BCryptImportKey() [1/4]

static unsafe Internal.NativeCrypto.SafeKeyHandle Interop.BCrypt.BCryptImportKey ( Internal::NativeCrypto::SafeAlgorithmHandle hAlg, ReadOnlySpan< byte > key )

inlinestaticpackage

Definition at line 306 of file Interop.cs.

        {
            int length = key.Length;
            int num = sizeof(BCRYPT_KEY_DATA_BLOB_HEADER) + length;
            byte[] array = new byte[num];
            fixed (byte* ptr = array)
            {
                BCRYPT_KEY_DATA_BLOB_HEADER* ptr2 = (BCRYPT_KEY_DATA_BLOB_HEADER*)ptr;
                ptr2->dwMagic = 1296188491u;
                ptr2->dwVersion = 1u;
                ptr2->cbKeyData = (uint)length;
            }
            key.CopyTo(array.AsSpan(sizeof(BCRYPT_KEY_DATA_BLOB_HEADER)));
            Internal.NativeCrypto.SafeKeyHandle hKey;
            NTSTATUS nTSTATUS = BCryptImportKey(hAlg, IntPtr.Zero, "KeyDataBlob", out hKey, IntPtr.Zero, 0, array, num, 0);
            if (nTSTATUS != 0)
            {
                throw CreateCryptographicException(nTSTATUS);
            }
            return hKey;
        }

References System.array, Interop.BCrypt.BCryptImportKey(), Interop.BCrypt.CreateCryptographicException(), System.key, System.length, and System.IntPtr.Zero.