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authormadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2013-03-23 21:53:08 +0100
committermadmaxoft@gmail.com <madmaxoft@gmail.com@0a769ca7-a7f5-676a-18bf-c427514a06d6>2013-03-23 21:53:08 +0100
commit561f10539494ce6cba62d58dab2a6686e04c760b (patch)
treef9d4cb50653ffa7473bdf148b900145aff8e4074 /CryptoPP/mars.cpp
parentMemDumpAnalysis now outputs executable to MCServer folder and debugging starts there. (diff)
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Diffstat (limited to 'CryptoPP/mars.cpp')
-rw-r--r--CryptoPP/mars.cpp154
1 files changed, 0 insertions, 154 deletions
diff --git a/CryptoPP/mars.cpp b/CryptoPP/mars.cpp
deleted file mode 100644
index fe9b1186a..000000000
--- a/CryptoPP/mars.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-// mars.cpp - written and placed in the public domain by Wei Dai
-
-// includes IBM's key setup "tweak" proposed in August 1999 (http://www.research.ibm.com/security/key-setup.txt)
-
-#include "pch.h"
-#include "mars.h"
-#include "misc.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void MARS::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &)
-{
- AssertValidKeyLength(length);
-
- // Initialize T[] with the key data
- FixedSizeSecBlock<word32, 15> T;
- GetUserKey(LITTLE_ENDIAN_ORDER, T.begin(), 15, userKey, length);
- T[length/4] = length/4;
-
- for (unsigned int j=0; j<4; j++) // compute 10 words of K[] in each iteration
- {
- unsigned int i;
- // Do linear transformation
- for (i=0; i<15; i++)
- T[i] = T[i] ^ rotlFixed(T[(i+8)%15] ^ T[(i+13)%15], 3) ^ (4*i+j);
-
- // Do four rounds of stirring
- for (unsigned int k=0; k<4; k++)
- for (i=0; i<15; i++)
- T[i] = rotlFixed(T[i] + Sbox[T[(i+14)%15]%512], 9);
-
- // Store next 10 key words into K[]
- for (i=0; i<10; i++)
- m_k[10*j+i] = T[4*i%15];
- }
-
- // Modify multiplication key-words
- for(unsigned int i = 5; i < 37; i += 2)
- {
- word32 m, w = m_k[i] | 3;
- m = (~w ^ (w<<1)) & (~w ^ (w>>1)) & 0x7ffffffe;
- m &= m>>1; m &= m>>2; m &= m>>4;
- m |= m<<1; m |= m<<2; m |= m<<4;
- m &= 0x7ffffffc;
- w ^= rotlMod(Sbox[265 + (m_k[i] & 3)], m_k[i-1]) & m;
- m_k[i] = w;
- }
-}
-
-#define S(a) Sbox[(a)&0x1ff]
-#define S0(a) Sbox[(a)&0xff]
-#define S1(a) Sbox[((a)&0xff) + 256]
-
-typedef BlockGetAndPut<word32, LittleEndian> Block;
-
-void MARS::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- unsigned int i;
- word32 a, b, c, d, l, m, r, t;
- const word32 *k = m_k;
-
- Block::Get(inBlock)(a)(b)(c)(d);
-
- a += k[0]; b += k[1]; c += k[2]; d += k[3];
-
- for (i=0; i<8; i++)
- {
- b = (b ^ S0(a)) + S1(a>>8);
- c += S0(a>>16);
- a = rotrFixed(a, 24);
- d ^= S1(a);
- a += (i%4==0) ? d : 0;
- a += (i%4==1) ? b : 0;
- t = a; a = b; b = c; c = d; d = t;
- }
-
- for (i=0; i<16; i++)
- {
- t = rotlFixed(a, 13);
- r = rotlFixed(t * k[2*i+5], 10);
- m = a + k[2*i+4];
- l = rotlMod((S(m) ^ rotrFixed(r, 5) ^ r), r);
- c += rotlMod(m, rotrFixed(r, 5));
- (i<8 ? b : d) += l;
- (i<8 ? d : b) ^= r;
- a = b; b = c; c = d; d = t;
- }
-
- for (i=0; i<8; i++)
- {
- a -= (i%4==2) ? d : 0;
- a -= (i%4==3) ? b : 0;
- b ^= S1(a);
- c -= S0(a>>24);
- t = rotlFixed(a, 24);
- d = (d - S1(a>>16)) ^ S0(t);
- a = b; b = c; c = d; d = t;
- }
-
- a -= k[36]; b -= k[37]; c -= k[38]; d -= k[39];
-
- Block::Put(xorBlock, outBlock)(a)(b)(c)(d);
-}
-
-void MARS::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- unsigned int i;
- word32 a, b, c, d, l, m, r, t;
- const word32 *k = m_k;
-
- Block::Get(inBlock)(d)(c)(b)(a);
-
- d += k[36]; c += k[37]; b += k[38]; a += k[39];
-
- for (i=0; i<8; i++)
- {
- b = (b ^ S0(a)) + S1(a>>8);
- c += S0(a>>16);
- a = rotrFixed(a, 24);
- d ^= S1(a);
- a += (i%4==0) ? d : 0;
- a += (i%4==1) ? b : 0;
- t = a; a = b; b = c; c = d; d = t;
- }
-
- for (i=0; i<16; i++)
- {
- t = rotrFixed(a, 13);
- r = rotlFixed(a * k[35-2*i], 10);
- m = t + k[34-2*i];
- l = rotlMod((S(m) ^ rotrFixed(r, 5) ^ r), r);
- c -= rotlMod(m, rotrFixed(r, 5));
- (i<8 ? b : d) -= l;
- (i<8 ? d : b) ^= r;
- a = b; b = c; c = d; d = t;
- }
-
- for (i=0; i<8; i++)
- {
- a -= (i%4==2) ? d : 0;
- a -= (i%4==3) ? b : 0;
- b ^= S1(a);
- c -= S0(a>>24);
- t = rotlFixed(a, 24);
- d = (d - S1(a>>16)) ^ S0(t);
- a = b; b = c; c = d; d = t;
- }
-
- d -= k[0]; c -= k[1]; b -= k[2]; a -= k[3];
-
- Block::Put(xorBlock, outBlock)(d)(c)(b)(a);
-}
-
-NAMESPACE_END