#include "gost_grasshopper_math.h"
#include "gost_grasshopper_core.h"
#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 <string.h>
+#define T(e) if (!(e)) {\
+ ERR_print_errors_fp(stderr);\
+ OpenSSLDie(__FILE__, __LINE__, #e);\
+ }
+
+#define cRED "\033[1;31m"
+#define cGREEN "\033[1;32m"
+#define cNORM "\033[m"
+#define TEST_ASSERT(e) {if ((test = (e))) \
+ printf(cRED "Test FAILED\n" cNORM); \
+ else \
+ printf(cGREEN "Test passed\n" cNORM);}
+
enum e_mode {
E_ECB = 0,
E_CTR
};
-static void hexdump(void *ptr, size_t len)
+/* Test key from both GOST R 34.12-2015 and GOST R 34.13-2015. */
+static const unsigned char K[] = {
+ 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,
+};
+
+/* Plaintext from GOST R 34.13-2015 A.1.
+ * First 16 bytes is vector (a) from GOST R 34.12-2015 A.1. */
+static const unsigned char P[] = {
+ 0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x00,0xff,0xee,0xdd,0xcc,0xbb,0xaa,0x99,0x88,
+ 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,
+ 0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,0x00,
+ 0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,0x00,0x11,
+};
+
+static void hexdump(const void *ptr, size_t len)
{
- unsigned char *p = ptr;
- size_t i;
+ const unsigned char *p = ptr;
+ size_t i, j;
- for (i = 0; i < len; i++)
- printf(" %02x", p[i]);
- printf("\n");
+ for (i = 0; i < len; i += j) {
+ for (j = 0; j < 16 && i + j < len; j++)
+ printf("%s%02x", j? " " : "\t", p[i + j]);
+ printf("\n");
+ }
}
/* Test vectors from GOST R 34.13-2015 A.1 which* includes vectors
- * from GOST R 34.12-2015 A.1 as first block of ecb mode */
+ * from GOST R 34.12-2015 A.1 as first block of ecb mode. */
static int test_modes(const EVP_CIPHER *type, const char *mode, enum e_mode t)
{
EVP_CIPHER_CTX ctx;
- unsigned char k[] = {
- 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,
- };
- unsigned char p[] = {
- /* plaintext from GOST R 34.13-2015 A.1 */
- /* first 16 bytes is vector (a) from GOST R 34.12-2015 A.1 */
- 0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x00,0xff,0xee,0xdd,0xcc,0xbb,0xaa,0x99,0x88,
- 0x00,0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,
- 0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,0x00,
- 0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xaa,0xbb,0xcc,0xee,0xff,0x0a,0x00,0x11,
- };
- unsigned char e[4][sizeof(p)] = {
- { /* ecb test vectors from GOST R 34.13-2015 A.1.1 */
+ unsigned char e[4][sizeof(P)] = {
+ { /* ECB test vectors from GOST R 34.13-2015 A.1.1 */
/* first 16 bytes is vector (b) from GOST R 34.12-2015 A.1 */
0x7f,0x67,0x9d,0x90,0xbe,0xbc,0x24,0x30,0x5a,0x46,0x8d,0x42,0xb9,0xd4,0xed,0xcd,
0xb4,0x29,0x91,0x2c,0x6e,0x00,0x32,0xf9,0x28,0x54,0x52,0xd7,0x67,0x18,0xd0,0x8b,
0xf0,0xca,0x33,0x54,0x9d,0x24,0x7c,0xee,0xf3,0xf5,0xa5,0x31,0x3b,0xd4,0xb1,0x57,
0xd0,0xb0,0x9c,0xcd,0xe8,0x30,0xb9,0xeb,0x3a,0x02,0xc4,0xc5,0xaa,0x8a,0xda,0x98,
},
- { /* ctr test vectors from GOST R 34.13-2015 A.1.2 */
+ { /* CTR test vectors from GOST R 34.13-2015 A.1.2 */
0xf1,0x95,0xd8,0xbe,0xc1,0x0e,0xd1,0xdb,0xd5,0x7b,0x5f,0xa2,0x40,0xbd,0xa1,0xb8,
0x85,0xee,0xe7,0x33,0xf6,0xa1,0x3e,0x5d,0xf3,0x3c,0xe4,0xb3,0x3c,0x45,0xde,0xe4,
0xa5,0xea,0xe8,0x8b,0xe6,0x35,0x6e,0xd3,0xd5,0xe8,0x77,0xf1,0x35,0x64,0xa3,0xa5,
};
unsigned char iv_ctr[] = { 0x12,0x34,0x56,0x78,0x90,0xab,0xce,0xf0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };
unsigned char *iv[4] = { NULL, iv_ctr, };
- unsigned char c[sizeof(p)];
+ unsigned char c[sizeof(P)];
int outlen, tmplen;
int ret = 0, test;
printf("Encryption test from GOST R 34.13-2015 [%s] \n", mode);
+ if (!t) {
+ printf(" p[%zu] =\n", sizeof(P));
+ hexdump(P, sizeof(P));
+ }
EVP_CIPHER_CTX_init(&ctx);
- EVP_CipherInit_ex(&ctx, type, NULL, k, iv[t], 1);
- EVP_CIPHER_CTX_set_padding(&ctx, 0);
- EVP_CipherUpdate(&ctx, c, &outlen, p, sizeof(p));
- EVP_CipherFinal_ex(&ctx, c + outlen, &tmplen);
+ T(EVP_CipherInit_ex(&ctx, type, NULL, K, iv[t], 1));
+ T(EVP_CIPHER_CTX_set_padding(&ctx, 0));
+ memset(c, 0, sizeof(c));
+ T(EVP_CipherUpdate(&ctx, c, &outlen, P, sizeof(P)));
+ T(EVP_CipherFinal_ex(&ctx, c + outlen, &tmplen));
EVP_CIPHER_CTX_cleanup(&ctx);
- // hexdump(c, outlen);
+ printf(" c[%d] =\n", outlen);
+ hexdump(c, outlen);
- test = outlen != sizeof(p) ||
- memcmp(c, e[t], sizeof(p));
-
- printf("Test %s\n", test? "FAILED" : "passed");
+ TEST_ASSERT(outlen != sizeof(P) ||
+ memcmp(c, e[t], sizeof(P)));
ret |= test;
if (t == E_CTR) {
printf("Stream encryption test from GOST R 34.13-2015 [%s] \n", mode);
EVP_CIPHER_CTX_init(&ctx);
- EVP_CipherInit_ex(&ctx, type, NULL, k, iv[t], 1);
+ EVP_CipherInit_ex(&ctx, type, NULL, K, iv[t], 1);
EVP_CIPHER_CTX_set_padding(&ctx, 0);
- for (i = 0; i < sizeof(p); i++) {
- EVP_CipherUpdate(&ctx, c + i, &outlen, p + i, 1);
+ memset(c, 0, sizeof(c));
+ for (i = 0; i < sizeof(P); i++) {
+ EVP_CipherUpdate(&ctx, c + i, &outlen, P + i, 1);
OPENSSL_assert(outlen == 1);
}
outlen = i;
EVP_CipherFinal_ex(&ctx, c + outlen, &tmplen);
EVP_CIPHER_CTX_cleanup(&ctx);
+ printf(" c[%d] =\n", outlen);
+ hexdump(c, outlen);
- test = outlen != sizeof(p) ||
- memcmp(c, e[t], sizeof(p));
-
- printf("Test %s\n", test? "FAILED" : "passed");
+ TEST_ASSERT(outlen != sizeof(P) ||
+ memcmp(c, e[t], sizeof(P)));
#if 0
ret |= test;
#endif
printf("Decryption test from GOST R 34.13-2015 [%s] \n", mode);
EVP_CIPHER_CTX_init(&ctx);
- EVP_CipherInit_ex(&ctx, type, NULL, k, iv[t], 0);
- EVP_CIPHER_CTX_set_padding(&ctx, 0);
- EVP_CipherUpdate(&ctx, c, &outlen, e[t], sizeof(p));
- EVP_CipherFinal_ex(&ctx, c + outlen, &tmplen);
+ T(EVP_CipherInit_ex(&ctx, type, NULL, K, iv[t], 0));
+ T(EVP_CIPHER_CTX_set_padding(&ctx, 0));
+ memset(c, 0, sizeof(c));
+ T(EVP_CipherUpdate(&ctx, c, &outlen, e[t], sizeof(P)));
+ T(EVP_CipherFinal_ex(&ctx, c + outlen, &tmplen));
EVP_CIPHER_CTX_cleanup(&ctx);
+ printf(" d[%d] =\n", outlen);
+ hexdump(c, outlen);
- test = outlen != sizeof(p) ||
- memcmp(c, p, sizeof(p));
-
- printf("Test %s\n", test? "FAILED" : "passed");
+ TEST_ASSERT(outlen != sizeof(P) ||
+ memcmp(c, P, sizeof(P)));
ret |= test;
return ret;
}
+static int test_omac()
+{
+ EVP_MD_CTX ctx;
+ unsigned char e[] = { 0x33,0x6f,0x4d,0x29,0x60,0x59,0xfb,0xe3 };
+ unsigned char md_value[EVP_MAX_MD_SIZE];
+ unsigned int md_len;
+ int test;
+
+ printf("OMAC test from GOST R 34.13-2015\n");
+ EVP_MD_CTX_init(&ctx);
+ /* preload cbc cipher for omac set key */
+ EVP_add_cipher(cipher_gost_grasshopper_cbc());
+ T(EVP_DigestInit_ex(&ctx, grasshopper_omac(), NULL));
+ if (EVP_MD_CTX_size(&ctx) != 8) {
+ /* strip const out of EVP_MD_CTX_md() to
+ * overwrite output size, as test vector is 8 bytes */
+ T(EVP_MD_meth_set_result_size((EVP_MD *)EVP_MD_CTX_md(&ctx), 8));
+ }
+ T(EVP_MD_meth_get_ctrl(EVP_MD_CTX_md(&ctx))(&ctx, EVP_MD_CTRL_SET_KEY, sizeof(K), (void *)K));
+ T(EVP_DigestUpdate(&ctx, P, sizeof(P)));
+ T(EVP_DigestFinal_ex(&ctx, md_value, &md_len));
+ EVP_MD_CTX_cleanup(&ctx);
+ printf(" MAC[%u] =\n", md_len);
+ hexdump(md_value, md_len);
+
+ TEST_ASSERT(md_len != sizeof(e) ||
+ memcmp(e, md_value, md_len));
+
+ return test;
+}
+
int main(int argc, char **argv)
{
int ret = 0;
* Also, current grasshopper code having fixed IV length of 128 bits.
*/
+ ret |= test_omac();
+
return ret;
}