diff options
Diffstat (limited to 'plugins/Dbx_tree/encryption/CAST128/src/CAST128.cpp')
| -rw-r--r-- | plugins/Dbx_tree/encryption/CAST128/src/CAST128.cpp | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/plugins/Dbx_tree/encryption/CAST128/src/CAST128.cpp b/plugins/Dbx_tree/encryption/CAST128/src/CAST128.cpp deleted file mode 100644 index 2814a4142b..0000000000 --- a/plugins/Dbx_tree/encryption/CAST128/src/CAST128.cpp +++ /dev/null @@ -1,260 +0,0 @@ -/*
-
-dbx_tree: tree database driver for Miranda IM
-
-Copyright 2007-2008 Michael "Protogenes" Kunz,
-
-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; either version 2
-of the License, or (at your option) any later version.
-
-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; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-
-#include "CAST128.h"
-#include "CAST128.inc"
-
-const wchar_t * CAST128::Name()
-{
- return cName;
-}
-const wchar_t * CAST128::Description()
-{
- return cDescription;
-}
-const uint32_t CAST128::BlockSizeBytes()
-{
- return cBlockSizeBytes;
-}
-const bool CAST128::IsStreamCipher()
-{
- return cIsStreamCipher;
-}
-
-CAST128::CAST128()
-{
-
-}
-CAST128::~CAST128()
-{
-
-}
-CCipher::TCipherInterface* CAST128::Create()
-{
- return (new CAST128())->m_Interface;
-}
-
-void CAST128::SetKey(void* Key, uint32_t KeyLength)
-{
- uint8_t k128[16] = "Mirandadbx_tree";
- int i = 0;
- uint8_t* k = (uint8_t*) Key;
- while (KeyLength > 0)
- {
- k128[i] = k128[i] ^ (*k);
- i = (i + 1) % 16;
- ++k;
- --KeyLength;
- }
- CreateSubKeys(k128);
-}
-void CAST128::Encrypt(void* Data, uint32_t Size, uint32_t Nonce, uint32_t StartByte)
-{
- for (uint32_t i = 0; i <= Size - BlockSizeBytes(); i += BlockSizeBytes())
- {
- EncryptBlock((uint8_t*)Data + i);
- StartByte += BlockSizeBytes();
- }
-}
-void CAST128::Decrypt(void* Data, uint32_t Size, uint32_t Nonce, uint32_t StartByte)
-{
- for (uint32_t i = 0; i <= Size - BlockSizeBytes(); i += BlockSizeBytes())
- {
- DecryptBlock((uint8_t*)Data + i);
- StartByte += BlockSizeBytes();
- }
-}
-
-void CAST128::CreateSubKeys(uint8_t* Key)
-{
- union {
- uint8_t z[16];
- uint32_t i[4];
- } t;
-
- uint32_t* k;
- k = (uint32_t*) Key;
-
- t.i[0] = k[0] ^ S5[Key[0xD]] ^ S6[Key[0xF]] ^ S7[Key[0xC]] ^ S8[Key[0xE]] ^ S7[Key[0x8]];
- t.i[1] = k[2] ^ S5[t.z[0x0]] ^ S6[t.z[0x2]] ^ S7[t.z[0x1]] ^ S8[t.z[0x3]] ^ S8[Key[0xA]];
- t.i[2] = k[3] ^ S5[t.z[0x7]] ^ S6[t.z[0x6]] ^ S7[t.z[0x5]] ^ S8[t.z[0x4]] ^ S5[Key[0x9]];
- t.i[3] = k[1] ^ S5[t.z[0xA]] ^ S6[t.z[0x9]] ^ S7[t.z[0xB]] ^ S8[t.z[0x8]] ^ S6[Key[0xB]];
-
- Km[0x0] = S5[t.z[0x8]] ^ S6[t.z[0x9]] ^ S7[t.z[0x7]] ^ S8[t.z[0x6]] ^ S5[t.z[0x2]];
- Km[0x1] = S5[t.z[0xA]] ^ S6[t.z[0xB]] ^ S7[t.z[0x5]] ^ S8[t.z[0x4]] ^ S6[t.z[0x6]];
- Km[0x2] = S5[t.z[0xC]] ^ S6[t.z[0xD]] ^ S7[t.z[0x3]] ^ S8[t.z[0x2]] ^ S7[t.z[0x9]];
- Km[0x3] = S5[t.z[0xE]] ^ S6[t.z[0xF]] ^ S7[t.z[0x1]] ^ S8[t.z[0x0]] ^ S8[t.z[0xC]];
-
- k[0] = t.i[2] ^ S5[t.z[0x5]] ^ S6[t.z[0x7]] ^ S7[t.z[0x4]] ^ S8[t.z[0x6]] ^ S7[t.z[0x0]];
- k[1] = t.i[0] ^ S5[Key[0x0]] ^ S6[Key[0x2]] ^ S7[Key[0x1]] ^ S8[Key[0x3]] ^ S8[t.z[0x2]];
- k[2] = t.i[1] ^ S5[Key[0x7]] ^ S6[Key[0x6]] ^ S7[Key[0x5]] ^ S8[Key[0x4]] ^ S5[t.z[0x1]];
- k[3] = t.i[3] ^ S5[Key[0xA]] ^ S6[Key[0x9]] ^ S7[Key[0xB]] ^ S8[Key[0x8]] ^ S6[t.z[0x3]];
-
- Km[0x4] = S5[Key[0x3]] ^ S6[Key[0x2]] ^ S7[Key[0xC]] ^ S8[Key[0xD]] ^ S5[Key[0x8]];
- Km[0x5] = S5[Key[0x1]] ^ S6[Key[0x0]] ^ S7[Key[0xE]] ^ S8[Key[0xF]] ^ S6[Key[0xD]];
- Km[0x6] = S5[Key[0x7]] ^ S6[Key[0x6]] ^ S7[Key[0x8]] ^ S8[Key[0x9]] ^ S7[Key[0x3]];
- Km[0x7] = S5[Key[0x5]] ^ S6[Key[0x4]] ^ S7[Key[0xA]] ^ S8[Key[0xB]] ^ S8[Key[0x7]];
-
- t.i[0] = k[0] ^ S5[Key[0xD]] ^ S6[Key[0xF]] ^ S7[Key[0xC]] ^ S8[Key[0xE]] ^ S7[Key[0x8]];
- t.i[1] = k[2] ^ S5[t.z[0x0]] ^ S6[t.z[0x2]] ^ S7[t.z[0x1]] ^ S8[t.z[0x3]] ^ S8[Key[0xA]];
- t.i[2] = k[3] ^ S5[t.z[0x7]] ^ S6[t.z[0x6]] ^ S7[t.z[0x5]] ^ S8[t.z[0x4]] ^ S5[Key[0x9]];
- t.i[3] = k[1] ^ S5[t.z[0xA]] ^ S6[t.z[0x9]] ^ S7[t.z[0xB]] ^ S8[t.z[0x8]] ^ S6[Key[0xB]];
-
- Km[0x8] = S5[t.z[0x3]] ^ S6[t.z[0x2]] ^ S7[t.z[0xC]] ^ S8[t.z[0xD]] ^ S5[t.z[0x9]];
- Km[0x9] = S5[t.z[0x1]] ^ S6[t.z[0x0]] ^ S7[t.z[0xE]] ^ S8[t.z[0xF]] ^ S6[t.z[0xC]];
- Km[0xa] = S5[t.z[0x7]] ^ S6[t.z[0x6]] ^ S7[t.z[0x8]] ^ S8[t.z[0x9]] ^ S7[t.z[0x2]];
- Km[0xb] = S5[t.z[0x5]] ^ S6[t.z[0x4]] ^ S7[t.z[0xA]] ^ S8[t.z[0xB]] ^ S8[t.z[0x6]];
-
- k[0] = t.i[2] ^ S5[t.z[0x5]] ^ S6[t.z[0x7]] ^ S7[t.z[0x4]] ^ S8[t.z[0x6]] ^ S7[t.z[0x0]];
- k[1] = t.i[0] ^ S5[Key[0x0]] ^ S6[Key[0x2]] ^ S7[Key[0x1]] ^ S8[Key[0x3]] ^ S8[t.z[0x2]];
- k[2] = t.i[1] ^ S5[Key[0x7]] ^ S6[Key[0x6]] ^ S7[Key[0x5]] ^ S8[Key[0x4]] ^ S5[t.z[0x1]];
- k[3] = t.i[3] ^ S5[Key[0xA]] ^ S6[Key[0x9]] ^ S7[Key[0xB]] ^ S8[Key[0x8]] ^ S6[t.z[0x3]];
-
- Km[0xc] = S5[Key[0x8]] ^ S6[Key[0x9]] ^ S7[Key[0x7]] ^ S8[Key[0x6]] ^ S5[Key[0x3]];
- Km[0xd] = S5[Key[0xA]] ^ S6[Key[0xB]] ^ S7[Key[0x5]] ^ S8[Key[0x4]] ^ S6[Key[0x7]];
- Km[0xe] = S5[Key[0xC]] ^ S6[Key[0xD]] ^ S7[Key[0x3]] ^ S8[Key[0x2]] ^ S7[Key[0x8]];
- Km[0xf] = S5[Key[0xE]] ^ S6[Key[0xF]] ^ S7[Key[0x1]] ^ S8[Key[0x0]] ^ S8[Key[0xD]];
-
-
-
- t.i[0] = k[0] ^ S5[Key[0xD]] ^ S6[Key[0xF]] ^ S7[Key[0xC]] ^ S8[Key[0xE]] ^ S7[Key[0x8]];
- t.i[1] = k[2] ^ S5[t.z[0x0]] ^ S6[t.z[0x2]] ^ S7[t.z[0x1]] ^ S8[t.z[0x3]] ^ S8[Key[0xA]];
- t.i[2] = k[3] ^ S5[t.z[0x7]] ^ S6[t.z[0x6]] ^ S7[t.z[0x5]] ^ S8[t.z[0x4]] ^ S5[Key[0x9]];
- t.i[3] = k[1] ^ S5[t.z[0xA]] ^ S6[t.z[0x9]] ^ S7[t.z[0xB]] ^ S8[t.z[0x8]] ^ S6[Key[0xB]];
-
- Kr[0x0] = S5[t.z[0x8]] ^ S6[t.z[0x9]] ^ S7[t.z[0x7]] ^ S8[t.z[0x6]] ^ S5[t.z[0x2]];
- Kr[0x1] = S5[t.z[0xA]] ^ S6[t.z[0xB]] ^ S7[t.z[0x5]] ^ S8[t.z[0x4]] ^ S6[t.z[0x6]];
- Kr[0x2] = S5[t.z[0xC]] ^ S6[t.z[0xD]] ^ S7[t.z[0x3]] ^ S8[t.z[0x2]] ^ S7[t.z[0x9]];
- Kr[0x3] = S5[t.z[0xE]] ^ S6[t.z[0xF]] ^ S7[t.z[0x1]] ^ S8[t.z[0x0]] ^ S8[t.z[0xC]];
-
- k[0] = t.i[2] ^ S5[t.z[0x5]] ^ S6[t.z[0x7]] ^ S7[t.z[0x4]] ^ S8[t.z[0x6]] ^ S7[t.z[0x0]];
- k[1] = t.i[0] ^ S5[Key[0x0]] ^ S6[Key[0x2]] ^ S7[Key[0x1]] ^ S8[Key[0x3]] ^ S8[t.z[0x2]];
- k[2] = t.i[1] ^ S5[Key[0x7]] ^ S6[Key[0x6]] ^ S7[Key[0x5]] ^ S8[Key[0x4]] ^ S5[t.z[0x1]];
- k[3] = t.i[3] ^ S5[Key[0xA]] ^ S6[Key[0x9]] ^ S7[Key[0xB]] ^ S8[Key[0x8]] ^ S6[t.z[0x3]];
-
- Kr[0x4] = S5[Key[0x3]] ^ S6[Key[0x2]] ^ S7[Key[0xC]] ^ S8[Key[0xD]] ^ S5[Key[0x8]];
- Kr[0x5] = S5[Key[0x1]] ^ S6[Key[0x0]] ^ S7[Key[0xE]] ^ S8[Key[0xF]] ^ S6[Key[0xD]];
- Kr[0x6] = S5[Key[0x7]] ^ S6[Key[0x6]] ^ S7[Key[0x8]] ^ S8[Key[0x9]] ^ S7[Key[0x3]];
- Kr[0x7] = S5[Key[0x5]] ^ S6[Key[0x4]] ^ S7[Key[0xA]] ^ S8[Key[0xB]] ^ S8[Key[0x7]];
-
- t.i[0] = k[0] ^ S5[Key[0xD]] ^ S6[Key[0xF]] ^ S7[Key[0xC]] ^ S8[Key[0xE]] ^ S7[Key[0x8]];
- t.i[1] = k[2] ^ S5[t.z[0x0]] ^ S6[t.z[0x2]] ^ S7[t.z[0x1]] ^ S8[t.z[0x3]] ^ S8[Key[0xA]];
- t.i[2] = k[3] ^ S5[t.z[0x7]] ^ S6[t.z[0x6]] ^ S7[t.z[0x5]] ^ S8[t.z[0x4]] ^ S5[Key[0x9]];
- t.i[3] = k[1] ^ S5[t.z[0xA]] ^ S6[t.z[0x9]] ^ S7[t.z[0xB]] ^ S8[t.z[0x8]] ^ S6[Key[0xB]];
-
- Kr[0x8] = S5[t.z[0x3]] ^ S6[t.z[0x2]] ^ S7[t.z[0xC]] ^ S8[t.z[0xD]] ^ S5[t.z[0x9]];
- Kr[0x9] = S5[t.z[0x1]] ^ S6[t.z[0x0]] ^ S7[t.z[0xE]] ^ S8[t.z[0xF]] ^ S6[t.z[0xC]];
- Kr[0xa] = S5[t.z[0x7]] ^ S6[t.z[0x6]] ^ S7[t.z[0x8]] ^ S8[t.z[0x9]] ^ S7[t.z[0x2]];
- Kr[0xb] = S5[t.z[0x5]] ^ S6[t.z[0x4]] ^ S7[t.z[0xA]] ^ S8[t.z[0xB]] ^ S8[t.z[0x6]];
-
- k[0] = t.i[2] ^ S5[t.z[0x5]] ^ S6[t.z[0x7]] ^ S7[t.z[0x4]] ^ S8[t.z[0x6]] ^ S7[t.z[0x0]];
- k[1] = t.i[0] ^ S5[Key[0x0]] ^ S6[Key[0x2]] ^ S7[Key[0x1]] ^ S8[Key[0x3]] ^ S8[t.z[0x2]];
- k[2] = t.i[1] ^ S5[Key[0x7]] ^ S6[Key[0x6]] ^ S7[Key[0x5]] ^ S8[Key[0x4]] ^ S5[t.z[0x1]];
- k[3] = t.i[3] ^ S5[Key[0xA]] ^ S6[Key[0x9]] ^ S7[Key[0xB]] ^ S8[Key[0x8]] ^ S6[t.z[0x3]];
-
- Kr[0xc] = S5[Key[0x8]] ^ S6[Key[0x9]] ^ S7[Key[0x7]] ^ S8[Key[0x6]] ^ S5[Key[0x3]];
- Kr[0xd] = S5[Key[0xA]] ^ S6[Key[0xB]] ^ S7[Key[0x5]] ^ S8[Key[0x4]] ^ S6[Key[0x7]];
- Kr[0xe] = S5[Key[0xC]] ^ S6[Key[0xD]] ^ S7[Key[0x3]] ^ S8[Key[0x2]] ^ S7[Key[0x8]];
- Kr[0xf] = S5[Key[0xE]] ^ S6[Key[0xF]] ^ S7[Key[0x1]] ^ S8[Key[0x0]] ^ S8[Key[0xD]];
-
-
- for (int i = 0; i < 16; i++)
- Kr[i] = Kr[i] & 0x0000001F;
-}
-
-
-inline void CAST128::EncryptBlock(uint8_t *Block)
-{
- uint32_t l, r, tmp;
- union {
- uint8_t byte[4];
- uint32_t block;
- } t;
-
- l = ((uint32_t*)Block)[0];
- r = ((uint32_t*)Block)[1];
-
- for (int i = 0; i < 16; i++)
- {
- if ((i % 3) == 0)
- {
- t.block = (t.block << Kr[i]) | (t.block >> (32 - Kr[i]));
- t.block = ((S1[t.byte[0]] ^ S2[t.byte[1]]) - S3[t.byte[2]]) + S4[t.byte[3]];
- } else if ((i % 3) == 1)
- {
- t.block = (t.block << Kr[i]) | (t.block >> (32 - Kr[i]));
- t.block = ((S1[t.byte[0]] - S2[t.byte[1]]) + S3[t.byte[2]]) ^ S4[t.byte[3]];
- } else {
- t.block = (t.block << Kr[i]) | (t.block >> (32 - Kr[i]));
- t.block = ((S1[t.byte[0]] + S2[t.byte[1]]) ^ S3[t.byte[2]]) - S4[t.byte[3]];
- }
-
- tmp = r;
- r = l ^ t.block;
- l = tmp;
- }
-
- ((uint32_t*)Block)[0] = l;
- ((uint32_t*)Block)[1] = r;
-}
-
-
-
-inline void CAST128::DecryptBlock(uint8_t *Block)
-{
- uint32_t l, r, tmp;
- union {
- uint8_t byte[4];
- uint32_t block;
- } t;
-
- r = ((uint32_t*)Block)[0];
- l = ((uint32_t*)Block)[1];
-
- for (int i = 15; i >= 0; i--)
- {
- if ((i % 3) == 0)
- {
- t.block = (t.block << Kr[i]) | (t.block >> (32 - Kr[i]));
- t.block = ((S1[t.byte[0]] ^ S2[t.byte[1]]) - S3[t.byte[2]]) + S4[t.byte[3]];
- } else if ((i % 3) == 1)
- {
- t.block = (t.block << Kr[i]) | (t.block >> (32 - Kr[i]));
- t.block = ((S1[t.byte[0]] - S2[t.byte[1]]) + S3[t.byte[2]]) ^ S4[t.byte[3]];
- } else {
- t.block = (t.block << Kr[i]) | (t.block >> (32 - Kr[i]));
- t.block = ((S1[t.byte[0]] + S2[t.byte[1]]) ^ S3[t.byte[2]]) - S4[t.byte[3]];
- }
-
- tmp = r;
- r = l ^ t.block;
- l = tmp;
- }
-
- ((uint32_t*)Block)[0] = r;
- ((uint32_t*)Block)[1] = l;
-}
-
-extern "C" __declspec(dllexport) const TCipherInfo* CipherInfo(void * Reserved)
-{
- return &CAST128::cCipherInfo;
-}
|