internal static IntPtr CertEnumCertificatesInStore([In] System.Security.Cryptography.SafeCertStoreHandle hCertStore, [In] IntPtr pPrevCertContext)
{
if (hCertStore == null)
{
throw new ArgumentNullException("hCertStore");
}
if (hCertStore.IsInvalid)
{
throw new CryptographicException(SR.GetString("Cryptography_InvalidHandle"), "hCertStore");
}
if (pPrevCertContext == IntPtr.Zero)
{
new StorePermission(StorePermissionFlags.EnumerateCertificates).Demand();
}
IntPtr pCertContext = CAPIUnsafe.CertEnumCertificatesInStore(hCertStore, pPrevCertContext);
if (pCertContext == IntPtr.Zero)
{
int hr = Marshal.GetLastWin32Error();
if (hr != -2146885628)
{
CAPISafe.CertFreeCertificateContext(pCertContext);
throw new CryptographicException(hr);
}
}
return(pCertContext);
}
internal static System.Security.Cryptography.SafeCertContextHandle CertDuplicateCertificateContext([In] System.Security.Cryptography.SafeCertContextHandle pCertContext)
{
if ((pCertContext != null) && !pCertContext.IsInvalid)
{
return(CAPISafe.CertDuplicateCertificateContext(pCertContext));
}
return(System.Security.Cryptography.SafeCertContextHandle.InvalidHandle);
}
internal static System.Security.Cryptography.SafeCertContextHandle CertDuplicateCertificateContext([In] IntPtr pCertContext)
{
if (pCertContext == IntPtr.Zero)
{
return(System.Security.Cryptography.SafeCertContextHandle.InvalidHandle);
}
return(CAPISafe.CertDuplicateCertificateContext(pCertContext));
}
internal static SafeLocalAllocHandle LocalAlloc(uint uFlags, IntPtr sizetdwBytes)
{
SafeLocalAllocHandle handle = CAPISafe.LocalAlloc(uFlags, sizetdwBytes);
if ((handle == null) || handle.IsInvalid)
{
throw new OutOfMemoryException();
}
return(handle);
}
internal static CAPIBase.CRYPT_OID_INFO CryptFindOIDInfo([In] uint dwKeyType, [In] IntPtr pvKey, [In] System.Security.Cryptography.OidGroup dwGroupId)
{
if (pvKey == IntPtr.Zero)
{
throw new ArgumentNullException("pvKey");
}
CAPIBase.CRYPT_OID_INFO crypt_oid_info = new CAPIBase.CRYPT_OID_INFO(Marshal.SizeOf(typeof(CAPIBase.CRYPT_OID_INFO)));
IntPtr ptr = CAPISafe.CryptFindOIDInfo(dwKeyType, pvKey, dwGroupId);
if (ptr != IntPtr.Zero)
{
crypt_oid_info = (CAPIBase.CRYPT_OID_INFO)Marshal.PtrToStructure(ptr, typeof(CAPIBase.CRYPT_OID_INFO));
}
return(crypt_oid_info);
}
internal static CAPIBase.CRYPT_OID_INFO CryptFindOIDInfo([In] uint dwKeyType, [In] SafeLocalAllocHandle pvKey, [In] System.Security.Cryptography.OidGroup dwGroupId)
{
if (pvKey == null)
{
throw new ArgumentNullException("pvKey");
}
if (pvKey.IsInvalid)
{
throw new CryptographicException(SR.GetString("Cryptography_InvalidHandle"), "pvKey");
}
CAPIBase.CRYPT_OID_INFO crypt_oid_info = new CAPIBase.CRYPT_OID_INFO(Marshal.SizeOf(typeof(CAPIBase.CRYPT_OID_INFO)));
IntPtr ptr = CAPISafe.CryptFindOIDInfo(dwKeyType, pvKey, dwGroupId);
if (ptr != IntPtr.Zero)
{
crypt_oid_info = (CAPIBase.CRYPT_OID_INFO)Marshal.PtrToStructure(ptr, typeof(CAPIBase.CRYPT_OID_INFO));
}
return(crypt_oid_info);
}
internal static unsafe bool EncodeObject(string lpszStructType, IntPtr pvStructInfo, out byte[] encodedData)
{
encodedData = new byte[0];
uint num = 0;
SafeLocalAllocHandle invalidHandle = SafeLocalAllocHandle.InvalidHandle;
if (!CAPISafe.CryptEncodeObject(0x10001, lpszStructType, pvStructInfo, invalidHandle, new IntPtr((void *)&num)))
{
return(false);
}
invalidHandle = LocalAlloc(0, new IntPtr((long)num));
if (!CAPISafe.CryptEncodeObject(0x10001, lpszStructType, pvStructInfo, invalidHandle, new IntPtr((void *)&num)))
{
return(false);
}
encodedData = new byte[num];
Marshal.Copy(invalidHandle.DangerousGetHandle(), encodedData, 0, (int)num);
invalidHandle.Dispose();
return(true);
}
internal static unsafe bool DecodeObject(IntPtr pszStructType, IntPtr pbEncoded, uint cbEncoded, out SafeLocalAllocHandle decodedValue, out uint cbDecodedValue)
{
decodedValue = SafeLocalAllocHandle.InvalidHandle;
cbDecodedValue = 0;
uint num = 0;
SafeLocalAllocHandle invalidHandle = SafeLocalAllocHandle.InvalidHandle;
if (!CAPISafe.CryptDecodeObject(0x10001, pszStructType, pbEncoded, cbEncoded, 0, invalidHandle, new IntPtr((void *)&num)))
{
return(false);
}
invalidHandle = LocalAlloc(0, new IntPtr((long)num));
if (!CAPISafe.CryptDecodeObject(0x10001, pszStructType, pbEncoded, cbEncoded, 0, invalidHandle, new IntPtr((void *)&num)))
{
return(false);
}
decodedValue = invalidHandle;
cbDecodedValue = num;
return(true);
}
internal static unsafe string CryptFormatObject([In] uint dwCertEncodingType, [In] uint dwFormatStrType, [In] string lpszStructType, [In] byte[] rawData)
{
if (rawData == null)
{
throw new ArgumentNullException("rawData");
}
uint num = 0;
SafeLocalAllocHandle invalidHandle = SafeLocalAllocHandle.InvalidHandle;
if (!CAPISafe.CryptFormatObject(dwCertEncodingType, 0, dwFormatStrType, IntPtr.Zero, lpszStructType, rawData, (uint)rawData.Length, invalidHandle, new IntPtr((void *)&num)))
{
return(System.Security.Cryptography.X509Certificates.X509Utils.EncodeHexString(rawData));
}
invalidHandle = LocalAlloc(0, new IntPtr((long)num));
if (!CAPISafe.CryptFormatObject(dwCertEncodingType, 0, dwFormatStrType, IntPtr.Zero, lpszStructType, rawData, (uint)rawData.Length, invalidHandle, new IntPtr((void *)&num)))
{
return(System.Security.Cryptography.X509Certificates.X509Utils.EncodeHexString(rawData));
}
string str = Marshal.PtrToStringUni(invalidHandle.DangerousGetHandle());
invalidHandle.Dispose();
return(str);
}
internal static unsafe string GetCertNameInfo([In] System.Security.Cryptography.SafeCertContextHandle safeCertContext, [In] uint dwFlags, [In] uint dwDisplayType)
{
if (safeCertContext == null)
{
throw new ArgumentNullException("pCertContext");
}
if (safeCertContext.IsInvalid)
{
throw new CryptographicException(SR.GetString("Cryptography_InvalidHandle"), "safeCertContext");
}
uint num = 0x2000003;
SafeLocalAllocHandle invalidHandle = SafeLocalAllocHandle.InvalidHandle;
if (dwDisplayType == 3)
{
invalidHandle = System.Security.Cryptography.X509Certificates.X509Utils.StringToAnsiPtr("2.5.4.3");
}
uint cchNameString = 0;
SafeLocalAllocHandle pszNameString = SafeLocalAllocHandle.InvalidHandle;
cchNameString = CAPISafe.CertGetNameStringW(safeCertContext, dwDisplayType, dwFlags, (dwDisplayType == 3) ? invalidHandle.DangerousGetHandle() : new IntPtr((void *)&num), pszNameString, 0);
if (cchNameString == 0)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
pszNameString = LocalAlloc(0, new IntPtr((long)(2 * cchNameString)));
if (CAPISafe.CertGetNameStringW(safeCertContext, dwDisplayType, dwFlags, (dwDisplayType == 3) ? invalidHandle.DangerousGetHandle() : new IntPtr((void *)&num), pszNameString, cchNameString) == 0)
{
throw new CryptographicException(Marshal.GetLastWin32Error());
}
string str = Marshal.PtrToStringUni(pszNameString.DangerousGetHandle());
pszNameString.Dispose();
invalidHandle.Dispose();
return(str);
}
