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- /* Copyright (c) 2017, Google Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
- * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
- * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
-
- #include <stdlib.h>
- #include <string.h>
-
- #include <vector>
-
- #include <gtest/gtest.h>
-
- #include <openssl/err.h>
- #include <openssl/evp.h>
-
- #include "../test/file_test.h"
- #include "../test/test_util.h"
-
-
- static bool GetUint64(FileTest *t, uint64_t *out, const char *name) {
- std::string str;
- if (!t->GetAttribute(&str, name)) {
- return false;
- }
-
- char *endptr;
- *out = strtoull(str.data(), &endptr, 10);
- return !str.empty() && *endptr == '\0';
- }
-
- TEST(ScryptTest, TestVectors) {
- FileTestGTest("crypto/evp/scrypt_tests.txt", [](FileTest *t) {
- std::vector<uint8_t> password, salt, key;
- uint64_t N, r, p, max_mem = 0;
- ASSERT_TRUE(t->GetBytes(&password, "Password"));
- ASSERT_TRUE(t->GetBytes(&salt, "Salt"));
- ASSERT_TRUE(t->GetBytes(&key, "Key"));
- ASSERT_TRUE(GetUint64(t, &N, "N"));
- ASSERT_TRUE(GetUint64(t, &r, "r"));
- ASSERT_TRUE(GetUint64(t, &p, "p"));
- if (t->HasAttribute("MaxMemory")) {
- ASSERT_TRUE(GetUint64(t, &max_mem, "MaxMemory"));
- }
-
- std::vector<uint8_t> result(key.size());
- ASSERT_TRUE(EVP_PBE_scrypt(reinterpret_cast<const char *>(password.data()),
- password.size(), salt.data(), salt.size(), N, r,
- p, max_mem, result.data(), result.size()));
- EXPECT_EQ(Bytes(key), Bytes(result));
- });
- }
-
- TEST(ScryptTest, MemoryLimit) {
- static const char kPassword[] = "pleaseletmein";
- static const char kSalt[] = "SodiumChloride";
-
- // This test requires more than 1GB to run.
- uint8_t key[64];
- EXPECT_FALSE(EVP_PBE_scrypt(kPassword, strlen(kPassword),
- reinterpret_cast<const uint8_t *>(kSalt),
- strlen(kSalt), 1048576 /* N */, 8 /* r */,
- 1 /* p */, 0 /* max_mem */, key, sizeof(key)));
- uint32_t err = ERR_get_error();
- EXPECT_EQ(ERR_LIB_EVP, ERR_GET_LIB(err));
- EXPECT_EQ(EVP_R_MEMORY_LIMIT_EXCEEDED, ERR_GET_REASON(err));
- }
-
- TEST(ScryptTest, InvalidParameters) {
- uint8_t key[64];
-
- // p and r are non-zero.
- EXPECT_FALSE(EVP_PBE_scrypt(nullptr, 0, nullptr, 0, 1024 /* N */, 0 /* r */,
- 1 /* p */, 0 /* max_mem */, key, sizeof(key)));
- EXPECT_FALSE(EVP_PBE_scrypt(nullptr, 0, nullptr, 0, 1024 /* N */, 8 /* r */,
- 0 /* p */, 0 /* max_mem */, key, sizeof(key)));
-
- // N must be a power of 2 > 1.
- EXPECT_FALSE(EVP_PBE_scrypt(nullptr, 0, nullptr, 0, 0 /* N */, 8 /* r */,
- 1 /* p */, 0 /* max_mem */, key, sizeof(key)));
- EXPECT_FALSE(EVP_PBE_scrypt(nullptr, 0, nullptr, 0, 1 /* N */, 8 /* r */,
- 1 /* p */, 0 /* max_mem */, key, sizeof(key)));
- EXPECT_FALSE(EVP_PBE_scrypt(nullptr, 0, nullptr, 0, 1023 /* N */, 8 /* r */,
- 1 /* p */, 0 /* max_mem */, key, sizeof(key)));
- EXPECT_TRUE(EVP_PBE_scrypt(nullptr, 0, nullptr, 0, 1024 /* N */, 8 /* r */,
- 1 /* p */, 0 /* max_mem */, key, sizeof(key)));
- EXPECT_FALSE(EVP_PBE_scrypt(nullptr, 0, nullptr, 0, 1025 /* N */, 8 /* r */,
- 1 /* p */, 0 /* max_mem */, key, sizeof(key)));
-
- // N must be below 2^(128 * r / 8).
- EXPECT_FALSE(EVP_PBE_scrypt(nullptr, 0, nullptr, 0, 65536 /* N */, 1 /* r */,
- 1 /* p */, 0 /* max_mem */, key, sizeof(key)));
- EXPECT_TRUE(EVP_PBE_scrypt(nullptr, 0, nullptr, 0, 32768 /* N */, 1 /* r */,
- 1 /* p */, 0 /* max_mem */, key, sizeof(key)));
- }
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