private void Reset(SubjectIdentifierType recipientIdentifierType, X509Certificate2 certificate)
{
if (certificate == null)
{
throw new ArgumentNullException("certificate");
}
switch (recipientIdentifierType)
{
case SubjectIdentifierType.Unknown:
recipientIdentifierType = SubjectIdentifierType.IssuerAndSerialNumber;
goto case 1;
case SubjectIdentifierType.IssuerAndSerialNumber:
this.m_recipientIdentifierType = recipientIdentifierType;
this.m_certificate = certificate;
break;
case SubjectIdentifierType.SubjectKeyIdentifier:
if (!PkcsUtils.CmsSupported())
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Not_Supported"));
}
else
{
goto case 1;
}
default:
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Invalid_Subject_Identifier_Type"), ((object)recipientIdentifierType).ToString());
}
}
internal void Reset(SubjectIdentifierOrKeyType type, object value)
{
switch (type)
{
case SubjectIdentifierOrKeyType.Unknown:
this.m_type = type;
this.m_value = value;
break;
case SubjectIdentifierOrKeyType.IssuerAndSerialNumber:
if (value.GetType() != typeof(X509IssuerSerial))
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Invalid_Subject_Identifier_Type_Value_Mismatch"), value.GetType().ToString());
}
else
{
goto case 0;
}
case SubjectIdentifierOrKeyType.SubjectKeyIdentifier:
if (!PkcsUtils.CmsSupported())
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Not_Supported"));
}
if (value.GetType() != typeof(string))
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Invalid_Subject_Identifier_Type_Value_Mismatch"), value.GetType().ToString());
}
else
{
goto case 0;
}
case SubjectIdentifierOrKeyType.PublicKeyInfo:
if (!PkcsUtils.CmsSupported())
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Not_Supported"));
}
if (value.GetType() != typeof(PublicKeyInfo))
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Invalid_Subject_Identifier_Type_Value_Mismatch"), value.GetType().ToString());
}
else
{
goto case 0;
}
default:
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Invalid_Subject_Identifier_Type"), ((object)type).ToString());
}
}
internal RecipientInfoCollection(SafeCryptMsgHandle safeCryptMsgHandle)
{
bool flag = PkcsUtils.CmsSupported();
uint num1 = 0U;
uint num2 = (uint)Marshal.SizeOf(typeof(uint));
if (flag)
{
if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 33U, 0U, new IntPtr((void *)&num1), new IntPtr((void *)&num2)))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
else if (!CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 17U, 0U, new IntPtr((void *)&num1), new IntPtr((void *)&num2)))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
this.m_recipientInfos = new ArrayList();
for (uint index = 0U; index < num1; ++index)
{
if (flag)
{
SafeLocalAllocHandle pvData;
uint cbData;
PkcsUtils.GetParam(safeCryptMsgHandle, 36U, index, out pvData, out cbData);
CAPI.CMSG_CMS_RECIPIENT_INFO cmsRecipientInfo = (CAPI.CMSG_CMS_RECIPIENT_INFO)Marshal.PtrToStructure(pvData.DangerousGetHandle(), typeof(CAPI.CMSG_CMS_RECIPIENT_INFO));
switch (cmsRecipientInfo.dwRecipientChoice)
{
case 1U:
CAPI.CMSG_KEY_TRANS_RECIPIENT_INFO keyTrans = (CAPI.CMSG_KEY_TRANS_RECIPIENT_INFO)Marshal.PtrToStructure(cmsRecipientInfo.pRecipientInfo, typeof(CAPI.CMSG_KEY_TRANS_RECIPIENT_INFO));
this.m_recipientInfos.Add((object)new KeyTransRecipientInfo(pvData, keyTrans, index));
continue;
case 2U:
CAPI.CMSG_KEY_AGREE_RECIPIENT_INFO agreeRecipientInfo = (CAPI.CMSG_KEY_AGREE_RECIPIENT_INFO)Marshal.PtrToStructure(cmsRecipientInfo.pRecipientInfo, typeof(CAPI.CMSG_KEY_AGREE_RECIPIENT_INFO));
switch (agreeRecipientInfo.dwOriginatorChoice)
{
case 1U:
CAPI.CMSG_KEY_AGREE_CERT_ID_RECIPIENT_INFO certIdRecipient = (CAPI.CMSG_KEY_AGREE_CERT_ID_RECIPIENT_INFO)Marshal.PtrToStructure(cmsRecipientInfo.pRecipientInfo, typeof(CAPI.CMSG_KEY_AGREE_CERT_ID_RECIPIENT_INFO));
for (uint subIndex = 0U; subIndex < certIdRecipient.cRecipientEncryptedKeys; ++subIndex)
{
this.m_recipientInfos.Add((object)new KeyAgreeRecipientInfo(pvData, certIdRecipient, index, subIndex));
}
continue;
case 2U:
CAPI.CMSG_KEY_AGREE_PUBLIC_KEY_RECIPIENT_INFO publicKeyRecipient = (CAPI.CMSG_KEY_AGREE_PUBLIC_KEY_RECIPIENT_INFO)Marshal.PtrToStructure(cmsRecipientInfo.pRecipientInfo, typeof(CAPI.CMSG_KEY_AGREE_PUBLIC_KEY_RECIPIENT_INFO));
for (uint subIndex = 0U; subIndex < publicKeyRecipient.cRecipientEncryptedKeys; ++subIndex)
{
this.m_recipientInfos.Add((object)new KeyAgreeRecipientInfo(pvData, publicKeyRecipient, index, subIndex));
}
continue;
default:
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Cms_Invalid_Originator_Identifier_Choice"), agreeRecipientInfo.dwOriginatorChoice.ToString((IFormatProvider)CultureInfo.CurrentCulture));
}
default:
throw new CryptographicException(-2147483647);
}
}
else
{
SafeLocalAllocHandle pvData;
uint cbData;
PkcsUtils.GetParam(safeCryptMsgHandle, 19U, index, out pvData, out cbData);
CAPI.CERT_INFO certInfo = (CAPI.CERT_INFO)Marshal.PtrToStructure(pvData.DangerousGetHandle(), typeof(CAPI.CERT_INFO));
this.m_recipientInfos.Add((object)new KeyTransRecipientInfo(pvData, certInfo, index));
}
}
this.m_safeCryptMsgHandle = safeCryptMsgHandle;
}
private unsafe void RemoveCounterSignature(int parentIndex, int childIndex)
{
if (parentIndex < 0)
{
throw new ArgumentOutOfRangeException("parentIndex");
}
if (childIndex < 0)
{
throw new ArgumentOutOfRangeException("childIndex");
}
uint cbData1 = 0U;
SafeLocalAllocHandle pvData1 = SafeLocalAllocHandle.InvalidHandle;
uint cbData2 = 0U;
SafeLocalAllocHandle pvData2 = SafeLocalAllocHandle.InvalidHandle;
IntPtr num1 = IntPtr.Zero;
SafeCryptMsgHandle cryptMsgHandle = this.m_signedCms.GetCryptMsgHandle();
uint num2;
if (PkcsUtils.CmsSupported())
{
PkcsUtils.GetParam(cryptMsgHandle, 39U, (uint)parentIndex, out pvData1, out cbData1);
CAPI.CMSG_CMS_SIGNER_INFO cmsgCmsSignerInfo = (CAPI.CMSG_CMS_SIGNER_INFO)Marshal.PtrToStructure(pvData1.DangerousGetHandle(), typeof(CAPI.CMSG_CMS_SIGNER_INFO));
num2 = cmsgCmsSignerInfo.UnauthAttrs.cAttr;
num1 = new IntPtr((long)cmsgCmsSignerInfo.UnauthAttrs.rgAttr);
}
else
{
PkcsUtils.GetParam(cryptMsgHandle, 6U, (uint)parentIndex, out pvData2, out cbData2);
CAPI.CMSG_SIGNER_INFO cmsgSignerInfo = (CAPI.CMSG_SIGNER_INFO)Marshal.PtrToStructure(pvData2.DangerousGetHandle(), typeof(CAPI.CMSG_SIGNER_INFO));
num2 = cmsgSignerInfo.UnauthAttrs.cAttr;
num1 = new IntPtr((long)cmsgSignerInfo.UnauthAttrs.rgAttr);
}
for (uint index = 0U; index < num2; ++index)
{
CAPI.CRYPT_ATTRIBUTE cryptAttribute1 = (CAPI.CRYPT_ATTRIBUTE)Marshal.PtrToStructure(num1, typeof(CAPI.CRYPT_ATTRIBUTE));
if (string.Compare(cryptAttribute1.pszObjId, "1.2.840.113549.1.9.6", StringComparison.OrdinalIgnoreCase) == 0 && cryptAttribute1.cValue > 0U)
{
if (childIndex < (int)cryptAttribute1.cValue)
{
if (!CAPI.CryptMsgControl(cryptMsgHandle, 0U, 9U, new IntPtr((void *)&new CAPI.CMSG_CTRL_DEL_SIGNER_UNAUTH_ATTR_PARA(Marshal.SizeOf(typeof(CAPI.CMSG_CTRL_DEL_SIGNER_UNAUTH_ATTR_PARA)))
{
dwSignerIndex = (uint)parentIndex,
dwUnauthAttrIndex = index
})))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
if (cryptAttribute1.cValue <= 1U)
{
return;
}
try
{
SafeLocalAllocHandle localAllocHandle1 = CAPI.LocalAlloc(64U, new IntPtr((long)(uint)((ulong)(cryptAttribute1.cValue - 1U) * (ulong)Marshal.SizeOf(typeof(CAPI.CRYPTOAPI_BLOB)))));
CAPI.CRYPTOAPI_BLOB *cryptoapiBlobPtr1 = (CAPI.CRYPTOAPI_BLOB *)(void *) cryptAttribute1.rgValue;
CAPI.CRYPTOAPI_BLOB *cryptoapiBlobPtr2 = (CAPI.CRYPTOAPI_BLOB *)(void *) localAllocHandle1.DangerousGetHandle();
int num3 = 0;
while (num3 < (int)cryptAttribute1.cValue)
{
if (num3 != childIndex)
{
*cryptoapiBlobPtr2 = *cryptoapiBlobPtr1;
}
++num3;
++cryptoapiBlobPtr1;
++cryptoapiBlobPtr2;
}
CAPI.CRYPT_ATTRIBUTE cryptAttribute2 = new CAPI.CRYPT_ATTRIBUTE();
cryptAttribute2.pszObjId = cryptAttribute1.pszObjId;
cryptAttribute2.cValue = cryptAttribute1.cValue - 1U;
cryptAttribute2.rgValue = localAllocHandle1.DangerousGetHandle();
SafeLocalAllocHandle localAllocHandle2 = CAPI.LocalAlloc(64U, new IntPtr(Marshal.SizeOf(typeof(CAPI.CRYPT_ATTRIBUTE))));
Marshal.StructureToPtr((object)cryptAttribute2, localAllocHandle2.DangerousGetHandle(), false);
byte[] encodedData;
try
{
if (!CAPI.EncodeObject(new IntPtr(22L), localAllocHandle2.DangerousGetHandle(), out encodedData))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
finally
{
Marshal.DestroyStructure(localAllocHandle2.DangerousGetHandle(), typeof(CAPI.CRYPT_ATTRIBUTE));
localAllocHandle2.Dispose();
}
fixed(byte *numPtr = &encodedData[0])
{
if (!CAPI.CryptMsgControl(cryptMsgHandle, 0U, 8U, new IntPtr((void *)&new CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA(Marshal.SizeOf(typeof(CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA)))
{
dwSignerIndex = (uint)parentIndex,
blob =
{
cbData = (uint)encodedData.Length,
pbData = new IntPtr((void *)numPtr)
}
})))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
localAllocHandle1.Dispose();
return;
}
catch (CryptographicException ex)
{
byte[] encodedData;
if (CAPI.EncodeObject(new IntPtr(22L), num1, out encodedData))
{
fixed(byte *numPtr = &encodedData[0])
CAPI.CryptMsgControl(cryptMsgHandle, 0U, 8U, new IntPtr((void *)&new CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA(Marshal.SizeOf(typeof(CAPI.CMSG_CTRL_ADD_SIGNER_UNAUTH_ATTR_PARA)))
{
dwSignerIndex = (uint)parentIndex,
blob =
{
cbData = (uint)encodedData.Length,
pbData = new IntPtr((void *)numPtr)
}
}));
}
throw;
}
}
else
{
childIndex -= (int)cryptAttribute1.cValue;
}
}
num1 = new IntPtr((long)num1 + (long)Marshal.SizeOf(typeof(CAPI.CRYPT_ATTRIBUTE)));
}
if (pvData1 != null && !pvData1.IsInvalid)
{
pvData1.Dispose();
}
if (pvData2 != null && !pvData2.IsInvalid)
{
pvData2.Dispose();
}
throw new CryptographicException(-2146885618);
}