chore: checkpoint before Python removal

vendor/aws-lc-sys/aws-lc/include/openssl/md5.h

@@ -0,0 +1,56 @@
+// Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) All rights reserved.
+// SPDX-License-Identifier: Apache-2.0
+
+#ifndef OPENSSL_HEADER_MD5_H
+#define OPENSSL_HEADER_MD5_H
+
+#include <openssl/base.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+// MD5.
+
+
+// MD5_CBLOCK is the block size of MD5.
+#define MD5_CBLOCK 64
+
+// MD5_DIGEST_LENGTH is the length of an MD5 digest.
+#define MD5_DIGEST_LENGTH 16
+
+// MD5_Init initialises |md5| and returns one.
+OPENSSL_EXPORT int MD5_Init(MD5_CTX *md5);
+
+// MD5_Update adds |len| bytes from |data| to |md5| and returns one.
+OPENSSL_EXPORT int MD5_Update(MD5_CTX *md5, const void *data, size_t len);
+
+// MD5_Final adds the final padding to |md5| and writes the resulting digest to
+// |out|, which must have at least |MD5_DIGEST_LENGTH| bytes of space. It
+// returns one.
+OPENSSL_EXPORT int MD5_Final(uint8_t out[MD5_DIGEST_LENGTH], MD5_CTX *md5);
+
+// MD5 writes the digest of |len| bytes from |data| to |out| and returns |out|.
+// There must be at least |MD5_DIGEST_LENGTH| bytes of space in |out|.
+OPENSSL_EXPORT uint8_t *MD5(const uint8_t *data, size_t len,
+                            uint8_t out[MD5_DIGEST_LENGTH]);
+
+// MD5_Transform is a low-level function that performs a single, MD5 block
+// transformation using the state from |md5| and 64 bytes from |block|.
+OPENSSL_EXPORT void MD5_Transform(MD5_CTX *md5,
+                                  const uint8_t block[MD5_CBLOCK]);
+
+struct md5_state_st {
+  uint32_t h[4];
+  uint32_t Nl, Nh;
+  uint8_t data[MD5_CBLOCK];
+  unsigned num;
+};
+
+
+#if defined(__cplusplus)
+}  // extern C
+#endif
+
+#endif  // OPENSSL_HEADER_MD5_H