camellia.c

openssl

	0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae,
	0x23230023,0x6b6b006b,0x45450045,0xa5a500a5,
	0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092,
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	0x74740074,0x2b2b002b,0xf0f000f0,0x84840084,
	0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076,
	0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004,
	0x14140014,0x3a3a003a,0xdede00de,0x11110011,
	0x32320032,0x9c9c009c,0x53530053,0xf2f200f2,
	0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a,
	0x24240024,0xe8e800e8,0x60600060,0x69690069,
	0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062,
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	0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd,
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	0x81810081,0x6f6f006f,0x13130013,0x63630063,
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	0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4,
	0x78780078,0x06060006,0xe7e700e7,0x71710071,
	0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d,
	0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac,
	0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1,
	0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043,
	0x15150015,0xadad00ad,0x77770077,0x80800080,
	0x82820082,0xecec00ec,0x27270027,0xe5e500e5,
	0x85850085,0x35350035,0x0c0c000c,0x41410041,
	0xefef00ef,0x93930093,0x19190019,0x21210021,
	0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd,
	0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce,
	0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a,
	0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d,
	0x01010001,0xd6d600d6,0x56560056,0x4d4d004d,
	0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d,
	0x12120012,0x20200020,0xb1b100b1,0x99990099,
	0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005,
	0xb7b700b7,0x31310031,0x17170017,0xd7d700d7,
	0x58580058,0x61610061,0x1b1b001b,0x1c1c001c,
	0x0f0f000f,0x16160016,0x18180018,0x22220022,
	0x44440044,0xb2b200b2,0xb5b500b5,0x91910091,
	0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050,
	0xd0d000d0,0x7d7d007d,0x89890089,0x97970097,
	0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2,
	0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db,
	0x03030003,0xdada00da,0x3f3f003f,0x94940094,
	0x5c5c005c,0x02020002,0x4a4a004a,0x33330033,
	0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2,
	0x9b9b009b,0x26260026,0x37370037,0x3b3b003b,
	0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e,
	0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e,
	0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059,
	0x98980098,0x6a6a006a,0x46460046,0xbaba00ba,
	0x25250025,0x42420042,0xa2a200a2,0xfafa00fa,
	0x07070007,0x55550055,0xeeee00ee,0x0a0a000a,
	0x49490049,0x68680068,0x38380038,0xa4a400a4,
	0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1,
	0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e,
	};

/**
 * Stuff related to the Camellia key schedule
 */
#define subl(x) subL[(x)]
#define subr(x) subR[(x)]

void camellia_setup128(const u8 *key, u32 *subkey)
	{
	u32 kll, klr, krl, krr;
	u32 il, ir, t0, t1, w0, w1;
	u32 kw4l, kw4r, dw, tl, tr;
	u32 subL[26];
	u32 subR[26];

	/**
	 *  k == kll || klr || krl || krr (|| is concatination)
	 */
	kll = GETU32(key     );
	klr = GETU32(key +  4);
	krl = GETU32(key +  8);
	krr = GETU32(key + 12);
	/**
	 * generate KL dependent subkeys
	 */
	/* kw1 */
	subl(0) = kll; subr(0) = klr;
	/* kw2 */
	subl(1) = krl; subr(1) = krr;
	/* rotation left shift 15bit */
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
	/* k3 */
	subl(4) = kll; subr(4) = klr;
	/* k4 */
	subl(5) = krl; subr(5) = krr;
	/* rotation left shift 15+30bit */
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
	/* k7 */
	subl(10) = kll; subr(10) = klr;
	/* k8 */
	subl(11) = krl; subr(11) = krr;
	/* rotation left shift 15+30+15bit */
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
	/* k10 */
	subl(13) = krl; subr(13) = krr;
	/* rotation left shift 15+30+15+17 bit */
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
	/* kl3 */
	subl(16) = kll; subr(16) = klr;
	/* kl4 */
	subl(17) = krl; subr(17) = krr;
	/* rotation left shift 15+30+15+17+17 bit */
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
	/* k13 */
	subl(18) = kll; subr(18) = klr;
	/* k14 */
	subl(19) = krl; subr(19) = krr;
	/* rotation left shift 15+30+15+17+17+17 bit */
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
	/* k17 */
	subl(22) = kll; subr(22) = klr;
	/* k18 */
	subl(23) = krl; subr(23) = krr;

	/* generate KA */
	kll = subl(0); klr = subr(0);
	krl = subl(1); krr = subr(1);
	CAMELLIA_F(kll, klr,
		CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
		w0, w1, il, ir, t0, t1);
	krl ^= w0; krr ^= w1;
	CAMELLIA_F(krl, krr,
		CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
		kll, klr, il, ir, t0, t1);
	/* current status == (kll, klr, w0, w1) */
	CAMELLIA_F(kll, klr,
		CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
		krl, krr, il, ir, t0, t1);
	krl ^= w0; krr ^= w1;
	CAMELLIA_F(krl, krr,
		CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
		w0, w1, il, ir, t0, t1);
	kll ^= w0; klr ^= w1;

	/* generate KA dependent subkeys */
	/* k1, k2 */
	subl(2) = kll; subr(2) = klr;
	subl(3) = krl; subr(3) = krr;
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
	/* k5,k6 */
	subl(6) = kll; subr(6) = klr;
	subl(7) = krl; subr(7) = krr;
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
	/* kl1, kl2 */
	subl(8) = kll; subr(8) = klr;
	subl(9) = krl; subr(9) = krr;
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
	/* k9 */
	subl(12) = kll; subr(12) = klr;
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
	/* k11, k12 */
	subl(14) = kll; subr(14) = klr;
	subl(15) = krl; subr(15) = krr;
	CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
	/* k15, k16 */
	subl(20) = kll; subr(20) = klr;
	subl(21) = krl; subr(21) = krr;
	CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
	/* kw3, kw4 */
	subl(24) = kll; subr(24) = klr;
	subl(25) = krl; subr(25) = krr;


	/* absorb kw2 to other subkeys */
/* round 2 */
	subl(3) ^= subl(1); subr(3) ^= subr(1);
/* round 4 */
	subl(5) ^= subl(1); subr(5) ^= subr(1);
/* round 6 */
	subl(7) ^= subl(1); subr(7) ^= subr(1);
	subl(1) ^= subr(1) & ~subr(9);
	dw = subl(1) & subl(9),
		subr(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */
/* round 8 */
	subl(11) ^= subl(1); subr(11) ^= subr(1);
/* round 10 */
	subl(13) ^= subl(1); subr(13) ^= subr(1);
/* round 12 */
	subl(15) ^= subl(1); subr(15) ^= subr(1);
	subl(1) ^= subr(1) & ~subr(17);
	dw = subl(1) & subl(17),
		subr(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */
/* round 14 */
	subl(19) ^= subl(1); subr(19) ^= subr(1);
/* round 16 */
	subl(21) ^= subl(1); subr(21) ^= subr(1);
/* round 18 */
	subl(23) ^= subl(1); subr(23) ^= subr(1);
/* kw3 */
	subl(24) ^= subl(1); subr(24) ^= subr(1);

	/* absorb kw4 to other subkeys */
	kw4l = subl(25); kw4r = subr(25);
/* round 17 */
	subl(22) ^= kw4l; subr(22) ^= kw4r;
/* round 15 */
	subl(20) ^= kw4l; subr(20) ^= kw4r;
/* round 13 */
	subl(18) ^= kw4l; subr(18) ^= kw4r;
	kw4l ^= kw4r & ~subr(16);
	dw = kw4l & subl(16),
		kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */
/* round 11 */
	subl(14) ^= kw4l; subr(14) ^= kw4r;
/* round 9 */
	subl(12) ^= kw4l; subr(12) ^= kw4r;
/* round 7 */
	subl(10) ^= kw4l; subr(10) ^= kw4r;
	kw4l ^= kw4r & ~subr(8);
	dw = kw4l & subl(8),
		kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */
/* round 5 */
	subl(6) ^= kw4l; subr(6) ^= kw4r;
/* round 3 */
	subl(4) ^= kw4l; subr(4) ^= kw4r;
/* round 1 */
	subl(2) ^= kw4l; subr(2) ^= kw4r;
/* kw1 */
	subl(0) ^= kw4l; subr(0) ^= kw4r;


	/* key XOR is end of F-function */
	CamelliaSubkeyL(0) = subl(0) ^ subl(2);/* kw1 */
	CamelliaSubkeyR(0) = subr(0) ^ subr(2);
	CamelliaSubkeyL(2) = subl(3);       /* round 1 */
	CamelliaSubkeyR(2) = subr(3);
	CamelliaSubkeyL(3) = subl(2) ^ subl(4); /* round 2 */
	CamelliaSubkeyR(3) = subr(2) ^ subr(4);
	CamelliaSubkeyL(4) = subl(3) ^ subl(5); /* round 3 */
	CamelliaSubkeyR(4) = subr(3) ^ subr(5);
	CamelliaSubkeyL(5) = subl(4) ^ subl(6); /* round 4 */
	CamelliaSubkeyR(5) = subr(4) ^ subr(6);
	CamelliaSubkeyL(6) = subl(5) ^ subl(7); /* round 5 */
	CamelliaSubkeyR(6) = subr(5) ^ subr(7);
	tl = subl(10) ^ (subr(10) & ~subr(8));
	dw = tl & subl(8),  /* FL(kl1) */
		tr = subr(10) ^ CAMELLIA_RL1(dw);
	CamelliaSubkeyL(7) = subl(6) ^ tl; /* round 6 */
	CamelliaSubkeyR(7) = subr(6) ^ tr;
	CamelliaSubkeyL(8) = subl(8);       /* FL(kl1) */
	CamelliaSubkeyR(8) = subr(8);
	CamelliaSubkeyL(9) = subl(9);       /* FLinv(kl2) */
	CamelliaSubkeyR(9) = subr(9);
	tl = subl(7) ^ (subr(7) & ~subr(9));
	dw = tl & subl(9),  /* FLinv(kl2) */
		tr = subr(7) ^ CAMELLIA_RL1(dw);
	CamelliaSubkeyL(10) = tl ^ subl(11); /* round 7 */
	CamelliaSubkeyR(10) = tr ^ subr(11);
	CamelliaSubkeyL(11) = subl(10) ^ subl(12); /* round 8 */
	CamelliaSubkeyR(11) = subr(10) ^ subr(12);
	CamelliaSubkeyL(12) = subl(11) ^ subl(13); /* round 9 */
	CamelliaSubkeyR(12) = subr(11) ^ subr(13);
	CamelliaSubkeyL(13) = subl(12) ^ subl(14); /* round 10 */
	CamelliaSubkeyR(13) = subr(12) ^ subr(14);
	CamelliaSubkeyL(14) = subl(13) ^ subl(15); /* round 11 */
	CamelliaSubkeyR(14) = subr(13) ^ subr(15);
	tl = subl(18) ^ (subr(18) & ~subr(16));
	dw = tl & subl(16), /* FL(kl3) */
		tr = subr(18) ^ CAMELLIA_RL1(dw);
	CamelliaSubkeyL(15) = subl(14) ^ tl; /* round 12 */
	CamelliaSubkeyR(15) = subr(14) ^ tr;
	CamelliaSubkeyL(16) = subl(16);     /* FL(kl3) */
	CamelliaSubkeyR(16) = subr(16);
	CamelliaSubkeyL(17) = subl(17);     /* FLinv(kl4) */
	CamelliaSubkeyR(17) = subr(17);
	tl = subl(15) ^ (subr(15) & ~subr(17));
	dw = tl & subl(17), /* FLinv(kl4) */
		tr = subr(15) ^ CAMELLIA_RL1(dw);
	CamelliaSubkeyL(18) = tl ^ subl(19); /* round 13 */
	CamelliaSubkeyR(18) = tr ^ subr(19);
	CamelliaSubkeyL(19) = subl(18) ^ subl(20); /* round 14 */
	CamelliaSubkeyR(19) = subr(18) ^ subr(20);
	CamelliaSubkeyL(20) = subl(19) ^ subl(21); /* round 15 */
	CamelliaSubkeyR(20) = subr(19) ^ subr(21);
	CamelliaSubkeyL(21) = subl(20) ^ subl(22); /* round 16 */
	CamelliaSubkeyR(21) = subr(20) ^ subr(22);
	CamelliaSubkeyL(22) = subl(21) ^ subl(23); /* round 17 */
	CamelliaSubkeyR(22) = subr(21) ^ subr(23);
	CamelliaSubkeyL(23) = subl(22);     /* round 18 */
	CamelliaSubkeyR(23) = subr(22);
	CamelliaSubkeyL(24) = subl(24) ^ subl(23); /* kw3 */
	CamelliaSubkeyR(24) = subr(24) ^ subr(23);

	/* apply the inverse of the last half of P-function */
	dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2),
		dw = CAMELLIA_RL8(dw);/* round 1 */
	CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw,
		CamelliaSubkeyL(2) = dw;
	dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3),
		dw = CAMELLIA_RL8(dw);/* round 2 */
	CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw,
		CamelliaSubkeyL(3) = dw;
	dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4),
		dw = CAMELLIA_RL8(dw);/* round 3 */
	CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw,
		CamelliaSubkeyL(4) = dw;
	dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5),
		dw = CAMELLIA_RL8(dw);/* round 4 */
	CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw,
		CamelliaSubkeyL(5) = dw;
	dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6),
		dw = CAMELLIA_RL8(dw);/* round 5 */
	CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw,
		CamelliaSubkeyL(6) = dw;
	dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7),
		dw = CAMELLIA_RL8(dw);/* round 6 */
	CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw,
		CamelliaSubkeyL(7) = dw;
	dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10),
		dw = CAMELLIA_RL8(dw);/* round 7 */
	CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw,
		CamelliaSubkeyL(10) = dw;
	dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11),
		dw = CAMELLIA_RL8(dw);/* round 8 */
	CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw,
		CamelliaSubkeyL(11) = dw;
	dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12),
		dw = CAMELLIA_RL8(dw);/* round 9 */
	CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw,
		CamelliaSubkeyL(12) = dw;
	dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13),
		dw = CAMELLIA_RL8(dw);/* round 10 */
	CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw,
		CamelliaSubkeyL(13) = dw;
	dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14),
		dw = CAMELLIA_RL8(dw);/* round 11 */
	CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw,
		CamelliaSubkeyL(14) = dw;
	dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15),
		dw = CAMELLIA_RL8(dw);/* round 12 */
	CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw,
		CamelliaSubkeyL(15) = dw;
	dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18),
		dw = CAMELLIA_RL8(dw);/* round 13 */
	CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw,
		CamelliaSubkeyL(18) = dw;
	dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19),
		dw = CAMELLIA_RL8(dw);/* round 14 */
	CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw,
		CamelliaSubkeyL(19) = dw;
	dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20),
		dw = CAMELLIA_RL8(dw);/* round 15 */
	CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw,
		CamelliaSubkeyL(20) = dw;
	dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21),
		dw = CAMELLIA_RL8(dw);/* round 16 */
	CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw,
		CamelliaSubkeyL(21) = dw;
	dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22),
		dw = CAMELLIA_RL8(dw);/* round 17 */
	CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw,
		CamelliaSubkeyL(22) = dw;
	dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23),
		dw = CAMELLIA_RL8(dw);/* round 18 */
	CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw,
		CamelliaSubkeyL(23) = dw;

	return;
	}

void camellia_setup256(const u8 *key, u32 *subkey)
	{
	u32 kll,klr,krl,krr;           /* left half of key */
	u32 krll,krlr,krrl,krrr;       /* right half of key */
	u32 il, ir, t0, t1, w0, w1;    /* temporary variables */
	u32 kw4l, kw4r, dw, tl, tr;
	u32 subL[34];
	u32 subR[34];

	/**
	 *  key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
	 *  (|| is concatination)
	 */

	kll  = GETU32(key     );
	klr  = GETU32(key +  4);
	krl  = GETU32(key +  8);
	krr  = GETU32(key + 12);
	krll = GETU32(key + 16);
	krlr = GETU32(key + 20);
	krrl = GETU32(key + 24);
	krrr = GETU32(key + 28);

	/* generate KL dependent subkeys */
	/* kw1 */
	subl(0) = kll; subr(0) = klr;
	/* kw2 */
	subl(1) = krl; subr(1) = krr;
	CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
	/* k9 */
	subl(12) = kll; subr(12) = klr;
	/* k10 */
	subl(13) = krl; subr(13) = krr;