internal static unsafe X509Certificate2 CreateDummyCertificate(CspParameters parameters)
{
System.Security.Cryptography.SafeCertContextHandle invalidHandle = System.Security.Cryptography.SafeCertContextHandle.InvalidHandle;
System.Security.Cryptography.SafeCryptProvHandle hCryptProv = System.Security.Cryptography.SafeCryptProvHandle.InvalidHandle;
uint dwFlags = 0;
if ((parameters.Flags & CspProviderFlags.UseMachineKeyStore) != CspProviderFlags.NoFlags)
{
dwFlags |= 0x20;
}
if ((parameters.Flags & CspProviderFlags.UseDefaultKeyContainer) != CspProviderFlags.NoFlags)
{
dwFlags |= 0xf0000000;
}
if ((parameters.Flags & CspProviderFlags.NoPrompt) != CspProviderFlags.NoFlags)
{
dwFlags |= 0x40;
}
if (!System.Security.Cryptography.CAPI.CryptAcquireContext(ref hCryptProv, parameters.KeyContainerName, parameters.ProviderName, (uint)parameters.ProviderType, dwFlags))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO structure = new System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO {
pwszProvName = parameters.ProviderName,
pwszContainerName = parameters.KeyContainerName,
dwProvType = (uint)parameters.ProviderType,
dwKeySpec = (uint)parameters.KeyNumber,
dwFlags = ((parameters.Flags & CspProviderFlags.UseMachineKeyStore) == CspProviderFlags.UseMachineKeyStore) ? 0x20 : 0
};
System.Security.Cryptography.SafeLocalAllocHandle handle3 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO))));
Marshal.StructureToPtr(structure, handle3.DangerousGetHandle(), false);
System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER crypt_algorithm_identifier = new System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER {
pszObjId = "1.3.14.3.2.29"
};
System.Security.Cryptography.SafeLocalAllocHandle handle4 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER))));
Marshal.StructureToPtr(crypt_algorithm_identifier, handle4.DangerousGetHandle(), false);
X500DistinguishedName name = new X500DistinguishedName("cn=CMS Signer Dummy Certificate");
fixed(byte *numRef = name.RawData)
{
System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB cryptoapi_blob = new System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB {
cbData = (uint)name.RawData.Length,
pbData = new IntPtr((void *)numRef)
};
invalidHandle = System.Security.Cryptography.CAPI.CAPIUnsafe.CertCreateSelfSignCertificate(hCryptProv, new IntPtr((void *)&cryptoapi_blob), 1, handle3.DangerousGetHandle(), handle4.DangerousGetHandle(), IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
}
Marshal.DestroyStructure(handle3.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO));
handle3.Dispose();
Marshal.DestroyStructure(handle4.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER));
handle4.Dispose();
if ((invalidHandle == null) || invalidHandle.IsInvalid)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
X509Certificate2 certificate = new X509Certificate2(invalidHandle.DangerousGetHandle());
invalidHandle.Dispose();
return(certificate);
}
internal static unsafe AlgorithmIdentifier GetAlgorithmIdentifier(System.Security.Cryptography.SafeCryptMsgHandle safeCryptMsgHandle)
{
AlgorithmIdentifier identifier = new AlgorithmIdentifier();
uint num = 0;
if (!System.Security.Cryptography.CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 15, 0, IntPtr.Zero, new IntPtr((void *)&num)))
{
checkErr(Marshal.GetLastWin32Error());
}
if (num > 0)
{
System.Security.Cryptography.SafeLocalAllocHandle pvData = System.Security.Cryptography.CAPI.LocalAlloc(0, new IntPtr((long)num));
if (!System.Security.Cryptography.CAPI.CAPISafe.CryptMsgGetParam(safeCryptMsgHandle, 15, 0, pvData, new IntPtr((void *)&num)))
{
checkErr(Marshal.GetLastWin32Error());
}
System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER algorithmIdentifier = (System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER)Marshal.PtrToStructure(pvData.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER));
identifier = new AlgorithmIdentifier(algorithmIdentifier);
pvData.Dispose();
}
return(identifier);
}
internal AlgorithmIdentifier(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER algorithmIdentifier)
{
int keyLength = 0;
uint cbDecodedValue = 0;
System.Security.Cryptography.SafeLocalAllocHandle invalidHandle = System.Security.Cryptography.SafeLocalAllocHandle.InvalidHandle;
byte[] destination = new byte[0];
uint num3 = System.Security.Cryptography.X509Certificates.X509Utils.OidToAlgId(algorithmIdentifier.pszObjId);
if (num3 == 0x6602)
{
if (algorithmIdentifier.Parameters.cbData > 0)
{
if (!System.Security.Cryptography.CAPI.DecodeObject(new IntPtr(0x29L), algorithmIdentifier.Parameters.pbData, algorithmIdentifier.Parameters.cbData, out invalidHandle, out cbDecodedValue))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
System.Security.Cryptography.CAPI.CRYPT_RC2_CBC_PARAMETERS crypt_rc_cbc_parameters = (System.Security.Cryptography.CAPI.CRYPT_RC2_CBC_PARAMETERS)Marshal.PtrToStructure(invalidHandle.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_RC2_CBC_PARAMETERS));
switch (crypt_rc_cbc_parameters.dwVersion)
{
case 0x34:
keyLength = 0x38;
break;
case 0x3a:
keyLength = 0x80;
break;
case 160:
keyLength = 40;
break;
}
if (crypt_rc_cbc_parameters.fIV)
{
destination = (byte[])crypt_rc_cbc_parameters.rgbIV.Clone();
}
}
}
else if (((num3 == 0x6801) || (num3 == 0x6601)) || (num3 == 0x6603))
{
if (algorithmIdentifier.Parameters.cbData > 0)
{
if (!System.Security.Cryptography.CAPI.DecodeObject(new IntPtr(0x19L), algorithmIdentifier.Parameters.pbData, algorithmIdentifier.Parameters.cbData, out invalidHandle, out cbDecodedValue))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
if (cbDecodedValue > 0)
{
if (num3 == 0x6801)
{
System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB cryptoapi_blob = (System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB)Marshal.PtrToStructure(invalidHandle.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB));
if (cryptoapi_blob.cbData > 0)
{
destination = new byte[cryptoapi_blob.cbData];
Marshal.Copy(cryptoapi_blob.pbData, destination, 0, destination.Length);
}
}
else
{
destination = new byte[cbDecodedValue];
Marshal.Copy(invalidHandle.DangerousGetHandle(), destination, 0, destination.Length);
}
}
}
if (num3 == 0x6801)
{
keyLength = 0x80 - (destination.Length * 8);
}
else if (num3 == 0x6601)
{
keyLength = 0x40;
}
else
{
keyLength = 0xc0;
}
}
else if (algorithmIdentifier.Parameters.cbData > 0)
{
destination = new byte[algorithmIdentifier.Parameters.cbData];
Marshal.Copy(algorithmIdentifier.Parameters.pbData, destination, 0, destination.Length);
}
this.Reset(new System.Security.Cryptography.Oid(algorithmIdentifier.pszObjId), keyLength, destination);
invalidHandle.Dispose();
}
internal CMSG_SIGNER_ENCODE_INFO(int size)
{
this.cbSize = (uint) size;
this.pCertInfo = IntPtr.Zero;
this.hCryptProv = IntPtr.Zero;
this.dwKeySpec = 0;
this.HashAlgorithm = new System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER();
this.pvHashAuxInfo = IntPtr.Zero;
this.cAuthAttr = 0;
this.rgAuthAttr = IntPtr.Zero;
this.cUnauthAttr = 0;
this.rgUnauthAttr = IntPtr.Zero;
this.SignerId = new System.Security.Cryptography.CAPI.CERT_ID();
this.HashEncryptionAlgorithm = new System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER();
this.pvHashEncryptionAuxInfo = IntPtr.Zero;
}
internal CMSG_ENVELOPED_ENCODE_INFO(int size)
{
this.cbSize = (uint) size;
this.hCryptProv = IntPtr.Zero;
this.ContentEncryptionAlgorithm = new System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER();
this.pvEncryptionAuxInfo = IntPtr.Zero;
this.cRecipients = 0;
this.rgpRecipients = IntPtr.Zero;
this.rgCmsRecipients = IntPtr.Zero;
this.cCertEncoded = 0;
this.rgCertEncoded = IntPtr.Zero;
this.cCrlEncoded = 0;
this.rgCrlEncoded = IntPtr.Zero;
this.cAttrCertEncoded = 0;
this.rgAttrCertEncoded = IntPtr.Zero;
this.cUnprotectedAttr = 0;
this.rgUnprotectedAttr = IntPtr.Zero;
}
internal static unsafe X509Certificate2 CreateDummyCertificate(CspParameters parameters)
{
System.Security.Cryptography.SafeCertContextHandle invalidHandle = System.Security.Cryptography.SafeCertContextHandle.InvalidHandle;
System.Security.Cryptography.SafeCryptProvHandle hCryptProv = System.Security.Cryptography.SafeCryptProvHandle.InvalidHandle;
uint dwFlags = 0;
if ((parameters.Flags & CspProviderFlags.UseMachineKeyStore) != CspProviderFlags.NoFlags)
{
dwFlags |= 0x20;
}
if ((parameters.Flags & CspProviderFlags.UseDefaultKeyContainer) != CspProviderFlags.NoFlags)
{
dwFlags |= 0xf0000000;
}
if ((parameters.Flags & CspProviderFlags.NoPrompt) != CspProviderFlags.NoFlags)
{
dwFlags |= 0x40;
}
if (!System.Security.Cryptography.CAPI.CryptAcquireContext(ref hCryptProv, parameters.KeyContainerName, parameters.ProviderName, (uint) parameters.ProviderType, dwFlags))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO structure = new System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO {
pwszProvName = parameters.ProviderName,
pwszContainerName = parameters.KeyContainerName,
dwProvType = (uint) parameters.ProviderType,
dwKeySpec = (uint) parameters.KeyNumber,
dwFlags = ((parameters.Flags & CspProviderFlags.UseMachineKeyStore) == CspProviderFlags.UseMachineKeyStore) ? 0x20 : 0
};
System.Security.Cryptography.SafeLocalAllocHandle handle3 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO))));
Marshal.StructureToPtr(structure, handle3.DangerousGetHandle(), false);
System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER crypt_algorithm_identifier = new System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER {
pszObjId = "1.3.14.3.2.29"
};
System.Security.Cryptography.SafeLocalAllocHandle handle4 = System.Security.Cryptography.CAPI.LocalAlloc(0x40, new IntPtr(Marshal.SizeOf(typeof(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER))));
Marshal.StructureToPtr(crypt_algorithm_identifier, handle4.DangerousGetHandle(), false);
X500DistinguishedName name = new X500DistinguishedName("cn=CMS Signer Dummy Certificate");
fixed (byte* numRef = name.RawData)
{
System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB cryptoapi_blob = new System.Security.Cryptography.CAPI.CRYPTOAPI_BLOB {
cbData = (uint) name.RawData.Length,
pbData = new IntPtr((void*) numRef)
};
invalidHandle = System.Security.Cryptography.CAPI.CAPIUnsafe.CertCreateSelfSignCertificate(hCryptProv, new IntPtr((void*) &cryptoapi_blob), 1, handle3.DangerousGetHandle(), handle4.DangerousGetHandle(), IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
}
Marshal.DestroyStructure(handle3.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_KEY_PROV_INFO));
handle3.Dispose();
Marshal.DestroyStructure(handle4.DangerousGetHandle(), typeof(System.Security.Cryptography.CAPI.CRYPT_ALGORITHM_IDENTIFIER));
handle4.Dispose();
if ((invalidHandle == null) || invalidHandle.IsInvalid)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
X509Certificate2 certificate = new X509Certificate2(invalidHandle.DangerousGetHandle());
invalidHandle.Dispose();
return certificate;
}
