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Sweden-Number/dlls/crypt32/cert.c

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/*
* Copyright 2004-2006 Juan Lang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <assert.h>
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wincrypt.h"
#include "wine/debug.h"
#include "crypt32_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(crypt);
PCRYPT_ATTRIBUTE WINAPI CertFindAttribute(LPCSTR pszObjId, DWORD cAttr,
CRYPT_ATTRIBUTE rgAttr[])
{
PCRYPT_ATTRIBUTE ret = NULL;
DWORD i;
TRACE("%s %ld %p\n", debugstr_a(pszObjId), cAttr, rgAttr);
if (!cAttr)
return NULL;
if (!pszObjId)
{
SetLastError(ERROR_INVALID_PARAMETER);
return NULL;
}
for (i = 0; !ret && i < cAttr; i++)
if (rgAttr[i].pszObjId && !strcmp(pszObjId, rgAttr[i].pszObjId))
ret = &rgAttr[i];
return ret;
}
PCERT_EXTENSION WINAPI CertFindExtension(LPCSTR pszObjId, DWORD cExtensions,
CERT_EXTENSION rgExtensions[])
{
PCERT_EXTENSION ret = NULL;
DWORD i;
TRACE("%s %ld %p\n", debugstr_a(pszObjId), cExtensions, rgExtensions);
if (!cExtensions)
return NULL;
if (!pszObjId)
{
SetLastError(ERROR_INVALID_PARAMETER);
return NULL;
}
for (i = 0; !ret && i < cExtensions; i++)
if (rgExtensions[i].pszObjId && !strcmp(pszObjId,
rgExtensions[i].pszObjId))
ret = &rgExtensions[i];
return ret;
}
PCERT_RDN_ATTR WINAPI CertFindRDNAttr(LPCSTR pszObjId, PCERT_NAME_INFO pName)
{
PCERT_RDN_ATTR ret = NULL;
DWORD i, j;
TRACE("%s %p\n", debugstr_a(pszObjId), pName);
if (!pszObjId)
{
SetLastError(ERROR_INVALID_PARAMETER);
return NULL;
}
for (i = 0; !ret && i < pName->cRDN; i++)
for (j = 0; !ret && j < pName->rgRDN[i].cRDNAttr; j++)
if (pName->rgRDN[i].rgRDNAttr[j].pszObjId && !strcmp(pszObjId,
pName->rgRDN[i].rgRDNAttr[j].pszObjId))
ret = &pName->rgRDN[i].rgRDNAttr[j];
return ret;
}
LONG WINAPI CertVerifyTimeValidity(LPFILETIME pTimeToVerify,
PCERT_INFO pCertInfo)
{
FILETIME fileTime;
LONG ret;
if (!pTimeToVerify)
{
SYSTEMTIME sysTime;
GetSystemTime(&sysTime);
SystemTimeToFileTime(&sysTime, &fileTime);
pTimeToVerify = &fileTime;
}
if ((ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotBefore)) >= 0)
{
ret = CompareFileTime(pTimeToVerify, &pCertInfo->NotAfter);
if (ret < 0)
ret = 0;
}
return ret;
}
BOOL WINAPI CryptHashCertificate(HCRYPTPROV hCryptProv, ALG_ID Algid,
DWORD dwFlags, const BYTE *pbEncoded, DWORD cbEncoded, BYTE *pbComputedHash,
DWORD *pcbComputedHash)
{
BOOL ret = TRUE;
HCRYPTHASH hHash = 0;
TRACE("(%ld, %d, %08lx, %p, %ld, %p, %p)\n", hCryptProv, Algid, dwFlags,
pbEncoded, cbEncoded, pbComputedHash, pcbComputedHash);
if (!hCryptProv)
hCryptProv = CRYPT_GetDefaultProvider();
if (!Algid)
Algid = CALG_SHA1;
if (ret)
{
ret = CryptCreateHash(hCryptProv, Algid, 0, 0, &hHash);
if (ret)
{
ret = CryptHashData(hHash, pbEncoded, cbEncoded, 0);
if (ret)
ret = CryptGetHashParam(hHash, HP_HASHVAL, pbComputedHash,
pcbComputedHash, 0);
CryptDestroyHash(hHash);
}
}
return ret;
}
BOOL WINAPI CryptSignCertificate(HCRYPTPROV hCryptProv, DWORD dwKeySpec,
DWORD dwCertEncodingType, const BYTE *pbEncodedToBeSigned,
DWORD cbEncodedToBeSigned, PCRYPT_ALGORITHM_IDENTIFIER pSignatureAlgorithm,
const void *pvHashAuxInfo, BYTE *pbSignature, DWORD *pcbSignature)
{
BOOL ret;
ALG_ID algID;
HCRYPTHASH hHash;
TRACE("(%08lx, %ld, %ld, %p, %ld, %p, %p, %p, %p)\n", hCryptProv,
dwKeySpec, dwCertEncodingType, pbEncodedToBeSigned, cbEncodedToBeSigned,
pSignatureAlgorithm, pvHashAuxInfo, pbSignature, pcbSignature);
algID = CertOIDToAlgId(pSignatureAlgorithm->pszObjId);
if (!algID)
{
SetLastError(NTE_BAD_ALGID);
return FALSE;
}
if (!hCryptProv)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
ret = CryptCreateHash(hCryptProv, algID, 0, 0, &hHash);
if (ret)
{
ret = CryptHashData(hHash, pbEncodedToBeSigned, cbEncodedToBeSigned, 0);
if (ret)
ret = CryptSignHashW(hHash, dwKeySpec, NULL, 0, pbSignature,
pcbSignature);
CryptDestroyHash(hHash);
}
return ret;
}
BOOL WINAPI CryptVerifyCertificateSignature(HCRYPTPROV hCryptProv,
DWORD dwCertEncodingType, const BYTE *pbEncoded, DWORD cbEncoded,
PCERT_PUBLIC_KEY_INFO pPublicKey)
{
return CryptVerifyCertificateSignatureEx(hCryptProv, dwCertEncodingType,
CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB, (void *)pbEncoded,
CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY, pPublicKey, 0, NULL);
}
BOOL WINAPI CryptVerifyCertificateSignatureEx(HCRYPTPROV hCryptProv,
DWORD dwCertEncodingType, DWORD dwSubjectType, void *pvSubject,
DWORD dwIssuerType, void *pvIssuer, DWORD dwFlags, void *pvReserved)
{
BOOL ret = TRUE;
CRYPT_DATA_BLOB subjectBlob;
TRACE("(%08lx, %ld, %ld, %p, %ld, %p, %08lx, %p)\n", hCryptProv,
dwCertEncodingType, dwSubjectType, pvSubject, dwIssuerType, pvIssuer,
dwFlags, pvReserved);
switch (dwSubjectType)
{
case CRYPT_VERIFY_CERT_SIGN_SUBJECT_BLOB:
{
PCRYPT_DATA_BLOB blob = (PCRYPT_DATA_BLOB)pvSubject;
subjectBlob.pbData = blob->pbData;
subjectBlob.cbData = blob->cbData;
break;
}
case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CERT:
{
PCERT_CONTEXT context = (PCERT_CONTEXT)pvSubject;
subjectBlob.pbData = context->pbCertEncoded;
subjectBlob.cbData = context->cbCertEncoded;
break;
}
case CRYPT_VERIFY_CERT_SIGN_SUBJECT_CRL:
{
PCRL_CONTEXT context = (PCRL_CONTEXT)pvSubject;
subjectBlob.pbData = context->pbCrlEncoded;
subjectBlob.cbData = context->cbCrlEncoded;
break;
}
default:
SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
ret = FALSE;
}
if (ret)
{
PCERT_SIGNED_CONTENT_INFO signedCert = NULL;
DWORD size = 0;
ret = CryptDecodeObjectEx(dwCertEncodingType, X509_CERT,
subjectBlob.pbData, subjectBlob.cbData,
CRYPT_DECODE_ALLOC_FLAG | CRYPT_DECODE_NOCOPY_FLAG, NULL,
(BYTE *)&signedCert, &size);
if (ret)
{
switch (dwIssuerType)
{
case CRYPT_VERIFY_CERT_SIGN_ISSUER_PUBKEY:
{
PCERT_PUBLIC_KEY_INFO pubKeyInfo =
(PCERT_PUBLIC_KEY_INFO)pvIssuer;
ALG_ID algID = CertOIDToAlgId(pubKeyInfo->Algorithm.pszObjId);
if (algID)
{
HCRYPTKEY key;
ret = CryptImportPublicKeyInfoEx(hCryptProv,
dwCertEncodingType, pubKeyInfo, algID, 0, NULL, &key);
if (ret)
{
HCRYPTHASH hash;
ret = CryptCreateHash(hCryptProv, algID, 0, 0, &hash);
if (ret)
{
ret = CryptHashData(hash,
signedCert->ToBeSigned.pbData,
signedCert->ToBeSigned.cbData, 0);
if (ret)
{
ret = CryptVerifySignatureW(hash,
signedCert->Signature.pbData,
signedCert->Signature.cbData, key, NULL, 0);
}
CryptDestroyHash(hash);
}
CryptDestroyKey(key);
}
}
else
{
SetLastError(NTE_BAD_ALGID);
ret = FALSE;
}
break;
}
case CRYPT_VERIFY_CERT_SIGN_ISSUER_CERT:
case CRYPT_VERIFY_CERT_SIGN_ISSUER_CHAIN:
FIXME("issuer type %ld: stub\n", dwIssuerType);
ret = FALSE;
break;
case CRYPT_VERIFY_CERT_SIGN_ISSUER_NULL:
if (pvIssuer)
{
SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
ret = FALSE;
}
else
{
FIXME("unimplemented for NULL signer\n");
SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
ret = FALSE;
}
break;
default:
SetLastError(HRESULT_FROM_WIN32(ERROR_INVALID_PARAMETER));
ret = FALSE;
}
LocalFree(signedCert);
}
}
return ret;
}
BOOL WINAPI CryptVerifyMessageSignature(/*PCRYPT_VERIFY_MESSAGE_PARA*/ void* pVerifyPara,
DWORD dwSignerIndex, const BYTE* pbSignedBlob, DWORD cbSignedBlob,
BYTE* pbDecoded, DWORD* pcbDecoded, PCCERT_CONTEXT* ppSignerCert)
{
FIXME("stub: %p, %ld, %p, %ld, %p, %p, %p\n",
pVerifyPara, dwSignerIndex, pbSignedBlob, cbSignedBlob,
pbDecoded, pcbDecoded, ppSignerCert);
return FALSE;
}
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