8 #include <botan/gost_28147.h>
9 #include <botan/loadstor.h>
10 #include <botan/rotate.h>
16 byte x = sboxes[4 * col + (row / 2)];
18 return (row % 2 == 0) ? (x >> 4) : (x & 0x0F);
26 static const byte GOST_R_3411_TEST_PARAMS[64] = {
27 0x4E, 0x57, 0x64, 0xD1, 0xAB, 0x8D, 0xCB, 0xBF, 0x94, 0x1A, 0x7A,
28 0x4D, 0x2C, 0xD1, 0x10, 0x10, 0xD6, 0xA0, 0x57, 0x35, 0x8D, 0x38,
29 0xF2, 0xF7, 0x0F, 0x49, 0xD1, 0x5A, 0xEA, 0x2F, 0x8D, 0x94, 0x62,
30 0xEE, 0x43, 0x09, 0xB3, 0xF4, 0xA6, 0xA2, 0x18, 0xC6, 0x98, 0xE3,
31 0xC1, 0x7C, 0xE5, 0x7E, 0x70, 0x6B, 0x09, 0x66, 0xF7, 0x02, 0x3C,
32 0x8B, 0x55, 0x95, 0xBF, 0x28, 0x39, 0xB3, 0x2E, 0xCC };
35 static const byte GOST_R_3411_CRYPTOPRO_PARAMS[64] = {
36 0xA5, 0x74, 0x77, 0xD1, 0x4F, 0xFA, 0x66, 0xE3, 0x54, 0xC7, 0x42,
37 0x4A, 0x60, 0xEC, 0xB4, 0x19, 0x82, 0x90, 0x9D, 0x75, 0x1D, 0x4F,
38 0xC9, 0x0B, 0x3B, 0x12, 0x2F, 0x54, 0x79, 0x08, 0xA0, 0xAF, 0xD1,
39 0x3E, 0x1A, 0x38, 0xC7, 0xB1, 0x81, 0xC6, 0xE6, 0x56, 0x05, 0x87,
40 0x03, 0x25, 0xEB, 0xFE, 0x9C, 0x6D, 0xF8, 0x6D, 0x2E, 0xAB, 0xDE,
41 0x20, 0xBA, 0x89, 0x3C, 0x92, 0xF8, 0xD3, 0x53, 0xBC };
43 if(name ==
"R3411_94_TestParam")
44 sboxes = GOST_R_3411_TEST_PARAMS;
45 else if(name ==
"R3411_CryptoPro")
46 sboxes = GOST_R_3411_CRYPTOPRO_PARAMS;
58 for(
size_t i = 0; i != 4; ++i)
59 for(
size_t j = 0; j != 256; ++j)
75 std::string sbox_name =
"";
76 if(SBOX[0] == 0x00072000)
77 sbox_name =
"R3411_94_TestParam";
78 else if(SBOX[0] == 0x0002D000)
79 sbox_name =
"R3411_CryptoPro";
83 return "GOST-28147-89(" + sbox_name +
")";
89 #define GOST_2ROUND(N1, N2, R1, R2) \
91 u32bit T0 = N1 + EK[R1]; \
92 N2 ^= SBOX[get_byte(3, T0)] | \
93 SBOX[get_byte(2, T0)+256] | \
94 SBOX[get_byte(1, T0)+512] | \
95 SBOX[get_byte(0, T0)+768]; \
97 u32bit T1 = N2 + EK[R2]; \
98 N1 ^= SBOX[get_byte(3, T1)] | \
99 SBOX[get_byte(2, T1)+256] | \
100 SBOX[get_byte(1, T1)+512] | \
101 SBOX[get_byte(0, T1)+768]; \
109 for(
size_t i = 0; i != blocks; ++i)
114 for(
size_t j = 0; j != 3; ++j)
139 for(
size_t i = 0; i != blocks; ++i)
149 for(
size_t j = 0; j != 3; ++j)
166 void GOST_28147_89::key_schedule(
const byte key[],
size_t)
168 for(
size_t i = 0; i != 8; ++i)
byte sbox_entry(size_t row, size_t col) const
GOST_28147_89_Params(const std::string &name="R3411_94_TestParam")
void store_le(u16bit in, byte out[2])
T rotate_left(T input, size_t rot)
std::invalid_argument Invalid_Argument
void decrypt_n(const byte in[], byte out[], size_t blocks) const
GOST_28147_89(const GOST_28147_89_Params ¶ms)
u32bit load_le< u32bit >(const byte in[], size_t off)
void encrypt_n(const byte in[], byte out[], size_t blocks) const
#define GOST_2ROUND(N1, N2, R1, R2)