Add PKEY_METHOD macro tests

Added the pkey_meth_kdf_test tests which test the PKEY_METHOD macros (at
the moment, of HKDF and scrypt).
Reviewed-by: NPaul Dale <paul.dale@oracle.com>
Reviewed-by: NStephen Henson <steve@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4026)

test/build.info

@@ -41,7 +41,8 @@ INCLUDE_MAIN___test_libtestutil_OLB = /INCLUDE=MAIN
           dtlsv1listentest ct_test threadstest afalgtest d2i_test \
           ssl_test_ctx_test ssl_test x509aux cipherlist_test asynciotest \
           bioprinttest sslapitest dtlstest sslcorrupttest bio_enc_test \
-          pkey_meth_test uitest cipherbytes_test asn1_encode_test asn1_string_table_test \
+          pkey_meth_test pkey_meth_kdf_test uitest cipherbytes_test \
+          asn1_encode_test asn1_string_table_test \
           x509_time_test x509_dup_cert_test x509_check_cert_pkey_test \
           recordlentest drbgtest sslbuffertest \
           time_offset_test pemtest ssl_cert_table_internal_test ciphername_test \
@@ -292,6 +293,10 @@ INCLUDE_MAIN___test_libtestutil_OLB = /INCLUDE=MAIN
   INCLUDE[pkey_meth_test]=../include
   DEPEND[pkey_meth_test]=../libcrypto libtestutil.a
 
+  SOURCE[pkey_meth_kdf_test]=pkey_meth_kdf_test.c
+  INCLUDE[pkey_meth_kdf_test]=../include
+  DEPEND[pkey_meth_kdf_test]=../libcrypto libtestutil.a
+
   SOURCE[x509_time_test]=x509_time_test.c
   INCLUDE[x509_time_test]=.. ../include
   DEPEND[x509_time_test]=../libcrypto libtestutil.a

test/pkey_meth_kdf_test.c

+/*
+ * Copyright 2017 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
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/* Tests of the EVP_PKEY_CTX_set_* macro family */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <openssl/evp.h>
+#include <openssl/kdf.h>
+#include "testutil.h"
+
+static int test_kdf_hkdf(void)
+{
+    EVP_PKEY_CTX *pctx;
+    unsigned char out[10];
+    size_t outlen = sizeof(out);
+    pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
+
+    if (EVP_PKEY_derive_init(pctx) <= 0) {
+        TEST_error("EVP_PKEY_derive_init");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set_hkdf_md(pctx, EVP_sha256()) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set_hkdf_md");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set1_hkdf_salt(pctx, "salt", 4) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set1_hkdf_salt");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set1_hkdf_key(pctx, "secret", 6) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set1_hkdf_key");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_add1_hkdf_info(pctx, "label", 5) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set1_hkdf_info");
+        return 0;
+    }
+    if (EVP_PKEY_derive(pctx, out, &outlen) <= 0) {
+        TEST_error("EVP_PKEY_derive");
+        return 0;
+    }
+
+    {
+        const unsigned char expected[sizeof(out)] = {
+            0x2a, 0xc4, 0x36, 0x9f, 0x52, 0x59, 0x96, 0xf8, 0xde, 0x13
+        };
+        if (!TEST_mem_eq(out, sizeof(out), expected, sizeof(expected))) {
+            return 0;
+        }
+    }
+    EVP_PKEY_CTX_free(pctx);
+    return 1;
+}
+
+static int test_kdf_scrypt(void)
+{
+    EVP_PKEY_CTX *pctx;
+    unsigned char out[64];
+    size_t outlen = sizeof(out);
+    pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_SCRYPT, NULL);
+
+    if (EVP_PKEY_derive_init(pctx) <= 0) {
+        TEST_error("EVP_PKEY_derive_init");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set1_pbe_pass(pctx, "password", 8) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set1_pbe_pass");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set1_scrypt_salt(pctx, "NaCl", 4) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set1_scrypt_salt");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set_scrypt_N(pctx, 1024) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set_scrypt_N");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set_scrypt_r(pctx, 8) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set_scrypt_r");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set_scrypt_p(pctx, 16) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set_scrypt_p");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set_scrypt_maxmem_bytes(pctx, 16) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set_maxmem_bytes");
+        return 0;
+    }
+    if (EVP_PKEY_derive(pctx, out, &outlen) > 0) {
+        TEST_error("EVP_PKEY_derive should have failed");
+        return 0;
+    }
+    if (EVP_PKEY_CTX_set_scrypt_maxmem_bytes(pctx, 10 * 1024 * 1024) <= 0) {
+        TEST_error("EVP_PKEY_CTX_set_maxmem_bytes");
+        return 0;
+    }
+    if (EVP_PKEY_derive(pctx, out, &outlen) <= 0) {
+        TEST_error("EVP_PKEY_derive");
+        return 0;
+    }
+
+    {
+        const unsigned char expected[sizeof(out)] = {
+            0xfd, 0xba, 0xbe, 0x1c, 0x9d, 0x34, 0x72, 0x00,
+            0x78, 0x56, 0xe7, 0x19, 0x0d, 0x01, 0xe9, 0xfe,
+            0x7c, 0x6a, 0xd7, 0xcb, 0xc8, 0x23, 0x78, 0x30,
+            0xe7, 0x73, 0x76, 0x63, 0x4b, 0x37, 0x31, 0x62,
+            0x2e, 0xaf, 0x30, 0xd9, 0x2e, 0x22, 0xa3, 0x88,
+            0x6f, 0xf1, 0x09, 0x27, 0x9d, 0x98, 0x30, 0xda,
+            0xc7, 0x27, 0xaf, 0xb9, 0x4a, 0x83, 0xee, 0x6d,
+            0x83, 0x60, 0xcb, 0xdf, 0xa2, 0xcc, 0x06, 0x40
+        };
+        if (!TEST_mem_eq(out, sizeof(out), expected, sizeof(expected))) {
+            return 0;
+        }
+    }
+    EVP_PKEY_CTX_free(pctx);
+    return 1;
+}
+
+int setup_tests()
+{
+    ADD_TEST(test_kdf_hkdf);
+    ADD_TEST(test_kdf_scrypt);
+    return 1;
+}

test/recipes/30-test_pkey_meth_kdf.t

+#! /usr/bin/env perl
+# Copyright 2017 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
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+
+use OpenSSL::Test::Simple;
+
+simple_test("test_pkey_meth_kdf", "pkey_meth_kdf_test");