sosemanuk.cpp

来自「加密crypto dll 5.1 des 3des」· C++ 代码 · 共 679 行 · 第 1/2 页

// sosemanuk.cpp - written and placed in the public domain by Wei Dai

#include "pch.h"
#include "sosemanuk.h"
#include "misc.h"
#include "cpu.h"

#include "serpentp.h"

NAMESPACE_BEGIN(CryptoPP)

void SosemanukPolicy::CipherSetKey(const NameValuePairs &params, const byte *userKey, size_t keylen)
{
	Serpent_KeySchedule(m_key, 24, userKey, keylen);
}

void SosemanukPolicy::CipherResynchronize(byte *keystreamBuffer, const byte *iv)
{
	word32 a, b, c, d, e;
	
	typedef BlockGetAndPut<word32, LittleEndian> Block;
	Block::Get(iv)(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);
		if (i == 3)	// after 18th round
		{
			m_state[4] = b;
			m_state[5] = e;
			m_state[10] = c;
			m_state[11] = a;
		}
		afterS1(KX); afterS1(S2); afterS2(LT);
		afterS2(KX); afterS2(S3); afterS3(LT);
		if (i == 2)	// after 12th round
		{
			m_state[6] = c;
			m_state[7] = d;
			m_state[8] = b;
			m_state[9] = e;
		}
		afterS3(KX); afterS3(S4); afterS4(LT);
		afterS4(KX); afterS4(S5); afterS5(LT);
		afterS5(KX); afterS5(S6); afterS6(LT);
		afterS6(KX); afterS6(S7); afterS7(LT);

		if (i == 3)
			break;

		++i;
		c = b;
		b = e;
		e = d;
		d = a;
		a = e;
		k += 32;
	}
	while (true);

	afterS7(KX);

	m_state[0] = a;
	m_state[1] = b;
	m_state[2] = e;
	m_state[3] = d;

#define XMUX(c, x, y)   (x ^ (y & (0 - (c & 1))))
	m_state[11] += XMUX(m_state[10], m_state[1], m_state[8]);
	m_state[10] = rotlFixed(m_state[10] * 0x54655307, 7);
}

static word32 s_mulTables[512] = {
#if CRYPTOPP_BOOL_X86 | CRYPTOPP_BOOL_X64
	0x00000000, 0xE19FCF12, 0x6B973724, 0x8A08F836, 
	0xD6876E48, 0x3718A15A, 0xBD10596C, 0x5C8F967E, 
	0x05A7DC90, 0xE4381382, 0x6E30EBB4, 0x8FAF24A6, 
	0xD320B2D8, 0x32BF7DCA, 0xB8B785FC, 0x59284AEE, 
	0x0AE71189, 0xEB78DE9B, 0x617026AD, 0x80EFE9BF, 
	0xDC607FC1, 0x3DFFB0D3, 0xB7F748E5, 0x566887F7, 
	0x0F40CD19, 0xEEDF020B, 0x64D7FA3D, 0x8548352F, 
	0xD9C7A351, 0x38586C43, 0xB2509475, 0x53CF5B67, 
	0x146722BB, 0xF5F8EDA9, 0x7FF0159F, 0x9E6FDA8D, 
	0xC2E04CF3, 0x237F83E1, 0xA9777BD7, 0x48E8B4C5, 
	0x11C0FE2B, 0xF05F3139, 0x7A57C90F, 0x9BC8061D, 
	0xC7479063, 0x26D85F71, 0xACD0A747, 0x4D4F6855, 
	0x1E803332, 0xFF1FFC20, 0x75170416, 0x9488CB04, 
	0xC8075D7A, 0x29989268, 0xA3906A5E, 0x420FA54C, 
	0x1B27EFA2, 0xFAB820B0, 0x70B0D886, 0x912F1794, 
	0xCDA081EA, 0x2C3F4EF8, 0xA637B6CE, 0x47A879DC, 
	0x28CE44DF, 0xC9518BCD, 0x435973FB, 0xA2C6BCE9, 
	0xFE492A97, 0x1FD6E585, 0x95DE1DB3, 0x7441D2A1, 
	0x2D69984F, 0xCCF6575D, 0x46FEAF6B, 0xA7616079, 
	0xFBEEF607, 0x1A713915, 0x9079C123, 0x71E60E31, 
	0x22295556, 0xC3B69A44, 0x49BE6272, 0xA821AD60, 
	0xF4AE3B1E, 0x1531F40C, 0x9F390C3A, 0x7EA6C328, 
	0x278E89C6, 0xC61146D4, 0x4C19BEE2, 0xAD8671F0, 
	0xF109E78E, 0x1096289C, 0x9A9ED0AA, 0x7B011FB8, 
	0x3CA96664, 0xDD36A976, 0x573E5140, 0xB6A19E52, 
	0xEA2E082C, 0x0BB1C73E, 0x81B93F08, 0x6026F01A, 
	0x390EBAF4, 0xD89175E6, 0x52998DD0, 0xB30642C2, 
	0xEF89D4BC, 0x0E161BAE, 0x841EE398, 0x65812C8A, 
	0x364E77ED, 0xD7D1B8FF, 0x5DD940C9, 0xBC468FDB, 
	0xE0C919A5, 0x0156D6B7, 0x8B5E2E81, 0x6AC1E193, 
	0x33E9AB7D, 0xD276646F, 0x587E9C59, 0xB9E1534B, 
	0xE56EC535, 0x04F10A27, 0x8EF9F211, 0x6F663D03, 
	0x50358817, 0xB1AA4705, 0x3BA2BF33, 0xDA3D7021, 
	0x86B2E65F, 0x672D294D, 0xED25D17B, 0x0CBA1E69, 
	0x55925487, 0xB40D9B95, 0x3E0563A3, 0xDF9AACB1, 
	0x83153ACF, 0x628AF5DD, 0xE8820DEB, 0x091DC2F9, 
	0x5AD2999E, 0xBB4D568C, 0x3145AEBA, 0xD0DA61A8, 
	0x8C55F7D6, 0x6DCA38C4, 0xE7C2C0F2, 0x065D0FE0, 
	0x5F75450E, 0xBEEA8A1C, 0x34E2722A, 0xD57DBD38, 
	0x89F22B46, 0x686DE454, 0xE2651C62, 0x03FAD370, 
	0x4452AAAC, 0xA5CD65BE, 0x2FC59D88, 0xCE5A529A, 
	0x92D5C4E4, 0x734A0BF6, 0xF942F3C0, 0x18DD3CD2, 
	0x41F5763C, 0xA06AB92E, 0x2A624118, 0xCBFD8E0A, 
	0x97721874, 0x76EDD766, 0xFCE52F50, 0x1D7AE042, 
	0x4EB5BB25, 0xAF2A7437, 0x25228C01, 0xC4BD4313, 
	0x9832D56D, 0x79AD1A7F, 0xF3A5E249, 0x123A2D5B, 
	0x4B1267B5, 0xAA8DA8A7, 0x20855091, 0xC11A9F83, 
	0x9D9509FD, 0x7C0AC6EF, 0xF6023ED9, 0x179DF1CB, 
	0x78FBCCC8, 0x996403DA, 0x136CFBEC, 0xF2F334FE, 
	0xAE7CA280, 0x4FE36D92, 0xC5EB95A4, 0x24745AB6, 
	0x7D5C1058, 0x9CC3DF4A, 0x16CB277C, 0xF754E86E, 
	0xABDB7E10, 0x4A44B102, 0xC04C4934, 0x21D38626, 
	0x721CDD41, 0x93831253, 0x198BEA65, 0xF8142577, 
	0xA49BB309, 0x45047C1B, 0xCF0C842D, 0x2E934B3F, 
	0x77BB01D1, 0x9624CEC3, 0x1C2C36F5, 0xFDB3F9E7, 
	0xA13C6F99, 0x40A3A08B, 0xCAAB58BD, 0x2B3497AF, 
	0x6C9CEE73, 0x8D032161, 0x070BD957, 0xE6941645, 
	0xBA1B803B, 0x5B844F29, 0xD18CB71F, 0x3013780D, 
	0x693B32E3, 0x88A4FDF1, 0x02AC05C7, 0xE333CAD5, 
	0xBFBC5CAB, 0x5E2393B9, 0xD42B6B8F, 0x35B4A49D, 
	0x667BFFFA, 0x87E430E8, 0x0DECC8DE, 0xEC7307CC, 
	0xB0FC91B2, 0x51635EA0, 0xDB6BA696, 0x3AF46984, 
	0x63DC236A, 0x8243EC78, 0x084B144E, 0xE9D4DB5C, 
	0xB55B4D22, 0x54C48230, 0xDECC7A06, 0x3F53B514,
#else
	0x00000000, 0xE19FCF13, 0x6B973726, 0x8A08F835,
	0xD6876E4C, 0x3718A15F, 0xBD10596A, 0x5C8F9679,
	0x05A7DC98, 0xE438138B, 0x6E30EBBE, 0x8FAF24AD,
	0xD320B2D4, 0x32BF7DC7, 0xB8B785F2, 0x59284AE1,
	0x0AE71199, 0xEB78DE8A, 0x617026BF, 0x80EFE9AC,
	0xDC607FD5, 0x3DFFB0C6, 0xB7F748F3, 0x566887E0,
	0x0F40CD01, 0xEEDF0212, 0x64D7FA27, 0x85483534,
	0xD9C7A34D, 0x38586C5E, 0xB250946B, 0x53CF5B78,
	0x1467229B, 0xF5F8ED88, 0x7FF015BD, 0x9E6FDAAE,
	0xC2E04CD7, 0x237F83C4, 0xA9777BF1, 0x48E8B4E2,
	0x11C0FE03, 0xF05F3110, 0x7A57C925, 0x9BC80636,
	0xC747904F, 0x26D85F5C, 0xACD0A769, 0x4D4F687A,
	0x1E803302, 0xFF1FFC11, 0x75170424, 0x9488CB37,
	0xC8075D4E, 0x2998925D, 0xA3906A68, 0x420FA57B,
	0x1B27EF9A, 0xFAB82089, 0x70B0D8BC, 0x912F17AF,
	0xCDA081D6, 0x2C3F4EC5, 0xA637B6F0, 0x47A879E3,
	0x28CE449F, 0xC9518B8C, 0x435973B9, 0xA2C6BCAA,
	0xFE492AD3, 0x1FD6E5C0, 0x95DE1DF5, 0x7441D2E6,
	0x2D699807, 0xCCF65714, 0x46FEAF21, 0xA7616032,
	0xFBEEF64B, 0x1A713958, 0x9079C16D, 0x71E60E7E,
	0x22295506, 0xC3B69A15, 0x49BE6220, 0xA821AD33,
	0xF4AE3B4A, 0x1531F459, 0x9F390C6C, 0x7EA6C37F,
	0x278E899E, 0xC611468D, 0x4C19BEB8, 0xAD8671AB,
	0xF109E7D2, 0x109628C1, 0x9A9ED0F4, 0x7B011FE7,
	0x3CA96604, 0xDD36A917, 0x573E5122, 0xB6A19E31,
	0xEA2E0848, 0x0BB1C75B, 0x81B93F6E, 0x6026F07D,
	0x390EBA9C, 0xD891758F, 0x52998DBA, 0xB30642A9,
	0xEF89D4D0, 0x0E161BC3, 0x841EE3F6, 0x65812CE5,
	0x364E779D, 0xD7D1B88E, 0x5DD940BB, 0xBC468FA8,
	0xE0C919D1, 0x0156D6C2, 0x8B5E2EF7, 0x6AC1E1E4,
	0x33E9AB05, 0xD2766416, 0x587E9C23, 0xB9E15330,
	0xE56EC549, 0x04F10A5A, 0x8EF9F26F, 0x6F663D7C,
	0x50358897, 0xB1AA4784, 0x3BA2BFB1, 0xDA3D70A2,
	0x86B2E6DB, 0x672D29C8, 0xED25D1FD, 0x0CBA1EEE,
	0x5592540F, 0xB40D9B1C, 0x3E056329, 0xDF9AAC3A,
	0x83153A43, 0x628AF550, 0xE8820D65, 0x091DC276,
	0x5AD2990E, 0xBB4D561D, 0x3145AE28, 0xD0DA613B,
	0x8C55F742, 0x6DCA3851, 0xE7C2C064, 0x065D0F77,
	0x5F754596, 0xBEEA8A85, 0x34E272B0, 0xD57DBDA3,
	0x89F22BDA, 0x686DE4C9, 0xE2651CFC, 0x03FAD3EF,
	0x4452AA0C, 0xA5CD651F, 0x2FC59D2A, 0xCE5A5239,
	0x92D5C440, 0x734A0B53, 0xF942F366, 0x18DD3C75,
	0x41F57694, 0xA06AB987, 0x2A6241B2, 0xCBFD8EA1,
	0x977218D8, 0x76EDD7CB, 0xFCE52FFE, 0x1D7AE0ED,
	0x4EB5BB95, 0xAF2A7486, 0x25228CB3, 0xC4BD43A0,
	0x9832D5D9, 0x79AD1ACA, 0xF3A5E2FF, 0x123A2DEC,
	0x4B12670D, 0xAA8DA81E, 0x2085502B, 0xC11A9F38,
	0x9D950941, 0x7C0AC652, 0xF6023E67, 0x179DF174,
	0x78FBCC08, 0x9964031B, 0x136CFB2E, 0xF2F3343D,
	0xAE7CA244, 0x4FE36D57, 0xC5EB9562, 0x24745A71,
	0x7D5C1090, 0x9CC3DF83, 0x16CB27B6, 0xF754E8A5,
	0xABDB7EDC, 0x4A44B1CF, 0xC04C49FA, 0x21D386E9,
	0x721CDD91, 0x93831282, 0x198BEAB7, 0xF81425A4,
	0xA49BB3DD, 0x45047CCE, 0xCF0C84FB, 0x2E934BE8,
	0x77BB0109, 0x9624CE1A, 0x1C2C362F, 0xFDB3F93C,
	0xA13C6F45, 0x40A3A056, 0xCAAB5863, 0x2B349770,
	0x6C9CEE93, 0x8D032180, 0x070BD9B5, 0xE69416A6,
	0xBA1B80DF, 0x5B844FCC, 0xD18CB7F9, 0x301378EA,
	0x693B320B, 0x88A4FD18, 0x02AC052D, 0xE333CA3E,
	0xBFBC5C47, 0x5E239354, 0xD42B6B61, 0x35B4A472,
	0x667BFF0A, 0x87E43019, 0x0DECC82C, 0xEC73073F,
	0xB0FC9146, 0x51635E55, 0xDB6BA660, 0x3AF46973,
	0x63DC2392, 0x8243EC81, 0x084B14B4, 0xE9D4DBA7,
	0xB55B4DDE, 0x54C482CD, 0xDECC7AF8, 0x3F53B5EB,
#endif
	0x00000000, 0x180F40CD, 0x301E8033, 0x2811C0FE,
	0x603CA966, 0x7833E9AB, 0x50222955, 0x482D6998,
	0xC078FBCC, 0xD877BB01, 0xF0667BFF, 0xE8693B32,
	0xA04452AA, 0xB84B1267, 0x905AD299, 0x88559254,
	0x29F05F31, 0x31FF1FFC, 0x19EEDF02, 0x01E19FCF,
	0x49CCF657, 0x51C3B69A, 0x79D27664, 0x61DD36A9,
	0xE988A4FD, 0xF187E430, 0xD99624CE, 0xC1996403,
	0x89B40D9B, 0x91BB4D56, 0xB9AA8DA8, 0xA1A5CD65,
	0x5249BE62, 0x4A46FEAF, 0x62573E51, 0x7A587E9C,
	0x32751704, 0x2A7A57C9, 0x026B9737, 0x1A64D7FA,
	0x923145AE, 0x8A3E0563, 0xA22FC59D, 0xBA208550,
	0xF20DECC8, 0xEA02AC05, 0xC2136CFB, 0xDA1C2C36,
	0x7BB9E153, 0x63B6A19E, 0x4BA76160, 0x53A821AD,
	0x1B854835, 0x038A08F8, 0x2B9BC806, 0x339488CB,
	0xBBC11A9F, 0xA3CE5A52, 0x8BDF9AAC, 0x93D0DA61,
	0xDBFDB3F9, 0xC3F2F334, 0xEBE333CA, 0xF3EC7307,
	0xA492D5C4, 0xBC9D9509, 0x948C55F7, 0x8C83153A,
	0xC4AE7CA2, 0xDCA13C6F, 0xF4B0FC91, 0xECBFBC5C,
	0x64EA2E08, 0x7CE56EC5, 0x54F4AE3B, 0x4CFBEEF6,
	0x04D6876E, 0x1CD9C7A3, 0x34C8075D, 0x2CC74790,
	0x8D628AF5, 0x956DCA38, 0xBD7C0AC6, 0xA5734A0B,
	0xED5E2393, 0xF551635E, 0xDD40A3A0, 0xC54FE36D,
	0x4D1A7139, 0x551531F4, 0x7D04F10A, 0x650BB1C7,
	0x2D26D85F, 0x35299892, 0x1D38586C, 0x053718A1,
	0xF6DB6BA6, 0xEED42B6B, 0xC6C5EB95, 0xDECAAB58,
	0x96E7C2C0, 0x8EE8820D, 0xA6F942F3, 0xBEF6023E,
	0x36A3906A, 0x2EACD0A7, 0x06BD1059, 0x1EB25094,
	0x569F390C, 0x4E9079C1, 0x6681B93F, 0x7E8EF9F2,
	0xDF2B3497, 0xC724745A, 0xEF35B4A4, 0xF73AF469,
	0xBF179DF1, 0xA718DD3C, 0x8F091DC2, 0x97065D0F,
	0x1F53CF5B, 0x075C8F96, 0x2F4D4F68, 0x37420FA5,
	0x7F6F663D, 0x676026F0, 0x4F71E60E, 0x577EA6C3,
	0xE18D0321, 0xF98243EC, 0xD1938312, 0xC99CC3DF,
	0x81B1AA47, 0x99BEEA8A, 0xB1AF2A74, 0xA9A06AB9,
	0x21F5F8ED, 0x39FAB820, 0x11EB78DE, 0x09E43813,
	0x41C9518B, 0x59C61146, 0x71D7D1B8, 0x69D89175,
	0xC87D5C10, 0xD0721CDD, 0xF863DC23, 0xE06C9CEE,
	0xA841F576, 0xB04EB5BB, 0x985F7545, 0x80503588,
	0x0805A7DC, 0x100AE711, 0x381B27EF, 0x20146722,
	0x68390EBA, 0x70364E77, 0x58278E89, 0x4028CE44,
	0xB3C4BD43, 0xABCBFD8E, 0x83DA3D70, 0x9BD57DBD,
	0xD3F81425, 0xCBF754E8, 0xE3E69416, 0xFBE9D4DB,
	0x73BC468F, 0x6BB30642, 0x43A2C6BC, 0x5BAD8671,
	0x1380EFE9, 0x0B8FAF24, 0x239E6FDA, 0x3B912F17,
	0x9A34E272, 0x823BA2BF, 0xAA2A6241, 0xB225228C,
	0xFA084B14, 0xE2070BD9, 0xCA16CB27, 0xD2198BEA,
	0x5A4C19BE, 0x42435973, 0x6A52998D, 0x725DD940,
	0x3A70B0D8, 0x227FF015, 0x0A6E30EB, 0x12617026,
	0x451FD6E5, 0x5D109628, 0x750156D6, 0x6D0E161B,
	0x25237F83, 0x3D2C3F4E, 0x153DFFB0, 0x0D32BF7D,
	0x85672D29, 0x9D686DE4, 0xB579AD1A, 0xAD76EDD7,
	0xE55B844F, 0xFD54C482, 0xD545047C, 0xCD4A44B1,
	0x6CEF89D4, 0x74E0C919, 0x5CF109E7, 0x44FE492A,
	0x0CD320B2, 0x14DC607F, 0x3CCDA081, 0x24C2E04C,
	0xAC977218, 0xB49832D5, 0x9C89F22B, 0x8486B2E6,
	0xCCABDB7E, 0xD4A49BB3, 0xFCB55B4D, 0xE4BA1B80,
	0x17566887, 0x0F59284A, 0x2748E8B4, 0x3F47A879,
	0x776AC1E1, 0x6F65812C, 0x477441D2, 0x5F7B011F,
	0xD72E934B, 0xCF21D386, 0xE7301378, 0xFF3F53B5,
	0xB7123A2D, 0xAF1D7AE0, 0x870CBA1E, 0x9F03FAD3,
	0x3EA637B6, 0x26A9777B, 0x0EB8B785, 0x16B7F748,
	0x5E9A9ED0, 0x4695DE1D, 0x6E841EE3, 0x768B5E2E,
	0xFEDECC7A, 0xE6D18CB7, 0xCEC04C49, 0xD6CF0C84,
	0x9EE2651C, 0x86ED25D1, 0xAEFCE52F, 0xB6F3A5E2
};


#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64
unsigned int SosemanukPolicy::GetAlignment() const
{
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
#ifdef __INTEL_COMPILER
	if (HasSSE2() && !IsP4())	// Intel compiler produces faster code for this algorithm on the P4
#else
	if (HasSSE2())
#endif
		return 16;
	else
#endif
		return 1;
}

unsigned int SosemanukPolicy::GetOptimalBlockSize() const
{
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
#ifdef __INTEL_COMPILER
	if (HasSSE2() && !IsP4())	// Intel compiler produces faster code for this algorithm on the P4
#else
	if (HasSSE2())
#endif
		return 4*BYTES_PER_ITERATION;
	else
#endif
		return BYTES_PER_ITERATION;
}
#endif

#pragma warning(disable: 4731)	// frame pointer register 'ebp' modified by inline assembly code

void SosemanukPolicy::OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount)
{
#if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE
#ifdef __INTEL_COMPILER
	if (HasSSE2() && !IsP4())	// Intel compiler produces faster code for this algorithm on the P4
#else
	if (HasSSE2())
#endif
	{
#ifdef __GNUC__
		__asm__ __volatile__
		(
		".intel_syntax noprefix;"
		AS_PUSH(		bx)
#else
		word32 *state = m_state;
		AS2(	mov		WORD_REG(ax), state)
		AS2(	mov		WORD_REG(di), output)
		AS2(	mov		WORD_REG(dx), input)
		AS2(	mov		WORD_REG(cx), iterationCount)
#endif

#define SSE2_output			WORD_PTR [WORD_REG(sp)+1*WORD_SZ]
#define SSE2_input			WORD_PTR [WORD_REG(sp)+2*WORD_SZ]
#define SSE2_wordsLeft		WORD_PTR [WORD_REG(sp)+3*WORD_SZ]
#define SSE2_diEnd			WORD_PTR [WORD_REG(sp)+4*WORD_SZ]
#define SSE2_pMulTables		WORD_PTR [WORD_REG(sp)+5*WORD_SZ]
#define SSE2_state			WORD_PTR [WORD_REG(sp)+6*WORD_SZ]
#define SSE2_wordsLeft2		WORD_PTR [WORD_REG(sp)+7*WORD_SZ]
#define SSE2_stateCopy		WORD_REG(sp) + 8*WORD_SZ
#define	SSE2_uvStart		SSE2_stateCopy + 12*4

		AS_PUSH(		bp)