add mgm test

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0c8cb2c6e93d553d57a9805c99a3054b761d5adb..3888d44d6e727730a11b50d21008c5301a5ce336 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -234,6 +234,11 @@ target_link_libraries(test_gost89 gost_engine gost_core ${OPENSSL_CRYPTO_LIBRARY
 add_test(NAME gost89
        COMMAND test_gost89)
 
+add_executable(test_mgm test_mgm.c)
+target_link_libraries(test_mgm gost_engine gost_core ${OPENSSL_CRYPTO_LIBRARY})
+add_test(NAME mgm
+        COMMAND test_mgm)
+
 if(NOT SKIP_PERL_TESTS)
     execute_process(COMMAND perl -MTest2::V0 -e ""
        ERROR_QUIET RESULT_VARIABLE HAVE_TEST2_V0)
@@ -263,6 +268,7 @@ set(BINARY_TESTS_TARGETS
         test_keyexpimp
         test_gost89
        test_tls
+        test_mgm
         )
 set_property(TARGET ${BINARY_TESTS_TARGETS} APPEND PROPERTY COMPILE_DEFINITIONS ENGINE_DIR="${OUTPUT_DIRECTORY}")
 

diff --git a/test_mgm.c b/test_mgm.c
new file mode 100644 (file)
index 0000000..43135ac
--- /dev/null
+++ b/test_mgm.c
@@ -0,0 +1,267 @@
+/*
+ * Test "Recommendations for standardization R 1323565.1.026 - 2019"
+ * authentivated encryption block cipher operation modes
+ *
+ * Copyright (C) 2019-2020 Vitaly Chikunov <vt@altlinux.org>. All Rights Reserved.
+ * Copyright (c) 2020-2021 JSC "NPK "Kryptonite" <i.kirillov@kryptonite.ru>.
+ * Code based on test_ciphers.c from master branch.
+ *
+ * Contents licensed under the terms of the OpenSSL license
+ * See https://www.openssl.org/source/license.html for details
+ */
+
+#include <openssl/engine.h>
+#include <openssl/evp.h>
+#include <string.h>
+
+#define T(e) ({ \
+    if (!(e)) {\
+       ERR_print_errors_fp(stderr);\
+       OpenSSLDie(__FILE__, __LINE__, #e);\
+    } \
+})
+
+#define TEST_ASSERT(e) {if ((test = (e))) \
+                printf("Test FAILED\n"); \
+            else \
+                printf("Test passed\n");}
+
+
+/* MGM-Encrypt/MGM-decrypt test data from "R 1323565.1.026-2019" */
+
+const unsigned char gh_key[32] = {
+    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 gh_nonce[16] = {
+    0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x00, 0xFF, 0xEE, 0xDD, 0xCC, 0xBB, 0xAA, 0x99, 0x88
+};
+
+const unsigned char gh_adata[41] = {
+    0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
+    0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
+    0xEA, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05
+};
+
+const unsigned char gh_pdata[67] = {
+    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,
+    0xAA, 0xBB, 0xCC
+};
+
+const unsigned char gh_e_cdata[67] = {
+    0xA9, 0x75, 0x7B, 0x81, 0x47, 0x95, 0x6E, 0x90, 0x55, 0xB8, 0xA3, 0x3D, 0xE8, 0x9F, 0x42, 0xFC,
+    0x80, 0x75, 0xD2, 0x21, 0x2B, 0xF9, 0xFD, 0x5B, 0xD3, 0xF7, 0x06, 0x9A, 0xAD, 0xC1, 0x6B, 0x39,
+    0x49, 0x7A, 0xB1, 0x59, 0x15, 0xA6, 0xBA, 0x85, 0x93, 0x6B, 0x5D, 0x0E, 0xA9, 0xF6, 0x85, 0x1C,
+    0xC6, 0x0C, 0x14, 0xD4, 0xD3, 0xF8, 0x83, 0xD0, 0xAB, 0x94, 0x42, 0x06, 0x95, 0xC7, 0x6D, 0xEB,
+    0x2C, 0x75, 0x52
+};
+
+const unsigned char gh_e_tag[16] = {
+    0xCF, 0x5D, 0x65, 0x6F, 0x40, 0xC3, 0x4F, 0x5C, 0x46, 0xE8, 0xBB, 0x0E, 0x29, 0xFC, 0xDB, 0x4C
+};
+
+const unsigned char mg_key[32] = { 
+    0xFF, 0xee, 0xDD, 0xcc, 0xbb, 0xaa, 0x99, 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, 0x00,
+    0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xff
+};
+
+const unsigned char mg_nonce[8] = {
+    0x12, 0xDE, 0xF0, 0x6B, 0x3C, 0x13, 0x0A, 0x59
+};
+
+const unsigned char mg_adata[41] = {
+    0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
+    0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
+    0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0xea
+};
+
+const unsigned char mg_pdata[67] = {
+    0xFF, 0xee, 0xDD, 0xcc, 0xbb, 0xaa, 0x99, 0x88, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x00,
+    0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xee, 0xFF, 0x0A, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+    0x99, 0xaa, 0xbb, 0xcc, 0xee, 0xFF, 0x0a, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88,
+    0xaa, 0xbb, 0xcc, 0xee, 0xFF, 0x0a, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99,
+    0xaa, 0xbb, 0xcc
+};
+
+const unsigned char mg_e_cdata[67] = {
+    0xc7, 0x95, 0x06, 0x6c, 0x5f, 0x9e, 0xa0, 0x3b, 0x85, 0x11, 0x33, 0x42, 0x45, 0x91, 0x85, 0xae,
+    0x1f, 0x2e, 0x00, 0xd6, 0xbf, 0x2b, 0x78, 0x5d, 0x94, 0x04, 0x70, 0xb8, 0xbb, 0x9c, 0x8e, 0x7d,
+    0x9a, 0x5d, 0xd3, 0x73, 0x1f, 0x7d, 0xdc, 0x70, 0xec, 0x27, 0xcb, 0x0a, 0xce, 0x6f, 0xa5, 0x76,
+    0x70, 0xf6, 0x5c, 0x64, 0x6a, 0xbb, 0x75, 0xd5, 0x47, 0xaa, 0x37, 0xc3, 0xbc, 0xb5, 0xc3, 0x4e,
+    0x03, 0xbb, 0x9c
+};
+
+const unsigned char mg_e_tag[8] = {
+    0xa7, 0x92, 0x80, 0x69, 0xaa, 0x10, 0xfd, 0x10
+};
+
+// typedef enum {
+//     mgm_gh_alg = 0,
+//     mgm_mg_alg,
+// } mgm_alg;
+
+
+static struct testcase {
+    int nid;
+    const unsigned char *key;
+    const unsigned char *nonce;
+    size_t nonce_len;
+    const unsigned char *aad;
+    size_t aad_len;
+    const unsigned char *plaintext;
+    size_t ptext_len;
+    const unsigned char *expected;
+    const unsigned char *expected_tag;
+} testcases[] = {     
+    {
+        .nid = NID_kuznyechik_mgm,
+        .key = gh_key,
+        .nonce = gh_nonce,
+        .nonce_len = sizeof(gh_nonce),
+        .aad = gh_adata,
+        .aad_len = sizeof(gh_adata),
+        .plaintext = gh_pdata,
+        .ptext_len = sizeof(gh_pdata),
+        .expected = gh_e_cdata,
+        .expected_tag = gh_e_tag
+    },
+    {
+        .nid = NID_magma_mgm,
+        .key = mg_key,
+        .nonce = mg_nonce,
+        .nonce_len = sizeof(mg_nonce),
+        .aad = mg_adata,
+        .aad_len = sizeof(mg_adata),
+        .plaintext = mg_pdata,
+        .ptext_len = sizeof(mg_pdata),
+        .expected = mg_e_cdata,
+        .expected_tag = mg_e_tag
+    },
+    { 0 }
+};
+
+static int test_block(const EVP_CIPHER *ciph, const char *name, const unsigned char *nonce, size_t nlen,
+                      const unsigned char *aad, size_t alen, const unsigned char *ptext, size_t plen,
+                      const unsigned char *exp_ctext, const unsigned char *exp_tag,
+                      const unsigned char * key, int small)
+{
+    EVP_CIPHER_CTX *ctx = EVP_CIPHER_CTX_new();
+    unsigned char c[plen];
+    int tag_len = nlen;
+    unsigned char t[tag_len];
+    int outlen1, outlen2, tmplen;
+    int ret = 0, rv, test, i;
+
+    OPENSSL_assert(ctx);
+    printf("Encryption test %s [%s]: ", name, small ? "small chunks" : "big chunks");
+
+    // test encrypt
+    EVP_CIPHER_CTX_init(ctx);
+    EVP_EncryptInit_ex(ctx, ciph, NULL, NULL, NULL);                    // Set cipher type and mode
+    EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN, nlen, NULL);      // Set IV length
+    EVP_EncryptInit_ex(ctx, NULL, NULL, key, nonce);                    // Initialise key and IV
+    memset(c, 0, sizeof(c));
+    if (!small) {
+        // test big chunks
+        EVP_EncryptUpdate(ctx, NULL, &outlen1, aad, alen);              // Zero or more calls to specify any AAD
+        EVP_EncryptUpdate(ctx, c, &outlen2, ptext, plen);               // Encrypt plaintext
+    } else {
+        // test small chunks
+        outlen1 = outlen2 = 0;
+        unsigned char *p;
+        for (i = 0; i < alen; i++) {
+            EVP_EncryptUpdate(ctx, NULL, &tmplen, aad + i, 1);
+            outlen1 += tmplen;
+        }
+        for (i = 0, p = c; i < plen; i++) {
+            EVP_EncryptUpdate(ctx, p, &tmplen, ptext + i, 1);
+            p += tmplen;
+            outlen2 += tmplen;
+        }
+    }
+    EVP_EncryptFinal_ex(ctx, c, &tmplen);
+    EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, tag_len, t);
+    EVP_CIPHER_CTX_cleanup(ctx);
+
+    TEST_ASSERT(outlen1 != alen || outlen2 != plen || 
+                memcmp(c, exp_ctext, plen) || 
+                memcmp(t, exp_tag, tag_len));
+    ret |= test;
+
+
+    // test decrtypt
+    printf("Decryption test %s [%s]: ", name, small ? "small chunks" : "big chunks");
+    EVP_CIPHER_CTX_init(ctx);
+    EVP_DecryptInit_ex(ctx, ciph, NULL, NULL, NULL);
+    EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN, nlen, NULL);
+    EVP_DecryptInit_ex(ctx, NULL, NULL, key, nonce);
+    memset(c, 0, sizeof(c));
+    if (!small) {
+        // test big chunks
+        EVP_DecryptUpdate(ctx, NULL, &outlen1, aad, alen);
+        EVP_DecryptUpdate(ctx, c, &outlen2, exp_ctext, plen);
+    } else {
+        // test small chunks
+        outlen1 = outlen2 = 0;
+        unsigned char *p;
+        for (i = 0; i < alen; i++) {
+            EVP_DecryptUpdate(ctx, NULL, &tmplen, aad + i, 1);
+            outlen1 += tmplen;
+        }
+        for (i = 0, p = c; i < plen; i++) {
+            EVP_DecryptUpdate(ctx, p, &tmplen, exp_ctext + i, 1);
+            p += tmplen;
+            outlen2 += tmplen;
+        }
+    }
+    EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, tag_len, (void *)exp_tag);
+    rv = EVP_DecryptFinal_ex(ctx, c, &tmplen);
+    EVP_CIPHER_CTX_cleanup(ctx);
+    EVP_CIPHER_CTX_free(ctx);
+
+    TEST_ASSERT(outlen1 != alen || outlen2 != plen || 
+                memcmp(c, ptext, plen) || rv != 1);
+    ret |= test;
+
+    return ret;
+}
+
+int main(void)
+{
+    int ret = 0;
+    const struct testcase *t;
+
+    setenv("OPENSSL_ENGINES", ENGINE_DIR, 0);
+    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));
+
+    for (t = testcases; t->nid; t++) {
+        int small;
+        const EVP_CIPHER *ciph = EVP_get_cipherbynid(t->nid);
+           const char *name = EVP_CIPHER_name(ciph);
+        
+        printf("Tests for %s\n", name);
+        for (small = 0; small <= 1; small++)
+            ret |= test_block(ciph, name, t->nonce, t->nonce_len,
+                              t->aad, t->aad_len, t->plaintext, t->ptext_len,
+                              t->expected, t->expected_tag, t->key, small);
+    }
+
+    ENGINE_finish(eng);
+    ENGINE_free(eng);
+
+    if (ret) {
+           printf("Some tests FAILED!\n");
+    } else {
+           printf("All tests passed!\n");
+    }
+    return ret;
+}