ref: bfe9da47cfa2f51ebef78c59332b5ba2deba306d
dir: /third_party/boringssl/src/crypto/evp/scrypt_test.cc/
/* 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)));
}