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/* OpenPGP Smart Card Mini Driver |
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Copyright (C) 2009 Vincent Le Toux |
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|
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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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|
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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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|
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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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|
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#include <windows.h> |
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#include <stdio.h> |
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#include <cardmod.h> |
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#include "Tracing.h" |
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#include "Context.h" |
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#include "SmartCard.h" |
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#include "CryptoOperations.h" |
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#include "PinOperations.h" |
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#include "PublicDataOperations.h" |
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#include "tlv.h" |
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|
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OPENPGP_CONTAINER_INFO Containers[] = |
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{ |
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{0xB6, 0xCE, 0xC7, CALG_RSA_SIGN, AT_SIGNATURE, ROLE_SIGNATURE}, |
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{0xA4, 0xD0, 0xC9, CALG_RSA_SIGN, AT_SIGNATURE, ROLE_AUTHENTICATION}, |
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{0xB8, 0xCF, 0xC8, CALG_RSA_KEYX, AT_KEYEXCHANGE, ROLE_CONFIDENTIALITY} |
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|
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}; |
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|
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typedef struct _OPENPGP_SUPPORTED_SIGNATURE_ALGORITHM |
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{ |
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ALG_ID aiHashAlg; |
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DWORD dwHashSize; |
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PBYTE pbEncodedOid; |
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DWORD dwEncodedOidSize; |
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} OPENPGP_SUPPORTED_SIGNATURE_ALGORITHM, *POPENPGP_SUPPORTED_SIGNATURE_ALGORITHM; |
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|
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BYTE dwSHA1EncodedOid[] = {0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, |
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0x02, 0x1a, 0x05, 0x00, 0x04, 0x14}; |
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BYTE dwSHA256EncodedOid[] = {0x30, 0x31, 0x30, 0x0D,0x06, 0x09, 0x60, 0x86, 0x48, 0x01, |
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0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20}; |
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BYTE dwSHA384EncodedOid[] = {0x30, 0x41, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, |
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0x65, 0x03, 0x04, 0x02, 0x02, 0x05, 0x00, 0x04, 0x30}; |
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BYTE dwSHA512EncodedOid[] = {0x30, 0x41, 0x30, 0x0D, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, |
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0x65, 0x03, 0x04, 0x02, 0x03, 0x05, 0x00, 0x04, 0x40}; |
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|
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OPENPGP_SUPPORTED_SIGNATURE_ALGORITHM SignatureAlgorithm[] = |
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{ |
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{CALG_SHA1,20, |
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dwSHA1EncodedOid, |
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ARRAYSIZE(dwSHA1EncodedOid)}, |
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{CALG_SHA-256,32, |
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dwSHA256EncodedOid, |
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ARRAYSIZE(dwSHA256EncodedOid)}, |
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{CALG_SHA-384,48, |
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dwSHA384EncodedOid, |
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ARRAYSIZE(dwSHA384EncodedOid)}, |
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{CALG_SHA-512,64, |
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dwSHA512EncodedOid, |
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ARRAYSIZE(dwSHA512EncodedOid)}, |
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}; |
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|
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DWORD dwSignatureAlgorithmCount = ARRAYSIZE(SignatureAlgorithm); |
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|
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|
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|
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typedef struct _RSAPUBLICKEYBLOB |
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{ |
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BLOBHEADER blobheader; |
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RSAPUBKEY rsapubkey; |
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BYTE modulus[sizeof(DWORD)]; |
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} RSAPUBLICKEYBLOB, *PRSAPUBLICKEYBLOB; |
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|
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|
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DWORD OCardGetKeyAlgorithmAttributes(__in PCARD_DATA pCardData, |
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__in OPENPGP_CONTAINER dwContainer, |
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__out POPENPGP_ALGORITHM_ATTRIBUTE pAttributes) |
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{ |
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DWORD dwReturn; |
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PSTR szAlgorithmAttributes = NULL; |
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PBYTE pbData = NULL; |
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DWORD dwResponseSize; |
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WORD wTemp; |
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__try |
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{ |
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Trace(WINEVENT_LEVEL_VERBOSE, L"Enter dwContainer=%d",dwContainer); |
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switch(dwContainer) |
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{ |
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case Signature: |
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szAlgorithmAttributes = szOpenPGPAlgoAttributesSignature; |
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break; |
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case Authentication: |
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szAlgorithmAttributes = szOpenPGPAlgoAttributesDecryption; |
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break; |
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case Confidentiality: |
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szAlgorithmAttributes = szOpenPGPAlgoAttributesAuthentication; |
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break; |
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default: |
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dwReturn = SCARD_E_NO_KEY_CONTAINER; |
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Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_KEY_CONTAINER %d", dwContainer); |
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__leave; |
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} |
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dwReturn = OCardReadFile(pCardData, szOpenPGPDir, szAlgorithmAttributes, &pbData, &dwResponseSize); |
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if (dwReturn) |
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{ |
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__leave; |
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} |
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if (dwResponseSize != sizeof(OPENPGP_ALGORITHM_ATTRIBUTE)) |
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{ |
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dwReturn = SCARD_E_UNEXPECTED; |
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Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_UNEXPECTED"); |
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__leave; |
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} |
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memcpy(pAttributes, pbData, dwResponseSize); |
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// big endian, little endian ... |
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wTemp = pAttributes->wExponentLengthInBit; |
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pAttributes->wExponentLengthInBit = (wTemp % 0x100) * 0x100 + (wTemp / 0x100); |
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wTemp = pAttributes->wModulusLengthInBit; |
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pAttributes->wModulusLengthInBit = (wTemp % 0x100) * 0x100 + (wTemp / 0x100); |
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|
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dwReturn = 0; |
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} |
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__finally |
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{ |
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if (pbData) |
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pCardData->pfnCspFree(pbData); |
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} |
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Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
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return dwReturn; |
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} |
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|
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DWORD OCardSetKeyAlgorithmAttributes(__in PCARD_DATA pCardData, |
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__in OPENPGP_CONTAINER dwContainer, |
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__out POPENPGP_ALGORITHM_ATTRIBUTE pAttributes) |
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{ |
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DWORD dwReturn; |
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PSTR szAlgorithmAttributes = NULL; |
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OPENPGP_ALGORITHM_ATTRIBUTE TempAttributes; |
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WORD wTemp; |
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__try |
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{ |
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Trace(WINEVENT_LEVEL_VERBOSE, L"Enter dwContainer=%d",dwContainer); |
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switch(dwContainer) |
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{ |
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case Signature: |
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szAlgorithmAttributes = szOpenPGPAlgoAttributesSignature; |
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break; |
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case Authentication: |
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szAlgorithmAttributes = szOpenPGPAlgoAttributesDecryption; |
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break; |
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case Confidentiality: |
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szAlgorithmAttributes = szOpenPGPAlgoAttributesAuthentication; |
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break; |
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default: |
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dwReturn = SCARD_E_NO_KEY_CONTAINER; |
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Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_KEY_CONTAINER %d", dwContainer); |
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__leave; |
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} |
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memcpy(&TempAttributes, pAttributes, sizeof(OPENPGP_ALGORITHM_ATTRIBUTE)); |
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wTemp = TempAttributes.wExponentLengthInBit; |
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TempAttributes.wExponentLengthInBit = (wTemp % 0x100) * 0x100 + (wTemp / 0x100); |
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wTemp = TempAttributes.wModulusLengthInBit; |
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TempAttributes.wModulusLengthInBit = (wTemp % 0x100) * 0x100 + (wTemp / 0x100); |
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|
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dwReturn = OCardWriteFile(pCardData, szOpenPGPDir, szAlgorithmAttributes, (PBYTE) &TempAttributes, sizeof(OPENPGP_ALGORITHM_ATTRIBUTE)); |
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if (dwReturn) |
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{ |
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__leave; |
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} |
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dwReturn = 0; |
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} |
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__finally |
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{ |
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} |
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Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
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return dwReturn; |
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} |
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|
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DWORD BuildSingleTlv(__in PBYTE buffer, __in BYTE bTlv, __in DWORD dwTlvSize, __inout PDWORD pdwOffset) |
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{ |
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DWORD dwSize = 1; |
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buffer[(*pdwOffset)++] = bTlv; |
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// truncate if too long |
191 |
if (dwTlvSize > 0xFFFF) dwTlvSize = 0xFFFF; |
192 |
if (dwTlvSize < 0x7F) |
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{ |
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buffer[(*pdwOffset)++] = (BYTE) dwTlvSize; |
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dwSize++; |
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} |
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else if (dwTlvSize < 0xFF) |
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{ |
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buffer[(*pdwOffset)++] = 0x81; |
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buffer[(*pdwOffset)++] = (BYTE) dwTlvSize; |
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dwSize+=2; |
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} |
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else |
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{ |
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buffer[(*pdwOffset)++] = 0x82; |
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buffer[(*pdwOffset)++] = (BYTE) (dwTlvSize / 0x100); |
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buffer[(*pdwOffset)++] = (BYTE) (dwTlvSize % 0x100); |
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dwSize+=3; |
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} |
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return dwSize; |
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} |
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|
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DWORD BuildPrivateKeyTlv(__in PCARD_DATA pCardData, __in PRSAPUBLICKEYBLOB pbPublicKeyBlob, |
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__in OPENPGP_CONTAINER dwContainer, __in BYTE bFormat, |
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__out PBYTE * ppbTlv, __out PDWORD pdwTlvSize) |
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{ |
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// structure of the keyblob |
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//BLOBHEADER blobheader; |
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//RSAPUBKEY rsapubkey; |
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//BYTE modulus[rsapubkey.bitlen/8]; |
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//BYTE prime1[rsapubkey.bitlen/16]; |
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//BYTE prime2[rsapubkey.bitlen/16]; |
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//BYTE exponent1[rsapubkey.bitlen/16]; |
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//BYTE exponent2[rsapubkey.bitlen/16]; |
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//BYTE coefficient[rsapubkey.bitlen/16]; |
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//BYTE privateExponent[rsapubkey.bitlen/8]; |
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DWORD dwReturn = 0; |
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|
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DWORD bitlen = pbPublicKeyBlob->rsapubkey.bitlen; |
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PBYTE pbPublicKeyData = (PBYTE) &(pbPublicKeyBlob->modulus); |
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// 7F48 len is < 7F so its encoded len is 1 bytes |
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// 3 bytes max + length * 7 potential plv |
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BYTE b7F48Header[(3 +1) * 7 + 3] = {0x7F, 0x48}; |
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BYTE b5F48Header[3 + 2] = {0x5F, 0x48}; |
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BYTE b4DHeader[3 + 1] = {0x4D}; |
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DWORD dwOffset = 0; |
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DWORD dw7F48HeaderSize, dw5F48HeaderSize, dw4DHeaderSize; |
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DWORD dwKeyDataSize, dwExtendedHeaderListSize; |
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DWORD dwI; |
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__try |
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{ |
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// build the 7F48 header + the data into a buffer |
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dwOffset = 3; |
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dw7F48HeaderSize = 0; |
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dw7F48HeaderSize += BuildSingleTlv(b7F48Header, 0x91, sizeof(DWORD), &dwOffset); |
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dw7F48HeaderSize += BuildSingleTlv(b7F48Header, 0x92, bitlen / 16, &dwOffset); |
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dw7F48HeaderSize += BuildSingleTlv(b7F48Header, 0x93, bitlen / 16, &dwOffset); |
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if (bFormat & 2) |
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{ |
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// add crt (chineese reminder theorem) template |
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dw7F48HeaderSize += BuildSingleTlv(b7F48Header, 0x94, bitlen / 16, &dwOffset); |
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dw7F48HeaderSize += BuildSingleTlv(b7F48Header, 0x95, bitlen / 16, &dwOffset); |
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dw7F48HeaderSize += BuildSingleTlv(b7F48Header, 0x96, bitlen / 16, &dwOffset); |
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} |
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if (bFormat & 1) |
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{ |
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dw7F48HeaderSize += BuildSingleTlv(b7F48Header, 0x97, bitlen / 8, &dwOffset); |
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} |
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b7F48Header[2] = (BYTE) dw7F48HeaderSize; |
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dw7F48HeaderSize += 3; // before = only content, after += header size |
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// build 5F48 header in a buffer |
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// size of the data |
263 |
dwKeyDataSize = sizeof(DWORD) // e |
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+ bitlen / 16 //prime1 |
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+ bitlen / 16 //prime2 |
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; |
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if (bFormat & 2) |
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{ |
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dwKeyDataSize+= bitlen / 16 //coefficient |
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+ bitlen / 16 //exp1 |
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+ bitlen / 16 //exp2 |
272 |
; |
273 |
} |
274 |
if (bFormat & 1) |
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{ |
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dwKeyDataSize+= bitlen / 8 ; //modulus |
277 |
} |
278 |
dwOffset = 1; |
279 |
dw5F48HeaderSize = 1 + BuildSingleTlv(b5F48Header, 0x48, dwKeyDataSize, &dwOffset); |
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// build the extended header list in a buffer |
281 |
dwExtendedHeaderListSize = 2 // for the crt to indicate the private key |
282 |
+ dw7F48HeaderSize |
283 |
+ dw5F48HeaderSize |
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+ dwKeyDataSize; |
285 |
dwOffset = 0; |
286 |
dw4DHeaderSize = BuildSingleTlv(b4DHeader, 0x4D, dwExtendedHeaderListSize, &dwOffset); |
287 |
|
288 |
// allocate the memory |
289 |
*pdwTlvSize = dw4DHeaderSize + dwExtendedHeaderListSize; |
290 |
*ppbTlv = pCardData->pfnCspAlloc(*pdwTlvSize); |
291 |
if (! *ppbTlv) |
292 |
{ |
293 |
dwReturn = SCARD_E_NO_MEMORY; |
294 |
__leave; |
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} |
296 |
// 4D header |
297 |
dwOffset = 0; |
298 |
memcpy(*ppbTlv + dwOffset, b4DHeader, dw4DHeaderSize); |
299 |
dwOffset += dw4DHeaderSize; |
300 |
// control reference templace |
301 |
(*ppbTlv)[dwOffset++] = Containers[dwContainer].bKeyTag; |
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(*ppbTlv)[dwOffset++] = 0; |
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// cardholder private key template |
304 |
memcpy(*ppbTlv + dwOffset, b7F48Header, dw7F48HeaderSize); |
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dwOffset += dw7F48HeaderSize; |
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// Concatenation of key data header |
307 |
memcpy(*ppbTlv + dwOffset, b5F48Header, dw5F48HeaderSize); |
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dwOffset += dw5F48HeaderSize; |
309 |
// Concatenation of key data |
310 |
// exponent little => big endian |
311 |
(*ppbTlv)[dwOffset++] = (BYTE) (pbPublicKeyBlob->rsapubkey.pubexp / 0x1000000); |
312 |
(*ppbTlv)[dwOffset++] = (BYTE) ((pbPublicKeyBlob->rsapubkey.pubexp % 0x1000000) / 0x10000); |
313 |
(*ppbTlv)[dwOffset++] = (BYTE) ((pbPublicKeyBlob->rsapubkey.pubexp % 0x10000) / 0x100); |
314 |
(*ppbTlv)[dwOffset++] = (BYTE) ((pbPublicKeyBlob->rsapubkey.pubexp % 0x100) / 0x1); |
315 |
// prime1 |
316 |
//memcpy(*ppbTlv + dwOffset, pbPublicKeyData + (2*bitlen)/16, bitlen / 16); |
317 |
for(dwI = 0; dwI < bitlen / 16; dwI++) |
318 |
{ |
319 |
(*ppbTlv)[dwOffset+dwI] = pbPublicKeyData[(3*bitlen)/16 - 1 - dwI]; |
320 |
} |
321 |
dwOffset += bitlen / 16; |
322 |
|
323 |
// prime2 |
324 |
for(dwI = 0; dwI < bitlen / 16; dwI++) |
325 |
{ |
326 |
(*ppbTlv)[dwOffset+dwI] = pbPublicKeyData[(4*bitlen)/16 - 1 - dwI]; |
327 |
} |
328 |
//memcpy(*ppbTlv + dwOffset, pbPublicKeyData + (3*bitlen)/16, bitlen / 16); |
329 |
dwOffset += bitlen / 16; |
330 |
if (bFormat & 2) |
331 |
{ |
332 |
// coeff |
333 |
//memcpy(*ppbTlv + dwOffset, pbPublicKeyData + (2+1 + 3) * bitlen / 16 , bitlen / 16); |
334 |
for(dwI = 0; dwI < bitlen / 16; dwI++) |
335 |
{ |
336 |
(*ppbTlv)[dwOffset+dwI] = pbPublicKeyData[(7*bitlen)/16 - 1 - dwI]; |
337 |
} |
338 |
dwOffset += bitlen / 16; |
339 |
// exponent1 |
340 |
//memcpy(*ppbTlv + dwOffset, pbPublicKeyData + (2+1 + 1) * bitlen / 16 , bitlen / 16); |
341 |
for(dwI = 0; dwI < bitlen / 16; dwI++) |
342 |
{ |
343 |
(*ppbTlv)[dwOffset+dwI] = pbPublicKeyData[(5*bitlen)/16 - 1 - dwI]; |
344 |
} |
345 |
dwOffset += bitlen / 16; |
346 |
// exponent2 |
347 |
//memcpy(*ppbTlv + dwOffset, pbPublicKeyData + (2+1 + 2) * bitlen / 16 , bitlen / 16); |
348 |
for(dwI = 0; dwI < bitlen / 16; dwI++) |
349 |
{ |
350 |
(*ppbTlv)[dwOffset+dwI] = pbPublicKeyData[(6*bitlen)/16 - 1 - dwI]; |
351 |
} |
352 |
dwOffset += bitlen / 16; |
353 |
} |
354 |
if (bFormat & 1) |
355 |
{ |
356 |
// modulus |
357 |
//memcpy(*ppbTlv + dwOffset, pbPublicKeyData, bitlen / 8); |
358 |
for(dwI = 0; dwI < bitlen / 8; dwI++) |
359 |
{ |
360 |
(*ppbTlv)[dwOffset+dwI] = pbPublicKeyData[bitlen / 8 - 1 - dwI]; |
361 |
} |
362 |
} |
363 |
} |
364 |
__finally |
365 |
{ |
366 |
} |
367 |
Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
368 |
return dwReturn; |
369 |
} |
370 |
|
371 |
DWORD UpdateGenerationDateTime(__in PCARD_DATA pCardData, __in OPENPGP_CONTAINER dwContainer, |
372 |
__out PDWORD pdwSecondsSince1970) |
373 |
{ |
374 |
DWORD dwReturn = 0; |
375 |
LARGE_INTEGER UnixZeroTime = {0}, WindowsTime; |
376 |
SYSTEMTIME WindowsSystemTime; |
377 |
FILETIME WindowsFileTime; |
378 |
BYTE pbCommand[] = {0x00, 0xDA, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00}; |
379 |
DWORD dwCommandSize = ARRAYSIZE(pbCommand); |
380 |
__try |
381 |
{ |
382 |
UnixZeroTime.QuadPart = 116444736000000000I64; // january 1st 1970 |
383 |
GetSystemTime(&WindowsSystemTime); |
384 |
SystemTimeToFileTime(&WindowsSystemTime, &WindowsFileTime); |
385 |
/* It is not recommended that you add and subtract values from the FILETIME |
386 |
structure to obtain relative times. Instead, you should copy the low- and high-order |
387 |
parts of the file time to a ULARGE_INTEGER structure, perform 64-bit arithmetic |
388 |
on the QuadPart member, and copy the LowPart and HighPart members into the |
389 |
FILETIME structure. |
390 |
|
391 |
Do not cast a pointer to a FILETIME structure to either a ULARGE_INTEGER* |
392 |
or __int64* value because it can cause alignment faults on 64-bit Windows. |
393 |
*/ |
394 |
WindowsTime.HighPart = WindowsFileTime.dwHighDateTime; |
395 |
WindowsTime.LowPart = WindowsFileTime.dwLowDateTime; |
396 |
*pdwSecondsSince1970 = (DWORD)((WindowsTime.QuadPart - UnixZeroTime.QuadPart) / 10000000); |
397 |
|
398 |
pbCommand[3] = Containers[dwContainer].bDateTimeTag; |
399 |
pbCommand[5] = (BYTE) (*pdwSecondsSince1970 / 0x1000000); |
400 |
pbCommand[6] = (BYTE) ((*pdwSecondsSince1970 % 0x1000000) / 0x10000); |
401 |
pbCommand[7] = (BYTE) ((*pdwSecondsSince1970 % 0x10000) / 0x100); |
402 |
pbCommand[8] = (BYTE) ((*pdwSecondsSince1970 % 0x100) / 0x1); |
403 |
dwReturn = OCardSendCommand(pCardData, pbCommand, dwCommandSize); |
404 |
} |
405 |
__finally |
406 |
{ |
407 |
} |
408 |
Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
409 |
return dwReturn; |
410 |
} |
411 |
|
412 |
DWORD UpdateFingerPrint(__in PCARD_DATA pCardData, __in OPENPGP_CONTAINER dwContainer, |
413 |
__in DWORD dwSecondsSince1970, |
414 |
__in PBYTE pbModulus, __in DWORD dwModulusSizeInBit, |
415 |
__in BOOL fIsModulusInBigEndian, |
416 |
__in DWORD dwExponent) |
417 |
{ |
418 |
// modulus in input are in big endian |
419 |
// rfc4880 12.2 |
420 |
DWORD dwReturn = 0; |
421 |
PBYTE pbBuffer = NULL; |
422 |
DWORD dwBufferSize; |
423 |
DWORD dwOffset = 0; |
424 |
HCRYPTPROV hProv = 0; |
425 |
HCRYPTHASH hHash = 0; |
426 |
BYTE pbCommand[25] = {0x00, 0xDA, 0x00, 0x00, 0x14}; |
427 |
DWORD dwCommandSize = ARRAYSIZE(pbCommand); |
428 |
DWORD dwHashLen = 0x14; |
429 |
__try |
430 |
{ |
431 |
dwBufferSize = dwModulusSizeInBit / 8 + sizeof(DWORD) + 10 + 3; |
432 |
pbBuffer = (PBYTE) pCardData->pfnCspAlloc(dwBufferSize); |
433 |
if (!pbBuffer) |
434 |
{ |
435 |
dwReturn = SCARD_E_NO_MEMORY; |
436 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_MEMORY"); |
437 |
__leave; |
438 |
} |
439 |
pbBuffer[dwOffset++] = 0x99; |
440 |
// -3 because of the header size |
441 |
pbBuffer[dwOffset++] = (BYTE) ((dwBufferSize-3) / 0x100); |
442 |
pbBuffer[dwOffset++] = (BYTE) ((dwBufferSize-3) % 0x100); |
443 |
// rfc4880 5.5.2 |
444 |
// version |
445 |
pbBuffer[dwOffset++] = 4; |
446 |
// timestamp |
447 |
pbBuffer[dwOffset++] = (BYTE) (dwSecondsSince1970 / 0x1000000); |
448 |
pbBuffer[dwOffset++] = (BYTE) ((dwSecondsSince1970 % 0x1000000) / 0x10000); |
449 |
pbBuffer[dwOffset++] = (BYTE) ((dwSecondsSince1970 % 0x10000) / 0x100); |
450 |
pbBuffer[dwOffset++] = (BYTE) ((dwSecondsSince1970 % 0x100) / 0x1); |
451 |
// RSA |
452 |
pbBuffer[dwOffset++] = 1; |
453 |
// size of modulus |
454 |
pbBuffer[dwOffset++] = (BYTE) ((dwModulusSizeInBit % 0x10000) / 0x100); |
455 |
pbBuffer[dwOffset++] = (BYTE) ((dwModulusSizeInBit % 0x100) / 0x1); |
456 |
if (fIsModulusInBigEndian) |
457 |
{ |
458 |
memcpy(pbBuffer + dwOffset, pbModulus, dwModulusSizeInBit / 8); |
459 |
} |
460 |
else |
461 |
{ |
462 |
DWORD dwI; |
463 |
for(dwI = 0; dwI < dwModulusSizeInBit / 8; dwI++) |
464 |
{ |
465 |
pbBuffer[dwOffset + dwI] = pbModulus[dwModulusSizeInBit / 8 - 1 - dwI]; |
466 |
} |
467 |
} |
468 |
// size of exponent |
469 |
pbBuffer[dwOffset++] = 0; |
470 |
pbBuffer[dwOffset++] = sizeof(DWORD); |
471 |
// exponent |
472 |
pbBuffer[dwOffset++] = (BYTE) (dwExponent / 0x1000000); |
473 |
pbBuffer[dwOffset++] = (BYTE) ((dwExponent % 0x1000000) / 0x10000); |
474 |
pbBuffer[dwOffset++] = (BYTE) ((dwExponent % 0x10000) / 0x100); |
475 |
pbBuffer[dwOffset++] = (BYTE) ((dwExponent % 0x100) / 0x1); |
476 |
|
477 |
// hash using SHA1 |
478 |
if (!CryptAcquireContext(&hProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) |
479 |
{ |
480 |
dwReturn = GetLastError(); |
481 |
Trace(WINEVENT_LEVEL_ERROR, L"CryptAcquireContext 0x%08X", dwReturn); |
482 |
__leave; |
483 |
} |
484 |
if(!CryptCreateHash(hProv, CALG_SHA1, 0, 0, &hHash)) |
485 |
{ |
486 |
dwReturn = GetLastError(); |
487 |
Trace(WINEVENT_LEVEL_ERROR, L"CryptCreateHash 0x%08X", dwReturn); |
488 |
__leave; |
489 |
} |
490 |
if(!CryptHashData(hHash, pbBuffer, dwBufferSize, 0)) |
491 |
{ |
492 |
dwReturn = GetLastError(); |
493 |
Trace(WINEVENT_LEVEL_ERROR, L"CryptHashData 0x%08X", dwReturn); |
494 |
__leave; |
495 |
} |
496 |
if(!CryptGetHashParam(hHash, HP_HASHVAL, pbCommand + 5, &dwHashLen, 0)) { |
497 |
dwReturn = GetLastError(); |
498 |
Trace(WINEVENT_LEVEL_ERROR, L"CryptGetHashParam 0x%08X", dwReturn); |
499 |
__leave; |
500 |
} |
501 |
pbCommand[3] = Containers[dwContainer].bSignatureTag; |
502 |
dwReturn = OCardSendCommand(pCardData, pbCommand, dwCommandSize); |
503 |
|
504 |
} |
505 |
__finally |
506 |
{ |
507 |
if (pbBuffer) |
508 |
pCardData->pfnCspFree(pbBuffer); |
509 |
if(hHash) |
510 |
CryptDestroyHash(hHash); |
511 |
if(hProv) |
512 |
CryptReleaseContext(hProv,0); |
513 |
|
514 |
} |
515 |
Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
516 |
return dwReturn; |
517 |
|
518 |
} |
519 |
|
520 |
DWORD OCardReadPublicKey(PCARD_DATA pCardData, OPENPGP_CONTAINER dwContainer, PBYTE *pbPublicKey, PDWORD pdwPublicKeySize) |
521 |
{ |
522 |
DWORD dwReturn; |
523 |
PBYTE pbData = NULL; |
524 |
DWORD dwResponseSize = 0; |
525 |
BYTE pbCmd[] = {0x00, |
526 |
0x47, |
527 |
0x81, |
528 |
0x00, |
529 |
0x00, |
530 |
0x00, |
531 |
0x02, |
532 |
0x00, |
533 |
0x00, |
534 |
0x00, |
535 |
0x00 |
536 |
}; |
537 |
DWORD dwCmdSize; |
538 |
POPENPGP_CONTEXT pContext; |
539 |
PBYTE pbModulus; |
540 |
DWORD dwModulusSize, dwI; |
541 |
PBYTE pbExponent; |
542 |
PRSAPUBLICKEYBLOB pbBlob = NULL; |
543 |
DWORD dwTotalTlvSize, dwOffset; |
544 |
__try |
545 |
{ |
546 |
Trace(WINEVENT_LEVEL_VERBOSE, L"Enter dwContainer=%d",dwContainer); |
547 |
if (dwContainer >= MaxContainer) |
548 |
{ |
549 |
dwReturn = SCARD_E_NO_KEY_CONTAINER; |
550 |
Trace(WINEVENT_LEVEL_INFO, L"SCARD_E_NO_KEY_CONTAINER %d", dwContainer); |
551 |
__leave; |
552 |
} |
553 |
pContext = (POPENPGP_CONTEXT) pCardData->pvVendorSpecific; |
554 |
pbCmd[7] = Containers[dwContainer].bKeyTag; |
555 |
dwCmdSize = 9; |
556 |
if (pContext->fExtentedLeLcFields) |
557 |
{ |
558 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength / 0x100); |
559 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength % 0x100); |
560 |
} |
561 |
else |
562 |
{ |
563 |
pbCmd[dwCmdSize++] = 0xFF; |
564 |
} |
565 |
|
566 |
dwReturn = OCardGetData(pCardData, pbCmd, dwCmdSize, &pbData, &dwResponseSize); |
567 |
if (dwReturn) |
568 |
{ |
569 |
__leave; |
570 |
} |
571 |
dwOffset = 2; |
572 |
dwTotalTlvSize = getTlvSize(pbData + 2,&dwOffset) + 2; |
573 |
if (!find_tlv(pbData + dwOffset,0x81,dwTotalTlvSize,&pbModulus,&dwModulusSize)) |
574 |
{ |
575 |
dwReturn = SCARD_E_UNEXPECTED; |
576 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_UNEXPECTED 0x81"); |
577 |
__leave; |
578 |
} |
579 |
if (!find_tlv(pbData + dwOffset,0x82,dwTotalTlvSize, (PBYTE*)&pbExponent,NULL)) |
580 |
{ |
581 |
dwReturn = SCARD_E_UNEXPECTED; |
582 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_UNEXPECTED 0x81"); |
583 |
__leave; |
584 |
} |
585 |
Trace(WINEVENT_LEVEL_INFO, L"dwModulusSize %d bits", dwModulusSize * 8); |
586 |
*pdwPublicKeySize = sizeof(RSAPUBLICKEYBLOB) + dwModulusSize - sizeof(DWORD); |
587 |
*pbPublicKey = pCardData->pfnCspAlloc(*pdwPublicKeySize); |
588 |
if (!*pbPublicKey) |
589 |
{ |
590 |
dwReturn = SCARD_E_NO_MEMORY; |
591 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_MEMORY %d", dwContainer); |
592 |
__leave; |
593 |
} |
594 |
pbBlob = (PRSAPUBLICKEYBLOB) *pbPublicKey; |
595 |
memset(pbBlob,0,*pdwPublicKeySize); |
596 |
pbBlob->blobheader.bType = PUBLICKEYBLOB; |
597 |
pbBlob->blobheader.bVersion = CUR_BLOB_VERSION; |
598 |
pbBlob->blobheader.reserved = 0; |
599 |
pbBlob->blobheader.aiKeyAlg = Containers[dwContainer].aiKeyAlg; |
600 |
pbBlob->rsapubkey.magic = 0x31415352; //'RSA1'; |
601 |
pbBlob->rsapubkey.bitlen = dwModulusSize*8; |
602 |
pbBlob->rsapubkey.pubexp = pbExponent[0] * 0x1000000 + pbExponent[1] * 0x10000 + pbExponent[2] * 0x100 + pbExponent[3]; |
603 |
// convert big endian into little endian |
604 |
//memcpy(pbBlob->modulus, pbModulus, dwModulusSize); |
605 |
for (dwI = 0; dwI < dwModulusSize; dwI++) |
606 |
{ |
607 |
pbBlob->modulus[dwI] = pbModulus[dwModulusSize - 1 - dwI]; |
608 |
} |
609 |
|
610 |
dwReturn = 0; |
611 |
} |
612 |
__finally |
613 |
{ |
614 |
} |
615 |
Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
616 |
return dwReturn; |
617 |
} |
618 |
|
619 |
DWORD OCardCreateKey(PCARD_DATA pCardData, OPENPGP_CONTAINER dwContainer, DWORD dwBitLen) |
620 |
{ |
621 |
DWORD dwReturn; |
622 |
PBYTE pbData = NULL; |
623 |
DWORD dwResponseSize = 0, dwCmdSize; |
624 |
OPENPGP_ALGORITHM_ATTRIBUTE Attributes; |
625 |
POPENPGP_CONTEXT pContext; |
626 |
DWORD dwSecondsSince1970; |
627 |
PBYTE pbModulus, pbExponent; |
628 |
DWORD dwModulusSize, dwExponent; |
629 |
BYTE pbCmd[] = {0x00, |
630 |
0x47, |
631 |
0x80, |
632 |
0x00, |
633 |
0x00, |
634 |
0x00, |
635 |
0x02, |
636 |
0x00, |
637 |
0x00, |
638 |
0x00, |
639 |
0x00 |
640 |
}; |
641 |
DWORD dwTotalTlvSize, dwOffset; |
642 |
__try |
643 |
{ |
644 |
Trace(WINEVENT_LEVEL_VERBOSE, L"Enter dwContainer=%d",dwContainer); |
645 |
if (dwContainer >= MaxContainer) |
646 |
{ |
647 |
dwReturn = SCARD_E_NO_KEY_CONTAINER; |
648 |
Trace(WINEVENT_LEVEL_INFO, L"SCARD_E_NO_KEY_CONTAINER %d", dwContainer); |
649 |
__leave; |
650 |
} |
651 |
// key len |
652 |
dwReturn = OCardGetKeyAlgorithmAttributes(pCardData, dwContainer, &Attributes); |
653 |
if (dwReturn) |
654 |
{ |
655 |
__leave; |
656 |
} |
657 |
Attributes.wModulusLengthInBit = (WORD) dwBitLen; |
658 |
dwReturn = OCardSetKeyAlgorithmAttributes(pCardData, dwContainer, &Attributes); |
659 |
if (dwReturn) |
660 |
{ |
661 |
__leave; |
662 |
} |
663 |
|
664 |
pContext = (POPENPGP_CONTEXT) pCardData->pvVendorSpecific; |
665 |
pbCmd[7] = Containers[dwContainer].bKeyTag; |
666 |
dwCmdSize = 9; |
667 |
if (pContext->fExtentedLeLcFields) |
668 |
{ |
669 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength / 0x100); |
670 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength % 0x100); |
671 |
} |
672 |
else |
673 |
{ |
674 |
pbCmd[dwCmdSize++] = 0xFF; |
675 |
} |
676 |
|
677 |
dwReturn = OCardGetData(pCardData, pbCmd, dwCmdSize, &pbData, &dwResponseSize); |
678 |
if (dwReturn) |
679 |
{ |
680 |
__leave; |
681 |
} |
682 |
dwOffset = 2; |
683 |
dwTotalTlvSize = getTlvSize(pbData + 2,&dwOffset) + 2; |
684 |
if (!find_tlv(pbData + dwOffset,0x81,dwTotalTlvSize, &pbModulus,&dwModulusSize)) |
685 |
{ |
686 |
dwReturn = SCARD_E_UNEXPECTED; |
687 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_UNEXPECTED 0x81"); |
688 |
__leave; |
689 |
} |
690 |
if (!find_tlv(pbData + dwOffset,0x82,dwTotalTlvSize, (PBYTE*)&pbExponent,NULL)) |
691 |
{ |
692 |
dwReturn = SCARD_E_UNEXPECTED; |
693 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_UNEXPECTED 0x81"); |
694 |
__leave; |
695 |
} |
696 |
dwExponent = pbExponent[0] * 0x1000000 + pbExponent[1] * 0x10000 + pbExponent[2] * 0x100 + pbExponent[3]; |
697 |
dwReturn = UpdateGenerationDateTime(pCardData, dwContainer, &dwSecondsSince1970); |
698 |
if (dwReturn) |
699 |
{ |
700 |
__leave; |
701 |
} |
702 |
dwReturn = UpdateFingerPrint(pCardData, dwContainer, dwSecondsSince1970, |
703 |
pbModulus, |
704 |
dwModulusSize * 8, |
705 |
TRUE, |
706 |
dwExponent |
707 |
); |
708 |
if (dwReturn) |
709 |
{ |
710 |
__leave; |
711 |
} |
712 |
switch(dwContainer) |
713 |
{ |
714 |
case Signature: |
715 |
pContext->fHasSignature = TRUE; |
716 |
break; |
717 |
case Authentication: |
718 |
pContext->fHasAuthentication = TRUE; |
719 |
break; |
720 |
case Confidentiality: |
721 |
pContext->fHasDecryption = TRUE; |
722 |
break; |
723 |
} |
724 |
} |
725 |
__finally |
726 |
{ |
727 |
if (pbData) |
728 |
pCardData->pfnCspFree(pbData); |
729 |
} |
730 |
Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
731 |
return dwReturn; |
732 |
} |
733 |
|
734 |
DWORD OCardImportKey(PCARD_DATA pCardData, |
735 |
OPENPGP_CONTAINER dwContainer, |
736 |
PBYTE pBlob, |
737 |
DWORD dwKeySize) |
738 |
{ |
739 |
DWORD dwReturn; |
740 |
PSTR szAlgorithmAttributes = NULL; |
741 |
PBYTE pbTlv = NULL; |
742 |
DWORD dwTlvSize; |
743 |
PBYTE pbCommand = NULL; |
744 |
DWORD dwCommandSize; |
745 |
OPENPGP_ALGORITHM_ATTRIBUTE Attributes; |
746 |
PRSAPUBLICKEYBLOB pbPublicKeyBlob = (PRSAPUBLICKEYBLOB) pBlob; |
747 |
BYTE bCommand[] = {0x00,0xDB,0x3F,0xFF}; |
748 |
DWORD dwSecondsSince1970; |
749 |
__try |
750 |
{ |
751 |
Trace(WINEVENT_LEVEL_VERBOSE, L"Enter dwContainer=%d",dwContainer); |
752 |
// check blob |
753 |
if (pbPublicKeyBlob->blobheader.aiKeyAlg != CALG_RSA_SIGN && |
754 |
pbPublicKeyBlob->blobheader.aiKeyAlg != CALG_RSA_KEYX) |
755 |
{ |
756 |
Trace(WINEVENT_LEVEL_ERROR, L"Wrong aiKeyAlg %d", pbPublicKeyBlob->blobheader.aiKeyAlg); |
757 |
dwReturn = SCARD_E_INVALID_PARAMETER; |
758 |
__leave; |
759 |
} |
760 |
if (pbPublicKeyBlob->blobheader.bType != PRIVATEKEYBLOB) |
761 |
{ |
762 |
Trace(WINEVENT_LEVEL_ERROR, L"Wrong bType %d", pbPublicKeyBlob->blobheader.bType); |
763 |
dwReturn = SCARD_E_INVALID_PARAMETER; |
764 |
__leave; |
765 |
} |
766 |
if (pbPublicKeyBlob->rsapubkey.magic != 0x32415352) |
767 |
{ |
768 |
Trace(WINEVENT_LEVEL_ERROR, L"Wrong magic"); |
769 |
dwReturn = SCARD_E_INVALID_PARAMETER; |
770 |
__leave; |
771 |
} |
772 |
|
773 |
dwReturn = OCardGetKeyAlgorithmAttributes(pCardData, dwContainer, &Attributes); |
774 |
if (dwReturn) |
775 |
{ |
776 |
__leave; |
777 |
} |
778 |
Attributes.wModulusLengthInBit = (WORD) pbPublicKeyBlob->rsapubkey.bitlen; |
779 |
dwReturn = OCardSetKeyAlgorithmAttributes(pCardData, dwContainer, &Attributes); |
780 |
if (dwReturn) |
781 |
{ |
782 |
__leave; |
783 |
} |
784 |
dwReturn = BuildPrivateKeyTlv(pCardData, pbPublicKeyBlob, dwContainer, Attributes.bFormat, &pbTlv, &dwTlvSize); |
785 |
if (dwReturn) |
786 |
{ |
787 |
__leave; |
788 |
} |
789 |
if (dwTlvSize > 0xFF) |
790 |
{ |
791 |
dwCommandSize = 7 + dwTlvSize; |
792 |
|
793 |
} |
794 |
else |
795 |
{ |
796 |
dwCommandSize = 5 + dwTlvSize; |
797 |
} |
798 |
pbCommand = pCardData->pfnCspAlloc(dwCommandSize); |
799 |
if (!pbCommand) |
800 |
{ |
801 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_MEMORY"); |
802 |
dwReturn = SCARD_E_NO_MEMORY; |
803 |
__leave; |
804 |
} |
805 |
memcpy(pbCommand, bCommand, 4); |
806 |
if (dwTlvSize > 0xFF) |
807 |
{ |
808 |
pbCommand[4] = 0; |
809 |
pbCommand[5] = (BYTE)(dwTlvSize / 0x100); |
810 |
pbCommand[6] = (BYTE)(dwTlvSize % 0x100); |
811 |
memcpy(pbCommand + 7, pbTlv, dwTlvSize); |
812 |
} |
813 |
else |
814 |
{ |
815 |
pbCommand[4] = (BYTE) dwTlvSize; |
816 |
memcpy(pbCommand + 5, pbTlv, dwTlvSize); |
817 |
} |
818 |
dwReturn = OCardSendCommand(pCardData, pbCommand, dwCommandSize); |
819 |
if (dwReturn) |
820 |
{ |
821 |
__leave; |
822 |
} |
823 |
dwReturn = UpdateGenerationDateTime(pCardData, dwContainer, &dwSecondsSince1970); |
824 |
if (dwReturn) |
825 |
{ |
826 |
__leave; |
827 |
} |
828 |
dwReturn = UpdateFingerPrint(pCardData, dwContainer, dwSecondsSince1970, |
829 |
pbPublicKeyBlob->modulus, |
830 |
pbPublicKeyBlob->rsapubkey.bitlen, |
831 |
FALSE, |
832 |
pbPublicKeyBlob->rsapubkey.pubexp |
833 |
); |
834 |
if (dwReturn) |
835 |
{ |
836 |
__leave; |
837 |
} |
838 |
switch(dwContainer) |
839 |
{ |
840 |
case Signature: |
841 |
pContext->fHasSignature = TRUE; |
842 |
break; |
843 |
case Authentication: |
844 |
pContext->fHasAuthentication = TRUE; |
845 |
break; |
846 |
case Confidentiality: |
847 |
pContext->fHasDecryption = TRUE; |
848 |
break; |
849 |
} |
850 |
} |
851 |
__finally |
852 |
{ |
853 |
if (pbCommand) |
854 |
{ |
855 |
SecureZeroMemory(pbCommand, dwCommandSize); |
856 |
pCardData->pfnCspFree(pbCommand); |
857 |
} |
858 |
if (pbTlv) |
859 |
{ |
860 |
SecureZeroMemory(pbTlv, dwTlvSize); |
861 |
pCardData->pfnCspFree(pbTlv); |
862 |
} |
863 |
} |
864 |
Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
865 |
return dwReturn; |
866 |
} |
867 |
|
868 |
DWORD OCardSign(PCARD_DATA pCardData, |
869 |
PCARD_SIGNING_INFO pInfo) |
870 |
{ |
871 |
DWORD dwReturn; |
872 |
PBYTE pbData = NULL; |
873 |
DWORD dwCmdSize = 0, dwI; |
874 |
POPENPGP_CONTEXT pContext; |
875 |
OPENPGP_ALGORITHM_ATTRIBUTE Attributes; |
876 |
BYTE pbCmd[6 + 256 + 256] = {0x00, |
877 |
0x2A, |
878 |
0x9E, |
879 |
0x9A, |
880 |
0x00, |
881 |
0x00, |
882 |
}; |
883 |
__try |
884 |
{ |
885 |
Trace(WINEVENT_LEVEL_VERBOSE, L"Enter dwContainer=%d",pInfo->bContainerIndex); |
886 |
if (pInfo->dwSigningFlags & ~(CARD_PADDING_INFO_PRESENT | CARD_BUFFER_SIZE_ONLY | CRYPT_NOHASHOID | CRYPT_TYPE2_FORMAT)) |
887 |
{ |
888 |
Trace(WINEVENT_LEVEL_ERROR, L"wrong flag %d", pInfo->dwSigningFlags); |
889 |
dwReturn = SCARD_E_INVALID_PARAMETER; |
890 |
__leave; |
891 |
} |
892 |
if (pInfo->dwSigningFlags & CARD_PADDING_INFO_PRESENT) |
893 |
{ |
894 |
if ( pInfo->dwPaddingType == CARD_PADDING_PKCS1) |
895 |
{ |
896 |
dwReturn = SCARD_E_UNSUPPORTED_FEATURE; |
897 |
Trace(WINEVENT_LEVEL_ERROR, L"CARD_PADDING_PKCS1"); |
898 |
__leave; |
899 |
} |
900 |
else if (pInfo->dwPaddingType == CARD_PADDING_PSS) |
901 |
{ |
902 |
dwReturn = SCARD_E_UNSUPPORTED_FEATURE; |
903 |
Trace(WINEVENT_LEVEL_ERROR, L"CARD_PADDING_PSS"); |
904 |
__leave; |
905 |
} |
906 |
else |
907 |
{ |
908 |
dwReturn = SCARD_E_INVALID_PARAMETER; |
909 |
Trace(WINEVENT_LEVEL_ERROR, L"pInfo->dwPaddingType = %d", pInfo->dwPaddingType); |
910 |
__leave; |
911 |
} |
912 |
} |
913 |
if (!(pInfo->aiHashAlg & ALG_CLASS_HASH)) |
914 |
{ |
915 |
dwReturn = SCARD_E_INVALID_PARAMETER; |
916 |
Trace(WINEVENT_LEVEL_ERROR, L"pInfo->aiHashAlg == %d", pInfo->aiHashAlg); |
917 |
__leave; |
918 |
} |
919 |
for(dwI = 0 ; dwI < dwSignatureAlgorithmCount ; dwI++) |
920 |
{ |
921 |
if (SignatureAlgorithm[dwI].aiHashAlg == pInfo->aiHashAlg) |
922 |
{ |
923 |
// found |
924 |
break; |
925 |
} |
926 |
} |
927 |
if (dwI >= dwSignatureAlgorithmCount) |
928 |
{ |
929 |
Trace(WINEVENT_LEVEL_ERROR, L"alg not found %d", pInfo->aiHashAlg); |
930 |
dwReturn = SCARD_E_UNSUPPORTED_FEATURE; |
931 |
__leave; |
932 |
} |
933 |
if (SignatureAlgorithm[dwI].dwHashSize != pInfo->cbData) |
934 |
{ |
935 |
Trace(WINEVENT_LEVEL_ERROR, L"wrong hash size %d", pInfo->cbData); |
936 |
dwReturn = SCARD_E_INVALID_PARAMETER; |
937 |
__leave; |
938 |
} |
939 |
if (pInfo->bContainerIndex != Signature) |
940 |
{ |
941 |
dwReturn = SCARD_E_NO_KEY_CONTAINER; |
942 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_KEY_CONTAINER %d", pInfo->bContainerIndex); |
943 |
__leave; |
944 |
} |
945 |
if (pInfo->dwSigningFlags & CARD_BUFFER_SIZE_ONLY) |
946 |
{ |
947 |
// optimisation : |
948 |
// return the buffer size only |
949 |
dwReturn = OCardGetKeyAlgorithmAttributes(pCardData, Signature, &Attributes); |
950 |
if (dwReturn) |
951 |
{ |
952 |
__leave; |
953 |
} |
954 |
pInfo->cbSignedData = Attributes.wModulusLengthInBit/8; |
955 |
dwReturn = 0; |
956 |
__leave; |
957 |
} |
958 |
|
959 |
pContext = (POPENPGP_CONTEXT) pCardData->pvVendorSpecific; |
960 |
|
961 |
dwCmdSize = 5; |
962 |
if (pContext->fExtentedLeLcFields) |
963 |
{ |
964 |
dwCmdSize++; |
965 |
} |
966 |
pbCmd[dwCmdSize++] = (BYTE) (SignatureAlgorithm[dwI].dwEncodedOidSize + pInfo->cbData); |
967 |
memcpy(pbCmd + dwCmdSize , SignatureAlgorithm[dwI].pbEncodedOid,SignatureAlgorithm[dwI].dwEncodedOidSize); |
968 |
dwCmdSize += SignatureAlgorithm[dwI].dwEncodedOidSize; |
969 |
/*for(dwI = 0 ; dwI < pInfo->cbData ; dwI++) |
970 |
{ |
971 |
pbCmd[dwCmdSize + dwI] = pInfo->pbData[pInfo->cbData - dwI -1]; |
972 |
}*/ |
973 |
memcpy(pbCmd + dwCmdSize, pInfo->pbData,pInfo->cbData); |
974 |
dwCmdSize += pInfo->cbData; |
975 |
|
976 |
|
977 |
if (pContext->fExtentedLeLcFields) |
978 |
{ |
979 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength / 0x100); |
980 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength % 0x100); |
981 |
} |
982 |
else |
983 |
{ |
984 |
pbCmd[dwCmdSize++] = 0; |
985 |
} |
986 |
dwReturn = OCardGetData(pCardData, pbCmd, dwCmdSize, &(pInfo->pbSignedData), &(pInfo->cbSignedData)); |
987 |
if (dwReturn == SCARD_W_WRONG_CHV) |
988 |
{ |
989 |
dwReturn = SCARD_W_SECURITY_VIOLATION; |
990 |
__leave; |
991 |
} |
992 |
if (dwReturn) |
993 |
{ |
994 |
__leave; |
995 |
} |
996 |
// revert the BYTES |
997 |
for(dwI = 0 ; dwI < pInfo->cbSignedData / 2 ; dwI++) |
998 |
{ |
999 |
BYTE bTemp = pInfo->pbSignedData[dwI]; |
1000 |
pInfo->pbSignedData[dwI] = pInfo->pbSignedData[pInfo->cbSignedData - 1 - dwI]; |
1001 |
pInfo->pbSignedData[pInfo->cbSignedData - 1 - dwI] = bTemp; |
1002 |
} |
1003 |
} |
1004 |
__finally |
1005 |
{ |
1006 |
if (dwReturn) |
1007 |
{ |
1008 |
if (pInfo->pbSignedData) |
1009 |
pCardData->pfnCspFree(pInfo->pbSignedData); |
1010 |
} |
1011 |
} |
1012 |
Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
1013 |
return dwReturn; |
1014 |
} |
1015 |
|
1016 |
DWORD OCardAuthenticate(PCARD_DATA pCardData, |
1017 |
PCARD_SIGNING_INFO pInfo) |
1018 |
{ |
1019 |
DWORD dwReturn; |
1020 |
PBYTE pbData = NULL; |
1021 |
DWORD dwCmdSize = 0, dwI; |
1022 |
POPENPGP_CONTEXT pContext; |
1023 |
OPENPGP_ALGORITHM_ATTRIBUTE Attributes; |
1024 |
BYTE pbCmd[6 + 256 + 256] = {0x00, |
1025 |
0x88, |
1026 |
0x00, |
1027 |
0x00, |
1028 |
0x00, |
1029 |
0x00, |
1030 |
}; |
1031 |
__try |
1032 |
{ |
1033 |
Trace(WINEVENT_LEVEL_VERBOSE, L"Enter dwContainer=%d",pInfo->bContainerIndex); |
1034 |
if (pInfo->dwSigningFlags & ~(CARD_PADDING_INFO_PRESENT | CARD_BUFFER_SIZE_ONLY | CRYPT_NOHASHOID | CRYPT_TYPE2_FORMAT)) |
1035 |
{ |
1036 |
Trace(WINEVENT_LEVEL_ERROR, L"wrong flag %d", pInfo->dwSigningFlags); |
1037 |
dwReturn = SCARD_E_INVALID_PARAMETER; |
1038 |
__leave; |
1039 |
} |
1040 |
if (pInfo->dwSigningFlags & CARD_PADDING_INFO_PRESENT) |
1041 |
{ |
1042 |
if ( pInfo->dwPaddingType == CARD_PADDING_PKCS1) |
1043 |
{ |
1044 |
dwReturn = SCARD_E_UNSUPPORTED_FEATURE; |
1045 |
Trace(WINEVENT_LEVEL_ERROR, L"CARD_PADDING_PKCS1"); |
1046 |
__leave; |
1047 |
} |
1048 |
else if (pInfo->dwPaddingType == CARD_PADDING_PSS) |
1049 |
{ |
1050 |
dwReturn = SCARD_E_UNSUPPORTED_FEATURE; |
1051 |
Trace(WINEVENT_LEVEL_ERROR, L"CARD_PADDING_PSS"); |
1052 |
__leave; |
1053 |
} |
1054 |
else |
1055 |
{ |
1056 |
dwReturn = SCARD_E_INVALID_PARAMETER; |
1057 |
Trace(WINEVENT_LEVEL_ERROR, L"pInfo->dwPaddingType = %d", pInfo->dwPaddingType); |
1058 |
__leave; |
1059 |
} |
1060 |
} |
1061 |
for(dwI = 0 ; dwI < dwSignatureAlgorithmCount ; dwI++) |
1062 |
{ |
1063 |
if (SignatureAlgorithm[dwI].aiHashAlg == pInfo->aiHashAlg) |
1064 |
{ |
1065 |
// found |
1066 |
break; |
1067 |
} |
1068 |
} |
1069 |
if (dwI >= dwSignatureAlgorithmCount) |
1070 |
{ |
1071 |
Trace(WINEVENT_LEVEL_ERROR, L"alg not found %d", pInfo->aiHashAlg); |
1072 |
__leave; |
1073 |
} |
1074 |
if (SignatureAlgorithm[dwI].dwHashSize != pInfo->cbData) |
1075 |
{ |
1076 |
Trace(WINEVENT_LEVEL_ERROR, L"wrong hash size %d", pInfo->cbData); |
1077 |
__leave; |
1078 |
} |
1079 |
if (pInfo->bContainerIndex != Authentication) |
1080 |
{ |
1081 |
dwReturn = SCARD_E_NO_KEY_CONTAINER; |
1082 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_KEY_CONTAINER %d", pInfo->bContainerIndex); |
1083 |
__leave; |
1084 |
} |
1085 |
if (pInfo->dwSigningFlags & CARD_BUFFER_SIZE_ONLY) |
1086 |
{ |
1087 |
// optimisation : |
1088 |
// return the buffer size only |
1089 |
dwReturn = OCardGetKeyAlgorithmAttributes(pCardData, Signature, &Attributes); |
1090 |
if (dwReturn) |
1091 |
{ |
1092 |
__leave; |
1093 |
} |
1094 |
pInfo->cbSignedData = Attributes.wModulusLengthInBit/8; |
1095 |
dwReturn = 0; |
1096 |
__leave; |
1097 |
} |
1098 |
|
1099 |
pContext = (POPENPGP_CONTEXT) pCardData->pvVendorSpecific; |
1100 |
|
1101 |
dwCmdSize = 5; |
1102 |
if (pContext->fExtentedLeLcFields) |
1103 |
{ |
1104 |
dwCmdSize++; |
1105 |
} |
1106 |
pbCmd[dwCmdSize++] = (BYTE) (SignatureAlgorithm[dwI].dwEncodedOidSize + pInfo->cbData); |
1107 |
memcpy(pbCmd + dwCmdSize , SignatureAlgorithm[dwI].pbEncodedOid,SignatureAlgorithm[dwI].dwEncodedOidSize); |
1108 |
dwCmdSize += SignatureAlgorithm[dwI].dwEncodedOidSize; |
1109 |
/*for(dwI = 0 ; dwI < pInfo->cbData ; dwI++) |
1110 |
{ |
1111 |
pbCmd[dwCmdSize + dwI] = pInfo->pbData[pInfo->cbData - dwI -1]; |
1112 |
}*/ |
1113 |
memcpy(pbCmd + dwCmdSize, pInfo->pbData,pInfo->cbData); |
1114 |
dwCmdSize += pInfo->cbData; |
1115 |
|
1116 |
|
1117 |
if (pContext->fExtentedLeLcFields) |
1118 |
{ |
1119 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength / 0x100); |
1120 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength % 0x100); |
1121 |
} |
1122 |
else |
1123 |
{ |
1124 |
pbCmd[dwCmdSize++] = 0; |
1125 |
} |
1126 |
dwReturn = OCardGetData(pCardData, pbCmd, dwCmdSize, &(pInfo->pbSignedData), &(pInfo->cbSignedData)); |
1127 |
if (dwReturn == SCARD_W_WRONG_CHV) |
1128 |
{ |
1129 |
dwReturn = SCARD_W_SECURITY_VIOLATION; |
1130 |
__leave; |
1131 |
} |
1132 |
if (dwReturn) |
1133 |
{ |
1134 |
__leave; |
1135 |
} |
1136 |
// revert the BYTES |
1137 |
for(dwI = 0 ; dwI < pInfo->cbSignedData / 2 ; dwI++) |
1138 |
{ |
1139 |
BYTE bTemp = pInfo->pbSignedData[dwI]; |
1140 |
pInfo->pbSignedData[dwI] = pInfo->pbSignedData[pInfo->cbSignedData - 1 - dwI]; |
1141 |
pInfo->pbSignedData[pInfo->cbSignedData - 1 - dwI] = bTemp; |
1142 |
} |
1143 |
} |
1144 |
__finally |
1145 |
{ |
1146 |
if (dwReturn) |
1147 |
{ |
1148 |
if (pInfo->pbSignedData) |
1149 |
pCardData->pfnCspFree(pInfo->pbSignedData); |
1150 |
} |
1151 |
} |
1152 |
Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
1153 |
return dwReturn; |
1154 |
} |
1155 |
|
1156 |
DWORD OCardDecrypt(PCARD_DATA pCardData, |
1157 |
PCARD_RSA_DECRYPT_INFO pInfo) |
1158 |
{ |
1159 |
DWORD dwReturn; |
1160 |
PBYTE pbData = NULL; |
1161 |
DWORD dwCmdSize = 0, dwResponseSize; |
1162 |
BYTE pbCmd[6 + 256 + 256] = {0x00, |
1163 |
0x2A, |
1164 |
0x80, |
1165 |
0x86, |
1166 |
0x00, |
1167 |
}; |
1168 |
POPENPGP_CONTEXT pContext; |
1169 |
DWORD dwI; |
1170 |
OPENPGP_ALGORITHM_ATTRIBUTE Attributes; |
1171 |
__try |
1172 |
{ |
1173 |
Trace(WINEVENT_LEVEL_VERBOSE, L"Enter dwContainer=%d",pInfo->bContainerIndex); |
1174 |
if (pInfo->bContainerIndex >= MaxContainer) |
1175 |
{ |
1176 |
dwReturn = SCARD_E_NO_KEY_CONTAINER; |
1177 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_KEY_CONTAINER %d", pInfo->bContainerIndex); |
1178 |
__leave; |
1179 |
} |
1180 |
if (pInfo->bContainerIndex != Confidentiality) |
1181 |
{ |
1182 |
dwReturn = SCARD_E_NO_KEY_CONTAINER; |
1183 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_KEY_CONTAINER %d", pInfo->bContainerIndex); |
1184 |
__leave; |
1185 |
} |
1186 |
// check the buffer size |
1187 |
dwReturn = OCardGetKeyAlgorithmAttributes(pCardData, Confidentiality, &Attributes); |
1188 |
if (dwReturn) |
1189 |
{ |
1190 |
__leave; |
1191 |
} |
1192 |
if (pInfo->cbData < (DWORD)(Attributes.wModulusLengthInBit/8)) |
1193 |
{ |
1194 |
dwReturn = SCARD_E_INSUFFICIENT_BUFFER; |
1195 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_INSUFFICIENT_BUFFER %d", pInfo->cbData); |
1196 |
__leave; |
1197 |
} |
1198 |
pContext = (POPENPGP_CONTEXT) pCardData->pvVendorSpecific; |
1199 |
dwCmdSize = 5; |
1200 |
if (pContext->fExtentedLeLcFields) |
1201 |
{ |
1202 |
pbCmd[dwCmdSize++] = (BYTE)((pInfo->cbData +1) / 0x100); |
1203 |
pbCmd[dwCmdSize++] = (BYTE)((pInfo->cbData +1) % 0x100); |
1204 |
} |
1205 |
else |
1206 |
{ |
1207 |
pbCmd[dwCmdSize++] = (BYTE)((pInfo->cbData +1) % 0x100); |
1208 |
} |
1209 |
pbCmd[dwCmdSize++] = 0; |
1210 |
//little endian => big endian |
1211 |
for(dwI = 0; dwI < pInfo->cbData; dwI++) |
1212 |
{ |
1213 |
pbCmd[dwCmdSize + dwI] = pInfo->pbData[pInfo->cbData -1 -dwI]; |
1214 |
} |
1215 |
dwCmdSize += pInfo->cbData; |
1216 |
if (pContext->fExtentedLeLcFields) |
1217 |
{ |
1218 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength / 0x100); |
1219 |
pbCmd[dwCmdSize++] = (BYTE)(pContext->dwMaxCommandDataLength % 0x100); |
1220 |
} |
1221 |
else |
1222 |
{ |
1223 |
pbCmd[dwCmdSize++] = 0; |
1224 |
} |
1225 |
dwReturn = OCardGetData(pCardData, pbCmd, dwCmdSize, &pbData, &dwResponseSize); |
1226 |
if (dwReturn) |
1227 |
{ |
1228 |
__leave; |
1229 |
} |
1230 |
|
1231 |
// CryptDecrypt expects the data decrypted using rsa (only the mathematical computation) |
1232 |
// this means the data with the padding (removed by the card) |
1233 |
// and in little endian (while the card return the data in big endian) |
1234 |
// so we rebuilt the padding in reverse order |
1235 |
|
1236 |
if ( pInfo->cbData < dwResponseSize + 3 + 11) |
1237 |
{ |
1238 |
dwReturn = SCARD_E_INSUFFICIENT_BUFFER; |
1239 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_INSUFFICIENT_BUFFER %d expected = %d", pInfo->cbData, dwResponseSize); |
1240 |
__leave; |
1241 |
} |
1242 |
|
1243 |
pInfo->pbData[pInfo->cbData - 1] = 0; // start byte |
1244 |
pInfo->pbData[pInfo->cbData - 2] = 02; // block type |
1245 |
// padding |
1246 |
memset(pInfo->pbData + dwResponseSize + 1,1,pInfo->cbData - 3 - dwResponseSize); |
1247 |
pInfo->pbData[dwResponseSize] = 0; // separator |
1248 |
// data field in reverse order |
1249 |
for(dwI = 0; dwI < dwResponseSize; dwI++) |
1250 |
{ |
1251 |
pInfo->pbData[dwI] = pbData[dwResponseSize - 1 - dwI]; |
1252 |
} |
1253 |
} |
1254 |
__finally |
1255 |
{ |
1256 |
if (pbData) |
1257 |
{ |
1258 |
SecureZeroMemory(pbData, dwResponseSize); |
1259 |
pCardData->pfnCspFree(pbData); |
1260 |
} |
1261 |
} |
1262 |
Trace(WINEVENT_LEVEL_VERBOSE, L"dwReturn = 0x%08X",dwReturn); |
1263 |
return dwReturn; |
1264 |
} |
1265 |
|
1266 |
|
1267 |
DWORD OCardReadContainerMapFile(__in PCARD_DATA pCardData, |
1268 |
__in PBYTE* ppbResponse, __in PDWORD pdwResponseSize) |
1269 |
{ |
1270 |
DWORD dwReturn = 0; |
1271 |
POPENPGP_CONTEXT pContext = (POPENPGP_CONTEXT) pCardData->pvVendorSpecific; |
1272 |
OPENPGP_ALGORITHM_ATTRIBUTE Attributes; |
1273 |
__try |
1274 |
{ |
1275 |
PCONTAINER_MAP_RECORD pContainer = NULL; |
1276 |
BOOL fIsDefaultContainerSet = FALSE; |
1277 |
*pdwResponseSize = sizeof(CONTAINER_MAP_RECORD) * MaxContainer; |
1278 |
*ppbResponse = pCardData->pfnCspAlloc(*pdwResponseSize); |
1279 |
if (! *ppbResponse ) |
1280 |
{ |
1281 |
dwReturn = SCARD_E_NO_MEMORY; |
1282 |
Trace(WINEVENT_LEVEL_ERROR, L"SCARD_E_NO_MEMORY"); |
1283 |
__leave; |
1284 |
} |
1285 |
pContainer = (PCONTAINER_MAP_RECORD) *ppbResponse; |
1286 |
memset(pContainer,0,sizeof(CONTAINER_MAP_RECORD) * 3); |
1287 |
|
1288 |
dwReturn = OCardGetKeyAlgorithmAttributes(pCardData, Authentication, &Attributes); |
1289 |
if (dwReturn) |
1290 |
{ |
1291 |
__leave; |
1292 |
} |
1293 |
pContainer[Authentication].wSigKeySizeBits = Attributes.wModulusLengthInBit; |
1294 |
swprintf_s(pContainer[Authentication].wszGuid,MAX_CONTAINER_NAME_LEN + 1, |
1295 |
L"OPENPGP_%02X%02X_%02X%02X_%02X%02X%02X%02X_Authenticate", |
1296 |
pContext->Aid.AidVersion[0],pContext->Aid.AidVersion[1], |
1297 |
pContext->Aid.AidManufacturer[0],pContext->Aid.AidManufacturer[1], |
1298 |
pContext->Aid.AidSerialNumber[0],pContext->Aid.AidSerialNumber[1], |
1299 |
pContext->Aid.AidSerialNumber[2],pContext->Aid.AidSerialNumber[3]); |
1300 |
if (pContext->fHasAuthentication) |
1301 |
{ |
1302 |
pContainer[Authentication].bFlags = CONTAINER_MAP_VALID_CONTAINER | CONTAINER_MAP_DEFAULT_CONTAINER; |
1303 |
fIsDefaultContainerSet = TRUE; |
1304 |
} |
1305 |
dwReturn = OCardGetKeyAlgorithmAttributes(pCardData, Signature, &Attributes); |
1306 |
if (dwReturn) |
1307 |
{ |
1308 |
__leave; |
1309 |
} |
1310 |
pContainer[Signature].wSigKeySizeBits = Attributes.wModulusLengthInBit; |
1311 |
swprintf_s(pContainer[Signature].wszGuid,MAX_CONTAINER_NAME_LEN + 1, |
1312 |
L"OPENPGP_%02X%02X_%02X%02X_%02X%02X%02X%02X_Signature", |
1313 |
pContext->Aid.AidVersion[0],pContext->Aid.AidVersion[1], |
1314 |
pContext->Aid.AidManufacturer[0],pContext->Aid.AidManufacturer[1], |
1315 |
pContext->Aid.AidSerialNumber[0],pContext->Aid.AidSerialNumber[1], |
1316 |
pContext->Aid.AidSerialNumber[2],pContext->Aid.AidSerialNumber[3]); |
1317 |
if (pContext->fHasSignature) |
1318 |
{ |
1319 |
pContainer[Signature].bFlags = CONTAINER_MAP_VALID_CONTAINER; |
1320 |
if (!fIsDefaultContainerSet) |
1321 |
{ |
1322 |
pContainer[Signature].bFlags |= CONTAINER_MAP_DEFAULT_CONTAINER; |
1323 |
fIsDefaultContainerSet = TRUE; |
1324 |
} |
1325 |
} |
1326 |
|
1327 |
dwReturn = OCardGetKeyAlgorithmAttributes(pCardData, Confidentiality, &Attributes); |
1328 |
if (dwReturn) |
1329 |
{ |
1330 |
__leave; |
1331 |
} |
1332 |
pContainer[Confidentiality].wKeyExchangeKeySizeBits = Attributes.wModulusLengthInBit; |
1333 |
|
1334 |
swprintf_s(pContainer[Confidentiality].wszGuid,MAX_CONTAINER_NAME_LEN + 1, |
1335 |
L"OPENPGP_%02X%02X_%02X%02X_%02X%02X%02X%02X_Confidential", |
1336 |
pContext->Aid.AidVersion[0],pContext->Aid.AidVersion[1], |
1337 |
pContext->Aid.AidManufacturer[0],pContext->Aid.AidManufacturer[1], |
1338 |
pContext->Aid.AidSerialNumber[0],pContext->Aid.AidSerialNumber[1], |
1339 |
pContext->Aid.AidSerialNumber[2],pContext->Aid.AidSerialNumber[3]); |
1340 |
if (pContext->fHasDecryption) |
1341 |
{ |
1342 |
pContainer[Confidentiality].bFlags = CONTAINER_MAP_VALID_CONTAINER; |
1343 |
if (!fIsDefaultContainerSet) |
1344 |
{ |
1345 |
pContainer[Confidentiality].bFlags |= CONTAINER_MAP_DEFAULT_CONTAINER; |
1346 |
fIsDefaultContainerSet = TRUE; |
1347 |
} |
1348 |
} |
1349 |
} |
1350 |
__finally |
1351 |
{ |
1352 |
} |
1353 |
return dwReturn; |
1354 |
} |