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/*
* Copyright (c) 2019-2020 Dmitry Belyavskiy <beldmit@gmail.com>
*
* Contents licensed under the terms of the OpenSSL license
* See https://www.openssl.org/source/license.html for details
*/
#ifdef _MSC_VER
# pragma warning(push, 3)
# include <openssl/applink.c>
# pragma warning(pop)
# include <Winsock2.h>
# include <stdlib.h>
#else
# include <arpa/inet.h>
#endif
#include <string.h>
#include <stdio.h>
#include <string.h>
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/obj_mac.h>
#include "gost_lcl.h"
#include "e_gost_err.h"
#include "gost_grasshopper_cipher.h"
#define T(e) \
if (!(e)) { \
ERR_print_errors_fp(stderr); \
OpenSSLDie(__FILE__, __LINE__, #e); \
}
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)
{
const unsigned char shared_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 magma_key[] = {
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F,
0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
};
unsigned char mac_magma_key[] = {
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
};
const unsigned char magma_iv[] = { 0x67, 0xBE, 0xD6, 0x54 };
const unsigned char magma_export[] = {
0xCF, 0xD5, 0xA1, 0x2D, 0x5B, 0x81, 0xB6, 0xE1,
0xE9, 0x9C, 0x91, 0x6D, 0x07, 0x90, 0x0C, 0x6A,
0xC1, 0x27, 0x03, 0xFB, 0x3A, 0xBD, 0xED, 0x55,
0x56, 0x7B, 0xF3, 0x74, 0x2C, 0x89, 0x9C, 0x75,
0x5D, 0xAF, 0xE7, 0xB4, 0x2E, 0x3A, 0x8B, 0xD9
};
unsigned char kdftree_key[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
};
unsigned char kdf_label[] = { 0x26, 0xBD, 0xB8, 0x78 };
unsigned char kdf_seed[] =
{ 0xAF, 0x21, 0x43, 0x41, 0x45, 0x65, 0x63, 0x78 };
const unsigned char kdf_etalon[] = {
0x22, 0xB6, 0x83, 0x78, 0x45, 0xC6, 0xBE, 0xF6,
0x5E, 0xA7, 0x16, 0x72, 0xB2, 0x65, 0x83, 0x10,
0x86, 0xD3, 0xC7, 0x6A, 0xEB, 0xE6, 0xDA, 0xE9,
0x1C, 0xAD, 0x51, 0xD8, 0x3F, 0x79, 0xD1, 0x6B,
0x07, 0x4C, 0x93, 0x30, 0x59, 0x9D, 0x7F, 0x8D,
0x71, 0x2F, 0xCA, 0x54, 0x39, 0x2F, 0x4D, 0xDD,
0xE9, 0x37, 0x51, 0x20, 0x6B, 0x35, 0x84, 0xC8,
0xF4, 0x3F, 0x9E, 0x6D, 0xC5, 0x15, 0x31, 0xF9
};
const unsigned char tlstree_gh_etalon[] = {
0x50, 0x76, 0x42, 0xd9, 0x58, 0xc5, 0x20, 0xc6,
0xd7, 0xee, 0xf5, 0xca, 0x8a, 0x53, 0x16, 0xd4,
0xf3, 0x4b, 0x85, 0x5d, 0x2d, 0xd4, 0xbc, 0xbf,
0x4e, 0x5b, 0xf0, 0xff, 0x64, 0x1a, 0x19, 0xff,
};
unsigned char buf[32 + 16];
int ret = 0, err = 0;
int outlen = 40;
unsigned char kdf_result[64];
unsigned char kroot[32];
unsigned char tlsseq[8];
unsigned char out[32];
#ifdef _MSC_VER
_putenv_s("OPENSSL_ENGINES", ENGINE_DIR);
#else
setenv("OPENSSL_ENGINES", ENGINE_DIR, 0);
#endif
OPENSSL_add_all_algorithms_conf();
ERR_load_crypto_strings();
ENGINE *eng;
T(eng = ENGINE_by_id("gost"));
T(ENGINE_init(eng));
T(ENGINE_set_default(eng, ENGINE_METHOD_ALL));
memset(buf, 0, sizeof(buf));
memset(kroot, 0xFF, 32);
memset(tlsseq, 0, 8);
tlsseq[7] = 63;
memset(out, 0, 32);
ret = gost_kexp15(shared_key, 32,
NID_magma_ctr, magma_key,
NID_magma_mac, mac_magma_key, magma_iv, 4, buf, &outlen);
if (ret <= 0) {
ERR_print_errors_fp(stderr);
err = 1;
} else {
hexdump(stdout, "Magma key export", buf, 40);
if (memcmp(buf, magma_export, 40) != 0) {
fprintf(stdout, "ERROR! test failed\n");
err = 2;
}
}
ret = gost_kimp15(magma_export, 40,
NID_magma_ctr, magma_key,
NID_magma_mac, mac_magma_key, magma_iv, 4, buf);
if (ret <= 0) {
ERR_print_errors_fp(stderr);
err = 3;
} else {
hexdump(stdout, "Magma key import", buf, 32);
if (memcmp(buf, shared_key, 32) != 0) {
fprintf(stdout, "ERROR! test failed\n");
err = 4;
}
}
ret = gost_kdftree2012_256(kdf_result, 64, kdftree_key, 32, kdf_label, 4,
kdf_seed, 8, 1);
if (ret <= 0) {
ERR_print_errors_fp(stderr);
err = 5;
} else {
hexdump(stdout, "KDF TREE", kdf_result, 64);
if (memcmp(kdf_result, kdf_etalon, 64) != 0) {
fprintf(stdout, "ERROR! test failed\n");
err = 6;
}
}
ret = gost_tlstree(NID_grasshopper_cbc, kroot, out, tlsseq);
if (ret <= 0) {
ERR_print_errors_fp(stderr);
err = 7;
} else {
hexdump(stdout, "Gost TLSTREE - grasshopper", out, 32);
if (memcmp(out, tlstree_gh_etalon, 32) != 0) {
fprintf(stdout, "ERROR! test failed\n");
err = 8;
}
}
ENGINE_finish(eng);
ENGINE_free(eng);
return err;
}
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