gecko-dev/security/pkix/test/lib/pkixtestnss.cpp

310 строки
8.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This code is made available to you under your choice of the following sets
* of licensing terms:
*/
/* 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, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/* Copyright 2013 Mozilla Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "pkixtestutil.h"
#include <limits>
#include "cryptohi.h"
#include "keyhi.h"
#include "nss.h"
#include "pk11pqg.h"
#include "pk11pub.h"
#include "pkix/pkixnss.h"
#include "pkixder.h"
#include "pkixutil.h"
#include "prinit.h"
#include "secerr.h"
#include "secitem.h"
namespace mozilla { namespace pkix { namespace test {
namespace {
typedef ScopedPtr<SECKEYPublicKey, SECKEY_DestroyPublicKey>
ScopedSECKEYPublicKey;
typedef ScopedPtr<SECKEYPrivateKey, SECKEY_DestroyPrivateKey>
ScopedSECKEYPrivateKey;
inline void
SECITEM_FreeItem_true(SECItem* item)
{
SECITEM_FreeItem(item, true);
}
typedef mozilla::pkix::ScopedPtr<SECItem, SECITEM_FreeItem_true> ScopedSECItem;
TestKeyPair* GenerateKeyPairInner();
void
InitNSSIfNeeded()
{
if (NSS_NoDB_Init(nullptr) != SECSuccess) {
abort();
}
}
static ScopedTestKeyPair reusedKeyPair;
PRStatus
InitReusedKeyPair()
{
InitNSSIfNeeded();
reusedKeyPair.reset(GenerateKeyPairInner());
return reusedKeyPair ? PR_SUCCESS : PR_FAILURE;
}
class NSSTestKeyPair final : public TestKeyPair
{
public:
// NSSTestKeyPair takes ownership of privateKey.
NSSTestKeyPair(const TestPublicKeyAlgorithm& publicKeyAlg,
const ByteString& spk,
SECKEYPrivateKey* privateKey)
: TestKeyPair(publicKeyAlg, spk)
, privateKey(privateKey)
{
}
Result SignData(const ByteString& tbs,
const TestSignatureAlgorithm& signatureAlgorithm,
/*out*/ ByteString& signature) const override
{
SECOidTag oidTag;
if (signatureAlgorithm.publicKeyAlg == RSA_PKCS1()) {
switch (signatureAlgorithm.digestAlg) {
case TestDigestAlgorithmID::MD2:
oidTag = SEC_OID_PKCS1_MD2_WITH_RSA_ENCRYPTION;
break;
case TestDigestAlgorithmID::MD5:
oidTag = SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION;
break;
case TestDigestAlgorithmID::SHA1:
oidTag = SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION;
break;
case TestDigestAlgorithmID::SHA224:
oidTag = SEC_OID_PKCS1_SHA224_WITH_RSA_ENCRYPTION;
break;
case TestDigestAlgorithmID::SHA256:
oidTag = SEC_OID_PKCS1_SHA256_WITH_RSA_ENCRYPTION;
break;
case TestDigestAlgorithmID::SHA384:
oidTag = SEC_OID_PKCS1_SHA384_WITH_RSA_ENCRYPTION;
break;
case TestDigestAlgorithmID::SHA512:
oidTag = SEC_OID_PKCS1_SHA512_WITH_RSA_ENCRYPTION;
break;
MOZILLA_PKIX_UNREACHABLE_DEFAULT_ENUM
}
} else {
abort();
}
SECItem signatureItem;
if (SEC_SignData(&signatureItem, tbs.data(),
static_cast<int>(tbs.length()),
privateKey.get(), oidTag) != SECSuccess) {
return MapPRErrorCodeToResult(PR_GetError());
}
signature.assign(signatureItem.data, signatureItem.len);
SECITEM_FreeItem(&signatureItem, false);
return Success;
}
TestKeyPair* Clone() const override
{
ScopedSECKEYPrivateKey
privateKeyCopy(SECKEY_CopyPrivateKey(privateKey.get()));
if (!privateKeyCopy) {
return nullptr;
}
return new (std::nothrow) NSSTestKeyPair(publicKeyAlg,
subjectPublicKey,
privateKeyCopy.release());
}
private:
ScopedSECKEYPrivateKey privateKey;
};
} // namespace
// This private function is also used by Gecko's PSM test framework
// (OCSPCommon.cpp).
//
// Ownership of privateKey is transfered.
TestKeyPair* CreateTestKeyPair(const TestPublicKeyAlgorithm publicKeyAlg,
const SECKEYPublicKey& publicKey,
SECKEYPrivateKey* privateKey)
{
ScopedPtr<CERTSubjectPublicKeyInfo, SECKEY_DestroySubjectPublicKeyInfo>
spki(SECKEY_CreateSubjectPublicKeyInfo(&publicKey));
if (!spki) {
return nullptr;
}
SECItem spkDER = spki->subjectPublicKey;
DER_ConvertBitString(&spkDER); // bits to bytes
return new (std::nothrow) NSSTestKeyPair(publicKeyAlg,
ByteString(spkDER.data, spkDER.len),
privateKey);
}
namespace {
TestKeyPair*
GenerateKeyPairInner()
{
ScopedPtr<PK11SlotInfo, PK11_FreeSlot> slot(PK11_GetInternalSlot());
if (!slot) {
abort();
}
// Bug 1012786: PK11_GenerateKeyPair can fail if there is insufficient
// entropy to generate a random key. Attempting to add some entropy and
// retrying appears to solve this issue.
for (uint32_t retries = 0; retries < 10; retries++) {
PK11RSAGenParams params;
params.keySizeInBits = 2048;
params.pe = 3;
SECKEYPublicKey* publicKeyTemp = nullptr;
ScopedSECKEYPrivateKey
privateKey(PK11_GenerateKeyPair(slot.get(), CKM_RSA_PKCS_KEY_PAIR_GEN,
&params, &publicKeyTemp, false, true,
nullptr));
ScopedSECKEYPublicKey publicKey(publicKeyTemp);
if (privateKey) {
return CreateTestKeyPair(RSA_PKCS1(), *publicKey, privateKey.release());
}
assert(!publicKeyTemp);
if (PR_GetError() != SEC_ERROR_PKCS11_FUNCTION_FAILED) {
break;
}
// Since these keys are only for testing, we don't need them to be good,
// random keys.
// https://xkcd.com/221/
static const uint8_t RANDOM_NUMBER[] = { 4, 4, 4, 4, 4, 4, 4, 4 };
if (PK11_RandomUpdate((void*) &RANDOM_NUMBER,
sizeof(RANDOM_NUMBER)) != SECSuccess) {
break;
}
}
abort();
}
} // namespace
TestKeyPair*
GenerateKeyPair()
{
InitNSSIfNeeded();
return GenerateKeyPairInner();
}
TestKeyPair*
CloneReusedKeyPair()
{
static PRCallOnceType initCallOnce;
if (PR_CallOnce(&initCallOnce, InitReusedKeyPair) != PR_SUCCESS) {
abort();
}
assert(reusedKeyPair);
return reusedKeyPair->Clone();
}
TestKeyPair*
GenerateDSSKeyPair()
{
InitNSSIfNeeded();
ScopedPtr<PK11SlotInfo, PK11_FreeSlot> slot(PK11_GetInternalSlot());
if (!slot) {
return nullptr;
}
ByteString p(DSS_P());
ByteString q(DSS_Q());
ByteString g(DSS_G());
static const PQGParams PARAMS = {
nullptr,
{ siBuffer,
const_cast<uint8_t*>(p.data()),
static_cast<unsigned int>(p.length())
},
{ siBuffer,
const_cast<uint8_t*>(q.data()),
static_cast<unsigned int>(q.length())
},
{ siBuffer,
const_cast<uint8_t*>(g.data()),
static_cast<unsigned int>(g.length())
}
};
SECKEYPublicKey* publicKeyTemp = nullptr;
ScopedSECKEYPrivateKey
privateKey(PK11_GenerateKeyPair(slot.get(), CKM_DSA_KEY_PAIR_GEN,
const_cast<PQGParams*>(&PARAMS),
&publicKeyTemp, false, true, nullptr));
if (!privateKey) {
return nullptr;
}
ScopedSECKEYPublicKey publicKey(publicKeyTemp);
return CreateTestKeyPair(DSS(), *publicKey, privateKey.release());
}
Result
TestVerifyECDSASignedDigest(const SignedDigest& signedDigest,
Input subjectPublicKeyInfo)
{
InitNSSIfNeeded();
return VerifyECDSASignedDigestNSS(signedDigest, subjectPublicKeyInfo,
nullptr);
}
Result
TestVerifyRSAPKCS1SignedDigest(const SignedDigest& signedDigest,
Input subjectPublicKeyInfo)
{
InitNSSIfNeeded();
return VerifyRSAPKCS1SignedDigestNSS(signedDigest, subjectPublicKeyInfo,
nullptr);
}
Result
TestDigestBuf(Input item,
DigestAlgorithm digestAlg,
/*out*/ uint8_t* digestBuf,
size_t digestBufLen)
{
InitNSSIfNeeded();
return DigestBufNSS(item, digestAlg, digestBuf, digestBufLen);
}
} } } // namespace mozilla::pkix::test