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hashcat/OpenCL/inc_cipher_kuznyechik.cl

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9.6 KiB
Common Lisp
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/* *
* This is an OpenCL implementation of the encryption algorithm: *
* *
* GOST R 34.12-2015 Kuznyechik by A.S.Kuzmin and A.A.Nechaev *
* *
* Author of the original C implementation: *
* *
* Markku-Juhani O. Saarinen <mjos@iki.fi> *
* https://github.com/mjosaarinen/kuznechik *
* *
* Adapted for GPU use with hashcat by Ruslan Yushaev. *
* *
*/
#include "inc_vendor.h"
#include "inc_types.h"
#include "inc_platform.h"
#include "inc_common.h"
#include "inc_cipher_kuznyechik.h"
CONSTANT_VK u32a k_sbox[256] =
{
0xfc, 0xee, 0xdd, 0x11, 0xcf, 0x6e, 0x31, 0x16,
0xfb, 0xc4, 0xfa, 0xda, 0x23, 0xc5, 0x04, 0x4d,
0xe9, 0x77, 0xf0, 0xdb, 0x93, 0x2e, 0x99, 0xba,
0x17, 0x36, 0xf1, 0xbb, 0x14, 0xcd, 0x5f, 0xc1,
0xf9, 0x18, 0x65, 0x5a, 0xe2, 0x5c, 0xef, 0x21,
0x81, 0x1c, 0x3c, 0x42, 0x8b, 0x01, 0x8e, 0x4f,
0x05, 0x84, 0x02, 0xae, 0xe3, 0x6a, 0x8f, 0xa0,
0x06, 0x0b, 0xed, 0x98, 0x7f, 0xd4, 0xd3, 0x1f,
0xeb, 0x34, 0x2c, 0x51, 0xea, 0xc8, 0x48, 0xab,
0xf2, 0x2a, 0x68, 0xa2, 0xfd, 0x3a, 0xce, 0xcc,
0xb5, 0x70, 0x0e, 0x56, 0x08, 0x0c, 0x76, 0x12,
0xbf, 0x72, 0x13, 0x47, 0x9c, 0xb7, 0x5d, 0x87,
0x15, 0xa1, 0x96, 0x29, 0x10, 0x7b, 0x9a, 0xc7,
0xf3, 0x91, 0x78, 0x6f, 0x9d, 0x9e, 0xb2, 0xb1,
0x32, 0x75, 0x19, 0x3d, 0xff, 0x35, 0x8a, 0x7e,
0x6d, 0x54, 0xc6, 0x80, 0xc3, 0xbd, 0x0d, 0x57,
0xdf, 0xf5, 0x24, 0xa9, 0x3e, 0xa8, 0x43, 0xc9,
0xd7, 0x79, 0xd6, 0xf6, 0x7c, 0x22, 0xb9, 0x03,
0xe0, 0x0f, 0xec, 0xde, 0x7a, 0x94, 0xb0, 0xbc,
0xdc, 0xe8, 0x28, 0x50, 0x4e, 0x33, 0x0a, 0x4a,
0xa7, 0x97, 0x60, 0x73, 0x1e, 0x00, 0x62, 0x44,
0x1a, 0xb8, 0x38, 0x82, 0x64, 0x9f, 0x26, 0x41,
0xad, 0x45, 0x46, 0x92, 0x27, 0x5e, 0x55, 0x2f,
0x8c, 0xa3, 0xa5, 0x7d, 0x69, 0xd5, 0x95, 0x3b,
0x07, 0x58, 0xb3, 0x40, 0x86, 0xac, 0x1d, 0xf7,
0x30, 0x37, 0x6b, 0xe4, 0x88, 0xd9, 0xe7, 0x89,
0xe1, 0x1b, 0x83, 0x49, 0x4c, 0x3f, 0xf8, 0xfe,
0x8d, 0x53, 0xaa, 0x90, 0xca, 0xd8, 0x85, 0x61,
0x20, 0x71, 0x67, 0xa4, 0x2d, 0x2b, 0x09, 0x5b,
0xcb, 0x9b, 0x25, 0xd0, 0xbe, 0xe5, 0x6c, 0x52,
0x59, 0xa6, 0x74, 0xd2, 0xe6, 0xf4, 0xb4, 0xc0,
0xd1, 0x66, 0xaf, 0xc2, 0x39, 0x4b, 0x63, 0xb6
};
CONSTANT_VK u32a k_sbox_inv[256] =
{
0xa5, 0x2d, 0x32, 0x8f, 0x0e, 0x30, 0x38, 0xc0,
0x54, 0xe6, 0x9e, 0x39, 0x55, 0x7e, 0x52, 0x91,
0x64, 0x03, 0x57, 0x5a, 0x1c, 0x60, 0x07, 0x18,
0x21, 0x72, 0xa8, 0xd1, 0x29, 0xc6, 0xa4, 0x3f,
0xe0, 0x27, 0x8d, 0x0c, 0x82, 0xea, 0xae, 0xb4,
0x9a, 0x63, 0x49, 0xe5, 0x42, 0xe4, 0x15, 0xb7,
0xc8, 0x06, 0x70, 0x9d, 0x41, 0x75, 0x19, 0xc9,
0xaa, 0xfc, 0x4d, 0xbf, 0x2a, 0x73, 0x84, 0xd5,
0xc3, 0xaf, 0x2b, 0x86, 0xa7, 0xb1, 0xb2, 0x5b,
0x46, 0xd3, 0x9f, 0xfd, 0xd4, 0x0f, 0x9c, 0x2f,
0x9b, 0x43, 0xef, 0xd9, 0x79, 0xb6, 0x53, 0x7f,
0xc1, 0xf0, 0x23, 0xe7, 0x25, 0x5e, 0xb5, 0x1e,
0xa2, 0xdf, 0xa6, 0xfe, 0xac, 0x22, 0xf9, 0xe2,
0x4a, 0xbc, 0x35, 0xca, 0xee, 0x78, 0x05, 0x6b,
0x51, 0xe1, 0x59, 0xa3, 0xf2, 0x71, 0x56, 0x11,
0x6a, 0x89, 0x94, 0x65, 0x8c, 0xbb, 0x77, 0x3c,
0x7b, 0x28, 0xab, 0xd2, 0x31, 0xde, 0xc4, 0x5f,
0xcc, 0xcf, 0x76, 0x2c, 0xb8, 0xd8, 0x2e, 0x36,
0xdb, 0x69, 0xb3, 0x14, 0x95, 0xbe, 0x62, 0xa1,
0x3b, 0x16, 0x66, 0xe9, 0x5c, 0x6c, 0x6d, 0xad,
0x37, 0x61, 0x4b, 0xb9, 0xe3, 0xba, 0xf1, 0xa0,
0x85, 0x83, 0xda, 0x47, 0xc5, 0xb0, 0x33, 0xfa,
0x96, 0x6f, 0x6e, 0xc2, 0xf6, 0x50, 0xff, 0x5d,
0xa9, 0x8e, 0x17, 0x1b, 0x97, 0x7d, 0xec, 0x58,
0xf7, 0x1f, 0xfb, 0x7c, 0x09, 0x0d, 0x7a, 0x67,
0x45, 0x87, 0xdc, 0xe8, 0x4f, 0x1d, 0x4e, 0x04,
0xeb, 0xf8, 0xf3, 0x3e, 0x3d, 0xbd, 0x8a, 0x88,
0xdd, 0xcd, 0x0b, 0x13, 0x98, 0x02, 0x93, 0x80,
0x90, 0xd0, 0x24, 0x34, 0xcb, 0xed, 0xf4, 0xce,
0x99, 0x10, 0x44, 0x40, 0x92, 0x3a, 0x01, 0x26,
0x12, 0x1a, 0x48, 0x68, 0xf5, 0x81, 0x8b, 0xc7,
0xd6, 0x20, 0x0a, 0x08, 0x00, 0x4c, 0xd7, 0x74
};
#define extract_byte(x,n) (((x) >> (8 * (n))) & 0xff)
#define k_lookup(w,sbox) \
w[0] = sbox[extract_byte (w[0], 0)] << 0 \
| sbox[extract_byte (w[0], 1)] << 8 \
| sbox[extract_byte (w[0], 2)] << 16 \
| sbox[extract_byte (w[0], 3)] << 24; \
w[1] = sbox[extract_byte (w[1], 0)] << 0 \
| sbox[extract_byte (w[1], 1)] << 8 \
| sbox[extract_byte (w[1], 2)] << 16 \
| sbox[extract_byte (w[1], 3)] << 24; \
w[2] = sbox[extract_byte (w[2], 0)] << 0 \
| sbox[extract_byte (w[2], 1)] << 8 \
| sbox[extract_byte (w[2], 2)] << 16 \
| sbox[extract_byte (w[2], 3)] << 24; \
w[3] = sbox[extract_byte (w[3], 0)] << 0 \
| sbox[extract_byte (w[3], 1)] << 8 \
| sbox[extract_byte (w[3], 2)] << 16 \
| sbox[extract_byte (w[3], 3)] << 24;
#define k_xor(n) \
for (int i = (n); i > 0; i /= 2) \
{ \
z ^= x * (i % 2); \
x = (x << 1) ^ ((x >> 7) * 0xc3); \
x &= 0xff; \
}
DECLSPEC void kuznyechik_linear (PRIVATE_AS u32 *w)
{
// used in k_xor macro
u32 x;
u32 z;
for (int i = 0; i < 16; i++)
{
z = 0;
// k_xor (1) yields the same result as a simple xor
x = extract_byte (w[3], 3); z ^= x;
x = extract_byte (w[3], 2); k_xor (148);
x = extract_byte (w[3], 1); k_xor (32);
x = extract_byte (w[3], 0); k_xor (133);
x = extract_byte (w[2], 3); k_xor (16);
x = extract_byte (w[2], 2); k_xor (194);
x = extract_byte (w[2], 1); k_xor (192);
x = extract_byte (w[2], 0); z ^= x;
x = extract_byte (w[1], 3); k_xor (251);
x = extract_byte (w[1], 2); z ^= x;
x = extract_byte (w[1], 1); k_xor (192);
x = extract_byte (w[1], 0); k_xor (194);
x = extract_byte (w[0], 3); k_xor (16);
x = extract_byte (w[0], 2); k_xor (133);
x = extract_byte (w[0], 1); k_xor (32);
x = extract_byte (w[0], 0); k_xor (148);
// right-shift data block, prepend calculated byte
w[3] = (w[3] << 8) | (w[2] >> 24);
w[2] = (w[2] << 8) | (w[1] >> 24);
w[1] = (w[1] << 8) | (w[0] >> 24);
w[0] = (w[0] << 8) | z;
}
}
DECLSPEC void kuznyechik_linear_inv (PRIVATE_AS u32 *w)
{
// used in k_xor macro
u32 x;
u32 z;
for (int i = 0; i < 16; i++)
{
z = extract_byte (w[0], 0);
//left-shift data block
w[0] = (w[0] >> 8) | (w[1] << 24);
w[1] = (w[1] >> 8) | (w[2] << 24);
w[2] = (w[2] >> 8) | (w[3] << 24);
w[3] = (w[3] >> 8);
x = extract_byte (w[0], 0); k_xor (148);
x = extract_byte (w[0], 1); k_xor (32);
x = extract_byte (w[0], 2); k_xor (133);
x = extract_byte (w[0], 3); k_xor (16);
x = extract_byte (w[1], 0); k_xor (194);
x = extract_byte (w[1], 1); k_xor (192);
x = extract_byte (w[1], 2); z ^= x;
x = extract_byte (w[1], 3); k_xor (251);
x = extract_byte (w[2], 0); z ^= x;
x = extract_byte (w[2], 1); k_xor (192);
x = extract_byte (w[2], 2); k_xor (194);
x = extract_byte (w[2], 3); k_xor (16);
x = extract_byte (w[3], 0); k_xor (133);
x = extract_byte (w[3], 1); k_xor (32);
x = extract_byte (w[3], 2); k_xor (148);
//append calculated byte
w[3] |= (z << 24);
}
}
DECLSPEC void kuznyechik_set_key (PRIVATE_AS u32 *ks, PRIVATE_AS const u32 *ukey)
{
u32 counter[4];
u32 x[4];
u32 y[4];
u32 z[4];
x[0] = ukey[0];
x[1] = ukey[1];
x[2] = ukey[2];
x[3] = ukey[3];
y[0] = ukey[4];
y[1] = ukey[5];
y[2] = ukey[6];
y[3] = ukey[7];
ks[0] = ukey[0];
ks[1] = ukey[1];
ks[2] = ukey[2];
ks[3] = ukey[3];
ks[4] = ukey[4];
ks[5] = ukey[5];
ks[6] = ukey[6];
ks[7] = ukey[7];
for (int i = 1; i <= 32; i++)
{
counter[0] = 0;
counter[1] = 0;
counter[2] = 0;
counter[3] = (i << 24);
kuznyechik_linear (counter);
z[0] = x[0] ^ counter[0];
z[1] = x[1] ^ counter[1];
z[2] = x[2] ^ counter[2];
z[3] = x[3] ^ counter[3];
k_lookup (z, k_sbox);
kuznyechik_linear (z);
z[0] ^= y[0];
z[1] ^= y[1];
z[2] ^= y[2];
z[3] ^= y[3];
y[0] = x[0];
y[1] = x[1];
y[2] = x[2];
y[3] = x[3];
x[0] = z[0];
x[1] = z[1];
x[2] = z[2];
x[3] = z[3];
if ((i & 7) == 0)
{
ks[i + 0] = x[0];
ks[i + 1] = x[1];
ks[i + 2] = x[2];
ks[i + 3] = x[3];
ks[i + 4] = y[0];
ks[i + 5] = y[1];
ks[i + 6] = y[2];
ks[i + 7] = y[3];
}
}
}
DECLSPEC void kuznyechik_encrypt (PRIVATE_AS const u32 *ks, PRIVATE_AS const u32 *in, PRIVATE_AS u32 *out)
{
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
out[3] = in[3];
for (int i = 0; i < 9; i++)
{
out[0] ^= ks[4 * i + 0];
out[1] ^= ks[4 * i + 1];
out[2] ^= ks[4 * i + 2];
out[3] ^= ks[4 * i + 3];
k_lookup (out, k_sbox);
kuznyechik_linear (out);
}
out[0] ^= ks[4 * 9 + 0];
out[1] ^= ks[4 * 9 + 1];
out[2] ^= ks[4 * 9 + 2];
out[3] ^= ks[4 * 9 + 3];
}
DECLSPEC void kuznyechik_decrypt (PRIVATE_AS const u32 *ks, PRIVATE_AS const u32 *in, PRIVATE_AS u32 *out)
{
out[0] = in[0];
out[1] = in[1];
out[2] = in[2];
out[3] = in[3];
out[0] ^= ks[4 * 9 + 0];
out[1] ^= ks[4 * 9 + 1];
out[2] ^= ks[4 * 9 + 2];
out[3] ^= ks[4 * 9 + 3];
for (int i = 8; i >= 0; i--)
{
kuznyechik_linear_inv (out);
k_lookup (out, k_sbox_inv);
out[0] ^= ks[4 * i + 0];
out[1] ^= ks[4 * i + 1];
out[2] ^= ks[4 * i + 2];
out[3] ^= ks[4 * i + 3];
}
}
#undef k_xor
#undef k_lookup
#undef extract_byte
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