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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
#include <memory>
#include "nss.h"
#include "pk11pub.h"
#include "nss_scoped_ptrs.h"
#include "gtest/gtest.h"
namespace nss_test {
class Pkcs11DesTest : public ::testing::Test {
protected:
SECStatus EncryptWithIV(std::vector<uint8_t>& iv,
const CK_MECHANISM_TYPE mech) {
// Generate a random key.
ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
ScopedPK11SymKey sym_key(
PK11_KeyGen(slot.get(), mech, nullptr, 8, nullptr));
EXPECT_TRUE(!!sym_key);
std::vector<uint8_t> data(16);
std::vector<uint8_t> output(16);
SECItem params = {siBuffer, iv.data(),
static_cast<unsigned int>(iv.size())};
// Try to encrypt.
unsigned int output_len = 0;
return PK11_Encrypt(sym_key.get(), mech, ¶ms, output.data(),
&output_len, output.size(), data.data(), data.size());
}
};
TEST_F(Pkcs11DesTest, ZeroLengthIV) {
std::vector<uint8_t> iv(0);
EXPECT_EQ(SECFailure, EncryptWithIV(iv, CKM_DES_CBC));
EXPECT_EQ(SECFailure, EncryptWithIV(iv, CKM_DES3_CBC));
}
TEST_F(Pkcs11DesTest, IVTooShort) {
std::vector<uint8_t> iv(7);
EXPECT_EQ(SECFailure, EncryptWithIV(iv, CKM_DES_CBC));
EXPECT_EQ(SECFailure, EncryptWithIV(iv, CKM_DES3_CBC));
}
TEST_F(Pkcs11DesTest, WrongLengthIV) {
// We tolerate IVs > 8
std::vector<uint8_t> iv(15, 0);
EXPECT_EQ(SECSuccess, EncryptWithIV(iv, CKM_DES_CBC));
EXPECT_EQ(SECSuccess, EncryptWithIV(iv, CKM_DES3_CBC));
}
TEST_F(Pkcs11DesTest, AllGood) {
std::vector<uint8_t> iv(8, 0);
EXPECT_EQ(SECSuccess, EncryptWithIV(iv, CKM_DES_CBC));
EXPECT_EQ(SECSuccess, EncryptWithIV(iv, CKM_DES3_CBC));
}
} // namespace nss_test