]> wagner.pp.ru Git - openssl-gost/engine.git/commitdiff
test_grasshopper: Test for OMAC
authorVitaly Chikunov <vt@altlinux.org>
Sun, 22 Jul 2018 05:59:53 +0000 (08:59 +0300)
committerVitaly Chikunov <vt@altlinux.org>
Sun, 22 Jul 2018 06:42:28 +0000 (09:42 +0300)
test_grasshopper.c

index 772afa9da1d7e6529dac472d5fcea07003c9ac7b..e5a09887b6eb848ef4caaf08ff72a338ed7014e0 100644 (file)
 #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,
@@ -65,23 +84,27 @@ static int test_modes(const EVP_CIPHER *type, const char *mode, enum e_mode t)
     };
     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) {
@@ -89,20 +112,21 @@ static int test_modes(const EVP_CIPHER *type, const char *mode, enum e_mode t)
 
        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
@@ -110,21 +134,53 @@ static int test_modes(const EVP_CIPHER *type, const char *mode, enum e_mode t)
 
     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;
@@ -139,5 +195,7 @@ int main(int argc, char **argv)
      * Also, current grasshopper code having fixed IV length of 128 bits.
      */
 
+    ret |= test_omac();
+
     return ret;
 }