internal static unsafe int GetSignerIndex(SafeCryptMsgHandle safeCrytpMsgHandle, SignerInfo signerInfo, int startIndex)
{
uint num1 = 0U;
uint num2 = (uint)Marshal.SizeOf(typeof(uint));
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCrytpMsgHandle, 5U, 0U, new IntPtr((void *)&num1), new IntPtr((void *)&num2)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
for (int index = startIndex; index < (int)num1; ++index)
{
uint num3 = 0U;
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCrytpMsgHandle, 6U, (uint)index, IntPtr.Zero, new IntPtr((void *)&num3)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
if (num3 > 0U)
{
SafeLocalAllocHandle pvData = CAPI.LocalAlloc(0U, new IntPtr((long)num3));
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCrytpMsgHandle, 6U, (uint)index, pvData, new IntPtr((void *)&num3)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
CAPI.CMSG_SIGNER_INFO cmsgSignerInfo1 = signerInfo.GetCmsgSignerInfo();
CAPI.CMSG_SIGNER_INFO cmsgSignerInfo2 = (CAPI.CMSG_SIGNER_INFO)Marshal.PtrToStructure(pvData.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_INFO));
if (X509Utils.MemEqual((byte *)(void *)cmsgSignerInfo1.Issuer.pbData, cmsgSignerInfo1.Issuer.cbData, (byte *)(void *)cmsgSignerInfo2.Issuer.pbData, cmsgSignerInfo2.Issuer.cbData) && X509Utils.MemEqual((byte *)(void *)cmsgSignerInfo1.SerialNumber.pbData, cmsgSignerInfo1.SerialNumber.cbData, (byte *)(void *)cmsgSignerInfo2.SerialNumber.pbData, cmsgSignerInfo2.SerialNumber.cbData))
{
return(index);
}
pvData.Dispose();
}
}
throw new CryptographicException(-2146889714);
}
internal static unsafe X509Certificate2Collection GetCertificates(SafeCryptMsgHandle safeCryptMsgHandle)
{
uint num1 = 0U;
uint num2 = (uint)Marshal.SizeOf(typeof(uint));
X509Certificate2Collection certificate2Collection = new X509Certificate2Collection();
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 11U, 0U, new IntPtr((void *)&num1), new IntPtr((void *)&num2)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
for (uint index = 0U; index < num1; ++index)
{
uint cbData = 0U;
SafeLocalAllocHandle pvData = SafeLocalAllocHandle.InvalidHandle;
PkcsUtils.GetParam(safeCryptMsgHandle, 12U, index, out pvData, out cbData);
if (cbData > 0U)
{
System.Security.Cryptography.SafeCertContextHandle certificateContext = CAPI.CAPISafe.CertCreateCertificateContext(65537U, pvData, cbData);
if (certificateContext == null || certificateContext.IsInvalid)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
certificate2Collection.Add(new X509Certificate2(certificateContext.DangerousGetHandle()));
certificateContext.Dispose();
}
}
return(certificate2Collection);
}
internal static unsafe uint GetVersion(SafeCryptMsgHandle safeCryptMsgHandle)
{
uint num1 = 0U;
uint num2 = (uint)Marshal.SizeOf(typeof(uint));
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 30U, 0U, new IntPtr((void *)&num1), new IntPtr((void *)&num2)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
return(num1);
}
internal static unsafe void GetParam(SafeCryptMsgHandle safeCryptMsgHandle, uint paramType, uint index, out SafeLocalAllocHandle pvData, out uint cbData)
{
cbData = 0U;
pvData = SafeLocalAllocHandle.InvalidHandle;
fixed(uint *numPtr = &cbData)
{
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, paramType, index, pvData, new IntPtr((void *)numPtr)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
if (cbData > 0U)
{
pvData = CAPI.LocalAlloc(64U, new IntPtr((long)cbData));
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, paramType, index, pvData, new IntPtr((void *)numPtr)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
}
}
}
internal static unsafe AlgorithmIdentifier GetAlgorithmIdentifier(SafeCryptMsgHandle safeCryptMsgHandle)
{
AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier();
uint num = 0U;
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 15U, 0U, IntPtr.Zero, new IntPtr((void *)&num)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
if (num > 0U)
{
SafeLocalAllocHandle pvData = CAPI.LocalAlloc(0U, new IntPtr((long)num));
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 15U, 0U, pvData, new IntPtr((void *)&num)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
algorithmIdentifier = new AlgorithmIdentifier((CAPI.CRYPT_ALGORITHM_IDENTIFIER)Marshal.PtrToStructure(pvData.DangerousGetHandle(), typeof(CAPI.CRYPT_ALGORITHM_IDENTIFIER)));
pvData.Dispose();
}
return(algorithmIdentifier);
}
internal static unsafe void GetParam(SafeCryptMsgHandle safeCryptMsgHandle, uint paramType, uint index, out byte[] pvData, out uint cbData)
{
cbData = 0U;
pvData = new byte[0];
fixed(uint *numPtr1 = &cbData)
{
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, paramType, index, IntPtr.Zero, new IntPtr((void *)numPtr1)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
if (cbData > 0U)
{
pvData = new byte[(IntPtr)cbData];
fixed(byte *numPtr2 = &pvData[0])
{
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, paramType, index, new IntPtr((void *)numPtr2), new IntPtr((void *)numPtr1)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
}
}
}
}
internal static unsafe CryptographicAttributeObjectCollection GetUnprotectedAttributes(SafeCryptMsgHandle safeCryptMsgHandle)
{
uint num = 0U;
CryptographicAttributeObjectCollection objectCollection = new CryptographicAttributeObjectCollection();
SafeLocalAllocHandle invalidHandle = SafeLocalAllocHandle.InvalidHandle;
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 37U, 0U, invalidHandle, new IntPtr((void *)&num)) && Marshal.GetLastWin32Error() != -2146889713)
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
if (num > 0U)
{
SafeLocalAllocHandle localAllocHandle;
using (localAllocHandle = CAPI.LocalAlloc(64U, new IntPtr((long)num)))
{
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 37U, 0U, localAllocHandle, new IntPtr((void *)&num)))
{
PkcsUtils.checkErr(Marshal.GetLastWin32Error());
}
objectCollection = new CryptographicAttributeObjectCollection(localAllocHandle);
}
}
return(objectCollection);
}
