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-rw-r--r--CryptoPP/serpent.cpp123
1 files changed, 0 insertions, 123 deletions
diff --git a/CryptoPP/serpent.cpp b/CryptoPP/serpent.cpp
deleted file mode 100644
index 40fab23d7..000000000
--- a/CryptoPP/serpent.cpp
+++ /dev/null
@@ -1,123 +0,0 @@
-// serpent.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-#include "serpent.h"
-#include "misc.h"
-
-#include "serpentp.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void Serpent_KeySchedule(word32 *k, unsigned int rounds, const byte *userKey, size_t keylen)
-{
- FixedSizeSecBlock<word32, 8> k0;
- GetUserKey(LITTLE_ENDIAN_ORDER, k0.begin(), 8, userKey, keylen);
- if (keylen < 32)
- k0[keylen/4] |= word32(1) << ((keylen%4)*8);
-
- word32 t = k0[7];
- unsigned int i;
- for (i = 0; i < 8; ++i)
- k[i] = k0[i] = t = rotlFixed(k0[i] ^ k0[(i+3)%8] ^ k0[(i+5)%8] ^ t ^ 0x9e3779b9 ^ i, 11);
- for (i = 8; i < 4*(rounds+1); ++i)
- k[i] = t = rotlFixed(k[i-8] ^ k[i-5] ^ k[i-3] ^ t ^ 0x9e3779b9 ^ i, 11);
- k -= 20;
-
- word32 a,b,c,d,e;
- for (i=0; i<rounds/8; i++)
- {
- afterS2(LK); afterS2(S3); afterS3(SK);
- afterS1(LK); afterS1(S2); afterS2(SK);
- afterS0(LK); afterS0(S1); afterS1(SK);
- beforeS0(LK); beforeS0(S0); afterS0(SK);
- k += 8*4;
- afterS6(LK); afterS6(S7); afterS7(SK);
- afterS5(LK); afterS5(S6); afterS6(SK);
- afterS4(LK); afterS4(S5); afterS5(SK);
- afterS3(LK); afterS3(S4); afterS4(SK);
- }
- afterS2(LK); afterS2(S3); afterS3(SK);
-}
-
-void Serpent::Base::UncheckedSetKey(const byte *userKey, unsigned int keylen, const NameValuePairs &)
-{
- AssertValidKeyLength(keylen);
- Serpent_KeySchedule(m_key, 32, userKey, keylen);
-}
-
-typedef BlockGetAndPut<word32, LittleEndian> Block;
-
-void Serpent::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- word32 a, b, c, d, e;
-
- Block::Get(inBlock)(a)(b)(c)(d);
-
- const word32 *k = m_key;
- unsigned int i=1;
-
- do
- {
- beforeS0(KX); beforeS0(S0); afterS0(LT);
- afterS0(KX); afterS0(S1); afterS1(LT);
- afterS1(KX); afterS1(S2); afterS2(LT);
- afterS2(KX); afterS2(S3); afterS3(LT);
- afterS3(KX); afterS3(S4); afterS4(LT);
- afterS4(KX); afterS4(S5); afterS5(LT);
- afterS5(KX); afterS5(S6); afterS6(LT);
- afterS6(KX); afterS6(S7);
-
- if (i == 4)
- break;
-
- ++i;
- c = b;
- b = e;
- e = d;
- d = a;
- a = e;
- k += 32;
- beforeS0(LT);
- }
- while (true);
-
- afterS7(KX);
-
- Block::Put(xorBlock, outBlock)(d)(e)(b)(a);
-}
-
-void Serpent::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
-{
- word32 a, b, c, d, e;
-
- Block::Get(inBlock)(a)(b)(c)(d);
-
- const word32 *k = m_key + 96;
- unsigned int i=4;
-
- beforeI7(KX);
- goto start;
-
- do
- {
- c = b;
- b = d;
- d = e;
- k -= 32;
- beforeI7(ILT);
-start:
- beforeI7(I7); afterI7(KX);
- afterI7(ILT); afterI7(I6); afterI6(KX);
- afterI6(ILT); afterI6(I5); afterI5(KX);
- afterI5(ILT); afterI5(I4); afterI4(KX);
- afterI4(ILT); afterI4(I3); afterI3(KX);
- afterI3(ILT); afterI3(I2); afterI2(KX);
- afterI2(ILT); afterI2(I1); afterI1(KX);
- afterI1(ILT); afterI1(I0); afterI0(KX);
- }
- while (--i != 0);
-
- Block::Put(xorBlock, outBlock)(a)(d)(b)(e);
-}
-
-NAMESPACE_END