[openssl] master update

Dr. Paul Dale pauli at openssl.org
Mon Mar 18 03:38:03 UTC 2019


The branch master has been updated
       via  e2f5081116d8b3dadd602fcf611bc6584ab395f7 (commit)
      from  253d7622222166959d1a5e724434aae3fbd2537d (commit)


- Log -----------------------------------------------------------------
commit e2f5081116d8b3dadd602fcf611bc6584ab395f7
Author: Shane Lontis <shane.lontis at oracle.com>
Date:   Mon Mar 18 10:39:07 2019 +1000

    coverity fixes for bntest.c
    
    Reviewed-by: Paul Yang <yang.yang at baishancloud.com>
    Reviewed-by: Paul Dale <paul.dale at oracle.com>
    (Merged from https://github.com/openssl/openssl/pull/8508)

-----------------------------------------------------------------------

Summary of changes:
 test/bntest.c | 386 ++++++++++++++++++++++++++++++++--------------------------
 1 file changed, 212 insertions(+), 174 deletions(-)

diff --git a/test/bntest.c b/test/bntest.c
index 8c8acb6..976dbf4 100644
--- a/test/bntest.c
+++ b/test/bntest.c
@@ -160,10 +160,11 @@ static int test_swap(void)
             || !TEST_ptr(d = BN_new()))
         goto err;
 
-    BN_bntest_rand(a, 1024, 1, 0);
-    BN_bntest_rand(b, 1024, 1, 0);
-    BN_copy(c, a);
-    BN_copy(d, b);
+    if (!(TEST_true(BN_bntest_rand(a, 1024, 1, 0))
+            && TEST_true(BN_bntest_rand(b, 1024, 1, 0))
+            && TEST_ptr(BN_copy(c, a))
+            && TEST_ptr(BN_copy(d, b))))
+        goto err;
     top = BN_num_bits(a) / BN_BITS2;
 
     /* regular swap */
@@ -233,20 +234,21 @@ static int test_sub(void)
 
     for (i = 0; i < NUM0 + NUM1; i++) {
         if (i < NUM1) {
-            BN_bntest_rand(a, 512, 0, 0);
-            BN_copy(b, a);
-            if (!TEST_int_ne(BN_set_bit(a, i), 0))
+            if (!(TEST_true(BN_bntest_rand(a, 512, 0, 0)))
+                    && TEST_ptr(BN_copy(b, a))
+                    && TEST_int_ne(BN_set_bit(a, i), 0)
+                    && TEST_true(BN_add_word(b, i)))
                 goto err;
-            BN_add_word(b, i);
         } else {
-            BN_bntest_rand(b, 400 + i - NUM1, 0, 0);
+            if (!TEST_true(BN_bntest_rand(b, 400 + i - NUM1, 0, 0)))
+                goto err;
             BN_set_negative(a, rand_neg());
             BN_set_negative(b, rand_neg());
         }
-        BN_sub(c, a, b);
-        BN_add(c, c, b);
-        BN_sub(c, c, a);
-        if (!TEST_BN_eq_zero(c))
+        if (!(TEST_true(BN_sub(c, a, b))
+                && TEST_true(BN_add(c, c, b))
+                && TEST_true(BN_sub(c, c, a))
+                && TEST_BN_eq_zero(c)))
             goto err;
     }
     st = 1;
@@ -273,20 +275,23 @@ static int test_div_recip(void)
 
     for (i = 0; i < NUM0 + NUM1; i++) {
         if (i < NUM1) {
-            BN_bntest_rand(a, 400, 0, 0);
-            BN_copy(b, a);
-            BN_lshift(a, a, i);
-            BN_add_word(a, i);
-        } else
-            BN_bntest_rand(b, 50 + 3 * (i - NUM1), 0, 0);
+            if (!(TEST_true(BN_bntest_rand(a, 400, 0, 0))
+                    && TEST_ptr(BN_copy(b, a))
+                    && TEST_true(BN_lshift(a, a, i))
+                    && TEST_true(BN_add_word(a, i))))
+                goto err;
+        } else {
+            if (!(TEST_true(BN_bntest_rand(b, 50 + 3 * (i - NUM1), 0, 0))))
+                goto err;
+        }
         BN_set_negative(a, rand_neg());
         BN_set_negative(b, rand_neg());
-        BN_RECP_CTX_set(recp, b, ctx);
-        BN_div_recp(d, c, a, recp, ctx);
-        BN_mul(e, d, b, ctx);
-        BN_add(d, e, c);
-        BN_sub(d, d, a);
-        if (!TEST_BN_eq_zero(d))
+        if (!(TEST_true(BN_RECP_CTX_set(recp, b, ctx))
+                && TEST_true(BN_div_recp(d, c, a, recp, ctx))
+                && TEST_true(BN_mul(e, d, b, ctx))
+                && TEST_true(BN_add(d, e, c))
+                && TEST_true(BN_sub(d, d, a))
+                && TEST_BN_eq_zero(d)))
             goto err;
     }
     st = 1;
@@ -312,15 +317,17 @@ static int test_mod(void)
             || !TEST_ptr(e = BN_new()))
         goto err;
 
-    BN_bntest_rand(a, 1024, 0, 0);
+    if (!(TEST_true(BN_bntest_rand(a, 1024, 0, 0))))
+        goto err;
     for (i = 0; i < NUM0; i++) {
-        BN_bntest_rand(b, 450 + i * 10, 0, 0);
+        if (!(TEST_true(BN_bntest_rand(b, 450 + i * 10, 0, 0))))
+            goto err;
         BN_set_negative(a, rand_neg());
         BN_set_negative(b, rand_neg());
-        BN_mod(c, a, b, ctx);
-        BN_div(d, e, a, b, ctx);
-        BN_sub(e, e, c);
-        if (!TEST_BN_eq_zero(e))
+        if (!(TEST_true(BN_mod(c, a, b, ctx))
+                && TEST_true(BN_div(d, e, a, b, ctx))
+                && TEST_true(BN_sub(e, e, c))
+                && TEST_BN_eq_zero(e)))
             goto err;
     }
     st = 1;
@@ -395,46 +402,52 @@ static int test_modexp_mont5(void)
             || !TEST_ptr(mont = BN_MONT_CTX_new()))
         goto err;
 
-    BN_bntest_rand(m, 1024, 0, 1); /* must be odd for montgomery */
-    /* Zero exponent */
-    BN_bntest_rand(a, 1024, 0, 0);
+    /* must be odd for montgomery */
+    if (!(TEST_true(BN_bntest_rand(m, 1024, 0, 1))
+            /* Zero exponent */
+            && TEST_true(BN_bntest_rand(a, 1024, 0, 0))))
+        goto err;
     BN_zero(p);
+
     if (!TEST_true(BN_mod_exp_mont_consttime(d, a, p, m, ctx, NULL)))
         goto err;
     if (!TEST_BN_eq_one(d))
         goto err;
 
     /* Regression test for carry bug in mulx4x_mont */
-    BN_hex2bn(&a,
+    if (!(TEST_true(BN_hex2bn(&a,
         "7878787878787878787878787878787878787878787878787878787878787878"
         "7878787878787878787878787878787878787878787878787878787878787878"
         "7878787878787878787878787878787878787878787878787878787878787878"
-        "7878787878787878787878787878787878787878787878787878787878787878");
-    BN_hex2bn(&b,
+        "7878787878787878787878787878787878787878787878787878787878787878"))
+        && TEST_true(BN_hex2bn(&b,
         "095D72C08C097BA488C5E439C655A192EAFB6380073D8C2664668EDDB4060744"
         "E16E57FB4EDB9AE10A0CEFCDC28A894F689A128379DB279D48A2E20849D68593"
         "9B7803BCF46CEBF5C533FB0DD35B080593DE5472E3FE5DB951B8BFF9B4CB8F03"
-        "9CC638A5EE8CDD703719F8000E6A9F63BEED5F2FCD52FF293EA05A251BB4AB81");
-    BN_hex2bn(&n,
+        "9CC638A5EE8CDD703719F8000E6A9F63BEED5F2FCD52FF293EA05A251BB4AB81"))
+        && TEST_true(BN_hex2bn(&n,
         "D78AF684E71DB0C39CFF4E64FB9DB567132CB9C50CC98009FEB820B26F2DED9B"
         "91B9B5E2B83AE0AE4EB4E0523CA726BFBE969B89FD754F674CE99118C3F2D1C5"
         "D81FDC7C54E02B60262B241D53C040E99E45826ECA37A804668E690E1AFC1CA4"
-        "2C9A15D84D4954425F0B7642FC0BD9D7B24E2618D2DCC9B729D944BADACFDDAF");
-    BN_MONT_CTX_set(mont, n, ctx);
-    BN_mod_mul_montgomery(c, a, b, mont, ctx);
-    BN_mod_mul_montgomery(d, b, a, mont, ctx);
-    if (!TEST_BN_eq(c, d))
+        "2C9A15D84D4954425F0B7642FC0BD9D7B24E2618D2DCC9B729D944BADACFDDAF"))))
+        goto err;
+
+    if (!(TEST_true(BN_MONT_CTX_set(mont, n, ctx))
+            && TEST_true(BN_mod_mul_montgomery(c, a, b, mont, ctx))
+            && TEST_true(BN_mod_mul_montgomery(d, b, a, mont, ctx))
+            && TEST_BN_eq(c, d)))
         goto err;
 
     /* Regression test for carry bug in sqr[x]8x_mont */
-    parse_bigBN(&n, bn1strings);
-    parse_bigBN(&a, bn2strings);
+    if (!(TEST_true(parse_bigBN(&n, bn1strings))
+            && TEST_true(parse_bigBN(&a, bn2strings))))
+        goto err;
     BN_free(b);
-    b = BN_dup(a);
-    BN_MONT_CTX_set(mont, n, ctx);
-    BN_mod_mul_montgomery(c, a, a, mont, ctx);
-    BN_mod_mul_montgomery(d, a, b, mont, ctx);
-    if (!TEST_BN_eq(c, d))
+    if (!(TEST_ptr(b = BN_dup(a))
+            && TEST_true(BN_MONT_CTX_set(mont, n, ctx))
+            && TEST_true(BN_mod_mul_montgomery(c, a, a, mont, ctx))
+            && TEST_true(BN_mod_mul_montgomery(d, a, b, mont, ctx))
+            && TEST_BN_eq(c, d)))
         goto err;
 
     /* Regression test for carry bug in bn_sqrx8x_internal */
@@ -470,78 +483,83 @@ static int test_modexp_mont5(void)
             NULL
         };
 
-        parse_bigBN(&a, ahex);
-        parse_bigBN(&n, nhex);
+        if (!(TEST_true(parse_bigBN(&a, ahex))
+                && TEST_true(parse_bigBN(&n, nhex))))
+            goto err;
     }
     BN_free(b);
-    b = BN_dup(a);
-    BN_MONT_CTX_set(mont, n, ctx);
+    if (!(TEST_ptr(b = BN_dup(a))
+            && TEST_true(BN_MONT_CTX_set(mont, n, ctx))))
+        goto err;
+
     if (!TEST_true(BN_mod_mul_montgomery(c, a, a, mont, ctx))
             || !TEST_true(BN_mod_mul_montgomery(d, a, b, mont, ctx))
             || !TEST_BN_eq(c, d))
         goto err;
 
     /* Regression test for bug in BN_from_montgomery_word */
-    BN_hex2bn(&a,
+    if (!(TEST_true(BN_hex2bn(&a,
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
-    BN_hex2bn(&n,
+        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"))
+         && TEST_true(BN_hex2bn(&n,
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
-    BN_MONT_CTX_set(mont, n, ctx);
-    if (!TEST_false(BN_mod_mul_montgomery(d, a, a, mont, ctx)))
+        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"))
+        && TEST_true(BN_MONT_CTX_set(mont, n, ctx))
+        && TEST_false(BN_mod_mul_montgomery(d, a, a, mont, ctx))))
         goto err;
 
     /* Regression test for bug in rsaz_1024_mul_avx2 */
-    BN_hex2bn(&a,
+    if (!(TEST_true(BN_hex2bn(&a,
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020DF");
-    BN_hex2bn(&b,
+        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020DF"))
+        && TEST_true(BN_hex2bn(&b,
         "2020202020202020202020202020202020202020202020202020202020202020"
         "2020202020202020202020202020202020202020202020202020202020202020"
         "20202020202020FF202020202020202020202020202020202020202020202020"
-        "2020202020202020202020202020202020202020202020202020202020202020");
-    BN_hex2bn(&n,
+        "2020202020202020202020202020202020202020202020202020202020202020"))
+        && TEST_true(BN_hex2bn(&n,
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020FF");
-    BN_MONT_CTX_set(mont, n, ctx);
-    BN_mod_exp_mont_consttime(c, a, b, n, ctx, mont);
-    BN_mod_exp_mont(d, a, b, n, ctx, mont);
-    if (!TEST_BN_eq(c, d))
+        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020FF"))
+        && TEST_true(BN_MONT_CTX_set(mont, n, ctx))
+        && TEST_true(BN_mod_exp_mont_consttime(c, a, b, n, ctx, mont))
+        && TEST_true(BN_mod_exp_mont(d, a, b, n, ctx, mont))
+        && TEST_BN_eq(c, d)))
         goto err;
 
     /*
      * rsaz_1024_mul_avx2 expects fully-reduced inputs.
      * BN_mod_exp_mont_consttime should reduce the input first.
      */
-    BN_hex2bn(&a,
+    if (!(TEST_true(BN_hex2bn(&a,
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020DF");
-    BN_hex2bn(&b,
+        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020DF"))
+        && TEST_true(BN_hex2bn(&b,
         "1FA53F26F8811C58BE0357897AA5E165693230BC9DF5F01DFA6A2D59229EC69D"
         "9DE6A89C36E3B6957B22D6FAAD5A3C73AE587B710DBE92E83D3A9A3339A085CB"
         "B58F508CA4F837924BB52CC1698B7FDC2FD74362456A595A5B58E38E38E38E38"
-        "E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E");
-    BN_hex2bn(&n,
+        "E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E38E"))
+        && TEST_true(BN_hex2bn(&n,
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
         "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020DF");
-    BN_MONT_CTX_set(mont, n, ctx);
-    BN_mod_exp_mont_consttime(c, a, b, n, ctx, mont);
+        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF2020202020DF"))
+        && TEST_true(BN_MONT_CTX_set(mont, n, ctx))
+        && TEST_true(BN_mod_exp_mont_consttime(c, a, b, n, ctx, mont))))
+        goto err;
     BN_zero(d);
     if (!TEST_BN_eq(c, d))
         goto err;
 
     /* Zero input */
-    BN_bntest_rand(p, 1024, 0, 0);
+    if (!TEST_true(BN_bntest_rand(p, 1024, 0, 0)))
+        goto err;
     BN_zero(a);
     if (!TEST_true(BN_mod_exp_mont_consttime(d, a, p, m, ctx, NULL))
             || !TEST_BN_eq_zero(d))
@@ -552,8 +570,9 @@ static int test_modexp_mont5(void)
      * than the modulus m, in order to test the const time precomputation
      * scattering/gathering.
      */
-    BN_one(a);
-    BN_MONT_CTX_set(mont, m, ctx);
+    if (!(TEST_true(BN_one(a))
+            && TEST_true(BN_MONT_CTX_set(mont, m, ctx))))
+        goto err;
     if (!TEST_true(BN_from_montgomery(e, a, mont, ctx))
             || !TEST_true(BN_mod_exp_mont_consttime(d, e, p, m, ctx, NULL))
             || !TEST_true(BN_mod_exp_simple(a, e, p, m, ctx))
@@ -561,10 +580,10 @@ static int test_modexp_mont5(void)
         goto err;
 
     /* Finally, some regular test vectors. */
-    BN_bntest_rand(e, 1024, 0, 0);
-    if (!TEST_true(BN_mod_exp_mont_consttime(d, e, p, m, ctx, NULL))
-            || !TEST_true(BN_mod_exp_simple(a, e, p, m, ctx))
-            || !TEST_BN_eq(a, d))
+    if (!(TEST_true(BN_bntest_rand(e, 1024, 0, 0))
+            && TEST_true(BN_mod_exp_mont_consttime(d, e, p, m, ctx, NULL))
+            && TEST_true(BN_mod_exp_simple(a, e, p, m, ctx))
+            && TEST_BN_eq(a, d)))
         goto err;
 
     st = 1;
@@ -594,18 +613,19 @@ static int test_gf2m_add(void)
         goto err;
 
     for (i = 0; i < NUM0; i++) {
-        BN_rand(a, 512, 0, 0);
-        BN_copy(b, BN_value_one());
+        if (!(TEST_true(BN_rand(a, 512, 0, 0))
+                && TEST_ptr(BN_copy(b, BN_value_one()))))
+            goto err;
         BN_set_negative(a, rand_neg());
         BN_set_negative(b, rand_neg());
-        BN_GF2m_add(c, a, b);
-        /* Test that two added values have the correct parity. */
-        if (!TEST_false((BN_is_odd(a) && BN_is_odd(c))
-                        || (!BN_is_odd(a) && !BN_is_odd(c))))
+        if (!(TEST_true(BN_GF2m_add(c, a, b))
+                /* Test that two added values have the correct parity. */
+                && TEST_false((BN_is_odd(a) && BN_is_odd(c))
+                        || (!BN_is_odd(a) && !BN_is_odd(c)))))
             goto err;
-        BN_GF2m_add(c, c, c);
-        /* Test that c + c = 0. */
-        if (!TEST_BN_eq_zero(c))
+        if (!(TEST_true(BN_GF2m_add(c, c, c))
+                /* Test that c + c = 0. */
+                && TEST_BN_eq_zero(c)))
             goto err;
     }
     st = 1;
@@ -629,17 +649,19 @@ static int test_gf2m_mod(void)
             || !TEST_ptr(e = BN_new()))
         goto err;
 
-    BN_GF2m_arr2poly(p0, b[0]);
-    BN_GF2m_arr2poly(p1, b[1]);
+    if (!(TEST_true(BN_GF2m_arr2poly(p0, b[0]))
+            && TEST_true(BN_GF2m_arr2poly(p1, b[1]))))
+        goto err;
 
     for (i = 0; i < NUM0; i++) {
-        BN_bntest_rand(a, 1024, 0, 0);
+        if (!TEST_true(BN_bntest_rand(a, 1024, 0, 0)))
+            goto err;
         for (j = 0; j < 2; j++) {
-            BN_GF2m_mod(c, a, b[j]);
-            BN_GF2m_add(d, a, c);
-            BN_GF2m_mod(e, d, b[j]);
-            /* Test that a + (a mod p) mod p == 0. */
-            if (!TEST_BN_eq_zero(e))
+            if (!(TEST_true(BN_GF2m_mod(c, a, b[j]))
+                    && TEST_true(BN_GF2m_add(d, a, c))
+                    && TEST_true(BN_GF2m_mod(e, d, b[j]))
+                    /* Test that a + (a mod p) mod p == 0. */
+                    && TEST_BN_eq_zero(e)))
                 goto err;
         }
     }
@@ -671,22 +693,24 @@ static int test_gf2m_mul(void)
             || !TEST_ptr(h = BN_new()))
         goto err;
 
-    BN_GF2m_arr2poly(p0, b[0]);
-    BN_GF2m_arr2poly(p1, b[1]);
+    if (!(TEST_true(BN_GF2m_arr2poly(p0, b[0]))
+            && TEST_true(BN_GF2m_arr2poly(p1, b[1]))))
+        goto err;
 
     for (i = 0; i < NUM0; i++) {
-        BN_bntest_rand(a, 1024, 0, 0);
-        BN_bntest_rand(c, 1024, 0, 0);
-        BN_bntest_rand(d, 1024, 0, 0);
+        if (!(TEST_true(BN_bntest_rand(a, 1024, 0, 0))
+                && TEST_true(BN_bntest_rand(c, 1024, 0, 0))
+                && TEST_true(BN_bntest_rand(d, 1024, 0, 0))))
+            goto err;
         for (j = 0; j < 2; j++) {
-            BN_GF2m_mod_mul(e, a, c, b[j], ctx);
-            BN_GF2m_add(f, a, d);
-            BN_GF2m_mod_mul(g, f, c, b[j], ctx);
-            BN_GF2m_mod_mul(h, d, c, b[j], ctx);
-            BN_GF2m_add(f, e, g);
-            BN_GF2m_add(f, f, h);
-            /* Test that (a+d)*c = a*c + d*c. */
-            if (!TEST_BN_eq_zero(f))
+            if (!(TEST_true(BN_GF2m_mod_mul(e, a, c, b[j], ctx))
+                    && TEST_true(BN_GF2m_add(f, a, d))
+                    && TEST_true(BN_GF2m_mod_mul(g, f, c, b[j], ctx))
+                    && TEST_true(BN_GF2m_mod_mul(h, d, c, b[j], ctx))
+                    && TEST_true(BN_GF2m_add(f, e, g))
+                    && TEST_true(BN_GF2m_add(f, f, h))
+                    /* Test that (a+d)*c = a*c + d*c. */
+                    && TEST_BN_eq_zero(f)))
                 goto err;
         }
     }
@@ -717,18 +741,20 @@ static int test_gf2m_sqr(void)
             || !TEST_ptr(d = BN_new()))
         goto err;
 
-    BN_GF2m_arr2poly(p0, b[0]);
-    BN_GF2m_arr2poly(p1, b[1]);
+    if (!(TEST_true(BN_GF2m_arr2poly(p0, b[0]))
+            && TEST_true(BN_GF2m_arr2poly(p1, b[1]))))
+        goto err;
 
     for (i = 0; i < NUM0; i++) {
-        BN_bntest_rand(a, 1024, 0, 0);
+        if (!TEST_true(BN_bntest_rand(a, 1024, 0, 0)))
+                goto err;
         for (j = 0; j < 2; j++) {
-            BN_GF2m_mod_sqr(c, a, b[j], ctx);
-            BN_copy(d, a);
-            BN_GF2m_mod_mul(d, a, d, b[j], ctx);
-            BN_GF2m_add(d, c, d);
-            /* Test that a*a = a^2. */
-            if (!TEST_BN_eq_zero(d))
+            if (!(TEST_true(BN_GF2m_mod_sqr(c, a, b[j], ctx))
+                    && TEST_true(BN_copy(d, a))
+                    && TEST_true(BN_GF2m_mod_mul(d, a, d, b[j], ctx))
+                    && TEST_true(BN_GF2m_add(d, c, d))
+                    /* Test that a*a = a^2. */
+                    && TEST_BN_eq_zero(d)))
                 goto err;
         }
     }
@@ -754,16 +780,18 @@ static int test_gf2m_modinv(void)
             || !TEST_ptr(d = BN_new()))
         goto err;
 
-    BN_GF2m_arr2poly(p0, b[0]);
-    BN_GF2m_arr2poly(p1, b[1]);
+    if (!(TEST_true(BN_GF2m_arr2poly(p0, b[0]))
+            && TEST_true(BN_GF2m_arr2poly(p1, b[1]))))
+        goto err;
 
     for (i = 0; i < NUM0; i++) {
-        BN_bntest_rand(a, 512, 0, 0);
+        if (!TEST_true(BN_bntest_rand(a, 512, 0, 0)))
+            goto err;
         for (j = 0; j < 2; j++) {
-            BN_GF2m_mod_inv(c, a, b[j], ctx);
-            BN_GF2m_mod_mul(d, a, c, b[j], ctx);
-            /* Test that ((1/a)*a) = 1. */
-            if (!TEST_BN_eq_one(d))
+            if (!(TEST_true(BN_GF2m_mod_inv(c, a, b[j], ctx))
+                    && TEST_true(BN_GF2m_mod_mul(d, a, c, b[j], ctx))
+                    /* Test that ((1/a)*a) = 1. */
+                    && TEST_BN_eq_one(d)))
                 goto err;
         }
     }
@@ -792,18 +820,20 @@ static int test_gf2m_moddiv(void)
             || !TEST_ptr(f = BN_new()))
         goto err;
 
-    BN_GF2m_arr2poly(p0, b[0]);
-    BN_GF2m_arr2poly(p1, b[1]);
+    if (!(TEST_true(BN_GF2m_arr2poly(p0, b[0]))
+            && TEST_true(BN_GF2m_arr2poly(p1, b[1]))))
+        goto err;
 
     for (i = 0; i < NUM0; i++) {
-        BN_bntest_rand(a, 512, 0, 0);
-        BN_bntest_rand(c, 512, 0, 0);
+        if (!(TEST_true(BN_bntest_rand(a, 512, 0, 0))
+                && TEST_true(BN_bntest_rand(c, 512, 0, 0))))
+            goto err;
         for (j = 0; j < 2; j++) {
-            BN_GF2m_mod_div(d, a, c, b[j], ctx);
-            BN_GF2m_mod_mul(e, d, c, b[j], ctx);
-            BN_GF2m_mod_div(f, a, e, b[j], ctx);
-            /* Test that ((a/c)*c)/a = 1. */
-            if (!TEST_BN_eq_one(f))
+            if (!(TEST_true(BN_GF2m_mod_div(d, a, c, b[j], ctx))
+                    && TEST_true(BN_GF2m_mod_mul(e, d, c, b[j], ctx))
+                    && TEST_true(BN_GF2m_mod_div(f, a, e, b[j], ctx))
+                    /* Test that ((a/c)*c)/a = 1. */
+                    && TEST_BN_eq_one(f)))
                 goto err;
         }
     }
@@ -834,22 +864,24 @@ static int test_gf2m_modexp(void)
             || !TEST_ptr(f = BN_new()))
         goto err;
 
-    BN_GF2m_arr2poly(p0, b[0]);
-    BN_GF2m_arr2poly(p1, b[1]);
+    if (!(TEST_true(BN_GF2m_arr2poly(p0, b[0]))
+            && TEST_true(BN_GF2m_arr2poly(p1, b[1]))))
+        goto err;
 
     for (i = 0; i < NUM0; i++) {
-        BN_bntest_rand(a, 512, 0, 0);
-        BN_bntest_rand(c, 512, 0, 0);
-        BN_bntest_rand(d, 512, 0, 0);
+        if (!(TEST_true(BN_bntest_rand(a, 512, 0, 0))
+                && TEST_true(BN_bntest_rand(c, 512, 0, 0))
+                && TEST_true(BN_bntest_rand(d, 512, 0, 0))))
+            goto err;
         for (j = 0; j < 2; j++) {
-            BN_GF2m_mod_exp(e, a, c, b[j], ctx);
-            BN_GF2m_mod_exp(f, a, d, b[j], ctx);
-            BN_GF2m_mod_mul(e, e, f, b[j], ctx);
-            BN_add(f, c, d);
-            BN_GF2m_mod_exp(f, a, f, b[j], ctx);
-            BN_GF2m_add(f, e, f);
-            /* Test that a^(c+d)=a^c*a^d. */
-            if (!TEST_BN_eq_zero(f))
+            if (!(TEST_true(BN_GF2m_mod_exp(e, a, c, b[j], ctx))
+                    && TEST_true(BN_GF2m_mod_exp(f, a, d, b[j], ctx))
+                    && TEST_true(BN_GF2m_mod_mul(e, e, f, b[j], ctx))
+                    && TEST_true(BN_add(f, c, d))
+                    && TEST_true(BN_GF2m_mod_exp(f, a, f, b[j], ctx))
+                    && TEST_true(BN_GF2m_add(f, e, f))
+                    /* Test that a^(c+d)=a^c*a^d. */
+                    && TEST_BN_eq_zero(f)))
                 goto err;
         }
     }
@@ -880,18 +912,21 @@ static int test_gf2m_modsqrt(void)
             || !TEST_ptr(f = BN_new()))
         goto err;
 
-    BN_GF2m_arr2poly(p0, b[0]);
-    BN_GF2m_arr2poly(p1, b[1]);
+    if (!(TEST_true(BN_GF2m_arr2poly(p0, b[0]))
+            && TEST_true(BN_GF2m_arr2poly(p1, b[1]))))
+        goto err;
 
     for (i = 0; i < NUM0; i++) {
-        BN_bntest_rand(a, 512, 0, 0);
+        if (!TEST_true(BN_bntest_rand(a, 512, 0, 0)))
+            goto err;
+
         for (j = 0; j < 2; j++) {
-            BN_GF2m_mod(c, a, b[j]);
-            BN_GF2m_mod_sqrt(d, a, b[j], ctx);
-            BN_GF2m_mod_sqr(e, d, b[j], ctx);
-            BN_GF2m_add(f, c, e);
-            /* Test that d^2 = a, where d = sqrt(a). */
-            if (!TEST_BN_eq_zero(f))
+            if (!(TEST_true(BN_GF2m_mod(c, a, b[j]))
+                    && TEST_true(BN_GF2m_mod_sqrt(d, a, b[j], ctx))
+                    && TEST_true(BN_GF2m_mod_sqr(e, d, b[j], ctx))
+                    && TEST_true(BN_GF2m_add(f, c, e))
+                    /* Test that d^2 = a, where d = sqrt(a). */
+                    && TEST_BN_eq_zero(f)))
                 goto err;
         }
     }
@@ -921,23 +956,26 @@ static int test_gf2m_modsolvequad(void)
             || !TEST_ptr(e = BN_new()))
         goto err;
 
-    BN_GF2m_arr2poly(p0, b[0]);
-    BN_GF2m_arr2poly(p1, b[1]);
+    if (!(TEST_true(BN_GF2m_arr2poly(p0, b[0]))
+            && TEST_true(BN_GF2m_arr2poly(p1, b[1]))))
+        goto err;
 
     for (i = 0; i < NUM0; i++) {
-        BN_bntest_rand(a, 512, 0, 0);
+        if (!TEST_true(BN_bntest_rand(a, 512, 0, 0)))
+            goto err;
         for (j = 0; j < 2; j++) {
             t = BN_GF2m_mod_solve_quad(c, a, b[j], ctx);
             if (t) {
                 s++;
-                BN_GF2m_mod_sqr(d, c, b[j], ctx);
-                BN_GF2m_add(d, c, d);
-                BN_GF2m_mod(e, a, b[j]);
-                BN_GF2m_add(e, e, d);
-                /*
-                 * Test that solution of quadratic c satisfies c^2 + c = a.
-                 */
-                if (!TEST_BN_eq_zero(e))
+                if (!(TEST_true(BN_GF2m_mod_sqr(d, c, b[j], ctx))
+                        && TEST_true(BN_GF2m_add(d, c, d))
+                        && TEST_true(BN_GF2m_mod(e, a, b[j]))
+                        && TEST_true(BN_GF2m_add(e, e, d))
+                        /*
+                         * Test that solution of quadratic c
+                         * satisfies c^2 + c = a.
+                         */
+                        && TEST_BN_eq_zero(e)))
                     goto err;
             }
         }


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