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author briantro <briantro@users.noreply.github.com>2015-08-31 16:12:22 -0500
committer briantro <briantro@users.noreply.github.com>2015-08-31 16:12:22 -0500
commitf9d6bcb690bac1cecff7ef99070a7c3dfce30a33 (patch)
treea9c7482c3661553c286899ed33b12e633a5151f1 /3rdparty/unittest-cpp/tests/TestUnitTestPP.cpp
parentbdf38d1f86da67519dfed3683aa8010fc627ad31 (diff)
deco32.c: Fix Cut-N-Paste issue - NW
Diffstat (limited to '3rdparty/unittest-cpp/tests/TestUnitTestPP.cpp')
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/* Aes.c -- AES encryption / decryption
2009-11-23 : Igor Pavlov : Public domain */

#include "Aes.h"
#include "CpuArch.h"

static UInt32 T[256 * 4];
static Byte Sbox[256] = {
	0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
	0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
	0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
	0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
	0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
	0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
	0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
	0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
	0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
	0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
	0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
	0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
	0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
	0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
	0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
	0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16};

void MY_FAST_CALL AesCbc_Encode(UInt32 *ivAes, Byte *data, size_t numBlocks);
void MY_FAST_CALL AesCbc_Decode(UInt32 *ivAes, Byte *data, size_t numBlocks);
void MY_FAST_CALL AesCtr_Code(UInt32 *ivAes, Byte *data, size_t numBlocks);

void MY_FAST_CALL AesCbc_Encode_Intel(UInt32 *ivAes, Byte *data, size_t numBlocks);
void MY_FAST_CALL AesCbc_Decode_Intel(UInt32 *ivAes, Byte *data, size_t numBlocks);
void MY_FAST_CALL AesCtr_Code_Intel(UInt32 *ivAes, Byte *data, size_t numBlocks);

AES_CODE_FUNC g_AesCbc_Encode;
AES_CODE_FUNC g_AesCbc_Decode;
AES_CODE_FUNC g_AesCtr_Code;

static UInt32 D[256 * 4];
static Byte InvS[256];

static Byte Rcon[11] = { 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36 };

#define xtime(x) ((((x) << 1) ^ (((x) & 0x80) != 0 ? 0x1B : 0)) & 0xFF)

#define Ui32(a0, a1, a2, a3) ((UInt32)(a0) | ((UInt32)(a1) << 8) | ((UInt32)(a2) << 16) | ((UInt32)(a3) << 24))

#define gb0(x) ( (x)          & 0xFF)
#define gb1(x) (((x) >> ( 8)) & 0xFF)
#define gb2(x) (((x) >> (16)) & 0xFF)
#define gb3(x) (((x) >> (24)) & 0xFF)

void AesGenTables(void)
{
	unsigned i;
	for (i = 0; i < 256; i++)
	InvS[Sbox[i]] = (Byte)i;
	for (i = 0; i < 256; i++)
	{
	{
		UInt32 a1 = Sbox[i];
		UInt32 a2 = xtime(a1);
		UInt32 a3 = a2 ^ a1;
		T[        i] = Ui32(a2, a1, a1, a3);
		T[0x100 + i] = Ui32(a3, a2, a1, a1);
		T[0x200 + i] = Ui32(a1, a3, a2, a1);
		T[0x300 + i] = Ui32(a1, a1, a3, a2);
	}
	{
		UInt32 a1 = InvS[i];
		UInt32 a2 = xtime(a1);
		UInt32 a4 = xtime(a2);
		UInt32 a8 = xtime(a4);
		UInt32 a9 = a8 ^ a1;
		UInt32 aB = a8 ^ a2 ^ a1;
		UInt32 aD = a8 ^ a4 ^ a1;
		UInt32 aE = a8 ^ a4 ^ a2;
		D[        i] = Ui32(aE, a9, aD, aB);
		D[0x100 + i] = Ui32(aB, aE, a9, aD);
		D[0x200 + i] = Ui32(aD, aB, aE, a9);
		D[0x300 + i] = Ui32(a9, aD, aB, aE);
	}
	}
	g_AesCbc_Encode = AesCbc_Encode;
	g_AesCbc_Decode = AesCbc_Decode;
	g_AesCtr_Code = AesCtr_Code;
	#ifdef MY_CPU_X86_OR_AMD64
	if (CPU_Is_Aes_Supported())
	{
	g_AesCbc_Encode = AesCbc_Encode_Intel;
	g_AesCbc_Decode = AesCbc_Decode_Intel;
	g_AesCtr_Code = AesCtr_Code_Intel;
	}
	#endif
}

#define HT(i, x, s) (T + (x << 8))[gb ## x(s[(i + x) & 3])]
#define HT4(m, i, s, p) m[i] = \
	HT(i, 0, s) ^ \
	HT(i, 1, s) ^ \
	HT(i, 2, s) ^ \
	HT(i, 3, s) ^ w[p + i]
/* such order (2031) in HT16 is for VC6/K8 speed optimization) */
#define HT16(m, s, p) \
	HT4(m, 2, s, p); \
	HT4(m, 0, s, p); \
	HT4(m, 3, s, p); \
	HT4(m, 1, s, p);
#define FT(i, x) Sbox[gb ## x(m[(i + x) & 3])]
#define FT4(i) dest[i] = Ui32(FT(i, 0), FT(i, 1), FT(i, 2), FT(i, 3)) ^ w[i];

#define HD(i, x, s) (D + (x << 8))[gb ## x(s[(i - x) & 3])]
#define HD4(m, i, s, p) m[i] = \
	HD(i, 0, s) ^ \
	HD(i, 1, s) ^ \
	HD(i, 2, s) ^ \
	HD(i, 3, s) ^ w[p + i];
/* such order (0231) in HD16 is for VC6/K8 speed optimization) */
#define HD16(m, s, p) \
	HD4(m, 0, s, p); \
	HD4(m, 2, s, p); \
	HD4(m, 3, s, p); \
	HD4(m, 1, s, p);
#define FD(i, x) InvS[gb ## x(m[(i - x) & 3])]
#define FD4(i) dest[i] = Ui32(FD(i, 0), FD(i, 1), FD(i, 2), FD(i, 3)) ^ w[i];

void MY_FAST_CALL Aes_SetKey_Enc(UInt32 *w, const Byte *key, unsigned keySize)
{
	unsigned i, wSize;
	wSize = keySize + 28;
	keySize /= 4;
	w[0] = ((UInt32)keySize / 2) + 3;
	w += 4;

	for (i = 0; i < keySize; i++, key += 4)
	w[i] = GetUi32(key);

	for (; i < wSize; i++)
	{
	UInt32 t = w[i - 1];
	unsigned rem = i % keySize;
	if (rem == 0)
		t = Ui32(Sbox[gb1(t)] ^ Rcon[i / keySize], Sbox[gb2(t)], Sbox[gb3(t)], Sbox[gb0(t)]);
	else if (keySize > 6 && rem == 4)
		t = Ui32(Sbox[gb0(t)], Sbox[gb1(t)], Sbox[gb2(t)], Sbox[gb3(t)]);
	w[i] = w[i - keySize] ^ t;
	}
}

void MY_FAST_CALL Aes_SetKey_Dec(UInt32 *w, const Byte *key, unsigned keySize)
{
	unsigned i, num;
	Aes_SetKey_Enc(w, key, keySize);
	num = keySize + 20;
	w += 8;
	for (i = 0; i < num; i++)
	{
	UInt32 r = w[i];
	w[i] =
		D[        Sbox[gb0(r)]] ^
		D[0x100 + Sbox[gb1(r)]] ^
		D[0x200 + Sbox[gb2(r)]] ^
		D[0x300 + Sbox[gb3(r)]];
	}
}

/* Aes_Encode and Aes_Decode functions work with little-endian words.
  src and dest are pointers to 4 UInt32 words.
  arc and dest can point to same block */

static void Aes_Encode(const UInt32 *w, UInt32 *dest, const UInt32 *src)
{
	UInt32 s[4];
	UInt32 m[4];
	UInt32 numRounds2 = w[0];
	w += 4;
	s[0] = src[0] ^ w[0];
	s[1] = src[1] ^ w[1];
	s[2] = src[2] ^ w[2];
	s[3] = src[3] ^ w[3];
	w += 4;
	for (;;)
	{
	HT16(m, s, 0);
	if (--numRounds2 == 0)
		break;
	HT16(s, m, 4);
	w += 8;
	}
	w += 4;
	FT4(0); FT4(1); FT4(2); FT4(3);
}

static void Aes_Decode(const UInt32 *w, UInt32 *dest, const UInt32 *src)
{
	UInt32 s[4];
	UInt32 m[4];
	UInt32 numRounds2 = w[0];
	w += 4 + numRounds2 * 8;
	s[0] = src[0] ^ w[0];
	s[1] = src[1] ^ w[1];
	s[2] = src[2] ^ w[2];
	s[3] = src[3] ^ w[3];
	for (;;)
	{
	w -= 8;
	HD16(m, s, 4);
	if (--numRounds2 == 0)
		break;
	HD16(s, m, 0);
	}
	FD4(0); FD4(1); FD4(2); FD4(3);
}

void AesCbc_Init(UInt32 *p, const Byte *iv)
{
	unsigned i;
	for (i = 0; i < 4; i++)
	p[i] = GetUi32(iv + i * 4);
}

void MY_FAST_CALL AesCbc_Encode(UInt32 *p, Byte *data, size_t numBlocks)
{
	for (; numBlocks != 0; numBlocks--, data += AES_BLOCK_SIZE)
	{
	p[0] ^= GetUi32(data);
	p[1] ^= GetUi32(data + 4);
	p[2] ^= GetUi32(data + 8);
	p[3] ^= GetUi32(data + 12);

	Aes_Encode(p + 4, p, p);

	SetUi32(data,      p[0]);
	SetUi32(data + 4,  p[1]);
	SetUi32(data + 8,  p[2]);
	SetUi32(data + 12, p[3]);
	}
}

void MY_FAST_CALL AesCbc_Decode(UInt32 *p, Byte *data, size_t numBlocks)
{
	UInt32 in[4], out[4];
	for (; numBlocks != 0; numBlocks--, data += AES_BLOCK_SIZE)
	{
	in[0] = GetUi32(data);
	in[1] = GetUi32(data + 4);
	in[2] = GetUi32(data + 8);
	in[3] = GetUi32(data + 12);

	Aes_Decode(p + 4, out, in);

	SetUi32(data,      p[0] ^ out[0]);
	SetUi32(data + 4,  p[1] ^ out[1]);
	SetUi32(data + 8,  p[2] ^ out[2]);
	SetUi32(data + 12, p[3] ^ out[3]);

	p[0] = in[0];
	p[1] = in[1];
	p[2] = in[2];
	p[3] = in[3];
	}
}

void MY_FAST_CALL AesCtr_Code(UInt32 *p, Byte *data, size_t numBlocks)
{
	for (; numBlocks != 0; numBlocks--)
	{
	UInt32 temp[4];
	Byte buf[16];
	int i;
	if (++p[0] == 0)
		p[1]++;
	Aes_Encode(p + 4, temp, p);
	SetUi32(buf,      temp[0]);
	SetUi32(buf + 4,  temp[1]);
	SetUi32(buf + 8,  temp[2]);
	SetUi32(buf + 12, temp[3]);
	for (i = 0; i < 16; i++)
		*data++ ^= buf[i];
	}
}