+static int rfc7919_test(void)
+{
+ DH *a = NULL, *b = NULL;
+ const BIGNUM *apub_key = NULL, *bpub_key = NULL;
+ unsigned char *abuf = NULL;
+ unsigned char *bbuf = NULL;
+ int i, alen, blen, aout, bout;
+ int ret = 0;
+
+ if (!TEST_ptr(a = DH_new_by_nid(NID_ffdhe2048)))
+ goto err;
+
+ if (!DH_check(a, &i))
+ goto err;
+ if (!TEST_false(i & DH_CHECK_P_NOT_PRIME)
+ || !TEST_false(i & DH_CHECK_P_NOT_SAFE_PRIME)
+ || !TEST_false(i & DH_UNABLE_TO_CHECK_GENERATOR)
+ || !TEST_false(i & DH_NOT_SUITABLE_GENERATOR)
+ || !TEST_false(i))
+ goto err;
+
+ if (!DH_generate_key(a))
+ goto err;
+ DH_get0_key(a, &apub_key, NULL);
+
+ /* now create another copy of the DH group for the peer */
+ if (!TEST_ptr(b = DH_new_by_nid(NID_ffdhe2048)))
+ goto err;
+
+ if (!DH_generate_key(b))
+ goto err;
+ DH_get0_key(b, &bpub_key, NULL);
+
+ alen = DH_size(a);
+ if (!TEST_int_gt(alen, 0) || !TEST_ptr(abuf = OPENSSL_malloc(alen))
+ || !TEST_true((aout = DH_compute_key(abuf, bpub_key, a)) != -1))
+ goto err;
+
+ blen = DH_size(b);
+ if (!TEST_int_gt(blen, 0) || !TEST_ptr(bbuf = OPENSSL_malloc(blen))
+ || !TEST_true((bout = DH_compute_key(bbuf, apub_key, b)) != -1))
+ goto err;
+
+ if (!TEST_true(aout >= 20)
+ || !TEST_mem_eq(abuf, aout, bbuf, bout))
+ goto err;
+
+ ret = 1;
+
+ err:
+ OPENSSL_free(abuf);
+ OPENSSL_free(bbuf);
+ DH_free(a);
+ DH_free(b);
+ return ret;
+}
+
+static int prime_groups[] = {
+ NID_ffdhe2048,
+ NID_ffdhe3072,
+ NID_ffdhe4096,
+ NID_ffdhe6144,
+ NID_ffdhe8192,
+ NID_modp_2048,
+ NID_modp_3072,
+ NID_modp_4096,
+ NID_modp_6144,
+};
+
+static int dh_test_prime_groups(int index)
+{
+ int ok = 0;
+ DH *dh = NULL;
+ const BIGNUM *p, *q, *g;
+
+ if (!TEST_ptr(dh = DH_new_by_nid(prime_groups[index])))
+ goto err;
+ DH_get0_pqg(dh, &p, &q, &g);
+ if (!TEST_ptr(p) || !TEST_ptr(q) || !TEST_ptr(g))
+ goto err;
+
+ if (!TEST_int_eq(DH_get_nid(dh), prime_groups[index]))
+ goto err;
+
+ /* Since q is set there is no need for the private length to be set */
+ if (!TEST_int_eq((int)DH_get_length(dh), 0))
+ goto err;
+
+ ok = 1;
+err:
+ DH_free(dh);
+ return ok;
+}
+
+static int dh_get_nid(void)
+{
+ int ok = 0;
+ const BIGNUM *p, *q, *g;
+ BIGNUM *pcpy = NULL, *gcpy = NULL, *qcpy = NULL;
+ DH *dh1 = DH_new_by_nid(NID_ffdhe2048);
+ DH *dh2 = DH_new();
+
+ if (!TEST_ptr(dh1)
+ || !TEST_ptr(dh2))
+ goto err;
+
+ /* Set new DH parameters manually using a existing named group's p & g */
+ DH_get0_pqg(dh1, &p, &q, &g);
+ if (!TEST_ptr(p)
+ || !TEST_ptr(q)
+ || !TEST_ptr(g)
+ || !TEST_ptr(pcpy = BN_dup(p))
+ || !TEST_ptr(gcpy = BN_dup(g)))
+ goto err;
+
+ if (!TEST_true(DH_set0_pqg(dh2, pcpy, NULL, gcpy)))
+ goto err;
+ pcpy = gcpy = NULL;
+ /* Test q is set if p and g are provided */
+ if (!TEST_ptr(DH_get0_q(dh2)))
+ goto err;
+
+ /* Test that setting p & g manually returns that it is a named group */
+ if (!TEST_int_eq(DH_get_nid(dh2), NID_ffdhe2048))
+ goto err;
+
+ /* Test that after changing g it is no longer a named group */
+ if (!TEST_ptr(gcpy = BN_dup(BN_value_one())))
+ goto err;
+ if (!TEST_true(DH_set0_pqg(dh2, NULL, NULL, gcpy)))
+ goto err;
+ gcpy = NULL;
+ if (!TEST_int_eq(DH_get_nid(dh2), NID_undef))
+ goto err;
+
+ /* Test that setting an incorrect q results in this not being a named group */
+ if (!TEST_ptr(pcpy = BN_dup(p))
+ || !TEST_ptr(qcpy = BN_dup(q))
+ || !TEST_ptr(gcpy = BN_dup(g))
+ || !TEST_int_eq(BN_add_word(qcpy, 2), 1)
+ || !TEST_true(DH_set0_pqg(dh2, pcpy, qcpy, gcpy)))
+ goto err;
+ pcpy = qcpy = gcpy = NULL;
+ if (!TEST_int_eq(DH_get_nid(dh2), NID_undef))
+ goto err;
+
+ ok = 1;
+err:
+ BN_free(pcpy);
+ BN_free(qcpy);
+ BN_free(gcpy);
+ DH_free(dh2);
+ DH_free(dh1);
+ return ok;
+}
+
+static const unsigned char dh_pub_der[] = {
+ 0x30, 0x82, 0x02, 0x28, 0x30, 0x82, 0x01, 0x1b, 0x06, 0x09, 0x2a, 0x86,
+ 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x03, 0x01, 0x30, 0x82, 0x01, 0x0c, 0x02,
+ 0x82, 0x01, 0x01, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xc9, 0x0f, 0xda, 0xa2, 0x21, 0x68, 0xc2, 0x34, 0xc4, 0xc6, 0x62, 0x8b,
+ 0x80, 0xdc, 0x1c, 0xd1, 0x29, 0x02, 0x4e, 0x08, 0x8a, 0x67, 0xcc, 0x74,
+ 0x02, 0x0b, 0xbe, 0xa6, 0x3b, 0x13, 0x9b, 0x22, 0x51, 0x4a, 0x08, 0x79,
+ 0x8e, 0x34, 0x04, 0xdd, 0xef, 0x95, 0x19, 0xb3, 0xcd, 0x3a, 0x43, 0x1b,
+ 0x30, 0x2b, 0x0a, 0x6d, 0xf2, 0x5f, 0x14, 0x37, 0x4f, 0xe1, 0x35, 0x6d,
+ 0x6d, 0x51, 0xc2, 0x45, 0xe4, 0x85, 0xb5, 0x76, 0x62, 0x5e, 0x7e, 0xc6,
+ 0xf4, 0x4c, 0x42, 0xe9, 0xa6, 0x37, 0xed, 0x6b, 0x0b, 0xff, 0x5c, 0xb6,
+ 0xf4, 0x06, 0xb7, 0xed, 0xee, 0x38, 0x6b, 0xfb, 0x5a, 0x89, 0x9f, 0xa5,
+ 0xae, 0x9f, 0x24, 0x11, 0x7c, 0x4b, 0x1f, 0xe6, 0x49, 0x28, 0x66, 0x51,
+ 0xec, 0xe4, 0x5b, 0x3d, 0xc2, 0x00, 0x7c, 0xb8, 0xa1, 0x63, 0xbf, 0x05,
+ 0x98, 0xda, 0x48, 0x36, 0x1c, 0x55, 0xd3, 0x9a, 0x69, 0x16, 0x3f, 0xa8,
+ 0xfd, 0x24, 0xcf, 0x5f, 0x83, 0x65, 0x5d, 0x23, 0xdc, 0xa3, 0xad, 0x96,
+ 0x1c, 0x62, 0xf3, 0x56, 0x20, 0x85, 0x52, 0xbb, 0x9e, 0xd5, 0x29, 0x07,
+ 0x70, 0x96, 0x96, 0x6d, 0x67, 0x0c, 0x35, 0x4e, 0x4a, 0xbc, 0x98, 0x04,
+ 0xf1, 0x74, 0x6c, 0x08, 0xca, 0x18, 0x21, 0x7c, 0x32, 0x90, 0x5e, 0x46,
+ 0x2e, 0x36, 0xce, 0x3b, 0xe3, 0x9e, 0x77, 0x2c, 0x18, 0x0e, 0x86, 0x03,
+ 0x9b, 0x27, 0x83, 0xa2, 0xec, 0x07, 0xa2, 0x8f, 0xb5, 0xc5, 0x5d, 0xf0,
+ 0x6f, 0x4c, 0x52, 0xc9, 0xde, 0x2b, 0xcb, 0xf6, 0x95, 0x58, 0x17, 0x18,
+ 0x39, 0x95, 0x49, 0x7c, 0xea, 0x95, 0x6a, 0xe5, 0x15, 0xd2, 0x26, 0x18,
+ 0x98, 0xfa, 0x05, 0x10, 0x15, 0x72, 0x8e, 0x5a, 0x8a, 0xac, 0xaa, 0x68,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x02, 0x01, 0x02, 0x02,
+ 0x02, 0x04, 0x00, 0x03, 0x82, 0x01, 0x05, 0x00, 0x02, 0x82, 0x01, 0x00,
+ 0x08, 0x87, 0x8a, 0x5f, 0x4f, 0x3b, 0xef, 0xe1, 0x77, 0x13, 0x3b, 0xd7,
+ 0x58, 0x76, 0xc9, 0xeb, 0x7e, 0x2d, 0xcc, 0x7e, 0xed, 0xc5, 0xee, 0xf9,
+ 0x2d, 0x55, 0xb0, 0xe2, 0x37, 0x8c, 0x51, 0x87, 0x6a, 0x8e, 0x0d, 0xb2,
+ 0x08, 0xed, 0x4f, 0x88, 0x9b, 0x63, 0x19, 0x7a, 0x67, 0xa1, 0x61, 0xd8,
+ 0x17, 0xa0, 0x2c, 0xdb, 0xc2, 0xfa, 0xb3, 0x4f, 0xe7, 0xcb, 0x16, 0xf2,
+ 0xe7, 0xd0, 0x2c, 0xf8, 0xcc, 0x97, 0xd3, 0xe7, 0xae, 0xc2, 0x71, 0xd8,
+ 0x2b, 0x12, 0x83, 0xe9, 0x5a, 0x45, 0xfe, 0x66, 0x5c, 0xa2, 0xb6, 0xce,
+ 0x2f, 0x04, 0x05, 0xe7, 0xa7, 0xbc, 0xe5, 0x63, 0x1a, 0x93, 0x3d, 0x4d,
+ 0xf4, 0x77, 0xdd, 0x2a, 0xc9, 0x51, 0x7b, 0xf5, 0x54, 0xa2, 0xab, 0x26,
+ 0xee, 0x16, 0xd3, 0x83, 0x92, 0x85, 0x40, 0x67, 0xa3, 0xa9, 0x31, 0x16,
+ 0x64, 0x45, 0x5a, 0x2a, 0x9d, 0xa8, 0x1a, 0x84, 0x2f, 0x59, 0x57, 0x6b,
+ 0xbb, 0x51, 0x28, 0xbd, 0x91, 0x60, 0xd9, 0x8f, 0x54, 0x6a, 0xa0, 0x6b,
+ 0xb2, 0xf6, 0x78, 0x79, 0xd2, 0x3a, 0x8f, 0xa6, 0x24, 0x7e, 0xe9, 0x6e,
+ 0x66, 0x30, 0xed, 0xbf, 0x55, 0x71, 0x9c, 0x89, 0x81, 0xf0, 0xa7, 0xe7,
+ 0x05, 0x87, 0x51, 0xc1, 0xff, 0xe5, 0xcf, 0x1f, 0x19, 0xe4, 0xeb, 0x7c,
+ 0x1c, 0x1a, 0x58, 0xd5, 0x22, 0x3d, 0x31, 0x22, 0xc7, 0x8b, 0x60, 0xf5,
+ 0xe8, 0x95, 0x73, 0xe0, 0x20, 0xe2, 0x4f, 0x03, 0x9e, 0x89, 0x34, 0x91,
+ 0x5e, 0xda, 0x4f, 0x60, 0xff, 0xc9, 0x4f, 0x5a, 0x37, 0x1e, 0xb0, 0xed,
+ 0x26, 0x4c, 0xa4, 0xc6, 0x26, 0xc9, 0xcc, 0xab, 0xd2, 0x1a, 0x3a, 0x82,
+ 0x68, 0x03, 0x49, 0x8f, 0xb0, 0xb9, 0xc8, 0x48, 0x9d, 0xc7, 0xdf, 0x8b,
+ 0x1c, 0xbf, 0xda, 0x89, 0x78, 0x6f, 0xd3, 0x62, 0xad, 0x35, 0xb9, 0xd3,
+ 0x9b, 0xd0, 0x25, 0x65
+};
+
+/*
+ * Load PKCS3 DH Parameters that contain an optional private value length.
+ * Loading a named group should not overwrite the private value length field.
+ */
+static int dh_load_pkcs3_namedgroup_privlen_test(void)
+{
+ int ret, privlen = 0;
+ EVP_PKEY *pkey = NULL;
+ const unsigned char *p = dh_pub_der;
+
+ ret = TEST_ptr(pkey = d2i_PUBKEY_ex(NULL, &p, sizeof(dh_pub_der),
+ NULL, NULL))
+ && TEST_true(EVP_PKEY_get_int_param(pkey, OSSL_PKEY_PARAM_DH_PRIV_LEN,
+ &privlen))
+ && TEST_int_eq(privlen, 1024);
+
+ EVP_PKEY_free(pkey);
+ return ret;
+}
+
+#endif
+
+int setup_tests(void)
+{
+#ifdef OPENSSL_NO_DH
+ TEST_note("No DH support");
+#else
+ ADD_TEST(dh_test);
+ ADD_TEST(dh_computekey_range_test);
+ ADD_TEST(rfc5114_test);
+ ADD_TEST(rfc7919_test);
+ ADD_ALL_TESTS(dh_test_prime_groups, OSSL_NELEM(prime_groups));
+ ADD_TEST(dh_get_nid);
+ ADD_TEST(dh_load_pkcs3_namedgroup_privlen_test);