add new algorithms (Kevin Springle)

1 files changed, 313 insertions, 0 deletions

diff --git a/camellia.cpp b/camellia.cpp
new file mode 100644
index 00000000..3d8d5e3f
--- /dev/null
+++ b/camellia.cpp
@@ -0,0 +1,313 @@
+// camellia.cpp - by Kevin Springle, 2003
+// This code is hereby placed in the public domain.
+
+#include "pch.h"
+
+#ifdef WORD64_AVAILABLE
+
+#include "camellia.h"
+#include "misc.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+// Define internal Camellia function macros
+
+inline word64 Camellia::Base::F(word64 X)
+{
+	word32 t1 = (word32)(X >> 32);
+	word32 t2 = (word32)(X & 0xFFFFFFFFL);
+	t2=	(s2[GETBYTE(t2, 3)] << 24) |
+		(s3[GETBYTE(t2, 2)] << 16) |
+		(s4[GETBYTE(t2, 1)] <<	8) |
+		(s1[GETBYTE(t2, 0)]);
+	t1=	(s1[GETBYTE(t1, 3)] << 24) |
+		(s2[GETBYTE(t1, 2)] << 16) |
+		(s3[GETBYTE(t1, 1)] <<	8) |
+		(s4[GETBYTE(t1, 0)]);
+	t1 ^= rotlFixed(t2, 8);
+	t2 ^= rotlFixed(t1, 16);
+	t1 ^= rotlFixed(t2, 24);
+	t2 ^= rotlFixed(t1, 24);
+	return ((word64)t2 << 32) | (word64)t1;
+}
+
+#define ROUND2(Xp, K1, K2) \
+	{ (Xp)[1] ^= F((Xp)[0] ^ K1); (Xp)[0] ^= F((Xp)[1] ^ K2); }
+
+inline void Camellia::Base::FLlayer(word64 *x, word64 K1, word64 K2)
+{
+	word32 Xl = (word32)(x[0] >> 32);
+	word32 Xr = (word32)(x[0] & 0xFFFFFFFFL);
+	Xr ^= rotlFixed(Xl & (word32)(K1 >> 32), 1);
+	Xl ^= (Xr | (word32)(K1 & 0xFFFFFFFFL));
+    x[0] = ((word64)Xl << 32) | (word64)Xr;
+
+	Xl = (word32)(x[1] >> 32);
+	Xr = (word32)(x[1] & 0xFFFFFFFFL);
+	Xl ^= (Xr | (word32)(K2 & 0xFFFFFFFFL));
+	Xr ^= rotlFixed(Xl & (word32)(K2 >> 32), 1);
+    x[1] = ((word64)Xl << 32) | (word64)Xr;
+}
+
+inline void rotl128(word64 *x, unsigned int bits)
+{
+	word64 temp = x[0] >> (64 - bits);
+	x[0] = (x[0] << bits) | (x[1] >> (64 - bits));
+	x[1] = (x[1] << bits) | temp;
+}
+
+void Camellia::Base::UncheckedSetKey(CipherDir dir, const byte *key, unsigned int keylen)
+{
+	AssertValidKeyLength(keylen);
+
+	m_rounds = (keylen >= 24) ? 4 : 3;
+	unsigned int kslen = (8 * m_rounds + 2);
+	m_key.New(8 * kslen);
+	word64 *ks = m_key;
+
+	FixedSizeSecBlock<word64, 32> keyword;
+	word64 *kw = keyword;
+
+#define KL	(kw+0)
+#define KR	(kw+2)
+#define KA	(kw+4)
+#define KB	(kw+6)
+
+//???	GetBlock<word64, BigEndian> keyblock(key);
+//???	keyblock(KL[0])(KL[1]);
+	if (keylen == 16)
+	{
+		GetUserKey(BIG_ENDIAN_ORDER, kw, 2, key, keylen);
+		KA[0] = KL[0];
+		KA[1] = KL[1];
+	}
+	else
+	{
+		if (keylen == 24)
+		{
+			GetUserKey(BIG_ENDIAN_ORDER, kw, 3, key, keylen);
+			KR[1] = ~KR[0];
+		}
+		else
+		{
+			GetUserKey(BIG_ENDIAN_ORDER, kw, 4, key, keylen);
+		}
+//???		keyblock(KR[0]);
+//???		if (keylen == 32)
+//???		{
+//???			keyblock(KR[1]);
+//???		}
+//???		else
+//???		{
+//???			KR[1] = ~KR[0];
+//???		}
+		KA[0] = KL[0] ^ KR[0];
+		KA[1] = KL[1] ^ KR[1];
+	}
+	ROUND2(KA, W64LIT(0xA09E667F3BCC908B), W64LIT(0xB67AE8584CAA73B2));
+	KA[0] ^= KL[0];
+	KA[1] ^= KL[1];
+	ROUND2(KA, W64LIT(0xC6EF372FE94F82BE), W64LIT(0x54FF53A5F1D36F1C));
+
+	if (keylen == 16)
+	{
+		ks[0] = KL[0]; ks[1] = KL[1];
+		rotl128(KL, 15);
+		ks[4] = KL[0]; ks[5] = KL[1];
+		rotl128(KL, 30);
+		ks[10] = KL[0]; ks[11] = KL[1];
+		rotl128(KL, 15);
+		ks[13] = KL[1];
+		rotl128(KL, 17);
+		ks[16] = KL[0]; ks[17] = KL[1];
+		rotl128(KL, 17);
+		ks[18] = KL[0]; ks[19] = KL[1];
+		rotl128(KL, 17);
+		ks[22] = KL[0]; ks[23] = KL[1];
+
+		ks[2] = KA[0]; ks[3] = KA[1];
+		rotl128(KA, 15);
+		ks[6] = KA[0]; ks[7] = KA[1];
+		rotl128(KA, 15);
+		ks[8] = KA[0]; ks[9] = KA[1];
+		rotl128(KA, 15);
+		ks[12] = KA[0];
+		rotl128(KA, 15);
+		ks[14] = KA[0]; ks[15] = KA[1];
+		rotl128(KA, 34);
+		ks[20] = KA[0]; ks[21] = KA[1];
+		rotl128(KA, 17);
+		ks[24] = KA[0]; ks[25] = KA[1];
+	}
+	else
+	{
+		KB[0] = KA[0] ^ KR[0];
+		KB[1] = KA[1] ^ KR[1];
+		ROUND2(KB, W64LIT(0x10E527FADE682D1D), W64LIT(0xB05688C2B3E6C1FD));
+
+		ks[0] = KL[0]; ks[1] = KL[1];
+		rotl128(KL, 45);
+		ks[12] = KL[0]; ks[13] = KL[1];
+		rotl128(KL, 15);
+		ks[16] = KL[0]; ks[17] = KL[1];
+		rotl128(KL, 17);
+		ks[22] = KL[0]; ks[23] = KL[1];
+		rotl128(KL, 34);
+		ks[30] = KL[0]; ks[31] = KL[1];
+
+		rotl128(KR, 15);
+		ks[4] = KR[0]; ks[5] = KR[1];
+		rotl128(KR, 15);
+		ks[8] = KR[0]; ks[9] = KR[1];
+		rotl128(KR, 30);
+		ks[18] = KR[0]; ks[19] = KR[1];
+		rotl128(KR, 34);
+		ks[26] = KR[0]; ks[27] = KR[1];
+
+		rotl128(KA, 15);
+		ks[6] = KA[0]; ks[7] = KA[1];
+		rotl128(KA, 30);
+		ks[14] = KA[0]; ks[15] = KA[1];
+		rotl128(KA, 32);
+		ks[24] = KA[0]; ks[25] = KA[1];
+		rotl128(KA, 17);
+		ks[28] = KA[0]; ks[29] = KA[1];
+
+		ks[2] = KB[0]; ks[3] = KB[1];
+		rotl128(KB, 30);
+		ks[10] = KB[0]; ks[11] = KB[1];
+		rotl128(KB, 30);
+		ks[20] = KB[0]; ks[21] = KB[1];
+		rotl128(KB, 51);
+		ks[32] = KB[0]; ks[33] = KB[1];
+	}
+
+	if (dir == DECRYPTION)	// reverse key schedule order
+	{
+		std::swap(ks[0], ks[kslen-2]);
+		std::swap(ks[1], ks[kslen-1]);
+		for (unsigned int i=2; i<kslen/2; i++)
+		{
+			std::swap(ks[i], ks[kslen-1-i]);
+		}
+	}
+}
+
+typedef BlockGetAndPut<word64, BigEndian> Block;
+
+void Camellia::Base::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const
+{
+	FixedSizeSecBlock<word64, 16> mb;
+	word64 *m = mb;
+	const word64 *ks = m_key;
+
+	Block::Get(inBlock)(m[0])(m[1]);
+
+	m[0] ^= ks[0];
+	m[1] ^= ks[1];
+	ks += 2;
+	for (unsigned int i = m_rounds; i > 0; --i)
+	{
+		ROUND2(m, ks[0], ks[1]);
+		ROUND2(m, ks[2], ks[3]);
+		ROUND2(m, ks[4], ks[5]);
+		if (i != 1)
+		{
+			FLlayer(m, ks[6], ks[7]);
+			ks += 8;
+		}
+		else
+		{
+			m[0] ^= ks[7];
+			m[1] ^= ks[6];
+		}
+	}
+
+	Block::Put(xorBlock, outBlock)(m[1])(m[0]);
+}
+
+// The Camellia s-boxes
+
+const byte Camellia::Base::s1[256] =
+{
+	112,130,44,236,179,39,192,229,228,133,87,53,234,12,174,65,
+	35,239,107,147,69,25,165,33,237,14,79,78,29,101,146,189,
+	134,184,175,143,124,235,31,206,62,48,220,95,94,197,11,26,
+	166,225,57,202,213,71,93,61,217,1,90,214,81,86,108,77,
+	139,13,154,102,251,204,176,45,116,18,43,32,240,177,132,153,
+	223,76,203,194,52,126,118,5,109,183,169,49,209,23,4,215,
+	20,88,58,97,222,27,17,28,50,15,156,22,83,24,242,34,
+	254,68,207,178,195,181,122,145,36,8,232,168,96,252,105,80,
+	170,208,160,125,161,137,98,151,84,91,30,149,224,255,100,210,
+	16,196,0,72,163,247,117,219,138,3,230,218,9,63,221,148,
+	135,92,131,2,205,74,144,51,115,103,246,243,157,127,191,226,
+	82,155,216,38,200,55,198,59,129,150,111,75,19,190,99,46,
+	233,121,167,140,159,110,188,142,41,245,249,182,47,253,180,89,
+	120,152,6,106,231,70,113,186,212,37,171,66,136,162,141,250,
+	114,7,185,85,248,238,172,10,54,73,42,104,60,56,241,164,
+	64,40,211,123,187,201,67,193,21,227,173,244,119,199,128,158
+};
+
+const byte Camellia::Base::s2[256] =
+{
+	224,5,88,217,103,78,129,203,201,11,174,106,213,24,93,130,
+	70,223,214,39,138,50,75,66,219,28,158,156,58,202,37,123,
+	13,113,95,31,248,215,62,157,124,96,185,190,188,139,22,52,
+	77,195,114,149,171,142,186,122,179,2,180,173,162,172,216,154,
+	23,26,53,204,247,153,97,90,232,36,86,64,225,99,9,51,
+	191,152,151,133,104,252,236,10,218,111,83,98,163,46,8,175,
+	40,176,116,194,189,54,34,56,100,30,57,44,166,48,229,68,
+	253,136,159,101,135,107,244,35,72,16,209,81,192,249,210,160,
+	85,161,65,250,67,19,196,47,168,182,60,43,193,255,200,165,
+	32,137,0,144,71,239,234,183,21,6,205,181,18,126,187,41,
+	15,184,7,4,155,148,33,102,230,206,237,231,59,254,127,197,
+	164,55,177,76,145,110,141,118,3,45,222,150,38,125,198,92,
+	211,242,79,25,63,220,121,29,82,235,243,109,94,251,105,178,
+	240,49,12,212,207,140,226,117,169,74,87,132,17,69,27,245,
+	228,14,115,170,241,221,89,20,108,146,84,208,120,112,227,73,
+	128,80,167,246,119,147,134,131,42,199,91,233,238,143,1,61
+};
+
+const byte Camellia::Base::s3[256] =
+{
+	56,65,22,118,217,147,96,242,114,194,171,154,117,6,87,160,
+	145,247,181,201,162,140,210,144,246,7,167,39,142,178,73,222,
+	67,92,215,199,62,245,143,103,31,24,110,175,47,226,133,13,
+	83,240,156,101,234,163,174,158,236,128,45,107,168,43,54,166,
+	197,134,77,51,253,102,88,150,58,9,149,16,120,216,66,204,
+	239,38,229,97,26,63,59,130,182,219,212,152,232,139,2,235,
+	10,44,29,176,111,141,136,14,25,135,78,11,169,12,121,17,
+	127,34,231,89,225,218,61,200,18,4,116,84,48,126,180,40,
+	85,104,80,190,208,196,49,203,42,173,15,202,112,255,50,105,
+	8,98,0,36,209,251,186,237,69,129,115,109,132,159,238,74,
+	195,46,193,1,230,37,72,153,185,179,123,249,206,191,223,113,
+	41,205,108,19,100,155,99,157,192,75,183,165,137,95,177,23,
+	244,188,211,70,207,55,94,71,148,250,252,91,151,254,90,172,
+	60,76,3,53,243,35,184,93,106,146,213,33,68,81,198,125,
+	57,131,220,170,124,119,86,5,27,164,21,52,30,28,248,82,
+	32,20,233,189,221,228,161,224,138,241,214,122,187,227,64,79
+};
+
+const byte Camellia::Base::s4[256] =
+{
+	112,44,179,192,228,87,234,174,35,107,69,165,237,79,29,146,
+	134,175,124,31,62,220,94,11,166,57,213,93,217,90,81,108,
+	139,154,251,176,116,43,240,132,223,203,52,118,109,169,209,4,
+	20,58,222,17,50,156,83,242,254,207,195,122,36,232,96,105,
+	170,160,161,98,84,30,224,100,16,0,163,117,138,230,9,221,
+	135,131,205,144,115,246,157,191,82,216,200,198,129,111,19,99,
+	233,167,159,188,41,249,47,180,120,6,231,113,212,171,136,141,
+	114,185,248,172,54,42,60,241,64,211,187,67,21,173,119,128,
+	130,236,39,229,133,53,12,65,239,147,25,33,14,78,101,189,
+	184,143,235,206,48,95,197,26,225,202,71,61,1,214,86,77,
+	13,102,204,45,18,32,177,153,76,194,126,5,183,49,23,215,
+	88,97,27,28,15,22,24,34,68,178,181,145,8,168,252,80,
+	208,125,137,151,91,149,255,210,196,72,247,219,3,218,63,148,
+	92,2,74,51,103,243,127,226,155,38,55,59,150,75,190,46,
+	121,140,110,142,245,182,253,89,152,106,70,186,37,66,162,250,
+	7,85,238,10,73,104,56,164,40,123,201,193,227,244,199,158
+};
+
+NAMESPACE_END
+
+#endif // WORD64_AVAILABLE