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));
}
private static void DisplayX509Certificate(System.Security.Cryptography.SafeCertContextHandle safeCertContext, IntPtr hwndParent)
{
System.Security.Cryptography.CAPI.CRYPTUI_VIEWCERTIFICATE_STRUCTW cryptui_viewcertificate_structw;
if (safeCertContext.IsInvalid)
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_InvalidHandle"), "safeCertContext");
}
int num = 0;
cryptui_viewcertificate_structw = new System.Security.Cryptography.CAPI.CRYPTUI_VIEWCERTIFICATE_STRUCTW {
dwSize = Marshal.SizeOf(cryptui_viewcertificate_structw),
hwndParent = hwndParent,
dwFlags = 0,
szTitle = null,
pCertContext = safeCertContext.DangerousGetHandle(),
rgszPurposes = IntPtr.Zero,
cPurposes = 0,
pCryptProviderData = IntPtr.Zero,
fpCryptProviderDataTrustedUsage = false,
idxSigner = 0,
idxCert = 0,
fCounterSigner = false,
idxCounterSigner = 0,
cStores = 0,
rghStores = IntPtr.Zero,
cPropSheetPages = 0,
rgPropSheetPages = IntPtr.Zero,
nStartPage = 0
};
if (!System.Security.Cryptography.CAPI.CryptUIDlgViewCertificateW(cryptui_viewcertificate_structw, IntPtr.Zero))
{
num = Marshal.GetLastWin32Error();
}
if ((num != 0) && (num != 0x4c7))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
internal CryptographicAttributeObjectCollection(System.Security.Cryptography.SafeLocalAllocHandle pCryptAttributes) : this(pCryptAttributes.DangerousGetHandle())
{
}
private static void RemoveCertificateFromStore(System.Security.Cryptography.SafeCertStoreHandle safeCertStoreHandle, System.Security.Cryptography.SafeCertContextHandle safeCertContext)
{
if ((safeCertContext != null) && !safeCertContext.IsInvalid)
{
if (((safeCertStoreHandle == null) || safeCertStoreHandle.IsInvalid) || safeCertStoreHandle.IsClosed)
{
throw new CryptographicException(SR.GetString("Cryptography_X509_StoreNotOpen"));
}
System.Security.Cryptography.SafeCertContextHandle handle = CAPI.CertFindCertificateInStore(safeCertStoreHandle, 0x10001, 0, 0xd0000, safeCertContext.DangerousGetHandle(), System.Security.Cryptography.SafeCertContextHandle.InvalidHandle);
if ((handle != null) && !handle.IsInvalid)
{
GC.SuppressFinalize(handle);
if (!CAPI.CertDeleteCertificateFromStore(handle))
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
}
}
}
private static unsafe uint GetVersion(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle)
{
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT*) safeCertContextHandle.DangerousGetHandle());
CAPIBase.CERT_INFO cert_info = (CAPIBase.CERT_INFO) Marshal.PtrToStructure(cert_context.pCertInfo, typeof(CAPIBase.CERT_INFO));
return (cert_info.dwVersion + 1);
}
private static unsafe Oid GetSignatureAlgorithm(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle)
{
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT*) safeCertContextHandle.DangerousGetHandle());
CAPIBase.CERT_INFO cert_info = (CAPIBase.CERT_INFO) Marshal.PtrToStructure(cert_context.pCertInfo, typeof(CAPIBase.CERT_INFO));
return new Oid(cert_info.SignatureAlgorithm.pszObjId, System.Security.Cryptography.OidGroup.SignatureAlgorithm, false);
}
private static unsafe System.Security.Cryptography.SafeCertStoreHandle SelectFromStore(System.Security.Cryptography.SafeCertStoreHandle safeSourceStoreHandle, string title, string message, X509SelectionFlag selectionFlags, IntPtr hwndParent)
{
int num = 0;
System.Security.Cryptography.SafeCertStoreHandle hCertStore = System.Security.Cryptography.CAPI.CertOpenStore((IntPtr) 2L, 0x10001, IntPtr.Zero, 0, null);
if ((hCertStore == null) || hCertStore.IsInvalid)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
System.Security.Cryptography.CAPI.CRYPTUI_SELECTCERTIFICATE_STRUCTW csc = new System.Security.Cryptography.CAPI.CRYPTUI_SELECTCERTIFICATE_STRUCTW {
dwSize = (uint) ((int) Marshal.OffsetOf(typeof(System.Security.Cryptography.CAPI.CRYPTUI_SELECTCERTIFICATE_STRUCTW), "hSelectedCertStore")),
hwndParent = hwndParent,
dwFlags = (uint) selectionFlags,
szTitle = title,
dwDontUseColumn = 0,
szDisplayString = message,
pFilterCallback = IntPtr.Zero,
pDisplayCallback = IntPtr.Zero,
pvCallbackData = IntPtr.Zero,
cDisplayStores = 1
};
IntPtr handle = safeSourceStoreHandle.DangerousGetHandle();
csc.rghDisplayStores = new IntPtr((void*) &handle);
csc.cStores = 0;
csc.rghStores = IntPtr.Zero;
csc.cPropSheetPages = 0;
csc.rgPropSheetPages = IntPtr.Zero;
csc.hSelectedCertStore = hCertStore.DangerousGetHandle();
System.Security.Cryptography.SafeCertContextHandle pCertContext = System.Security.Cryptography.CAPI.CryptUIDlgSelectCertificateW(csc);
if ((pCertContext != null) && !pCertContext.IsInvalid)
{
System.Security.Cryptography.SafeCertContextHandle invalidHandle = System.Security.Cryptography.SafeCertContextHandle.InvalidHandle;
if (!System.Security.Cryptography.CAPI.CertAddCertificateContextToStore(hCertStore, pCertContext, 7, invalidHandle))
{
num = Marshal.GetLastWin32Error();
}
}
if (num != 0)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
return hCertStore;
}
private static unsafe int FindTemplateNameCallback(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle, object pvCallbackData)
{
IntPtr zero = IntPtr.Zero;
IntPtr ptr = IntPtr.Zero;
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT*) safeCertContextHandle.DangerousGetHandle());
CAPIBase.CERT_INFO cert_info = (CAPIBase.CERT_INFO) Marshal.PtrToStructure(cert_context.pCertInfo, typeof(CAPIBase.CERT_INFO));
zero = CAPISafe.CertFindExtension("1.3.6.1.4.1.311.20.2", cert_info.cExtension, cert_info.rgExtension);
ptr = CAPISafe.CertFindExtension("1.3.6.1.4.1.311.21.7", cert_info.cExtension, cert_info.rgExtension);
if ((zero != IntPtr.Zero) || (ptr != IntPtr.Zero))
{
if (zero != IntPtr.Zero)
{
CAPIBase.CERT_EXTENSION cert_extension = (CAPIBase.CERT_EXTENSION) Marshal.PtrToStructure(zero, typeof(CAPIBase.CERT_EXTENSION));
byte[] destination = new byte[cert_extension.Value.cbData];
Marshal.Copy(cert_extension.Value.pbData, destination, 0, destination.Length);
uint cbDecodedValue = 0;
SafeLocalAllocHandle decodedValue = null;
if (CAPI.DecodeObject(new IntPtr(0x18L), destination, out decodedValue, out cbDecodedValue))
{
CAPIBase.CERT_NAME_VALUE cert_name_value = (CAPIBase.CERT_NAME_VALUE) Marshal.PtrToStructure(decodedValue.DangerousGetHandle(), typeof(CAPIBase.CERT_NAME_VALUE));
if (string.Compare(Marshal.PtrToStringUni(cert_name_value.Value.pbData), (string) pvCallbackData, StringComparison.OrdinalIgnoreCase) == 0)
{
return 0;
}
}
}
if (ptr != IntPtr.Zero)
{
CAPIBase.CERT_EXTENSION cert_extension2 = (CAPIBase.CERT_EXTENSION) Marshal.PtrToStructure(ptr, typeof(CAPIBase.CERT_EXTENSION));
byte[] buffer2 = new byte[cert_extension2.Value.cbData];
Marshal.Copy(cert_extension2.Value.pbData, buffer2, 0, buffer2.Length);
uint num2 = 0;
SafeLocalAllocHandle handle2 = null;
if (CAPI.DecodeObject(new IntPtr(0x40L), buffer2, out handle2, out num2))
{
CAPIBase.CERT_TEMPLATE_EXT cert_template_ext = (CAPIBase.CERT_TEMPLATE_EXT) Marshal.PtrToStructure(handle2.DangerousGetHandle(), typeof(CAPIBase.CERT_TEMPLATE_EXT));
string strB = System.Security.Cryptography.X509Certificates.X509Utils.FindOidInfo(2, (string) pvCallbackData, System.Security.Cryptography.OidGroup.Template);
if (strB == null)
{
strB = (string) pvCallbackData;
}
if (string.Compare(cert_template_ext.pszObjId, strB, StringComparison.OrdinalIgnoreCase) == 0)
{
return 0;
}
}
}
}
return 1;
}
private static unsafe int FindTimeValidCallback(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle, object pvCallbackData)
{
System.Runtime.InteropServices.ComTypes.FILETIME pTimeToVerify = (System.Runtime.InteropServices.ComTypes.FILETIME) pvCallbackData;
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT*) safeCertContextHandle.DangerousGetHandle());
if (CAPISafe.CertVerifyTimeValidity(ref pTimeToVerify, cert_context.pCertInfo) == 0)
{
return 0;
}
return 1;
}
private static unsafe int FindSerialNumberCallback(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle, object pvCallbackData)
{
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT*) safeCertContextHandle.DangerousGetHandle());
CAPIBase.CERT_INFO cert_info = (CAPIBase.CERT_INFO) Marshal.PtrToStructure(cert_context.pCertInfo, typeof(CAPIBase.CERT_INFO));
byte[] destination = new byte[cert_info.SerialNumber.cbData];
Marshal.Copy(cert_info.SerialNumber.pbData, destination, 0, destination.Length);
int hexArraySize = System.Security.Cryptography.X509Certificates.X509Utils.GetHexArraySize(destination);
byte[] buffer2 = (byte[]) pvCallbackData;
if (buffer2.Length != hexArraySize)
{
return 1;
}
for (int i = 0; i < buffer2.Length; i++)
{
if (buffer2[i] != destination[i])
{
return 1;
}
}
return 0;
}
private static unsafe int FindKeyUsageCallback(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle, object pvCallbackData)
{
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT*) safeCertContextHandle.DangerousGetHandle());
uint num = 0;
if (!CAPISafe.CertGetIntendedKeyUsage(0x10001, cert_context.pCertInfo, new IntPtr((void*) &num), 4))
{
return 0;
}
uint num2 = Convert.ToUInt32(pvCallbackData, null);
if ((num & num2) == num2)
{
return 0;
}
return 1;
}
private static unsafe int FindExtensionCallback(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle, object pvCallbackData)
{
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT*) safeCertContextHandle.DangerousGetHandle());
CAPIBase.CERT_INFO cert_info = (CAPIBase.CERT_INFO) Marshal.PtrToStructure(cert_context.pCertInfo, typeof(CAPIBase.CERT_INFO));
if (CAPISafe.CertFindExtension((string) pvCallbackData, cert_info.cExtension, cert_info.rgExtension) == IntPtr.Zero)
{
return 1;
}
return 0;
}
private static unsafe int FindCertificatePolicyCallback(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle, object pvCallbackData)
{
string strA = (string) pvCallbackData;
if (strA.Length != 0)
{
CAPIBase.CERT_CONTEXT cert_context = *((CAPIBase.CERT_CONTEXT*) safeCertContextHandle.DangerousGetHandle());
CAPIBase.CERT_INFO cert_info = (CAPIBase.CERT_INFO) Marshal.PtrToStructure(cert_context.pCertInfo, typeof(CAPIBase.CERT_INFO));
IntPtr ptr = CAPISafe.CertFindExtension("2.5.29.32", cert_info.cExtension, cert_info.rgExtension);
if (ptr == IntPtr.Zero)
{
return 1;
}
CAPIBase.CERT_EXTENSION cert_extension = (CAPIBase.CERT_EXTENSION) Marshal.PtrToStructure(ptr, typeof(CAPIBase.CERT_EXTENSION));
byte[] destination = new byte[cert_extension.Value.cbData];
Marshal.Copy(cert_extension.Value.pbData, destination, 0, destination.Length);
uint cbDecodedValue = 0;
SafeLocalAllocHandle decodedValue = null;
if (CAPI.DecodeObject(new IntPtr(0x10L), destination, out decodedValue, out cbDecodedValue))
{
CAPIBase.CERT_POLICIES_INFO cert_policies_info = (CAPIBase.CERT_POLICIES_INFO) Marshal.PtrToStructure(decodedValue.DangerousGetHandle(), typeof(CAPIBase.CERT_POLICIES_INFO));
for (int i = 0; i < cert_policies_info.cPolicyInfo; i++)
{
IntPtr ptr2 = new IntPtr(((long) cert_policies_info.rgPolicyInfo) + (i * Marshal.SizeOf(typeof(CAPIBase.CERT_POLICY_INFO))));
CAPIBase.CERT_POLICY_INFO cert_policy_info = (CAPIBase.CERT_POLICY_INFO) Marshal.PtrToStructure(ptr2, typeof(CAPIBase.CERT_POLICY_INFO));
if (string.Compare(strA, cert_policy_info.pszPolicyIdentifier, StringComparison.OrdinalIgnoreCase) == 0)
{
return 0;
}
}
}
}
return 1;
}
private static unsafe int FindApplicationPolicyCallback(System.Security.Cryptography.SafeCertContextHandle safeCertContextHandle, object pvCallbackData)
{
string strA = (string) pvCallbackData;
if (strA.Length != 0)
{
IntPtr ptr = safeCertContextHandle.DangerousGetHandle();
int num = 0;
uint num2 = 0;
SafeLocalAllocHandle invalidHandle = SafeLocalAllocHandle.InvalidHandle;
if (!CAPISafe.CertGetValidUsages(1, new IntPtr((void*) &ptr), new IntPtr((void*) &num), invalidHandle, new IntPtr((void*) &num2)))
{
return 1;
}
invalidHandle = CAPI.LocalAlloc(0, new IntPtr((long) num2));
if (!CAPISafe.CertGetValidUsages(1, new IntPtr((void*) &ptr), new IntPtr((void*) &num), invalidHandle, new IntPtr((void*) &num2)))
{
return 1;
}
if (num == -1)
{
return 0;
}
for (int i = 0; i < num; i++)
{
string strB = Marshal.PtrToStringAnsi(Marshal.ReadIntPtr(new IntPtr(((long) invalidHandle.DangerousGetHandle()) + (i * Marshal.SizeOf(typeof(IntPtr))))));
if (string.Compare(strA, strB, StringComparison.OrdinalIgnoreCase) == 0)
{
return 0;
}
}
}
return 1;
}
