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/*
* Test GOST 34.10 Sign/Verify operation for every curve parameter
*
* Copyright (C) 2019 vt@altlinux.org. All Rights Reserved.
*
* Contents licensed under the terms of the OpenSSL license
* See https://www.openssl.org/source/license.html for details
*/
#include "e_gost_err.h"
#include "gost_lcl.h"
#include <openssl/evp.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#include <openssl/asn1.h>
#include <openssl/obj_mac.h>
#include <openssl/ec.h>
#include <openssl/bn.h>
#include <string.h>
#include <stdlib.h>
#define T(e) ({ if (!(e)) { \
ERR_print_errors_fp(stderr); \
OpenSSLDie(__FILE__, __LINE__, #e); \
} \
})
#define TE(e) ({ if (!(e)) { \
ERR_print_errors_fp(stderr); \
fprintf(stderr, "Error at %s:%d %s\n", __FILE__, __LINE__, #e); \
return -1; \
} \
})
#define cRED "\033[1;31m"
#define cDRED "\033[0;31m"
#define cGREEN "\033[1;32m"
#define cDGREEN "\033[0;32m"
#define cBLUE "\033[1;34m"
#define cDBLUE "\033[0;34m"
#define cNORM "\033[m"
#define TEST_ASSERT(e) {if ((test = (e))) \
printf(cRED " Test FAILED\n" cNORM); \
else \
printf(cGREEN " Test passed\n" cNORM);}
struct test_sign {
const char *name;
unsigned int nid;
size_t bits;
const char *paramset;
};
#define D(x,y,z) { .name = #x, .nid = x, .bits = y, .paramset = z }
static struct test_sign test_signs[] = {
D(NID_id_GostR3410_2001_CryptoPro_A_ParamSet, 256, "A"),
D(NID_id_GostR3410_2001_CryptoPro_B_ParamSet, 256, "B"),
D(NID_id_GostR3410_2001_CryptoPro_C_ParamSet, 256, "C"),
D(NID_id_tc26_gost_3410_2012_256_paramSetA, 256, "TCA"),
D(NID_id_tc26_gost_3410_2012_256_paramSetB, 256, "TCB"),
D(NID_id_tc26_gost_3410_2012_256_paramSetC, 256, "TCC"),
D(NID_id_tc26_gost_3410_2012_256_paramSetD, 256, "TCD"),
D(NID_id_tc26_gost_3410_2012_512_paramSetA, 512, "A"),
D(NID_id_tc26_gost_3410_2012_512_paramSetB, 512, "B"),
D(NID_id_tc26_gost_3410_2012_512_paramSetC, 512, "C"),
0
};
#undef D
static void hexdump(const void *ptr, size_t len)
{
const unsigned char *p = ptr;
size_t i, j;
for (i = 0; i < len; i += j) {
for (j = 0; j < 16 && i + j < len; j++)
printf("%s %02x", j? "" : "\n", p[i + j]);
}
printf("\n");
}
static void print_test_tf(int err, int val, const char *t, const char *f)
{
if (err == 1)
printf(cGREEN "%s\n" cNORM, t);
else
printf(cRED "%s [%d]\n" cNORM, f, val);
}
static void print_test_result(int err)
{
if (err == 1)
printf(cGREEN "success\n" cNORM);
else if (err == 0)
printf(cRED "failure\n" cNORM);
else
ERR_print_errors_fp(stderr);
}
static int test_sign(struct test_sign *t)
{
int ret = 0, err;
size_t len = t->bits / 8;
printf(cBLUE "Test %s:\n" cNORM, t->name);
/* Signature type from size. */
int type = 0;
const char *algname = NULL;
switch (t->bits) {
case 256:
type = NID_id_GostR3410_2012_256;
algname = "gost2012_256";
break;
case 512:
type = NID_id_GostR3410_2012_512;
algname = "gost2012_512";
}
/* Keygen. */
EVP_PKEY *pkey;
T(pkey = EVP_PKEY_new());
TE(EVP_PKEY_set_type(pkey, type));
EVP_PKEY_CTX *ctx;
T(ctx = EVP_PKEY_CTX_new(pkey, NULL));
T(EVP_PKEY_keygen_init(ctx));
T(EVP_PKEY_CTX_ctrl(ctx, type, -1, EVP_PKEY_CTRL_GOST_PARAMSET, t->nid, NULL));
EVP_PKEY *priv_key = NULL;
err = EVP_PKEY_keygen(ctx, &priv_key);
printf("\tEVP_PKEY_keygen:\t");
print_test_result(err);
EVP_PKEY_CTX_free(ctx);
EVP_PKEY_free(pkey);
if (err != 1)
return -1;
/* Create another key using string interface. */
EVP_PKEY *key1;
T(key1 = EVP_PKEY_new());
T(EVP_PKEY_set_type_str(key1, algname, strlen(algname)));
EVP_PKEY_CTX *ctx1;
T(ctx1 = EVP_PKEY_CTX_new(key1, NULL));
T(EVP_PKEY_keygen_init(ctx1));
T(EVP_PKEY_CTX_ctrl_str(ctx1, "paramset", t->paramset));
EVP_PKEY *key2 = NULL;
err = EVP_PKEY_keygen(ctx1, &key2);
printf("\tEVP_PKEY_*_str:\t\t");
print_test_result(err);
/* Check if key type and curve_name match expected values. */
int id = EVP_PKEY_id(key2);
err = id == type;
printf("\tEVP_PKEY_id (%d):\t", type);
print_test_tf(err, id, "match", "mismatch");
ret |= !err;
const EC_KEY *ec = EVP_PKEY_get0(key2);
const EC_GROUP *group = EC_KEY_get0_group(ec);
int curve_name = EC_GROUP_get_curve_name(group);
err = curve_name == t->nid;
printf("\tcurve_name (%d):\t", t->nid);
print_test_tf(err, curve_name, "match", "mismatch");
ret |= !err;
/* Compare both keys.
* Parameters should match, public keys should mismatch.
*/
err = EVP_PKEY_cmp_parameters(priv_key, key2);
printf("\tEVP_PKEY_cmp_parameters:");
print_test_tf(err, err, "success", "failure");
ret |= err != 1;
err = EVP_PKEY_cmp(priv_key, key2);
err = (err < 0) ? err : !err;
printf("\tEVP_PKEY_cmp:\t\t");
print_test_tf(err, err, "differ (good)", "equal (error)");
ret |= err != 1;
EVP_PKEY_CTX_free(ctx1);
EVP_PKEY_free(key1);
/*
* Prepare for sign testing.
*/
size_t siglen = EVP_PKEY_size(priv_key);
unsigned char *sig;
T(sig = OPENSSL_malloc(siglen));
unsigned char *hash;
T(hash = OPENSSL_zalloc(len));
T(ctx = EVP_PKEY_CTX_new(priv_key, NULL));
/* Sign. */
T(EVP_PKEY_sign_init(ctx));
err = EVP_PKEY_sign(ctx, sig, &siglen, hash, len);
printf("\tEVP_PKEY_sign:\t\t");
print_test_result(err);
ret |= err != 1;
/* Non-determinism test.
* Check that different signatures for the same data
* are not equal. */
unsigned char *sig2;
T(sig2 = OPENSSL_malloc(siglen));
TE(EVP_PKEY_sign(ctx, sig2, &siglen, hash, len) == 1);
printf("\tNon-determinism:\t");
err = !!memcmp(sig, sig2, siglen);
print_test_result(err);
ret |= err != 1;
OPENSSL_free(sig2);
/* Verify. */
T(EVP_PKEY_verify_init(ctx));
hash[0]++; /* JFF */
err = EVP_PKEY_verify(ctx, sig, siglen, hash, len);
printf("\tEVP_PKEY_verify:\t");
print_test_result(err);
ret |= err != 1;
/* False positive Verify. */
T(EVP_PKEY_verify_init(ctx));
hash[0]++;
err = EVP_PKEY_verify(ctx, sig, siglen, hash, len);
err = (err < 0) ? err : !err;
printf("\tFalse positive test:\t");
print_test_result(err);
ret |= err != 1;
EVP_PKEY_CTX_free(ctx);
OPENSSL_free(sig);
OPENSSL_free(hash);
return ret;
}
int main(int argc, char **argv)
{
int ret = 0;
setenv("OPENSSL_CONF", "../example.conf", 0);
OPENSSL_add_all_algorithms_conf();
ERR_load_crypto_strings();
struct test_sign *sp;
for (sp = test_signs; sp->name; sp++)
ret |= test_sign(sp);
if (ret)
printf(cDRED "= Some tests FAILED!\n" cNORM);
else
printf(cDGREEN "= All tests passed!\n" cNORM);
return ret;
}
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