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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,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdint.h>
#include "cpputil.h"
#include "cryptohi.h"
#include "gtest/gtest.h"
#include "limits.h"
#include "nss.h"
#include "nss_scoped_ptrs.h"
#include "pk11pub.h"
#include "testvectors/rsa_oaep_2048_sha1_mgf1sha1-vectors.h"
#include "testvectors/rsa_oaep_2048_sha256_mgf1sha1-vectors.h"
#include "testvectors/rsa_oaep_2048_sha256_mgf1sha256-vectors.h"
#include "testvectors/rsa_oaep_2048_sha384_mgf1sha1-vectors.h"
#include "testvectors/rsa_oaep_2048_sha384_mgf1sha384-vectors.h"
#include "testvectors/rsa_oaep_2048_sha512_mgf1sha1-vectors.h"
#include "testvectors/rsa_oaep_2048_sha512_mgf1sha512-vectors.h"
namespace nss_test {
class RsaOaepWycheproofTest
: public ::testing::TestWithParam<RsaOaepTestVectorStr> {
protected:
void TestDecrypt(const RsaOaepTestVectorStr vec) {
SECItem pkcs8_item = {siBuffer, toUcharPtr(vec.priv_key.data()),
static_cast<unsigned int>(vec.priv_key.size())};
ScopedPK11SlotInfo slot(PK11_GetInternalKeySlot());
EXPECT_NE(nullptr, slot);
SECKEYPrivateKey* key = nullptr;
SECStatus rv = PK11_ImportDERPrivateKeyInfoAndReturnKey(
slot.get(), &pkcs8_item, nullptr, nullptr, false, false, KU_ALL, &key,
nullptr);
ASSERT_EQ(SECSuccess, rv);
ASSERT_NE(nullptr, key);
ScopedSECKEYPrivateKey priv_key(key);
// Set up the OAEP parameters.
CK_RSA_PKCS_OAEP_PARAMS oaepParams;
oaepParams.source = CKZ_DATA_SPECIFIED;
oaepParams.pSourceData = const_cast<unsigned char*>(vec.label.data());
oaepParams.ulSourceDataLen = vec.label.size();
oaepParams.mgf = vec.mgf_hash;
oaepParams.hashAlg = HashOidToHashMech(vec.hash_oid);
SECItem params_item = {siBuffer,
toUcharPtr(reinterpret_cast<uint8_t*>(&oaepParams)),
static_cast<unsigned int>(sizeof(oaepParams))};
// Decrypt.
std::vector<uint8_t> decrypted(PR_MAX(1, vec.ct.size()));
unsigned int decrypted_len = 0;
rv = PK11_PrivDecrypt(priv_key.get(), CKM_RSA_PKCS_OAEP, ¶ms_item,
decrypted.data(), &decrypted_len, decrypted.size(),
vec.ct.data(), vec.ct.size());
if (vec.valid) {
EXPECT_EQ(SECSuccess, rv);
decrypted.resize(decrypted_len);
EXPECT_EQ(vec.msg, decrypted);
} else {
EXPECT_EQ(SECFailure, rv);
}
};
private:
inline CK_MECHANISM_TYPE HashOidToHashMech(SECOidTag hash_oid) {
switch (hash_oid) {
case SEC_OID_SHA1:
return CKM_SHA_1;
case SEC_OID_SHA224:
return CKM_SHA224;
case SEC_OID_SHA256:
return CKM_SHA256;
case SEC_OID_SHA384:
return CKM_SHA384;
case SEC_OID_SHA512:
return CKM_SHA512;
default:
ADD_FAILURE();
}
return CKM_INVALID_MECHANISM;
}
};
TEST_P(RsaOaepWycheproofTest, OaepDecrypt) { TestDecrypt(GetParam()); }
INSTANTIATE_TEST_SUITE_P(
WycheproofRsa2048Sha1OaepTest, RsaOaepWycheproofTest,
::testing::ValuesIn(kRsaOaep2048Sha1WycheproofVectors));
INSTANTIATE_TEST_SUITE_P(
WycheproofOaep2048Sha256Sha1Test, RsaOaepWycheproofTest,
::testing::ValuesIn(kRsaOaep2048Sha256Mgf1Sha1WycheproofVectors));
INSTANTIATE_TEST_SUITE_P(
WycheproofOaep2048Sha256Sha256Test, RsaOaepWycheproofTest,
::testing::ValuesIn(kRsaOaep2048Sha256Mgf1Sha256WycheproofVectors));
INSTANTIATE_TEST_SUITE_P(
WycheproofOaep2048Sha384Sha1Test, RsaOaepWycheproofTest,
::testing::ValuesIn(kRsaOaep2048Sha384Mgf1Sha1WycheproofVectors));
INSTANTIATE_TEST_SUITE_P(
WycheproofOaep2048Sha384Sha384Test, RsaOaepWycheproofTest,
::testing::ValuesIn(kRsaOaep2048Sha384Mgf1Sha384WycheproofVectors));
INSTANTIATE_TEST_SUITE_P(
WycheproofOaep2048Sha512Sha1Test, RsaOaepWycheproofTest,
::testing::ValuesIn(kRsaOaep2048Sha512Mgf1Sha1WycheproofVectors));
INSTANTIATE_TEST_SUITE_P(
WycheproofOaep2048Sha512Sha512Test, RsaOaepWycheproofTest,
::testing::ValuesIn(kRsaOaep2048Sha512Mgf1Sha512WycheproofVectors));
TEST(Pkcs11RsaOaepTest, TestOaepWrapUnwrap) {
const size_t kRsaKeyBits = 2048;
const size_t kwrappedBufLen = 4096;
SECStatus rv = SECFailure;
ScopedSECKEYPrivateKey priv;
ScopedSECKEYPublicKey pub;
PK11RSAGenParams rsa_params;
rsa_params.keySizeInBits = kRsaKeyBits;
rsa_params.pe = 65537;
ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
ASSERT_NE(slot, nullptr);
SECKEYPublicKey* p_pub_tmp = nullptr;
priv.reset(PK11_GenerateKeyPair(slot.get(), CKM_RSA_PKCS_KEY_PAIR_GEN,
&rsa_params, &p_pub_tmp, false, false,
nullptr));
pub.reset(p_pub_tmp);
ASSERT_NE(priv.get(), nullptr);
ASSERT_NE(pub.get(), nullptr);
ScopedPK11SymKey to_wrap(
PK11_KeyGen(slot.get(), CKM_AES_CBC, nullptr, 16, nullptr));
CK_RSA_PKCS_OAEP_PARAMS oaep_params = {CKM_SHA256, CKG_MGF1_SHA256,
CKZ_DATA_SPECIFIED, NULL, 0};
SECItem param = {siBuffer, (unsigned char*)&oaep_params, sizeof(oaep_params)};
ScopedSECItem wrapped(SECITEM_AllocItem(nullptr, nullptr, kwrappedBufLen));
rv = PK11_PubWrapSymKeyWithMechanism(pub.get(), CKM_RSA_PKCS_OAEP, ¶m,
to_wrap.get(), wrapped.get());
ASSERT_EQ(rv, SECSuccess);
PK11SymKey* p_unwrapped_tmp = nullptr;
// This fails because this method is broken and assumes CKM_RSA_PKCS and
// doesn't understand OAEP.
p_unwrapped_tmp = PK11_PubUnwrapSymKey(priv.get(), wrapped.get(), CKM_AES_CBC,
CKA_DECRYPT, 16);
ASSERT_EQ(p_unwrapped_tmp, nullptr);
ScopedPK11SymKey unwrapped;
p_unwrapped_tmp = PK11_PubUnwrapSymKeyWithMechanism(
priv.get(), CKM_RSA_PKCS_OAEP, ¶m, wrapped.get(), CKM_AES_CBC,
CKA_DECRYPT, 16);
ASSERT_NE(p_unwrapped_tmp, nullptr);
unwrapped.reset(p_unwrapped_tmp);
// Extract key's value in order to validate decryption worked.
rv = PK11_ExtractKeyValue(to_wrap.get());
ASSERT_EQ(rv, SECSuccess);
rv = PK11_ExtractKeyValue(unwrapped.get());
ASSERT_EQ(rv, SECSuccess);
// References owned by PKCS#11 layer; no need to scope and free.
SECItem* expectedItem = PK11_GetKeyData(to_wrap.get());
SECItem* actualItem = PK11_GetKeyData(unwrapped.get());
ASSERT_EQ(SECITEM_CompareItem(actualItem, expectedItem), 0);
}
} // namespace nss_test
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