chore: checkpoint before Python removal

vendor/aws-lc-sys/aws-lc/crypto/poly1305/internal.h

@@ -0,0 +1,37 @@
+// Copyright (c) 2016, Google Inc.
+// SPDX-License-Identifier: ISC
+
+#ifndef OPENSSL_HEADER_POLY1305_INTERNAL_H
+#define OPENSSL_HEADER_POLY1305_INTERNAL_H
+
+#include <openssl/base.h>
+#include <openssl/poly1305.h>
+
+#include "../internal.h"
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+static inline struct poly1305_state_st *poly1305_aligned_state(
+    poly1305_state *state) {
+  return align_pointer(state, 64);
+}
+
+#if defined(OPENSSL_ARM) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_APPLE)
+#define OPENSSL_POLY1305_NEON
+
+void CRYPTO_poly1305_init_neon(poly1305_state *state, const uint8_t key[32]);
+
+void CRYPTO_poly1305_update_neon(poly1305_state *state, const uint8_t *in,
+                                 size_t in_len);
+
+void CRYPTO_poly1305_finish_neon(poly1305_state *state, uint8_t mac[16]);
+#endif
+
+
+#if defined(__cplusplus)
+}  // extern C
+#endif
+
+#endif  // OPENSSL_HEADER_POLY1305_INTERNAL_H