Fix no-ec
[openssl.git] / test / drbgtest.c
index b1fc751cd97cd36606ecc7303ae199f5678e151e..4c872f88715bd714dd1e1a0e7c626746c71f34ed 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright 2011-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2011-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -88,16 +88,19 @@ typedef struct drbg_selftest_data_st {
     pr##_pr_returnedbits, sizeof(pr##_pr_returnedbits) \
     }
 
-#define make_drbg_test_data_df(nid, pr, p) \
-    make_drbg_test_data(nid, RAND_DRBG_FLAG_CTR_USE_DF, pr, p)
+#define make_drbg_test_data_use_df(nid, pr, p) \
+    make_drbg_test_data(nid, 0, pr, p)
+
+#define make_drbg_test_data_no_df(nid, pr, p)                      \
+    make_drbg_test_data(nid, RAND_DRBG_FLAG_CTR_NO_DF, pr, p)
 
 static DRBG_SELFTEST_DATA drbg_test[] = {
-    make_drbg_test_data   (NID_aes_128_ctr, 0, aes_128_no_df, 0),
-    make_drbg_test_data   (NID_aes_192_ctr, 0, aes_192_no_df, 0),
-    make_drbg_test_data   (NID_aes_256_ctr, 0, aes_256_no_df, 1),
-    make_drbg_test_data_df(NID_aes_128_ctr,    aes_128_use_df, 0),
-    make_drbg_test_data_df(NID_aes_192_ctr,    aes_192_use_df, 0),
-    make_drbg_test_data_df(NID_aes_256_ctr,    aes_256_use_df, 1),
+    make_drbg_test_data_no_df (NID_aes_128_ctr, aes_128_no_df,  0),
+    make_drbg_test_data_no_df (NID_aes_192_ctr, aes_192_no_df,  0),
+    make_drbg_test_data_no_df (NID_aes_256_ctr, aes_256_no_df,  1),
+    make_drbg_test_data_use_df(NID_aes_128_ctr, aes_128_use_df, 0),
+    make_drbg_test_data_use_df(NID_aes_192_ctr, aes_192_use_df, 0),
+    make_drbg_test_data_use_df(NID_aes_256_ctr, aes_256_use_df, 1),
 };
 
 static int app_data_index;
@@ -115,7 +118,8 @@ typedef struct test_ctx_st {
 } TEST_CTX;
 
 static size_t kat_entropy(RAND_DRBG *drbg, unsigned char **pout,
-                          int entropy, size_t min_len, size_t max_len)
+                          int entropy, size_t min_len, size_t max_len,
+                          int prediction_resistance)
 {
     TEST_CTX *t = (TEST_CTX *)RAND_DRBG_get_ex_data(drbg, app_data_index);
 
@@ -179,7 +183,7 @@ static int single_kat(DRBG_SELFTEST_DATA *td)
     /* Reseed DRBG with test entropy and additional input */
     t.entropy = td->entropyreseed;
     t.entropylen = td->entropyreseedlen;
-    if (!TEST_true(RAND_DRBG_reseed(drbg, td->adinreseed, td->adinreseedlen)
+    if (!TEST_true(RAND_DRBG_reseed(drbg, td->adinreseed, td->adinreseedlen, 0)
             || !TEST_true(RAND_DRBG_generate(drbg, buff, td->kat2len, 0,
                                              td->adin2, td->adin2len))
             || !TEST_mem_eq(td->kat2, td->kat2len, buff, td->kat2len)))
@@ -412,12 +416,12 @@ static int error_check(DRBG_SELFTEST_DATA *td)
 
     /* Test explicit reseed with too large additional input */
     if (!init(drbg, td, &t)
-            || RAND_DRBG_reseed(drbg, td->adin, drbg->max_adinlen + 1) > 0)
+            || RAND_DRBG_reseed(drbg, td->adin, drbg->max_adinlen + 1, 0) > 0)
         goto err;
 
     /* Test explicit reseed with entropy source failure */
     t.entropylen = 0;
-    if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen), 0)
+    if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen, 0), 0)
             || !uninstantiate(drbg))
         goto err;
 
@@ -425,7 +429,7 @@ static int error_check(DRBG_SELFTEST_DATA *td)
     if (!init(drbg, td, &t))
         goto err;
     t.entropylen = drbg->max_entropylen + 1;
-    if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen), 0)
+    if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen, 0), 0)
             || !uninstantiate(drbg))
         goto err;
 
@@ -433,12 +437,12 @@ static int error_check(DRBG_SELFTEST_DATA *td)
     if (!init(drbg, td, &t))
         goto err;
     t.entropylen = drbg->min_entropylen - 1;
-    if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen), 0)
+    if (!TEST_int_le(RAND_DRBG_reseed(drbg, td->adin, td->adinlen, 0), 0)
             || !uninstantiate(drbg))
         goto err;
 
     /* Standard says we have to check uninstantiate really zeroes */
-    if (!TEST_mem_eq(zero, sizeof(drbg->ctr), &drbg->ctr, sizeof(drbg->ctr)))
+    if (!TEST_mem_eq(zero, sizeof(drbg->data), &drbg->data, sizeof(drbg->data)))
         goto err;
 
     ret = 1;
@@ -501,7 +505,8 @@ static HOOK_CTX *get_hook_ctx(RAND_DRBG *drbg)
 
 /* Intercepts and counts calls to the get_entropy() callback */
 static size_t get_entropy_hook(RAND_DRBG *drbg, unsigned char **pout,
-                          int entropy, size_t min_len, size_t max_len)
+                              int entropy, size_t min_len, size_t max_len,
+                              int prediction_resistance)
 {
     size_t ret;
     HOOK_CTX *ctx = get_hook_ctx(drbg);
@@ -509,8 +514,8 @@ static size_t get_entropy_hook(RAND_DRBG *drbg, unsigned char **pout,
     if (ctx->fail != 0)
         return 0;
 
-    ret = ctx->get_entropy(
-        drbg, pout, entropy, min_len, max_len);
+    ret = ctx->get_entropy(drbg, pout, entropy, min_len, max_len,
+                           prediction_resistance);
 
     if (ret != 0)
         ctx->reseed_count++;
@@ -573,6 +578,7 @@ static int test_drbg_reseed(int expect_success,
                            )
 {
     unsigned char buf[32];
+    time_t before_reseed, after_reseed;
     int expected_state = (expect_success ? DRBG_READY : DRBG_ERROR);
 
     /*
@@ -595,9 +601,11 @@ static int test_drbg_reseed(int expect_success,
      */
 
     /* Generate random output from the public and private DRBG */
+    before_reseed = expect_master_reseed == 1 ? time(NULL) : 0;
     if (!TEST_int_eq(RAND_bytes(buf, sizeof(buf)), expect_success)
         || !TEST_int_eq(RAND_priv_bytes(buf, sizeof(buf)), expect_success))
         return 0;
+    after_reseed = time(NULL);
 
 
     /*
@@ -633,6 +641,16 @@ static int test_drbg_reseed(int expect_success,
         if (!TEST_int_eq(public->reseed_counter, master->reseed_counter)
             || !TEST_int_eq(private->reseed_counter, master->reseed_counter))
             return 0;
+
+        /* Test whether reseed time of master DRBG is set correctly */
+        if (!TEST_time_t_le(before_reseed, master->reseed_time)
+            || !TEST_time_t_le(master->reseed_time, after_reseed))
+            return 0;
+
+        /* Test whether reseed times of child DRBGs are synchronized with master */
+        if (!TEST_time_t_ge(public->reseed_time, master->reseed_time)
+            || !TEST_time_t_ge(private->reseed_time, master->reseed_time))
+            return 0;
     } else {
         ERR_clear_error();
     }