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diff --git a/contrib/libs/libmysql_r/include/my_aes.h b/contrib/libs/libmysql_r/include/my_aes.h
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+#ifndef MY_AES_INCLUDED
+#define MY_AES_INCLUDED
+
+/* Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License, version 2.0,
+ as published by the Free Software Foundation.
+
+ This program is also distributed with certain software (including
+ but not limited to OpenSSL) that is licensed under separate terms,
+ as designated in a particular file or component or in included license
+ documentation.  The authors of MySQL hereby grant you an additional
+ permission to link the program and your derivative works with the
+ separately licensed software that they have included with MySQL.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License, version 2.0, for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
+
+/**
+  @file include/my_aes.h
+  Wrapper to give simple interface for MySQL to AES standard encryption.
+*/
+
+#include "my_inttypes.h"
+#include "my_macros.h"
+
+/** AES IV size is 16 bytes for all supported ciphers except ECB */
+#define MY_AES_IV_SIZE 16
+
+/** AES block size is fixed to be 128 bits for CBC and ECB */
+#define MY_AES_BLOCK_SIZE 16
+
+/** Supported AES cipher/block mode combos */
+enum my_aes_opmode {
+  my_aes_128_ecb,
+  my_aes_192_ecb,
+  my_aes_256_ecb,
+  my_aes_128_cbc,
+  my_aes_192_cbc,
+  my_aes_256_cbc
+#ifndef HAVE_WOLFSSL
+  ,
+  my_aes_128_cfb1,
+  my_aes_192_cfb1,
+  my_aes_256_cfb1,
+  my_aes_128_cfb8,
+  my_aes_192_cfb8,
+  my_aes_256_cfb8,
+  my_aes_128_cfb128,
+  my_aes_192_cfb128,
+  my_aes_256_cfb128,
+  my_aes_128_ofb,
+  my_aes_192_ofb,
+  my_aes_256_ofb
+#endif
+};
+
+#define MY_AES_BEGIN my_aes_128_ecb
+#ifdef HAVE_WOLFSSL
+#define MY_AES_END my_aes_256_cbc
+#else
+#define MY_AES_END my_aes_256_ofb
+#endif
+
+/* If bad data discovered during decoding */
+#define MY_AES_BAD_DATA -1
+
+/** String representations of the supported AES modes. Keep in sync with
+ * my_aes_opmode */
+extern const char *my_aes_opmode_names[];
+
+/**
+  Encrypt a buffer using AES
+
+  @param [in] source           Pointer to data for encryption
+  @param [in] source_length    Size of encryption data
+  @param [out] dest            Buffer to place encrypted data (must be large
+  enough)
+  @param [in] key              Key to be used for encryption
+  @param [in] key_length       Length of the key. Will handle keys of any length
+  @param [in] mode             encryption mode
+  @param [in] iv               16 bytes initialization vector if needed.
+  Otherwise NULL
+  @param [in] padding          if padding needed.
+  @return              size of encrypted data, or negative in case of error
+*/
+
+int my_aes_encrypt(const unsigned char *source, uint32 source_length,
+                   unsigned char *dest, const unsigned char *key,
+                   uint32 key_length, enum my_aes_opmode mode,
+                   const unsigned char *iv, bool padding = true);
+
+/**
+  Decrypt an AES encrypted buffer
+
+  @param source         Pointer to data for decryption
+  @param source_length  size of encrypted data
+  @param dest           buffer to place decrypted data (must be large enough)
+  @param key            Key to be used for decryption
+  @param key_length     Length of the key. Will handle keys of any length
+  @param mode           encryption mode
+  @param iv             16 bytes initialization vector if needed. Otherwise NULL
+  @param padding        if padding needed.
+  @return size of original data.
+*/
+
+int my_aes_decrypt(const unsigned char *source, uint32 source_length,
+                   unsigned char *dest, const unsigned char *key,
+                   uint32 key_length, enum my_aes_opmode mode,
+                   const unsigned char *iv, bool padding = true);
+
+/**
+  Calculate the size of a buffer large enough for encrypted data.
+
+  @param source_length  length of data to be encrypted
+  @param opmode         encryption mode
+  @return               size of buffer required to store encrypted data
+*/
+
+int my_aes_get_size(uint32 source_length, enum my_aes_opmode opmode);
+
+/**
+  Return true if the AES cipher and block mode requires an IV.
+
+  @param opmode           encryption mode
+
+  @retval true   IV needed
+  @retval false  IV not needed
+*/
+
+bool my_aes_needs_iv(my_aes_opmode opmode);
+
+#endif /* MY_AES_INCLUDED */