, 0, pbCrypt, &dwCryptSize)) |
| 455 |
|
|
dwCryptSize = ARRAYSIZE(pbDecrypt); |
| 456 |
|
|
if (!CryptDecrypt(hKey, NULL, FALSE, 0, pbDecrypt, &dwCryptSize)) |
| 457 |
|
|
{ |
| 458 |
|
|
dwReturn = GetLastError(); |
| 459 |
|
|
__leave; |
| 460 |
|
|
} |
| 461 |
|
|
if (dwCryptSize != ARRAYSIZE(pbChallenge)) |
| 462 |
|
|
{ |
| 463 |
|
|
dwReturn = NTE_BAD_DATA; |
| 464 |
|
|
__leave; |
| 465 |
|
|
} |
| 466 |
|
|
if (memcmp(pbChallenge, pbCrypt, dwCryptSize) != 0) |
| 467 |
|
|
{ |
| 468 |
|
|
dwReturn = NTE_BAD_DATA; |
| 469 |
|
|
__leave; |
| 470 |
|
|
} |
| 471 |
|
|
} |
| 472 |
|
|
__finally |
| 473 |
|
|
{ |
| 474 |
|
|
if (pbCrypt) |
| 475 |
|
|
LocalFree(pbCrypt); |
| 476 |
|
|
if (hKey) |
| 477 |
|
|
CryptDestroyKey(hKey); |
| 478 |
|
|
if (hProv) |
| 479 |
|
|
CryptReleaseContext(hProv, 0); |
| 480 |
|
|
} |
| 481 |
|
|
return dwReturn; |
| 482 |
|
|
} |
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