internal static string FindOidInfo(uint keyType, string keyValue, System.Security.Cryptography.OidGroup oidGroup)
{
if (keyValue == null)
{
throw new ArgumentNullException("keyValue");
}
if (keyValue.Length == 0)
{
return(null);
}
SafeLocalAllocHandle invalidHandle = SafeLocalAllocHandle.InvalidHandle;
switch (keyType)
{
case 1:
invalidHandle = StringToAnsiPtr(keyValue);
break;
case 2:
invalidHandle = StringToUniPtr(keyValue);
break;
}
CAPIBase.CRYPT_OID_INFO crypt_oid_info = CAPI.CryptFindOIDInfo(keyType, invalidHandle, oidGroup);
if ((crypt_oid_info.pszOID == null) && (oidGroup != System.Security.Cryptography.OidGroup.AllGroups))
{
crypt_oid_info = CAPI.CryptFindOIDInfo(keyType, invalidHandle, System.Security.Cryptography.OidGroup.AllGroups);
}
if (keyType == 1)
{
return(crypt_oid_info.pwszName);
}
return(crypt_oid_info.pszOID);
}
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);
}
