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584 lines
19 KiB
C
584 lines
19 KiB
C
/*
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* Copyright 2007 Juan Lang
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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 as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wincrypt.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(crypt);
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HCERTSTORE WINAPI CryptGetMessageCertificates(DWORD dwMsgAndCertEncodingType,
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HCRYPTPROV_LEGACY hCryptProv, DWORD dwFlags, const BYTE* pbSignedBlob,
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DWORD cbSignedBlob)
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{
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CRYPT_DATA_BLOB blob = { cbSignedBlob, (LPBYTE)pbSignedBlob };
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TRACE("(%08x, %ld, %d08x %p, %d)\n", dwMsgAndCertEncodingType, hCryptProv,
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dwFlags, pbSignedBlob, cbSignedBlob);
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return CertOpenStore(CERT_STORE_PROV_PKCS7, dwMsgAndCertEncodingType,
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hCryptProv, dwFlags, &blob);
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}
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LONG WINAPI CryptGetMessageSignerCount(DWORD dwMsgEncodingType,
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const BYTE *pbSignedBlob, DWORD cbSignedBlob)
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{
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HCRYPTMSG msg;
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LONG count = -1;
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TRACE("(%08x, %p, %d)\n", dwMsgEncodingType, pbSignedBlob, cbSignedBlob);
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msg = CryptMsgOpenToDecode(dwMsgEncodingType, 0, 0, 0, NULL, NULL);
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if (msg)
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{
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if (CryptMsgUpdate(msg, pbSignedBlob, cbSignedBlob, TRUE))
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{
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DWORD size = sizeof(count);
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CryptMsgGetParam(msg, CMSG_SIGNER_COUNT_PARAM, 0, &count, &size);
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}
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CryptMsgClose(msg);
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}
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return count;
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}
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static CERT_INFO *CRYPT_GetSignerCertInfoFromMsg(HCRYPTMSG msg,
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DWORD dwSignerIndex)
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{
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CERT_INFO *certInfo = NULL;
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DWORD size;
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if (CryptMsgGetParam(msg, CMSG_SIGNER_CERT_INFO_PARAM, dwSignerIndex, NULL,
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&size))
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{
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certInfo = CryptMemAlloc(size);
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if (certInfo)
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{
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if (!CryptMsgGetParam(msg, CMSG_SIGNER_CERT_INFO_PARAM,
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dwSignerIndex, certInfo, &size))
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{
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CryptMemFree(certInfo);
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certInfo = NULL;
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}
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}
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}
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else
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SetLastError(CRYPT_E_UNEXPECTED_MSG_TYPE);
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return certInfo;
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}
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static PCCERT_CONTEXT WINAPI CRYPT_DefaultGetSignerCertificate(void *pvGetArg,
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DWORD dwCertEncodingType, PCERT_INFO pSignerId, HCERTSTORE hMsgCertStore)
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{
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return CertFindCertificateInStore(hMsgCertStore, dwCertEncodingType, 0,
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CERT_FIND_SUBJECT_CERT, pSignerId, NULL);
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}
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static inline PCCERT_CONTEXT CRYPT_GetSignerCertificate(HCRYPTMSG msg,
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PCRYPT_VERIFY_MESSAGE_PARA pVerifyPara, PCERT_INFO certInfo, HCERTSTORE store)
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{
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PFN_CRYPT_GET_SIGNER_CERTIFICATE getCert;
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if (pVerifyPara->pfnGetSignerCertificate)
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getCert = pVerifyPara->pfnGetSignerCertificate;
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else
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getCert = CRYPT_DefaultGetSignerCertificate;
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return getCert(pVerifyPara->pvGetArg,
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pVerifyPara->dwMsgAndCertEncodingType, certInfo, store);
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}
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BOOL WINAPI CryptVerifyDetachedMessageSignature(
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PCRYPT_VERIFY_MESSAGE_PARA pVerifyPara, DWORD dwSignerIndex,
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const BYTE *pbDetachedSignBlob, DWORD cbDetachedSignBlob, DWORD cToBeSigned,
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const BYTE *rgpbToBeSigned[], DWORD rgcbToBeSigned[],
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PCCERT_CONTEXT *ppSignerCert)
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{
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BOOL ret = FALSE;
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HCRYPTMSG msg;
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TRACE("(%p, %d, %p, %d, %d, %p, %p, %p)\n", pVerifyPara, dwSignerIndex,
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pbDetachedSignBlob, cbDetachedSignBlob, cToBeSigned, rgpbToBeSigned,
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rgcbToBeSigned, ppSignerCert);
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if (ppSignerCert)
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*ppSignerCert = NULL;
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if (!pVerifyPara ||
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pVerifyPara->cbSize != sizeof(CRYPT_VERIFY_MESSAGE_PARA) ||
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GET_CMSG_ENCODING_TYPE(pVerifyPara->dwMsgAndCertEncodingType) !=
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PKCS_7_ASN_ENCODING)
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{
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SetLastError(E_INVALIDARG);
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return FALSE;
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}
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msg = CryptMsgOpenToDecode(pVerifyPara->dwMsgAndCertEncodingType,
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CMSG_DETACHED_FLAG, 0, pVerifyPara->hCryptProv, NULL, NULL);
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if (msg)
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{
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ret = CryptMsgUpdate(msg, pbDetachedSignBlob, cbDetachedSignBlob, TRUE);
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if (ret)
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{
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DWORD i;
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for (i = 0; ret && i < cToBeSigned; i++)
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ret = CryptMsgUpdate(msg, rgpbToBeSigned[i], rgcbToBeSigned[i],
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i == cToBeSigned - 1);
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}
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if (ret)
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{
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CERT_INFO *certInfo = CRYPT_GetSignerCertInfoFromMsg(msg,
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dwSignerIndex);
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ret = FALSE;
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if (certInfo)
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{
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HCERTSTORE store = CertOpenStore(CERT_STORE_PROV_MSG,
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pVerifyPara->dwMsgAndCertEncodingType,
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pVerifyPara->hCryptProv, 0, msg);
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if (store)
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{
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PCCERT_CONTEXT cert = CRYPT_GetSignerCertificate(
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msg, pVerifyPara, certInfo, store);
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if (cert)
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{
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ret = CryptMsgControl(msg, 0,
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CMSG_CTRL_VERIFY_SIGNATURE, cert->pCertInfo);
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if (ret && ppSignerCert)
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*ppSignerCert = cert;
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else
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CertFreeCertificateContext(cert);
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}
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else
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SetLastError(CRYPT_E_NOT_FOUND);
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CertCloseStore(store, 0);
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}
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CryptMemFree(certInfo);
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}
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}
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CryptMsgClose(msg);
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}
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TRACE("returning %d\n", ret);
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return ret;
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}
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BOOL WINAPI CryptVerifyMessageSignature(PCRYPT_VERIFY_MESSAGE_PARA pVerifyPara,
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DWORD dwSignerIndex, const BYTE* pbSignedBlob, DWORD cbSignedBlob,
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BYTE* pbDecoded, DWORD* pcbDecoded, PCCERT_CONTEXT* ppSignerCert)
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{
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BOOL ret = FALSE;
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HCRYPTMSG msg;
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TRACE("(%p, %d, %p, %d, %p, %p, %p)\n",
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pVerifyPara, dwSignerIndex, pbSignedBlob, cbSignedBlob,
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pbDecoded, pcbDecoded, ppSignerCert);
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if (ppSignerCert)
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*ppSignerCert = NULL;
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if (!pVerifyPara ||
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pVerifyPara->cbSize != sizeof(CRYPT_VERIFY_MESSAGE_PARA) ||
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GET_CMSG_ENCODING_TYPE(pVerifyPara->dwMsgAndCertEncodingType) !=
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PKCS_7_ASN_ENCODING)
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{
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if(pcbDecoded)
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*pcbDecoded = 0;
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SetLastError(E_INVALIDARG);
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return FALSE;
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}
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msg = CryptMsgOpenToDecode(pVerifyPara->dwMsgAndCertEncodingType, 0, 0,
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pVerifyPara->hCryptProv, NULL, NULL);
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if (msg)
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{
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ret = CryptMsgUpdate(msg, pbSignedBlob, cbSignedBlob, TRUE);
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if (ret && pcbDecoded)
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ret = CryptMsgGetParam(msg, CMSG_CONTENT_PARAM, 0, pbDecoded,
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pcbDecoded);
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if (ret)
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{
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CERT_INFO *certInfo = CRYPT_GetSignerCertInfoFromMsg(msg,
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dwSignerIndex);
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ret = FALSE;
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if (certInfo)
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{
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HCERTSTORE store = CertOpenStore(CERT_STORE_PROV_MSG,
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pVerifyPara->dwMsgAndCertEncodingType,
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pVerifyPara->hCryptProv, 0, msg);
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if (store)
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{
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PCCERT_CONTEXT cert = CRYPT_GetSignerCertificate(
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msg, pVerifyPara, certInfo, store);
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if (cert)
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{
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ret = CryptMsgControl(msg, 0,
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CMSG_CTRL_VERIFY_SIGNATURE, cert->pCertInfo);
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if (ret && ppSignerCert)
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*ppSignerCert = cert;
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else
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CertFreeCertificateContext(cert);
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}
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CertCloseStore(store, 0);
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}
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}
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CryptMemFree(certInfo);
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}
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CryptMsgClose(msg);
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}
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if(!ret && pcbDecoded)
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*pcbDecoded = 0;
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TRACE("returning %d\n", ret);
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return ret;
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}
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BOOL WINAPI CryptHashMessage(PCRYPT_HASH_MESSAGE_PARA pHashPara,
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BOOL fDetachedHash, DWORD cToBeHashed, const BYTE *rgpbToBeHashed[],
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DWORD rgcbToBeHashed[], BYTE *pbHashedBlob, DWORD *pcbHashedBlob,
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BYTE *pbComputedHash, DWORD *pcbComputedHash)
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{
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DWORD i, flags;
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BOOL ret = FALSE;
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HCRYPTMSG msg;
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CMSG_HASHED_ENCODE_INFO info;
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TRACE("(%p, %d, %d, %p, %p, %p, %p, %p, %p)\n", pHashPara, fDetachedHash,
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cToBeHashed, rgpbToBeHashed, rgcbToBeHashed, pbHashedBlob, pcbHashedBlob,
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pbComputedHash, pcbComputedHash);
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if (pHashPara->cbSize != sizeof(CRYPT_HASH_MESSAGE_PARA))
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{
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SetLastError(E_INVALIDARG);
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return FALSE;
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}
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/* Native seems to ignore any encoding type other than the expected
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* PKCS_7_ASN_ENCODING
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*/
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if (GET_CMSG_ENCODING_TYPE(pHashPara->dwMsgEncodingType) !=
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PKCS_7_ASN_ENCODING)
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return TRUE;
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/* Native also seems to do nothing if the output parameter isn't given */
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if (!pcbHashedBlob)
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return TRUE;
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flags = fDetachedHash ? CMSG_DETACHED_FLAG : 0;
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memset(&info, 0, sizeof(info));
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info.cbSize = sizeof(info);
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info.hCryptProv = pHashPara->hCryptProv;
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info.HashAlgorithm = pHashPara->HashAlgorithm;
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info.pvHashAuxInfo = pHashPara->pvHashAuxInfo;
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msg = CryptMsgOpenToEncode(pHashPara->dwMsgEncodingType, flags, CMSG_HASHED,
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&info, NULL, NULL);
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if (msg)
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{
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for (i = 0, ret = TRUE; ret && i < cToBeHashed; i++)
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ret = CryptMsgUpdate(msg, rgpbToBeHashed[i], rgcbToBeHashed[i], i == cToBeHashed - 1);
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if (ret)
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{
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ret = CryptMsgGetParam(msg, CMSG_CONTENT_PARAM, 0, pbHashedBlob,
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pcbHashedBlob);
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if (ret && pcbComputedHash)
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ret = CryptMsgGetParam(msg, CMSG_COMPUTED_HASH_PARAM, 0,
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pbComputedHash, pcbComputedHash);
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}
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CryptMsgClose(msg);
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}
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return ret;
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}
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BOOL WINAPI CryptVerifyDetachedMessageHash(PCRYPT_HASH_MESSAGE_PARA pHashPara,
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BYTE *pbDetachedHashBlob, DWORD cbDetachedHashBlob, DWORD cToBeHashed,
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const BYTE *rgpbToBeHashed[], DWORD rgcbToBeHashed[], BYTE *pbComputedHash,
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DWORD *pcbComputedHash)
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{
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HCRYPTMSG msg;
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BOOL ret = FALSE;
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TRACE("(%p, %p, %d, %d, %p, %p, %p, %p)\n", pHashPara, pbDetachedHashBlob,
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cbDetachedHashBlob, cToBeHashed, rgpbToBeHashed, rgcbToBeHashed,
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pbComputedHash, pcbComputedHash);
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if (pHashPara->cbSize != sizeof(CRYPT_HASH_MESSAGE_PARA))
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{
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SetLastError(E_INVALIDARG);
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return FALSE;
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}
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if (GET_CMSG_ENCODING_TYPE(pHashPara->dwMsgEncodingType) !=
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PKCS_7_ASN_ENCODING)
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{
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SetLastError(E_INVALIDARG);
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return FALSE;
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}
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msg = CryptMsgOpenToDecode(pHashPara->dwMsgEncodingType, CMSG_DETACHED_FLAG,
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0, pHashPara->hCryptProv, NULL, NULL);
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if (msg)
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{
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DWORD i;
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ret = CryptMsgUpdate(msg, pbDetachedHashBlob, cbDetachedHashBlob, TRUE);
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if (ret)
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{
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if (cToBeHashed)
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{
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for (i = 0; ret && i < cToBeHashed; i++)
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{
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ret = CryptMsgUpdate(msg, rgpbToBeHashed[i],
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rgcbToBeHashed[i], i == cToBeHashed - 1);
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}
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}
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else
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ret = CryptMsgUpdate(msg, NULL, 0, TRUE);
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}
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if (ret)
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{
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ret = CryptMsgControl(msg, 0, CMSG_CTRL_VERIFY_HASH, NULL);
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if (ret && pcbComputedHash)
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ret = CryptMsgGetParam(msg, CMSG_COMPUTED_HASH_PARAM, 0,
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pbComputedHash, pcbComputedHash);
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}
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CryptMsgClose(msg);
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}
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return ret;
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}
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BOOL WINAPI CryptVerifyMessageHash(PCRYPT_HASH_MESSAGE_PARA pHashPara,
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BYTE *pbHashedBlob, DWORD cbHashedBlob, BYTE *pbToBeHashed,
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DWORD *pcbToBeHashed, BYTE *pbComputedHash, DWORD *pcbComputedHash)
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{
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HCRYPTMSG msg;
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BOOL ret = FALSE;
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TRACE("(%p, %p, %d, %p, %p, %p, %p)\n", pHashPara, pbHashedBlob,
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cbHashedBlob, pbToBeHashed, pcbToBeHashed, pbComputedHash,
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pcbComputedHash);
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if (pHashPara->cbSize != sizeof(CRYPT_HASH_MESSAGE_PARA))
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{
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SetLastError(E_INVALIDARG);
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return FALSE;
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}
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if (GET_CMSG_ENCODING_TYPE(pHashPara->dwMsgEncodingType) !=
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PKCS_7_ASN_ENCODING)
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{
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SetLastError(E_INVALIDARG);
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return FALSE;
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}
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msg = CryptMsgOpenToDecode(pHashPara->dwMsgEncodingType, 0, 0,
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pHashPara->hCryptProv, NULL, NULL);
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if (msg)
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{
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ret = CryptMsgUpdate(msg, pbHashedBlob, cbHashedBlob, TRUE);
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if (ret)
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{
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ret = CryptMsgControl(msg, 0, CMSG_CTRL_VERIFY_HASH, NULL);
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if (ret && pcbToBeHashed)
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ret = CryptMsgGetParam(msg, CMSG_CONTENT_PARAM, 0,
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pbToBeHashed, pcbToBeHashed);
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if (ret && pcbComputedHash)
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ret = CryptMsgGetParam(msg, CMSG_COMPUTED_HASH_PARAM, 0,
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pbComputedHash, pcbComputedHash);
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}
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CryptMsgClose(msg);
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}
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return ret;
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}
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BOOL WINAPI CryptSignMessage(PCRYPT_SIGN_MESSAGE_PARA pSignPara,
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BOOL fDetachedSignature, DWORD cToBeSigned, const BYTE *rgpbToBeSigned[],
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DWORD rgcbToBeSigned[], BYTE *pbSignedBlob, DWORD *pcbSignedBlob)
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{
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HCRYPTPROV hCryptProv;
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BOOL ret, freeProv = FALSE;
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DWORD i, keySpec;
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PCERT_BLOB certBlob = NULL;
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PCRL_BLOB crlBlob = NULL;
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CMSG_SIGNED_ENCODE_INFO signInfo;
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CMSG_SIGNER_ENCODE_INFO signer;
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HCRYPTMSG msg = 0;
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TRACE("(%p, %d, %d, %p, %p, %p, %p)\n", pSignPara, fDetachedSignature,
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cToBeSigned, rgpbToBeSigned, rgcbToBeSigned, pbSignedBlob, pcbSignedBlob);
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if (pSignPara->cbSize != sizeof(CRYPT_SIGN_MESSAGE_PARA) ||
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GET_CMSG_ENCODING_TYPE(pSignPara->dwMsgEncodingType) !=
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PKCS_7_ASN_ENCODING)
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{
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*pcbSignedBlob = 0;
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SetLastError(E_INVALIDARG);
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return FALSE;
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}
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if (!pSignPara->pSigningCert)
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return TRUE;
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ret = CryptAcquireCertificatePrivateKey(pSignPara->pSigningCert,
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CRYPT_ACQUIRE_CACHE_FLAG, NULL, &hCryptProv, &keySpec, &freeProv);
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if (!ret)
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return FALSE;
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memset(&signer, 0, sizeof(signer));
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signer.cbSize = sizeof(signer);
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signer.pCertInfo = pSignPara->pSigningCert->pCertInfo;
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signer.hCryptProv = hCryptProv;
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signer.dwKeySpec = keySpec;
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signer.HashAlgorithm = pSignPara->HashAlgorithm;
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signer.pvHashAuxInfo = pSignPara->pvHashAuxInfo;
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signer.cAuthAttr = pSignPara->cAuthAttr;
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signer.rgAuthAttr = pSignPara->rgAuthAttr;
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signer.cUnauthAttr = pSignPara->cUnauthAttr;
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signer.rgUnauthAttr = pSignPara->rgUnauthAttr;
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memset(&signInfo, 0, sizeof(signInfo));
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signInfo.cbSize = sizeof(signInfo);
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signInfo.cSigners = 1;
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signInfo.rgSigners = &signer;
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if (pSignPara->cMsgCert)
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{
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certBlob = CryptMemAlloc(sizeof(CERT_BLOB) * pSignPara->cMsgCert);
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if (certBlob)
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{
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for (i = 0; i < pSignPara->cMsgCert; ++i)
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{
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certBlob[i].cbData = pSignPara->rgpMsgCert[i]->cbCertEncoded;
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certBlob[i].pbData = pSignPara->rgpMsgCert[i]->pbCertEncoded;
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}
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signInfo.cCertEncoded = pSignPara->cMsgCert;
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signInfo.rgCertEncoded = certBlob;
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}
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else
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ret = FALSE;
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}
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if (pSignPara->cMsgCrl)
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{
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crlBlob = CryptMemAlloc(sizeof(CRL_BLOB) * pSignPara->cMsgCrl);
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if (crlBlob)
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{
|
|
for (i = 0; i < pSignPara->cMsgCrl; ++i)
|
|
{
|
|
crlBlob[i].cbData = pSignPara->rgpMsgCrl[i]->cbCrlEncoded;
|
|
crlBlob[i].pbData = pSignPara->rgpMsgCrl[i]->pbCrlEncoded;
|
|
}
|
|
signInfo.cCrlEncoded = pSignPara->cMsgCrl;
|
|
signInfo.rgCrlEncoded = crlBlob;
|
|
}
|
|
else
|
|
ret = FALSE;
|
|
}
|
|
if (pSignPara->dwFlags || pSignPara->dwInnerContentType)
|
|
FIXME("unimplemented feature\n");
|
|
|
|
if (ret)
|
|
msg = CryptMsgOpenToEncode(pSignPara->dwMsgEncodingType,
|
|
fDetachedSignature ? CMSG_DETACHED_FLAG : 0, CMSG_SIGNED, &signInfo,
|
|
NULL, NULL);
|
|
if (msg)
|
|
{
|
|
if (cToBeSigned)
|
|
{
|
|
for (i = 0; ret && i < cToBeSigned; ++i)
|
|
{
|
|
ret = CryptMsgUpdate(msg, rgpbToBeSigned[i], rgcbToBeSigned[i],
|
|
i == cToBeSigned - 1);
|
|
}
|
|
}
|
|
else
|
|
ret = CryptMsgUpdate(msg, NULL, 0, TRUE);
|
|
if (ret)
|
|
ret = CryptMsgGetParam(msg, CMSG_CONTENT_PARAM, 0, pbSignedBlob,
|
|
pcbSignedBlob);
|
|
CryptMsgClose(msg);
|
|
}
|
|
else
|
|
ret = FALSE;
|
|
|
|
CryptMemFree(crlBlob);
|
|
CryptMemFree(certBlob);
|
|
if (freeProv)
|
|
CryptReleaseContext(hCryptProv, 0);
|
|
return ret;
|
|
}
|
|
|
|
BOOL WINAPI CryptEncryptMessage(PCRYPT_ENCRYPT_MESSAGE_PARA pEncryptPara,
|
|
DWORD cRecipientCert, PCCERT_CONTEXT rgpRecipientCert[],
|
|
const BYTE *pbToBeEncrypted, DWORD cbToBeEncrypted, BYTE *pbEncryptedBlob,
|
|
DWORD *pcbEncryptedBlob)
|
|
{
|
|
BOOL ret = TRUE;
|
|
DWORD i;
|
|
PCERT_INFO *certInfo = NULL;
|
|
CMSG_ENVELOPED_ENCODE_INFO envelopedInfo;
|
|
HCRYPTMSG msg = 0;
|
|
|
|
TRACE("(%p, %d, %p, %p, %d, %p, %p)\n", pEncryptPara, cRecipientCert,
|
|
rgpRecipientCert, pbToBeEncrypted, cbToBeEncrypted, pbEncryptedBlob,
|
|
pcbEncryptedBlob);
|
|
|
|
if (pEncryptPara->cbSize != sizeof(CRYPT_ENCRYPT_MESSAGE_PARA) ||
|
|
GET_CMSG_ENCODING_TYPE(pEncryptPara->dwMsgEncodingType) !=
|
|
PKCS_7_ASN_ENCODING)
|
|
{
|
|
*pcbEncryptedBlob = 0;
|
|
SetLastError(E_INVALIDARG);
|
|
return FALSE;
|
|
}
|
|
|
|
memset(&envelopedInfo, 0, sizeof(envelopedInfo));
|
|
envelopedInfo.cbSize = sizeof(envelopedInfo);
|
|
envelopedInfo.hCryptProv = pEncryptPara->hCryptProv;
|
|
envelopedInfo.ContentEncryptionAlgorithm =
|
|
pEncryptPara->ContentEncryptionAlgorithm;
|
|
envelopedInfo.pvEncryptionAuxInfo = pEncryptPara->pvEncryptionAuxInfo;
|
|
|
|
if (cRecipientCert)
|
|
{
|
|
certInfo = CryptMemAlloc(sizeof(PCERT_INFO) * cRecipientCert);
|
|
if (certInfo)
|
|
{
|
|
for (i = 0; i < cRecipientCert; ++i)
|
|
certInfo[i] = rgpRecipientCert[i]->pCertInfo;
|
|
envelopedInfo.cRecipients = cRecipientCert;
|
|
envelopedInfo.rgpRecipientCert = certInfo;
|
|
}
|
|
else
|
|
ret = FALSE;
|
|
}
|
|
|
|
if (ret)
|
|
msg = CryptMsgOpenToEncode(pEncryptPara->dwMsgEncodingType, 0,
|
|
CMSG_ENVELOPED, &envelopedInfo, NULL, NULL);
|
|
if (msg)
|
|
{
|
|
ret = CryptMsgUpdate(msg, pbToBeEncrypted, cbToBeEncrypted, TRUE);
|
|
if (ret)
|
|
ret = CryptMsgGetParam(msg, CMSG_CONTENT_PARAM, 0, pbEncryptedBlob,
|
|
pcbEncryptedBlob);
|
|
CryptMsgClose(msg);
|
|
}
|
|
else
|
|
ret = FALSE;
|
|
|
|
CryptMemFree(certInfo);
|
|
if (!ret) *pcbEncryptedBlob = 0;
|
|
return ret;
|
|
}
|