From 354bb40e75d94466e91fe6960523612c9d17ccfb Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 2 Nov 2017 23:11:29 +0300
Subject: Add implementation

---
 mysql/extra/yassl/taocrypt/include/aes.hpp | 155 +++++++++++++++++++++++++++++
 1 file changed, 155 insertions(+)
 create mode 100644 mysql/extra/yassl/taocrypt/include/aes.hpp

(limited to 'mysql/extra/yassl/taocrypt/include/aes.hpp')

diff --git a/mysql/extra/yassl/taocrypt/include/aes.hpp b/mysql/extra/yassl/taocrypt/include/aes.hpp
new file mode 100644
index 0000000..bccf6e7
--- /dev/null
+++ b/mysql/extra/yassl/taocrypt/include/aes.hpp
@@ -0,0 +1,155 @@
+/*
+   Copyright (c) 2000, 2012, 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 as published by
+   the Free Software Foundation; version 2 of the License.
+
+   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 for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+   MA  02110-1301  USA.
+*/
+
+/* aes.hpp defines AES
+*/
+
+
+#ifndef TAO_CRYPT_AES_HPP
+#define TAO_CRYPT_AES_HPP
+
+#include "misc.hpp"
+#include "modes.hpp"
+
+
+#if defined(TAOCRYPT_X86ASM_AVAILABLE) && defined(TAO_ASM)
+    #define DO_AES_ASM
+#endif
+
+
+
+namespace TaoCrypt {
+
+
+enum { AES_BLOCK_SIZE = 16 };
+
+
+// AES encryption and decryption, see FIPS-197
+class AES : public Mode_BASE {
+public:
+    enum { BLOCK_SIZE = AES_BLOCK_SIZE };
+
+    AES(CipherDir DIR, Mode MODE)
+        : Mode_BASE(BLOCK_SIZE, DIR, MODE) {}
+
+#ifdef DO_AES_ASM
+    void Process(byte*, const byte*, word32);
+#endif
+    void SetKey(const byte* key, word32 sz, CipherDir fake = ENCRYPTION);
+    void SetIV(const byte* iv) { memcpy(r_, iv, BLOCK_SIZE); }
+private:
+    static const word32 rcon_[];
+
+    word32      rounds_;
+    word32      key_[60];                        // max size
+
+    static const word32 Te[5][256];
+    static const word32 Td[5][256];
+    static const byte   CTd4[256];
+
+    static const word32* Te0;
+    static const word32* Te1;
+    static const word32* Te2;
+    static const word32* Te3;
+    static const word32* Te4;
+
+    static const word32* Td0;
+    static const word32* Td1;
+    static const word32* Td2;
+    static const word32* Td3;
+    static const word32* Td4;
+
+    void encrypt(const byte*, const byte*, byte*) const;
+    void AsmEncrypt(const byte*, byte*, void*) const;
+    void decrypt(const byte*, const byte*, byte*) const;
+    void AsmDecrypt(const byte*, byte*, void*) const;
+
+    void ProcessAndXorBlock(const byte*, const byte*, byte*) const;
+
+    word32 PreFetchTe() const;
+    word32 PreFetchTd() const;
+    word32 PreFetchCTd4() const;
+
+    AES(const AES&);            // hide copy
+    AES& operator=(const AES&); // and assign
+};
+
+
+#if defined(__x86_64__) || defined(_M_X64) || \
+           (defined(__ILP32__) && (__ILP32__ >= 1))
+    #define TC_CACHE_LINE_SZ 64
+#else
+    /* default cache line size */
+    #define TC_CACHE_LINE_SZ 32
+#endif
+
+inline word32 AES::PreFetchTe() const
+{
+    word32 x = 0;
+
+    /* 4 tables of 256 entries */
+    for (int i = 0; i < 4; i++) {
+        /* each entry is 4 bytes */
+        for (int j = 0; j < 256; j += TC_CACHE_LINE_SZ/4) {
+            x &= Te[i][j];
+        }
+    }
+
+    return x;
+}
+
+
+inline word32 AES::PreFetchTd() const
+{
+    word32 x = 0;
+
+    /* 4 tables of 256 entries */
+    for (int i = 0; i < 4; i++) {
+        /* each entry is 4 bytes */
+        for (int j = 0; j < 256; j += TC_CACHE_LINE_SZ/4) {
+            x &= Td[i][j];
+        }
+    }
+
+    return x;
+}
+
+
+inline word32 AES::PreFetchCTd4() const
+{
+    word32 x = 0;
+    int i;
+
+    for (i = 0; i < 256; i += TC_CACHE_LINE_SZ) {
+        x &= CTd4[i];
+    }
+
+    return x;
+}
+
+
+typedef BlockCipher<ENCRYPTION, AES, ECB> AES_ECB_Encryption;
+typedef BlockCipher<DECRYPTION, AES, ECB> AES_ECB_Decryption;
+
+typedef BlockCipher<ENCRYPTION, AES, CBC> AES_CBC_Encryption;
+typedef BlockCipher<DECRYPTION, AES, CBC> AES_CBC_Decryption;
+
+
+} // naemspace
+
+#endif // TAO_CRYPT_AES_HPP
-- 
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