internal static unsafe int GetSignerIndex(System.Security.Cryptography.SafeCryptMsgHandle safeCrytpMsgHandle, SignerInfo signerInfo, int startIndex)
{
uint num = 0;
uint num2 = (uint)Marshal.SizeOf(typeof(uint));
if (!System.Security.Cryptography.CAPI.CAPISafe.CryptMsgGetParam(safeCrytpMsgHandle, 5, 0, new IntPtr((void *)&num), new IntPtr((void *)&num2)))
{
checkErr(Marshal.GetLastWin32Error());
}
for (int i = startIndex; i < num; i++)
{
uint num4 = 0;
if (!System.Security.Cryptography.CAPI.CAPISafe.CryptMsgGetParam(safeCrytpMsgHandle, 6, (uint)i, IntPtr.Zero, new IntPtr((void *)&num4)))
{
checkErr(Marshal.GetLastWin32Error());
}
if (num4 > 0)
{
System.Security.Cryptography.SafeLocalAllocHandle pvData = System.Security.Cryptography.CAPI.LocalAlloc(0, new IntPtr((long)num4));
if (!System.Security.Cryptography.CAPI.CAPISafe.CryptMsgGetParam(safeCrytpMsgHandle, 6, (uint)i, pvData, new IntPtr((void *)&num4)))
{
checkErr(Marshal.GetLastWin32Error());
}
System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO cmsgSignerInfo = signerInfo.GetCmsgSignerInfo();
System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO cmsg_signer_info2 = (System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO)Marshal.PtrToStructure(pvData.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO));
if (System.Security.Cryptography.X509Certificates.X509Utils.MemEqual((byte *)cmsgSignerInfo.Issuer.pbData, cmsgSignerInfo.Issuer.cbData, (byte *)cmsg_signer_info2.Issuer.pbData, cmsg_signer_info2.Issuer.cbData) && System.Security.Cryptography.X509Certificates.X509Utils.MemEqual((byte *)cmsgSignerInfo.SerialNumber.pbData, cmsgSignerInfo.SerialNumber.cbData, (byte *)cmsg_signer_info2.SerialNumber.pbData, cmsg_signer_info2.SerialNumber.cbData))
{
return(i);
}
pvData.Dispose();
}
}
throw new CryptographicException(-2146889714);
}
internal SignerInfo(SignedCms signedCms, System.Security.Cryptography.SafeLocalAllocHandle pbCmsgSignerInfo)
{
this.m_signedCms = signedCms;
this.m_parentSignerInfo = null;
this.m_encodedSignerInfo = null;
this.m_pbCmsgSignerInfo = pbCmsgSignerInfo;
this.m_cmsgSignerInfo = (System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO) Marshal.PtrToStructure(pbCmsgSignerInfo.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO));
}
internal SignerInfo(SignedCms signedCms, System.Security.Cryptography.SafeLocalAllocHandle pbCmsgSignerInfo)
{
this.m_signedCms = signedCms;
this.m_parentSignerInfo = null;
this.m_encodedSignerInfo = null;
this.m_pbCmsgSignerInfo = pbCmsgSignerInfo;
this.m_cmsgSignerInfo = (System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO)Marshal.PtrToStructure(pbCmsgSignerInfo.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO));
}
internal unsafe SignerInfo(SignedCms signedCms, SignerInfo parentSignerInfo, byte[] encodedSignerInfo)
{
uint cbDecodedValue = 0;
System.Security.Cryptography.SafeLocalAllocHandle invalidHandle = System.Security.Cryptography.SafeLocalAllocHandle.InvalidHandle;
fixed (byte* numRef = encodedSignerInfo)
{
if (!System.Security.Cryptography.CAPI.DecodeObject(new IntPtr(500L), new IntPtr((void*) numRef), (uint) encodedSignerInfo.Length, out invalidHandle, out cbDecodedValue))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
this.m_signedCms = signedCms;
this.m_parentSignerInfo = parentSignerInfo;
this.m_encodedSignerInfo = (byte[]) encodedSignerInfo.Clone();
this.m_pbCmsgSignerInfo = invalidHandle;
this.m_cmsgSignerInfo = (System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO) Marshal.PtrToStructure(invalidHandle.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO));
}
internal unsafe SignerInfo(SignedCms signedCms, SignerInfo parentSignerInfo, byte[] encodedSignerInfo)
{
uint cbDecodedValue = 0;
System.Security.Cryptography.SafeLocalAllocHandle invalidHandle = System.Security.Cryptography.SafeLocalAllocHandle.InvalidHandle;
fixed(byte *numRef = encodedSignerInfo)
{
if (!System.Security.Cryptography.CAPI.DecodeObject(new IntPtr(500L), new IntPtr((void *)numRef), (uint)encodedSignerInfo.Length, out invalidHandle, out cbDecodedValue))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
this.m_signedCms = signedCms;
this.m_parentSignerInfo = parentSignerInfo;
this.m_encodedSignerInfo = (byte[])encodedSignerInfo.Clone();
this.m_pbCmsgSignerInfo = invalidHandle;
this.m_cmsgSignerInfo = (System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO)Marshal.PtrToStructure(invalidHandle.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO));
}
internal SubjectIdentifier(System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO signerInfo) : this(signerInfo.Issuer, signerInfo.SerialNumber)
{
}
private unsafe void RemoveCounterSignature(int parentIndex, int childIndex)
{
if (parentIndex < 0)
{
throw new ArgumentOutOfRangeException("parentIndex");
}
if (childIndex < 0)
{
throw new ArgumentOutOfRangeException("childIndex");
}
uint cbData = 0;
System.Security.Cryptography.SafeLocalAllocHandle invalidHandle = System.Security.Cryptography.SafeLocalAllocHandle.InvalidHandle;
uint num2 = 0;
System.Security.Cryptography.SafeLocalAllocHandle pvData = System.Security.Cryptography.SafeLocalAllocHandle.InvalidHandle;
uint num3 = 0;
uint cAttr = 0;
IntPtr zero = IntPtr.Zero;
System.Security.Cryptography.SafeCryptMsgHandle cryptMsgHandle = this.m_signedCms.GetCryptMsgHandle();
if (PkcsUtils.CmsSupported())
{
PkcsUtils.GetParam(cryptMsgHandle, 0x27, (uint)parentIndex, out invalidHandle, out cbData);
System.Security.Cryptography.CAPI.CMSG_CMS_SIGNER_INFO cmsg_cms_signer_info = (System.Security.Cryptography.CAPI.CMSG_CMS_SIGNER_INFO)Marshal.PtrToStructure(invalidHandle.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CMSG_CMS_SIGNER_INFO));
cAttr = cmsg_cms_signer_info.UnauthAttrs.cAttr;
zero = new IntPtr((long)cmsg_cms_signer_info.UnauthAttrs.rgAttr);
}
else
{
PkcsUtils.GetParam(cryptMsgHandle, 6, (uint)parentIndex, out pvData, out num2);
System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO cmsg_signer_info = (System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO)Marshal.PtrToStructure(pvData.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CMSG_SIGNER_INFO));
cAttr = cmsg_signer_info.UnauthAttrs.cAttr;
zero = new IntPtr((long)cmsg_signer_info.UnauthAttrs.rgAttr);
}
for (num3 = 0; num3 < cAttr; num3++)
{
System.Security.Cryptography.CAPI.CRYPT_ATTRIBUTE crypt_attribute = (System.Security.Cryptography.CAPI.CRYPT_ATTRIBUTE)Marshal.PtrToStructure(zero, typeof(System.Security.Cryptography.CAPI.CRYPT_ATTRIBUTE));
if ((string.Compare(crypt_attribute.pszObjId, "1.2.840.113549.1.9.6", StringComparison.OrdinalIgnoreCase) == 0) && (crypt_attribute.cValue > 0))
{
if (childIndex < crypt_attribute.cValue)
{
System.Security.Cryptography.CAPI.CMSG_CTRL_DEL_SIGNER_UNAUTH_ATTR_PARA cmsg_ctrl_del_signer_unauth_attr_para = new System.Security.Cryptography.CAPI.CMSG_CTRL_DEL_SIGNER_UNAUTH_ATTR_PARA(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CMSG_CTRL_DEL_SIGNER_UNAUTH_ATTR_PARA)))
{
dwSignerIndex = (uint)parentIndex,
dwUnauthAttrIndex = num3
};
if (!System.Security.Cryptography.CAPI.CryptMsgControl(cryptMsgHandle, 0, 9, new IntPtr((void *)&cmsg_ctrl_del_signer_unauth_attr_para)))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
if (crypt_attribute.cValue > 1)
{
try
{
byte[] buffer;
uint num5 = (uint)((crypt_attribute.cValue - 1) * Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB)));
System.Security.Cryptography.SafeLocalAllocHandle handle4 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr((long)num5));
System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB *rgValue = (System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB *)crypt_attribute.rgValue;
System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB *handle = (System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB *)handle4.DangerousGetHandle();
int num6 = 0;
while (num6 < crypt_attribute.cValue)
{
if (num6 != childIndex)
{
handle[0] = rgValue[0];
}
num6++;
rgValue++;
handle++;
}
System.Security.Cryptography.CAPI.CRYPT_ATTRIBUTE structure = new System.Security.Cryptography.CAPI.CRYPT_ATTRIBUTE {
pszObjId = crypt_attribute.pszObjId,
cValue = crypt_attribute.cValue - 1,
rgValue = handle4.DangerousGetHandle()
};
System.Security.Cryptography.SafeLocalAllocHandle handle5 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_ATTRIBUTE))));
Marshal.StructureToPtr(structure, handle5.DangerousGetHandle(), false);
try
{
if (!System.Security.Cryptography.CAPI.EncodeObject(new IntPtr(0x16L), handle5.DangerousGetHandle(), out buffer))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
finally
{
Marshal.DestroyStructure(handle5.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_ATTRIBUTE));
handle5.Dispose();
}
fixed(byte *numRef = buffer)
{
System.Security.Cryptography.CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA cmsg_ctrl_add_signer_unauth_attr_para = new System.Security.Cryptography.CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA)))
{
dwSignerIndex = (uint)parentIndex
};
cmsg_ctrl_add_signer_unauth_attr_para.blob.cbData = (uint)buffer.Length;
cmsg_ctrl_add_signer_unauth_attr_para.blob.pbData = new IntPtr((void *)numRef);
if (!System.Security.Cryptography.CAPI.CryptMsgControl(cryptMsgHandle, 0, 8, new IntPtr((void *)&cmsg_ctrl_add_signer_unauth_attr_para)))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
handle4.Dispose();
}
catch (CryptographicException)
{
byte[] buffer2;
if (System.Security.Cryptography.CAPI.EncodeObject(new IntPtr(0x16L), zero, out buffer2))
{
fixed(byte *numRef2 = buffer2)
{
System.Security.Cryptography.CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA cmsg_ctrl_add_signer_unauth_attr_para2 = new System.Security.Cryptography.CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA)))
{
dwSignerIndex = (uint)parentIndex
};
cmsg_ctrl_add_signer_unauth_attr_para2.blob.cbData = (uint)buffer2.Length;
cmsg_ctrl_add_signer_unauth_attr_para2.blob.pbData = new IntPtr((void *)numRef2);
System.Security.Cryptography.CAPI.CryptMsgControl(cryptMsgHandle, 0, 8, new IntPtr((void *)&cmsg_ctrl_add_signer_unauth_attr_para2));
}
}
throw;
}
}
return;
}
childIndex -= (int)crypt_attribute.cValue;
}
zero = new IntPtr(((long)zero) + Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_ATTRIBUTE)));
}
if ((invalidHandle != null) && !invalidHandle.IsInvalid)
{
invalidHandle.Dispose();
}
if ((pvData != null) && !pvData.IsInvalid)
{
pvData.Dispose();
}
throw new CryptographicException(-2146885618);
}