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module-emulator-powervu.c
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module-emulator-powervu.c
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#define MODULE_LOG_PREFIX "emu"
#include "globals.h"
#ifdef WITH_EMU
#include "cscrypt/des.h"
#include "ffdecsa/ffdecsa.h"
#include "module-emulator-nemu.h"
#include "module-emulator-streamserver.h"
#include "module-emulator-powervu.h"
#include "ncam-string.h"
#include "ncam-time.h"
static inline uint8_t get_bit(uint8_t byte, uint8_t bitnb)
{
return ((byte & (1 << bitnb)) ? 1 : 0);
}
static inline uint8_t set_bit(uint8_t val, uint8_t bitnb, uint8_t biton)
{
return (biton ? (val | (1 << bitnb)) : (val & ~(1 << bitnb)));
}
static uint8_t crc8_calc(uint8_t *data, int len)
{
int i;
uint8_t crc = 0;
uint8_t crcTable[256] =
{
0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, 0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5, 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, 0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C, 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C, 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, 0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3
};
for (i = 0; i < len; i++)
{
crc = crcTable[data[i] ^ crc];
}
return crc;
}
static void pad_data(uint8_t *data, int len, uint8_t *dataPadded)
{
int i;
uint8_t pad[] =
{
0x01, 0x02, 0x22, 0x04, 0x20, 0x2A, 0x1F, 0x03,
0x04, 0x06, 0x02, 0x0C, 0x2B, 0x2B, 0x01, 0x7B
};
for (i = 0; i < len; i++)
{
dataPadded[i] = data[i];
}
dataPadded[len] = 0x01;
for (i = len + 1; i < 0x2F; i++)
{
dataPadded[i] = 0x00;
}
dataPadded[0x2F] = len;
for (i = 0; i < 16; i++)
{
dataPadded[0x30 + i] = pad[i];
}
}
static void hash_mode_01_custom_md5(uint8_t *data, uint8_t *hash)
{
int i, j, s;
uint32_t a, b, c, d, f = 0, g;
uint32_t T[] =
{
0x783E16F6, 0xC267AC13, 0xA2B17F12, 0x6B8A31A4,
0xF910654D, 0xB702DBCB, 0x266CEF60, 0x5145E47C,
0xB92E00D6, 0xE80A4A64, 0x8A07FA77, 0xBA7D89A9,
0xEBED8022, 0x653AAF2B, 0xF118B03B, 0x6CC16544,
0x96EB6583, 0xF4E27E35, 0x1ABB119E, 0x068D3EF2,
0xDAEAA8A5, 0x3C312A3D, 0x59538388, 0xA100772F,
0xAB0165CE, 0x979959E7, 0x5DD8F53D, 0x189662BA,
0xFD021A9C, 0x6BC2D338, 0x1EFF667E, 0x40C66888,
0x6E9F07FF, 0x0CEF442F, 0x82D20190, 0x4E8CAEAC,
0x0F7CB305, 0x2E73FBE7, 0x1CE884A2, 0x7A60BD52,
0xC348B30D, 0x081CE3AA, 0xA12220E7, 0x38C7EC79,
0xCBD8DD3A, 0x62B4FBA5, 0xAD2A63DB, 0xE4D0852E,
0x53DE980F, 0x9C8DDA59, 0xA6B4CEDE, 0xB48A7692,
0x0E2C46A4, 0xEB9367CB, 0x165D72EE, 0x75532B45,
0xB9CA8E97, 0x08C8837B, 0x966F917B, 0x527515B4,
0xF27A5E5D, 0xB71E6267, 0x7603D7E6, 0x9837DD69
}; // CUSTOM T
uint8_t r[] =
{
0x06, 0x0A, 0x0F, 0x15, 0x05, 0x09, 0x0E, 0x14,
0x04, 0x0B, 0x10, 0x17, 0x07, 0x0C, 0x11, 0x16
}; // STANDARD REORDERED
uint8_t tIdxInit[] = { 0, 1, 5, 0 }; // STANDARD
uint8_t tIdxIncr[] = { 1, 5, 3, 7 }; // STANDARD
uint32_t h[] = { 0xEAD81D2E, 0xCE4DC6E9, 0xF9B5C301, 0x10325476 }; // CUSTOM h0, h1, h2, STANDARD h3
uint32_t dataLongs[16];
for (i = 0; i < 16; i++)
{
dataLongs[i] = (data[4 * i + 0] << 0) + (data[4 * i + 1] << 8) +
(data[4 * i + 2] << 16) + (data[4 * i + 3] << 24);
}
a = h[0];
b = h[1];
c = h[2];
d = h[3];
for (i = 0; i < 4; i++)
{
g = tIdxInit[i];
for (j = 0; j < 16; j++)
{
if (i == 0)
{
f = (b & c) | (~b & d);
}
else if (i == 1)
{
f = (b & d) | (~d & c);
}
else if (i == 2)
{
f = (b ^ c ^ d);
}
else if (i == 3)
{
f = (~d | b) ^ c;
}
f = dataLongs[g] + a + T[16 * i + j] + f;
s = r[4 * i + (j & 3)];
f = (f << s) | (f >> (32 - s));
a = d;
d = c;
c = b;
b += f;
g = (g + tIdxIncr[i]) & 0xF;
}
}
h[0] += a;
h[1] += b;
h[2] += c;
h[3] += d;
for (i = 0; i < 4; i++)
{
hash[4 * i + 0] = h[i] >> 0;
hash[4 * i + 1] = h[i] >> 8;
hash[4 * i + 2] = h[i] >> 16;
hash[4 * i + 3] = h[i] >> 24;
}
}
static void hash_mode_02(uint8_t *data, uint8_t *hash)
{
int i;
uint32_t a, b, c, d, e, f = 0, tmp;
uint32_t h[] = { 0x81887F3A, 0x36CCA480, 0x99056FB1, 0x79705BAE };
uint32_t dataLongs[80];
for (i = 0; i < 16; i++)
{
dataLongs[i] = (data[4 * i + 0] << 24) + (data[4 * i + 1] << 16) +
(data[4 * i + 2] << 8) + (data[4 * i + 3] << 0);
}
for (i = 0; i < 64; i++)
{
dataLongs[16 + i] = dataLongs[16 + i - 2];
dataLongs[16 + i] ^= dataLongs[16 + i - 7];
dataLongs[16 + i] ^= dataLongs[16 + i - 13];
dataLongs[16 + i] ^= dataLongs[16 + i - 16];
}
a = dataLongs[0];
b = dataLongs[1];
c = dataLongs[2];
d = dataLongs[3];
e = dataLongs[4];
for (i = 0; i < 80; i++)
{
if (i < 0x15) f = (b & c) | (~b & d);
else if (i < 0x28) f = (b ^ c ^ d);
else if (i < 0x3D) f = (b & c) | (c & d) | (b & d);
else if (i < 0x50) f = (b ^ c ^ d);
tmp = a;
a = e + f + (a << 5) + (a >> 27) + h[i / 0x14] + dataLongs[i];
e = d;
d = c;
c = (b << 30) + (b >> 2);
b = tmp;
}
dataLongs[0] += a;
dataLongs[1] += b;
dataLongs[2] += c;
dataLongs[3] += d;
for (i = 0; i < 4; i++)
{
hash[4 * i + 0] = dataLongs[i] >> 24;
hash[4 * i + 1] = dataLongs[i] >> 16;
hash[4 * i + 2] = dataLongs[i] >> 8;
hash[4 * i + 3] = dataLongs[i] >> 0;
}
}
static void hash_mode_03(uint8_t *data, uint8_t *hash)
{
int i, j, k, s, s2, tmp;
uint32_t a, b, c, d, f = 0, g;
uint32_t a2, b2, c2, d2, f2 = 0, g2;
uint32_t T[] = { 0xC88F3F2E, 0x967506BA, 0xDA877A7B, 0x0DECCDFE };
uint32_t T2[] = { 0x01F42668, 0x39C7CDA5, 0xD490E2FE, 0x9965235D };
uint8_t r[] =
{
0x0B, 0x0E, 0x0F, 0x0C, 0x05, 0x08, 0x07, 0x09,
0x0B, 0x0D, 0x0E, 0x0F, 0x06, 0x07, 0x09, 0x08,
0x07, 0x06, 0x08, 0x0D, 0x0B, 0x09, 0x07, 0x0F,
0x07, 0x0C, 0x0F, 0x09, 0x0B, 0x07, 0x0D, 0x0C
};
uint8_t tIdxIncr[] =
{
0x07, 0x04, 0x0D, 0x01, 0x0A, 0x06, 0x0F, 0x03,
0x0C, 0x00, 0x09, 0x05, 0x02, 0x0E, 0x0B, 0x08,
0x05, 0x0D, 0x02, 0x00, 0x04, 0x09, 0x03, 0x08,
0x01, 0x0A, 0x07, 0x0B, 0x06, 0x0F, 0x0C, 0x0E
};
uint32_t h[] = { 0xC8616857, 0x9D3F5B8E, 0x4D7B8F76, 0x97BC8D80 };
uint32_t dataLongs[80];
uint32_t result[4];
for (i = 0; i < 16; i++)
{
dataLongs[i] = (data[4 * i + 0] << 24) + (data[4 * i + 1] << 16) +
(data[4 * i + 2] << 8) + (data[4 * i + 3] << 0);
}
a = h[0];
b = h[1];
c = h[2];
d = h[3];
a2 = h[3];
b2 = h[2];
c2 = h[1];
d2 = h[0];
for (i = 0; i < 4; i++)
{
for (j = 0; j < 16; j++)
{
tmp = j;
for (k = 0; k < i; k++)
{
tmp = tIdxIncr[tmp];
}
g = 0x0F - tmp;
g2 = tmp;
if (i == 0) f = (b & d) | (~d & c);
else if (i == 1) f = (~c | b) ^ d;
else if (i == 2) f = (~b & d) | (b & c);
else if (i == 3) f = (b ^ c ^ d);
if (i == 0) f2 = (b2 ^ c2 ^ d2);
else if (i == 1) f2 = (~b2 & d2) | (b2 & c2);
else if (i == 2) f2 = (~c2 | b2) ^ d2;
else if (i == 3) f2 = (b2 & d2) | (~d2 & c2);
f = dataLongs[g] + a + T[i] + f;
s = r[0x0F + (((i & 1) ^ 1) << 4) - j];
f = (f << s) | (f >> (32 - s));
f2 = dataLongs[g2] + a2 + T2[i] + f2;
s2 = r[((i & 1) << 4) + j];
f2 = (f2 << s2) | (f2 >> (32 - s2));
a = d;
d = (c << 10) | (c >> 22);
c = b;
b = f;
a2 = d2;
d2 = (c2 << 10) | (c2 >> 22);
c2 = b2;
b2 = f2;
}
}
result[0] = h[3] + b + a2;
result[1] = h[2] + c + b2;
result[2] = h[1] + d + c2;
result[3] = h[0] + a + d2;
for (i = 0; i < 4; i++)
{
hash[4 * i + 0] = result[i] >> 0;
hash[4 * i + 1] = result[i] >> 8;
hash[4 * i + 2] = result[i] >> 16;
hash[4 * i + 3] = result[i] >> 24;
}
}
static const uint8_t table04[] =
{
0x02, 0x03, 0x07, 0x0B, 0x0D, 0x08, 0x00, 0x01, 0x2B, 0x2D, 0x28, 0x20, 0x21, 0x0A, 0x0C, 0x0E,
0x22, 0x36, 0x23, 0x27, 0x29, 0x24, 0x25, 0x26, 0x2A, 0x3C, 0x3E, 0x3F, 0x0F, 0x2C, 0x2E, 0x2F,
0x12, 0x13, 0x17, 0x1B, 0x1C, 0x18, 0x10, 0x11, 0x19, 0x14, 0x15, 0x16, 0x1A, 0x09, 0x04, 0x05,
0x32, 0x33, 0x37, 0x3B, 0x06, 0x1C, 0x1E, 0x1F, 0x3D, 0x38, 0x30, 0x31, 0x39, 0x34, 0x35, 0x3A
};
static const uint8_t table05[] =
{
0x08, 0x09, 0x0A, 0x03, 0x04, 0x3F, 0x27, 0x28, 0x29, 0x2A, 0x05, 0x0B, 0x1B, 0x1C, 0x1C, 0x1E,
0x20, 0x0C, 0x0D, 0x22, 0x23, 0x24, 0x00, 0x01, 0x02, 0x06, 0x07, 0x25, 0x26, 0x0E, 0x0F, 0x21,
0x10, 0x11, 0x12, 0x2E, 0x2F, 0x13, 0x14, 0x15, 0x2B, 0x2C, 0x2D, 0x16, 0x17, 0x18, 0x19, 0x1A,
0x30, 0x31, 0x37, 0x3B, 0x3C, 0x3D, 0x3E, 0x1F, 0x38, 0x39, 0x32, 0x33, 0x34, 0x35, 0x36, 0x3A
};
static const uint8_t table06[] =
{
0x00, 0x01, 0x02, 0x06, 0x07, 0x08, 0x03, 0x2A, 0x2B, 0x2C, 0x2E, 0x2F, 0x04, 0x05, 0x09, 0x0D,
0x20, 0x21, 0x22, 0x26, 0x27, 0x3A, 0x3B, 0x3C, 0x3E, 0x3F, 0x10, 0x11, 0x12, 0x16, 0x17, 0x28,
0x18, 0x13, 0x14, 0x15, 0x19, 0x1C, 0x1A, 0x1B, 0x1C, 0x1E, 0x1F, 0x23, 0x24, 0x25, 0x29, 0x2D,
0x30, 0x31, 0x32, 0x36, 0x37, 0x38, 0x33, 0x34, 0x0A, 0x0B, 0x0C, 0x0E, 0x0F, 0x35, 0x39, 0x3D
};
static const uint8_t table07[] =
{
0x10, 0x11, 0x12, 0x17, 0x1C, 0x1E, 0x0E, 0x38, 0x39, 0x3A, 0x13, 0x14, 0x29, 0x2A, 0x16, 0x1F,
0x00, 0x01, 0x02, 0x3C, 0x3D, 0x3E, 0x3F, 0x07, 0x08, 0x09, 0x03, 0x04, 0x05, 0x06, 0x3B, 0x0A,
0x20, 0x21, 0x22, 0x19, 0x1A, 0x1B, 0x1C, 0x0B, 0x0C, 0x15, 0x23, 0x24, 0x25, 0x26, 0x18, 0x0F,
0x30, 0x31, 0x2B, 0x33, 0x34, 0x35, 0x36, 0x37, 0x27, 0x28, 0x2C, 0x2D, 0x2E, 0x2F, 0x32, 0x0D
};
static const uint8_t table08[] =
{
0x10, 0x11, 0x1E, 0x17, 0x18, 0x19, 0x12, 0x13, 0x14, 0x1C, 0x1C, 0x15, 0x0D, 0x05, 0x06, 0x0A,
0x00, 0x01, 0x0E, 0x07, 0x08, 0x09, 0x02, 0x2D, 0x25, 0x26, 0x2A, 0x2B, 0x2F, 0x03, 0x04, 0x0C,
0x20, 0x21, 0x2E, 0x27, 0x28, 0x29, 0x30, 0x31, 0x3E, 0x37, 0x38, 0x39, 0x22, 0x23, 0x24, 0x2C,
0x32, 0x33, 0x34, 0x3C, 0x3D, 0x35, 0x36, 0x3A, 0x3B, 0x0B, 0x0F, 0x16, 0x1A, 0x1B, 0x1F, 0x3F
};
static const uint8_t table09[] =
{
0x20, 0x21, 0x24, 0x22, 0x23, 0x2A, 0x2B, 0x33, 0x35, 0x38, 0x39, 0x36, 0x2D, 0x2C, 0x2E, 0x2F,
0x00, 0x01, 0x04, 0x02, 0x25, 0x28, 0x08, 0x09, 0x06, 0x07, 0x0A, 0x0B, 0x0D, 0x0C, 0x0E, 0x0F,
0x10, 0x11, 0x14, 0x12, 0x13, 0x15, 0x19, 0x16, 0x29, 0x26, 0x03, 0x17, 0x1A, 0x1C, 0x1C, 0x1E,
0x30, 0x31, 0x34, 0x32, 0x37, 0x3A, 0x3B, 0x3D, 0x3C, 0x3E, 0x3F, 0x1B, 0x05, 0x18, 0x27, 0x1F
};
static const uint8_t table0A[] =
{
0x00, 0x04, 0x05, 0x0B, 0x0C, 0x06, 0x09, 0x0A, 0x0E, 0x0D, 0x0F, 0x25, 0x15, 0x1B, 0x1C, 0x16,
0x10, 0x11, 0x01, 0x02, 0x03, 0x07, 0x08, 0x12, 0x13, 0x17, 0x18, 0x14, 0x23, 0x27, 0x28, 0x24,
0x30, 0x31, 0x32, 0x33, 0x37, 0x38, 0x34, 0x35, 0x3B, 0x3C, 0x20, 0x21, 0x22, 0x2B, 0x2C, 0x26,
0x36, 0x39, 0x3A, 0x3E, 0x3D, 0x19, 0x1A, 0x1E, 0x1C, 0x1F, 0x3F, 0x29, 0x2A, 0x2E, 0x2D, 0x2F
};
static void hash_modes_04_to_0A_tables(uint8_t *data, uint8_t *hash, const uint8_t *table)
{
int i;
for (i = 0; i < 16; i++)
{
hash[i] = table[i];
hash[i] ^= data[table[i]];
hash[i] ^= table[16 + i];
hash[i] ^= data[table[16 + i]];
hash[i] ^= table[32 + i];
hash[i] ^= data[table[32 + i]];
hash[i] ^= table[48 + i];
hash[i] ^= data[table[48 + i]];
}
}
static const uint8_t table0F[] = { 0xC7, 0x45, 0x15, 0x71, 0x61, 0x07, 0x05, 0x47 };
static const uint8_t table10[] = { 0x0F, 0x47, 0x2B, 0x6C, 0xAD, 0x0F, 0xB3, 0xEA };
static const uint8_t table11[] = { 0xB1, 0x46, 0xD1, 0x66, 0x5D, 0x28, 0x59, 0xD2 };
static const uint8_t table12[] = { 0x0B, 0x4B, 0xD7, 0x68, 0x5F, 0xAD, 0x4B, 0xBB };
static const uint8_t table13[] = { 0x4F, 0x4E, 0xE1, 0x6A, 0x21, 0xD3, 0xF7, 0xA6 };
static const uint8_t table14[] = { 0xDD, 0x39, 0xB9, 0x65, 0x03, 0x91, 0xF1, 0xAC };
static const uint8_t table15[] = { 0x3F, 0x50, 0xB5, 0x6F, 0x37, 0xC9, 0x13, 0x5D };
static const uint8_t table16[] = { 0xF9, 0x5C, 0xFD, 0x72, 0x19, 0x42, 0x23, 0x6B };
static const uint8_t table17[] = { 0xDF, 0x60, 0x93, 0x64, 0x33, 0x16, 0xB3, 0x8A };
static const uint8_t table18[] = { 0x09, 0x64, 0x5F, 0x6B, 0xFB, 0x21, 0x19, 0xE4 };
static void hash_modes_0F_to_18_tables(uint8_t *data, uint8_t *hash, const uint8_t *table)
{
int i;
uint32_t t[4], tmp;
memset(hash, 0x00, 16);
t[0] = (table[1] << 8) + table[0];
t[1] = (table[3] << 8) + table[2];
t[2] = (table[5] << 8) + table[4];
t[3] = (table[7] << 8) + table[6];
for (i = 0; i < 60; i += 4)
{
t[0] = ((t[0] & 0xFFFF) * t[2]) + (t[0] >> 16);
t[1] = ((t[1] & 0xFFFF) * t[3]) + (t[1] >> 16);
tmp = t[0] + t[1];
hash[(i + 0) & 0x0F] = hash[(i + 0) & 0x0F] ^ data[i + 0] ^ (tmp >> 24);
hash[(i + 1) & 0x0F] = hash[(i + 1) & 0x0F] ^ data[i + 1] ^ (tmp >> 16);
hash[(i + 2) & 0x0F] = hash[(i + 2) & 0x0F] ^ data[i + 2] ^ (tmp >> 8);
hash[(i + 3) & 0x0F] = hash[(i + 3) & 0x0F] ^ data[i + 3] ^ (tmp >> 0);
}
}
static const uint8_t table19[] = { 0x02, 0x03, 0x05, 0x10 };
static const uint8_t table1A[] = { 0x01, 0x05, 0x08, 0x10 };
static const uint8_t table1B[] = { 0x03, 0x07, 0x08, 0x10 };
static const uint8_t table1C[] = { 0x03, 0x05, 0x0A, 0x10 };
static const uint8_t table1D[] = { 0x03, 0x07, 0x0A, 0x10 };
static const uint8_t table1E[] = { 0x01, 0x05, 0x0B, 0x10 };
static const uint8_t table1F[] = { 0x06, 0x07, 0x0B, 0x10 };
static const uint8_t table20[] = { 0x01, 0x08, 0x0B, 0x10 };
static const uint8_t table21[] = { 0x01, 0x07, 0x0C, 0x10 };
static const uint8_t table22[] = { 0x05, 0x0B, 0x0C, 0x10 };
static const uint8_t table23[] = { 0x0B, 0x0C, 0x0D, 0x10 };
static const uint8_t table24[] = { 0x07, 0x09, 0x0E, 0x10 };
static const uint8_t table25[] = { 0x01, 0x04, 0x0F, 0x10 };
static const uint8_t table26[] = { 0x07, 0x08, 0x0F, 0x10 };
static const uint8_t table27[] = { 0x02, 0x0B, 0x0F, 0x10 };
static void hash_modes_19_to_27_tables_3(uint8_t *data, uint8_t *hash, const uint8_t *table)
{
int i;
uint8_t val, it[4];
uint16_t seed = 0xFFFF, tmp;
memset(hash, 0x00, 16);
for (i = 0; i < 4; i++)
{
it[i] = 0x10 - table[i];
}
for (i = 0; i < 16; i++)
{
val = ((seed >> it[0]) ^ (seed >> it[1]) ^ (seed >> it[2]) ^ (seed >> it[3])) & 0x01;
if (val == 0x00)
{
seed = seed >> 1;
}
else
{
seed = (seed >> 1) | 0x8000;
}
tmp = seed + (data[i] << 8) + data[i + 32];
val = ((seed >> it[0]) ^ (seed >> it[1]) ^ (seed >> it[2]) ^ (seed >> it[3])) & 0x01;
if (val == 0x00)
{
seed = seed >> 1;
}
else
{
seed = (seed >> 1) | 0x8000;
}
tmp = tmp + seed + (data[i + 16] << 8) + data[i + 48];
hash[i & 0x0F] ^= tmp >> 8;
hash[(i + 1) & 0x0F] ^= tmp;
}
}
static void create_hash(uint8_t *data, int len, uint8_t *hash, int mode)
{
uint8_t dataPadded[64];
pad_data(data, len, dataPadded);
switch (mode)
{
case 1:
hash_mode_01_custom_md5(dataPadded, hash);
break;
case 2:
hash_mode_02(dataPadded, hash);
break;
case 3:
hash_mode_03(dataPadded, hash);
break;
case 4:
hash_modes_04_to_0A_tables(dataPadded, hash, table04);
break;
case 5:
hash_modes_04_to_0A_tables(dataPadded, hash, table05);
break;
case 6:
hash_modes_04_to_0A_tables(dataPadded, hash, table06);
break;
case 7:
hash_modes_04_to_0A_tables(dataPadded, hash, table07);
break;
case 8:
hash_modes_04_to_0A_tables(dataPadded, hash, table08);
break;
case 9:
hash_modes_04_to_0A_tables(dataPadded, hash, table09);
break;
case 10:
hash_modes_04_to_0A_tables(dataPadded, hash, table0A);
break;
case 15:
hash_modes_0F_to_18_tables(dataPadded, hash, table0F);
break;
case 16:
hash_modes_0F_to_18_tables(dataPadded, hash, table10);
break;
case 17:
hash_modes_0F_to_18_tables(dataPadded, hash, table11);
break;
case 18:
hash_modes_0F_to_18_tables(dataPadded, hash, table12);
break;
case 19:
hash_modes_0F_to_18_tables(dataPadded, hash, table13);
break;
case 20:
hash_modes_0F_to_18_tables(dataPadded, hash, table14);
break;
case 21:
hash_modes_0F_to_18_tables(dataPadded, hash, table15);
break;
case 22:
hash_modes_0F_to_18_tables(dataPadded, hash, table16);
break;
case 23:
hash_modes_0F_to_18_tables(dataPadded, hash, table17);
break;
case 24:
hash_modes_0F_to_18_tables(dataPadded, hash, table18);
break;
case 25:
hash_modes_19_to_27_tables_3(dataPadded, hash, table19);
break;
case 26:
hash_modes_19_to_27_tables_3(dataPadded, hash, table1A);
break;
case 27:
hash_modes_19_to_27_tables_3(dataPadded, hash, table1B);
break;
case 28:
hash_modes_19_to_27_tables_3(dataPadded, hash, table1C);
break;
case 29:
hash_modes_19_to_27_tables_3(dataPadded, hash, table1D);
break;
case 30:
hash_modes_19_to_27_tables_3(dataPadded, hash, table1E);
break;
case 31:
hash_modes_19_to_27_tables_3(dataPadded, hash, table1F);
break;
case 32:
hash_modes_19_to_27_tables_3(dataPadded, hash, table20);
break;
case 33:
hash_modes_19_to_27_tables_3(dataPadded, hash, table21);
break;
case 34:
hash_modes_19_to_27_tables_3(dataPadded, hash, table22);
break;
case 35:
hash_modes_19_to_27_tables_3(dataPadded, hash, table23);
break;
case 36:
hash_modes_19_to_27_tables_3(dataPadded, hash, table24);
break;
case 37:
hash_modes_19_to_27_tables_3(dataPadded, hash, table25);
break;
case 38:
hash_modes_19_to_27_tables_3(dataPadded, hash, table26);
break;
case 39:
hash_modes_19_to_27_tables_3(dataPadded, hash, table27);
break;
default:
cs_log("A new hash mode [%d] is in use.", mode);
break;
}
}
static void create_hash_mode_03(uint8_t *data, uint8_t *hash)
{
int i, j, c;
uint8_t buffer0[16], buffer1[8], buffer2[8], tmpBuff1[4], tmpBuff2[4];
uint8_t table[] =
{
0x68, 0xCE, 0xE7, 0x71, 0xCC, 0x3A, 0x0B, 0x6E, 0x2A, 0x43, 0x17, 0x07, 0x5A, 0xD9, 0x14, 0x5B,
0xB0, 0x8E, 0xA8, 0x7F, 0xD8, 0xA2, 0xCF, 0x73, 0xC2, 0xB9, 0x5D, 0x46, 0xDD, 0x2C, 0xE2, 0x2D,
0xFD, 0x50, 0xE9, 0x7C, 0x28, 0x72, 0x9B, 0xAA, 0xEC, 0x24, 0x74, 0xAB, 0x00, 0x1C, 0x8B, 0x65,
0x38, 0x13, 0x22, 0x82, 0xAC, 0x9A, 0x4D, 0x2B, 0xEA, 0x04, 0x31, 0x84, 0x32, 0x3D, 0x36, 0x53,
0x5F, 0x42, 0x96, 0xDE, 0x47, 0x08, 0x51, 0x4B, 0x3E, 0xD1, 0x1E, 0x12, 0xD2, 0x1F, 0x7D, 0x26,
0xCD, 0x57, 0x8C, 0xB6, 0xD3, 0xF8, 0x11, 0xAD, 0x6A, 0x88, 0x95, 0x21, 0xE8, 0xBF, 0x6B, 0x27,
0xBE, 0xA3, 0x33, 0xB8, 0x9E, 0xB3, 0x6C, 0xC3, 0x06, 0xC7, 0x6F, 0x99, 0x97, 0xDA, 0x09, 0xAF,
0xAE, 0xCB, 0x79, 0x37, 0x55, 0x85, 0x8D, 0x2F, 0x8A, 0x70, 0xA1, 0x7A, 0x66, 0x29, 0x67, 0x0F,
0xEB, 0x9C, 0xC8, 0xC4, 0xD6, 0x4C, 0xDF, 0x1A, 0xC0, 0x01, 0x64, 0xBC, 0x4E, 0xE1, 0x54, 0xD7,
0x4F, 0xB7, 0x5E, 0xCA, 0xF0, 0x91, 0xE4, 0x59, 0x4A, 0xC6, 0x83, 0x8F, 0xBD, 0x61, 0xFF, 0x56,
0x92, 0xF1, 0x5C, 0x77, 0xC9, 0x20, 0xF4, 0xE5, 0x10, 0x69, 0x03, 0x1D, 0xD5, 0x45, 0xF6, 0x0E,
0xEF, 0xA0, 0xE3, 0x58, 0xFC, 0xED, 0x80, 0x16, 0xEE, 0xFA, 0x02, 0xF5, 0xB4, 0x0A, 0xE0, 0x0C,
0xF7, 0xF9, 0xBA, 0x7E, 0x18, 0x78, 0x19, 0xB5, 0x0D, 0x44, 0x34, 0xD4, 0xDC, 0x30, 0x6D, 0x3B,
0x63, 0x41, 0x48, 0x40, 0xA7, 0xA5, 0xC5, 0x98, 0x76, 0x3F, 0xC1, 0x25, 0x93, 0x49, 0xD0, 0x62,
0x2E, 0x75, 0xDB, 0x94, 0xF3, 0x52, 0x05, 0x81, 0xFB, 0xBB, 0xA6, 0x89, 0x39, 0xA4, 0xF2, 0xA9,
0xFE, 0x60, 0x3C, 0x15, 0xB1, 0x35, 0x86, 0x9D, 0x9F, 0x90, 0x1B, 0xE6, 0x7B, 0x23, 0x87, 0xB2
};
for (i = 0; i < 4; i++)
{
buffer0[0 + i] = data[12 + i];
buffer0[4 + i] = data[8 + i];
buffer0[8 + i] = data[4 + i];
buffer0[12 + i] = data[0 + i];
}
for (c = 0; c < 12; c++)
{
for (i = 0; i < 4; i++)
{
buffer1[0 + i] = buffer0[8 + i] ^ buffer0[12 + i];
buffer1[4 + i] = buffer0[0 + i] ^ buffer0[4 + i];
}
for (i = 0; i < 8; i++)
{
buffer1[i] = table[buffer1[i] ^ data[16 + 16 * (c % 3) + i]];
}
for (j = 0; j < 8; j++)
{
buffer2[j] = 0;
for (i = 0; i < 8; i++)
{
buffer2[j] ^= buffer1[i] * (j * i + 1);
}
}
for (i = 0; i < 8; i++)
{
buffer2[i] = table[buffer2[i] ^ data[24 + 16 * (c % 3) + i]] ^ data[16 + 16 * (c % 3) + i];
}
for (i = 0; i < 4; i++)
{
buffer0[12 + i] ^= buffer2[0 + i];
buffer0[8 + i] ^= buffer2[0 + i];
buffer0[4 + i] ^= buffer2[4 + i];
buffer0[0 + i] ^= buffer2[4 + i];
}
tmpBuff1[0] = buffer0[14];
tmpBuff1[1] = buffer0[15];
tmpBuff1[2] = buffer0[12] ^ buffer0[14];
tmpBuff1[3] = buffer0[13] ^ buffer0[15];
tmpBuff2[0] = buffer0[6];
tmpBuff2[1] = buffer0[7];
tmpBuff2[2] = buffer0[4] ^ buffer0[6];
tmpBuff2[3] = buffer0[5] ^ buffer0[7];
for (i = 0; i < 4; i++)
{
buffer0[12 + i] = tmpBuff1[i];
buffer0[4 + i] = tmpBuff2[i];
}
}
for (i = 0; i < 4; i++)
{
hash[0 + i] = buffer0[12 + i] ^ data[0 + i];
hash[4 + i] = buffer0[8 + i] ^ data[4 + i];
hash[8 + i] = buffer0[4 + i] ^ data[8 + i];
hash[12 + i] = buffer0[0 + i] ^ data[12 + i];
}
}
static void create_data_cw_mode_03(uint8_t *seed, int lenSeed, uint8_t *basecw,
uint8_t val, uint8_t *ecmBody, uint8_t *data)
{
int idxData = 8, idxSeed = 0, idxBase = 0;
uint8_t padding[] =
{
0x4A, 0x56, 0x7F, 0x16, 0xFC, 0x1F, 0x5B, 0x95,
0x19, 0xEF, 0x75, 0x14, 0x0E, 0x9E, 0x17, 0x3C,
0xF5, 0xB7, 0xA0, 0x93, 0xA3, 0x0F, 0xFA, 0x38,
0x7A, 0x34, 0x6C, 0xDC, 0xFB, 0xB0, 0x24, 0x42,
0x74, 0x72, 0x1C, 0xDC, 0x1E, 0xA1, 0x6D, 0xAB,
0xC8, 0x44, 0x53, 0xEF, 0x56, 0x00, 0xE9, 0x97,
0x48, 0x77, 0xF8, 0x00, 0x8E, 0x0B, 0x78, 0xA2
};
memcpy(data + 8, padding, 56);
data[0] = ecmBody[0x0F];
data[1] = ecmBody[0x09];
data[2] = ecmBody[0x10];
data[3] = ecmBody[0x11];
data[4] = ecmBody[0x05];
data[5] = ecmBody[0x07];
data[6] = ecmBody[0x08];
data[7] = ecmBody[0x0A];
while (idxBase < 7)
{
if ((idxBase == 0) || (idxBase == 2) || (idxBase == 5))
{
data[idxData++] = val;
}
if (idxSeed < lenSeed)
{
data[idxData++] = seed[idxSeed++];
}
data[idxData++] = basecw[idxBase++];
}
}
static void create_data_unmask_mode_03(uint8_t *ecmBody, uint8_t *data)
{
uint8_t padding[] =
{
0xB1, 0x7C, 0xD2, 0xA7, 0x5E, 0x45, 0x6C, 0x36,
0xF0, 0xB6, 0x81, 0xF3, 0x25, 0x06, 0x65, 0x06,
0x6B, 0xBF, 0x4C, 0xE7, 0xED, 0x6E, 0x85, 0x00,
0xCC, 0xF2, 0x61, 0x48, 0x62, 0x24, 0x0E, 0x3C,
0x05, 0x89, 0xA5, 0x39, 0x5A, 0x4E, 0x9B, 0xC8,
0x14, 0x78, 0xEA, 0xB6, 0xFB, 0xF8, 0x10, 0xE6,
0x61, 0xF5, 0x3A, 0xBC, 0x5B, 0x79, 0x09, 0x97
};
memcpy(data + 8, padding, 56);
data[0] = ecmBody[0x17];
data[1] = ecmBody[0x26];
data[2] = ecmBody[0x19];
data[3] = ecmBody[0x21];
data[4] = ecmBody[0x26];
data[5] = ecmBody[0x31];
data[6] = ecmBody[0x21];
data[7] = ecmBody[0x27];
}
static uint8_t get_mode_cw(uint8_t *extraData)
{
uint64_t data = ((uint32_t)extraData[0] << 24) + (extraData[1] << 16) + (extraData[2] << 8) + extraData[3];
uint64_t t1 = (data * 0x76E9DEA7) >> 50;
uint64_t t2 = (t1 * 0x51EB851F) >> 36;
uint64_t t3 = t2 * 0x32;
uint8_t r = t1 - t3;
return r;
}
static uint8_t get_mode_unmask(uint8_t *extraData)
{
uint64_t data = ((uint32_t)extraData[0] << 24) + (extraData[1] << 16) + (extraData[2] << 8) + extraData[3];
uint64_t t1 = (data * 0xB9CD6BE5) >> 45;
uint64_t t2 = (t1 * 0x51EB851F) >> 36;
uint64_t t3 = t2 * 0x32;
uint8_t r = t1 - t3;
return r;
}
static void create_data_ecm_emm(uint8_t *emmEcm, uint8_t *pos, int lenHeader, int len, uint8_t *data)
{
int i;
for (i = 0; i < len; i++)
{
data[i] = emmEcm[lenHeader + pos[i]];
}
}
static uint8_t create_data_cw(uint8_t *seed, uint8_t lenSeed, uint8_t *baseCw,
uint8_t val, uint8_t *seedEcmCw, uint8_t *data)
{
int i;
for (i = 0; i < lenSeed; i++)
{
data[i] = seed[i];
}
for (i = 0; i < 7; i++)
{
data[lenSeed + i] = baseCw[i];
}
data[lenSeed + 7] = val;
for (i = 0; i < 16; i++)
{
data[lenSeed + 7 + 1 + i] = seedEcmCw[i];
}
return lenSeed + 7 + 1 + 0x10;
}
static uint8_t unmask_ecm(uint8_t *ecm, uint8_t *seedEcmCw, uint8_t *modeCW)
{
int i, l;
uint8_t data[64], mask[16];
uint8_t hashModeEcm, hashModeCw, modeUnmask = 0;
uint32_t crc;
uint8_t sourcePos[] =
{
0x04, 0x05, 0x06, 0x07, 0x0A, 0x0B, 0x0C, 0x0D,
0x0E, 0x0F, 0x10, 0x17, 0x1C, 0x1D, 0x1F, 0x23,
0x24, 0x25, 0x26, 0x27, 0x29, 0x2C, 0x2D, 0x2E
};
uint8_t destPos[] =
{
0x08, 0x09, 0x11, 0x18, 0x19, 0x1A, 0x1B, 0x1E,
0x20, 0x21, 0x22, 0x28, 0x2A, 0x2B, 0x2F, 0x30
};
uint8_t seedCwPos[] = { 0x07, 0x0A, 0x04, 0x0D, 0x05, 0x0E, 0x06, 0x0B, 0x10, 0x0C, 0x0F };
// Create seed for CW decryption
memset(seedEcmCw, 0, 16);
int extraBytesLen = ecm[9];
int startOffset = extraBytesLen + 10;
for (i = 0; i < 11; i++)
{
seedEcmCw[i] = ecm[startOffset + seedCwPos[i]];
}
*modeCW = 0;
if (extraBytesLen > 0)
{
*modeCW = get_mode_cw(ecm + 10);
}
// Read hash mode CW
hashModeCw = ecm[28 + extraBytesLen] ^ crc8_calc(seedEcmCw, 16);
// Create mask for ECM decryption
create_data_ecm_emm(ecm, sourcePos, startOffset, 24, data);
hashModeEcm = ecm[8] ^ crc8_calc(data, 24);
if (extraBytesLen > 0)
{
modeUnmask = get_mode_unmask(ecm + 10);
}
if (modeUnmask == 0x03)
{
ecm[startOffset + 0x21] -= ecm[startOffset + 0x07];
ecm[startOffset + 0x26] -= ecm[startOffset + 0x05];
ecm[startOffset + 0x26] -= ecm[startOffset + 0x08];
ecm[startOffset + 0x19] -= ecm[startOffset + 0x06];
ecm[startOffset + 0x31] -= ecm[startOffset + 0x09];
ecm[startOffset + 0x27] -= ecm[startOffset + 0x0C];
ecm[startOffset + 0x21] -= ecm[startOffset + 0x0B];
ecm[startOffset + 0x17] -= ecm[startOffset + 0x04];
create_data_unmask_mode_03(ecm + startOffset, data);
create_hash_mode_03(data, mask);
// Unmask body
ecm[startOffset + 0x06] ^= mask[0x02];
ecm[startOffset + 0x0B] ^= mask[0x06];
ecm[startOffset + 0x0C] ^= mask[0x07];
ecm[startOffset + 0x0D] ^= mask[0x08];
ecm[startOffset + 0x0E] ^= mask[0x09];
ecm[startOffset + 0x0F] ^= mask[0x0A];
ecm[startOffset + 0x11] ^= mask[0x0B];
ecm[startOffset + 0x18] ^= mask[0x0C];
ecm[startOffset + 0x2D] ^= mask[0x0A];
ecm[startOffset + 0x07] ^= mask[0x03];
ecm[startOffset + 0x1B] ^= mask[0x0D];
ecm[startOffset + 0x30] ^= mask[0x0C];
ecm[startOffset + 0x1C] ^= mask[0x0E];
ecm[startOffset + 0x1E] ^= mask[0x00];
ecm[startOffset + 0x04] ^= mask[0x00];
ecm[startOffset + 0x05] ^= mask[0x01];
ecm[startOffset + 0x1F] ^= mask[0x01];
ecm[startOffset + 0x2C] ^= mask[0x09];
ecm[startOffset + 0x20] ^= mask[0x02];
ecm[startOffset + 0x1D] ^= mask[0x0F];
ecm[startOffset + 0x23] ^= mask[0x04];
ecm[startOffset + 0x09] ^= mask[0x05];
ecm[startOffset + 0x22] ^= mask[0x03];
ecm[startOffset + 0x24] ^= mask[0x05];
ecm[startOffset + 0x08] ^= mask[0x04];
ecm[startOffset + 0x28] ^= mask[0x06];
ecm[startOffset + 0x29] ^= mask[0x07];
ecm[startOffset + 0x2A] ^= mask[0x08];
ecm[startOffset + 0x2E] ^= mask[0x0B];
for (i = 0; i < ecm[9]; i++)
{
ecm[10 + i] = 0x00;
}
}
else if (modeUnmask == 0x04)
{
// Do nothing
}
else
{
create_hash(data, 24, mask, hashModeEcm);
// Unmask body
for (i = 0; i < 16; i++)
{
ecm[startOffset + destPos[i]] ^= mask[i & 0x0F];
}
}