chore: checkpoint before Python removal

vendor/ring/include/ring-core/aes.h

@@ -0,0 +1,34 @@
+// Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef OPENSSL_HEADER_AES_H
+#define OPENSSL_HEADER_AES_H
+
+#include <ring-core/base.h>
+
+// Raw AES functions.
+
+
+// AES_MAXNR is the maximum number of AES rounds.
+#define AES_MAXNR 14
+
+// aes_key_st should be an opaque type, but EVP requires that the size be
+// known.
+struct aes_key_st {
+  uint32_t rd_key[4 * (AES_MAXNR + 1)];
+  unsigned rounds;
+};
+typedef struct aes_key_st AES_KEY;
+
+#endif  // OPENSSL_HEADER_AES_H