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-rw-r--r--CryptoPP/serpentp.h434
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diff --git a/CryptoPP/serpentp.h b/CryptoPP/serpentp.h
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-// private header for Serpent and Sosemanuk
-
-NAMESPACE_BEGIN(CryptoPP)
-
-// linear transformation
-#define LT(i,a,b,c,d,e) {\
- a = rotlFixed(a, 13); \
- c = rotlFixed(c, 3); \
- d = rotlFixed(d ^ c ^ (a << 3), 7); \
- b = rotlFixed(b ^ a ^ c, 1); \
- a = rotlFixed(a ^ b ^ d, 5); \
- c = rotlFixed(c ^ d ^ (b << 7), 22);}
-
-// inverse linear transformation
-#define ILT(i,a,b,c,d,e) {\
- c = rotrFixed(c, 22); \
- a = rotrFixed(a, 5); \
- c ^= d ^ (b << 7); \
- a ^= b ^ d; \
- b = rotrFixed(b, 1); \
- d = rotrFixed(d, 7) ^ c ^ (a << 3); \
- b ^= a ^ c; \
- c = rotrFixed(c, 3); \
- a = rotrFixed(a, 13);}
-
-// order of output from S-box functions
-#define beforeS0(f) f(0,a,b,c,d,e)
-#define afterS0(f) f(1,b,e,c,a,d)
-#define afterS1(f) f(2,c,b,a,e,d)
-#define afterS2(f) f(3,a,e,b,d,c)
-#define afterS3(f) f(4,e,b,d,c,a)
-#define afterS4(f) f(5,b,a,e,c,d)
-#define afterS5(f) f(6,a,c,b,e,d)
-#define afterS6(f) f(7,a,c,d,b,e)
-#define afterS7(f) f(8,d,e,b,a,c)
-
-// order of output from inverse S-box functions
-#define beforeI7(f) f(8,a,b,c,d,e)
-#define afterI7(f) f(7,d,a,b,e,c)
-#define afterI6(f) f(6,a,b,c,e,d)
-#define afterI5(f) f(5,b,d,e,c,a)
-#define afterI4(f) f(4,b,c,e,a,d)
-#define afterI3(f) f(3,a,b,e,c,d)
-#define afterI2(f) f(2,b,d,e,c,a)
-#define afterI1(f) f(1,a,b,c,e,d)
-#define afterI0(f) f(0,a,d,b,e,c)
-
-// The instruction sequences for the S-box functions
-// come from Dag Arne Osvik's paper "Speeding up Serpent".
-
-#define S0(i, r0, r1, r2, r3, r4) \
- { \
- r3 ^= r0; \
- r4 = r1; \
- r1 &= r3; \
- r4 ^= r2; \
- r1 ^= r0; \
- r0 |= r3; \
- r0 ^= r4; \
- r4 ^= r3; \
- r3 ^= r2; \
- r2 |= r1; \
- r2 ^= r4; \
- r4 = ~r4; \
- r4 |= r1; \
- r1 ^= r3; \
- r1 ^= r4; \
- r3 |= r0; \
- r1 ^= r3; \
- r4 ^= r3; \
- }
-
-#define I0(i, r0, r1, r2, r3, r4) \
- { \
- r2 = ~r2; \
- r4 = r1; \
- r1 |= r0; \
- r4 = ~r4; \
- r1 ^= r2; \
- r2 |= r4; \
- r1 ^= r3; \
- r0 ^= r4; \
- r2 ^= r0; \
- r0 &= r3; \
- r4 ^= r0; \
- r0 |= r1; \
- r0 ^= r2; \
- r3 ^= r4; \
- r2 ^= r1; \
- r3 ^= r0; \
- r3 ^= r1; \
- r2 &= r3; \
- r4 ^= r2; \
- }
-
-#define S1(i, r0, r1, r2, r3, r4) \
- { \
- r0 = ~r0; \
- r2 = ~r2; \
- r4 = r0; \
- r0 &= r1; \
- r2 ^= r0; \
- r0 |= r3; \
- r3 ^= r2; \
- r1 ^= r0; \
- r0 ^= r4; \
- r4 |= r1; \
- r1 ^= r3; \
- r2 |= r0; \
- r2 &= r4; \
- r0 ^= r1; \
- r1 &= r2; \
- r1 ^= r0; \
- r0 &= r2; \
- r0 ^= r4; \
- }
-
-#define I1(i, r0, r1, r2, r3, r4) \
- { \
- r4 = r1; \
- r1 ^= r3; \
- r3 &= r1; \
- r4 ^= r2; \
- r3 ^= r0; \
- r0 |= r1; \
- r2 ^= r3; \
- r0 ^= r4; \
- r0 |= r2; \
- r1 ^= r3; \
- r0 ^= r1; \
- r1 |= r3; \
- r1 ^= r0; \
- r4 = ~r4; \
- r4 ^= r1; \
- r1 |= r0; \
- r1 ^= r0; \
- r1 |= r4; \
- r3 ^= r1; \
- }
-
-#define S2(i, r0, r1, r2, r3, r4) \
- { \
- r4 = r0; \
- r0 &= r2; \
- r0 ^= r3; \
- r2 ^= r1; \
- r2 ^= r0; \
- r3 |= r4; \
- r3 ^= r1; \
- r4 ^= r2; \
- r1 = r3; \
- r3 |= r4; \
- r3 ^= r0; \
- r0 &= r1; \
- r4 ^= r0; \
- r1 ^= r3; \
- r1 ^= r4; \
- r4 = ~r4; \
- }
-
-#define I2(i, r0, r1, r2, r3, r4) \
- { \
- r2 ^= r3; \
- r3 ^= r0; \
- r4 = r3; \
- r3 &= r2; \
- r3 ^= r1; \
- r1 |= r2; \
- r1 ^= r4; \
- r4 &= r3; \
- r2 ^= r3; \
- r4 &= r0; \
- r4 ^= r2; \
- r2 &= r1; \
- r2 |= r0; \
- r3 = ~r3; \
- r2 ^= r3; \
- r0 ^= r3; \
- r0 &= r1; \
- r3 ^= r4; \
- r3 ^= r0; \
- }
-
-#define S3(i, r0, r1, r2, r3, r4) \
- { \
- r4 = r0; \
- r0 |= r3; \
- r3 ^= r1; \
- r1 &= r4; \
- r4 ^= r2; \
- r2 ^= r3; \
- r3 &= r0; \
- r4 |= r1; \
- r3 ^= r4; \
- r0 ^= r1; \
- r4 &= r0; \
- r1 ^= r3; \
- r4 ^= r2; \
- r1 |= r0; \
- r1 ^= r2; \
- r0 ^= r3; \
- r2 = r1; \
- r1 |= r3; \
- r1 ^= r0; \
- }
-
-#define I3(i, r0, r1, r2, r3, r4) \
- { \
- r4 = r2; \
- r2 ^= r1; \
- r1 &= r2; \
- r1 ^= r0; \
- r0 &= r4; \
- r4 ^= r3; \
- r3 |= r1; \
- r3 ^= r2; \
- r0 ^= r4; \
- r2 ^= r0; \
- r0 |= r3; \
- r0 ^= r1; \
- r4 ^= r2; \
- r2 &= r3; \
- r1 |= r3; \
- r1 ^= r2; \
- r4 ^= r0; \
- r2 ^= r4; \
- }
-
-#define S4(i, r0, r1, r2, r3, r4) \
- { \
- r1 ^= r3; \
- r3 = ~r3; \
- r2 ^= r3; \
- r3 ^= r0; \
- r4 = r1; \
- r1 &= r3; \
- r1 ^= r2; \
- r4 ^= r3; \
- r0 ^= r4; \
- r2 &= r4; \
- r2 ^= r0; \
- r0 &= r1; \
- r3 ^= r0; \
- r4 |= r1; \
- r4 ^= r0; \
- r0 |= r3; \
- r0 ^= r2; \
- r2 &= r3; \
- r0 = ~r0; \
- r4 ^= r2; \
- }
-
-#define I4(i, r0, r1, r2, r3, r4) \
- { \
- r4 = r2; \
- r2 &= r3; \
- r2 ^= r1; \
- r1 |= r3; \
- r1 &= r0; \
- r4 ^= r2; \
- r4 ^= r1; \
- r1 &= r2; \
- r0 = ~r0; \
- r3 ^= r4; \
- r1 ^= r3; \
- r3 &= r0; \
- r3 ^= r2; \
- r0 ^= r1; \
- r2 &= r0; \
- r3 ^= r0; \
- r2 ^= r4; \
- r2 |= r3; \
- r3 ^= r0; \
- r2 ^= r1; \
- }
-
-#define S5(i, r0, r1, r2, r3, r4) \
- { \
- r0 ^= r1; \
- r1 ^= r3; \
- r3 = ~r3; \
- r4 = r1; \
- r1 &= r0; \
- r2 ^= r3; \
- r1 ^= r2; \
- r2 |= r4; \
- r4 ^= r3; \
- r3 &= r1; \
- r3 ^= r0; \
- r4 ^= r1; \
- r4 ^= r2; \
- r2 ^= r0; \
- r0 &= r3; \
- r2 = ~r2; \
- r0 ^= r4; \
- r4 |= r3; \
- r2 ^= r4; \
- }
-
-#define I5(i, r0, r1, r2, r3, r4) \
- { \
- r1 = ~r1; \
- r4 = r3; \
- r2 ^= r1; \
- r3 |= r0; \
- r3 ^= r2; \
- r2 |= r1; \
- r2 &= r0; \
- r4 ^= r3; \
- r2 ^= r4; \
- r4 |= r0; \
- r4 ^= r1; \
- r1 &= r2; \
- r1 ^= r3; \
- r4 ^= r2; \
- r3 &= r4; \
- r4 ^= r1; \
- r3 ^= r0; \
- r3 ^= r4; \
- r4 = ~r4; \
- }
-
-#define S6(i, r0, r1, r2, r3, r4) \
- { \
- r2 = ~r2; \
- r4 = r3; \
- r3 &= r0; \
- r0 ^= r4; \
- r3 ^= r2; \
- r2 |= r4; \
- r1 ^= r3; \
- r2 ^= r0; \
- r0 |= r1; \
- r2 ^= r1; \
- r4 ^= r0; \
- r0 |= r3; \
- r0 ^= r2; \
- r4 ^= r3; \
- r4 ^= r0; \
- r3 = ~r3; \
- r2 &= r4; \
- r2 ^= r3; \
- }
-
-#define I6(i, r0, r1, r2, r3, r4) \
- { \
- r0 ^= r2; \
- r4 = r2; \
- r2 &= r0; \
- r4 ^= r3; \
- r2 = ~r2; \
- r3 ^= r1; \
- r2 ^= r3; \
- r4 |= r0; \
- r0 ^= r2; \
- r3 ^= r4; \
- r4 ^= r1; \
- r1 &= r3; \
- r1 ^= r0; \
- r0 ^= r3; \
- r0 |= r2; \
- r3 ^= r1; \
- r4 ^= r0; \
- }
-
-#define S7(i, r0, r1, r2, r3, r4) \
- { \
- r4 = r2; \
- r2 &= r1; \
- r2 ^= r3; \
- r3 &= r1; \
- r4 ^= r2; \
- r2 ^= r1; \
- r1 ^= r0; \
- r0 |= r4; \
- r0 ^= r2; \
- r3 ^= r1; \
- r2 ^= r3; \
- r3 &= r0; \
- r3 ^= r4; \
- r4 ^= r2; \
- r2 &= r0; \
- r4 = ~r4; \
- r2 ^= r4; \
- r4 &= r0; \
- r1 ^= r3; \
- r4 ^= r1; \
- }
-
-#define I7(i, r0, r1, r2, r3, r4) \
- { \
- r4 = r2; \
- r2 ^= r0; \
- r0 &= r3; \
- r2 = ~r2; \
- r4 |= r3; \
- r3 ^= r1; \
- r1 |= r0; \
- r0 ^= r2; \
- r2 &= r4; \
- r1 ^= r2; \
- r2 ^= r0; \
- r0 |= r2; \
- r3 &= r4; \
- r0 ^= r3; \
- r4 ^= r1; \
- r3 ^= r4; \
- r4 |= r0; \
- r3 ^= r2; \
- r4 ^= r2; \
- }
-
-// key xor
-#define KX(r, a, b, c, d, e) {\
- a ^= k[4 * r + 0]; \
- b ^= k[4 * r + 1]; \
- c ^= k[4 * r + 2]; \
- d ^= k[4 * r + 3];}
-
-#define LK(r, a, b, c, d, e) {\
- a = k[(8-r)*4 + 0]; \
- b = k[(8-r)*4 + 1]; \
- c = k[(8-r)*4 + 2]; \
- d = k[(8-r)*4 + 3];}
-
-#define SK(r, a, b, c, d, e) {\
- k[(8-r)*4 + 4] = a; \
- k[(8-r)*4 + 5] = b; \
- k[(8-r)*4 + 6] = c; \
- k[(8-r)*4 + 7] = d;}
-
-void Serpent_KeySchedule(word32 *k, unsigned int rounds, const byte *userKey, size_t keylen);
-
-NAMESPACE_END
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