1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/**********************************************************************
* gost89.c *
* Copyright (c) 2005-2006 Cryptocom LTD *
* This file is distributed under the same license as OpenSSL *
* *
* Implementation of GOST 28147-89 encryption algorithm *
* No OpenSSL libraries required to compile and use *
* this code *
**********************************************************************/
#ifdef _MSC_VER
# pragma warning(push, 3)
# include <openssl/applink.c>
# pragma warning(pop)
#endif
#include <string.h>
#include "gost89.h"
#include <stdio.h>
#include <string.h>
static void hexdump(FILE *f, const char *title, const unsigned char *s, int l)
{
int n = 0;
fprintf(f, "%s", title);
for (; n < l; ++n) {
if ((n % 16) == 0)
fprintf(f, "\n%04x", n);
fprintf(f, " %02x", s[n]);
}
fprintf(f, "\n");
}
int main(void)
{
int ret = 0;
const unsigned char initial_key[] = {
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF,
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10,
0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF
};
const unsigned char meshed_key[] = {
0x86, 0x3E, 0xA0, 0x17, 0x84, 0x2C, 0x3D, 0x37,
0x2B, 0x18, 0xA8, 0x5A, 0x28, 0xE2, 0x31, 0x7D,
0x74, 0xBE, 0xFC, 0x10, 0x77, 0x20, 0xDE, 0x0C,
0x9E, 0x8A, 0xB9, 0x74, 0xAB, 0xD0, 0x0C, 0xA0,
};
unsigned char buf[32];
gost_ctx ctx;
kboxinit(&ctx, &Gost28147_TC26ParamSetZ);
magma_key(&ctx, initial_key);
magma_get_key(&ctx, buf);
hexdump(stdout, "Initial key", buf, 32);
acpkm_magma_key_meshing(&ctx);
magma_get_key(&ctx, buf);
hexdump(stdout, "Meshed key - K2", buf, 32);
if (memcmp(meshed_key, buf, 32)) {
fprintf(stderr, "Magma meshing failed");
ret = 1;
}
acpkm_magma_key_meshing(&ctx);
magma_get_key(&ctx, buf);
hexdump(stdout, "Meshed key - K3", buf, 32);
acpkm_magma_key_meshing(&ctx);
magma_get_key(&ctx, buf);
hexdump(stdout, "Meshed key - K4", buf, 32);
return ret;
}
|
