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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 <memory>
#include "nss.h"
#include "pk11pub.h"
#include "sechash.h"
#include "gtest/gtest.h"
#include "nss_scoped_ptrs.h"
#include "pk11_signature_test.h"
#include "pk11_rsapss_vectors.h"
namespace nss_test {
class Pkcs11RsaPssTest : public Pk11SignatureTest {
public:
Pkcs11RsaPssTest() : Pk11SignatureTest(CKM_RSA_PKCS_PSS, SEC_OID_SHA1) {
rsaPssParams_.hashAlg = CKM_SHA_1;
rsaPssParams_.mgf = CKG_MGF1_SHA1;
rsaPssParams_.sLen = HASH_ResultLenByOidTag(SEC_OID_SHA1);
params_.type = siBuffer;
params_.data = reinterpret_cast<unsigned char*>(&rsaPssParams_);
params_.len = sizeof(rsaPssParams_);
}
protected:
const SECItem* parameters() const { return ¶ms_; }
private:
CK_RSA_PKCS_PSS_PARAMS rsaPssParams_;
SECItem params_;
};
TEST_F(Pkcs11RsaPssTest, GenerateAndSignAndVerify) {
// Sign data with a 1024-bit RSA key, using PSS/SHA-256.
SECOidTag hashOid = SEC_OID_SHA256;
CK_MECHANISM_TYPE hashMech = CKM_SHA256;
CK_RSA_PKCS_MGF_TYPE mgf = CKG_MGF1_SHA256;
PK11RSAGenParams rsaGenParams = {1024, 0x10001};
// Generate RSA key pair.
ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
SECKEYPublicKey* pubKeyRaw = nullptr;
ScopedSECKEYPrivateKey privKey(
PK11_GenerateKeyPair(slot.get(), CKM_RSA_PKCS_KEY_PAIR_GEN, &rsaGenParams,
&pubKeyRaw, false, false, nullptr));
ASSERT_TRUE(!!privKey && pubKeyRaw);
ScopedSECKEYPublicKey pubKey(pubKeyRaw);
// Generate random data to sign.
uint8_t dataBuf[50];
SECItem data = {siBuffer, dataBuf, sizeof(dataBuf)};
unsigned int hLen = HASH_ResultLenByOidTag(hashOid);
SECStatus rv = PK11_GenerateRandomOnSlot(slot.get(), data.data, data.len);
EXPECT_EQ(rv, SECSuccess);
// Allocate memory for the signature.
std::vector<uint8_t> sigBuf(PK11_SignatureLen(privKey.get()));
SECItem sig = {siBuffer, &sigBuf[0],
static_cast<unsigned int>(sigBuf.size())};
// Set up PSS parameters.
CK_RSA_PKCS_PSS_PARAMS rsaPssParams = {hashMech, mgf, hLen};
SECItem params = {siBuffer, reinterpret_cast<unsigned char*>(&rsaPssParams),
sizeof(rsaPssParams)};
// Sign.
rv = PK11_SignWithMechanism(privKey.get(), mechanism(), ¶ms, &sig, &data);
EXPECT_EQ(rv, SECSuccess);
// Verify.
rv = PK11_VerifyWithMechanism(pubKey.get(), mechanism(), ¶ms, &sig, &data,
nullptr);
EXPECT_EQ(rv, SECSuccess);
// Verification with modified data must fail.
data.data[0] ^= 0xff;
rv = PK11_VerifyWithMechanism(pubKey.get(), mechanism(), ¶ms, &sig, &data,
nullptr);
EXPECT_EQ(rv, SECFailure);
// Verification with original data but the wrong signature must fail.
data.data[0] ^= 0xff; // Revert previous changes.
sig.data[0] ^= 0xff;
rv = PK11_VerifyWithMechanism(pubKey.get(), mechanism(), ¶ms, &sig, &data,
nullptr);
EXPECT_EQ(rv, SECFailure);
}
TEST_F(Pkcs11RsaPssTest, NoLeakWithInvalidExponent) {
// Attempt to generate an RSA key with a public exponent of 1. This should
// fail, but it shouldn't leak memory.
PK11RSAGenParams rsaGenParams = {1024, 0x01};
// Generate RSA key pair.
ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
SECKEYPublicKey* pubKey = nullptr;
SECKEYPrivateKey* privKey =
PK11_GenerateKeyPair(slot.get(), CKM_RSA_PKCS_KEY_PAIR_GEN, &rsaGenParams,
&pubKey, false, false, nullptr);
EXPECT_FALSE(privKey);
EXPECT_FALSE(pubKey);
}
class Pkcs11RsaPssVectorTest
: public Pkcs11RsaPssTest,
public ::testing::WithParamInterface<Pkcs11SignatureTestParams> {};
TEST_P(Pkcs11RsaPssVectorTest, Verify) { Verify(GetParam()); }
TEST_P(Pkcs11RsaPssVectorTest, SignAndVerify) { SignAndVerify(GetParam()); }
#define VECTOR(pkcs8, spki, data, sig) \
{ \
DataBuffer(pkcs8, sizeof(pkcs8)), DataBuffer(spki, sizeof(spki)), \
DataBuffer(data, sizeof(data)), DataBuffer(sig, sizeof(sig)) \
}
#define VECTOR_N(n) \
VECTOR(kTestVector##n##Pkcs8, kTestVector##n##Spki, kTestVector##n##Data, \
kTestVector##n##Sig)
static const Pkcs11SignatureTestParams kRsaPssVectors[] = {
// RSA-PSS test vectors, pss-vect.txt, Example 1.1: A 1024-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(1),
// RSA-PSS test vectors, pss-vect.txt, Example 2.1: A 1025-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(2),
// RSA-PSS test vectors, pss-vect.txt, Example 3.1: A 1026-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(3),
// RSA-PSS test vectors, pss-vect.txt, Example 4.1: A 1027-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(4),
// RSA-PSS test vectors, pss-vect.txt, Example 5.1: A 1028-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(5),
// RSA-PSS test vectors, pss-vect.txt, Example 6.1: A 1029-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(6),
// RSA-PSS test vectors, pss-vect.txt, Example 7.1: A 1030-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(7),
// RSA-PSS test vectors, pss-vect.txt, Example 8.1: A 1031-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(8),
// RSA-PSS test vectors, pss-vect.txt, Example 9.1: A 1536-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(9),
// RSA-PSS test vectors, pss-vect.txt, Example 10.1: A 2048-bit RSA Key Pair
// <ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-1/pkcs-1v2-1-vec.zip>
VECTOR_N(10)};
INSTANTIATE_TEST_CASE_P(RsaPssSignVerify, Pkcs11RsaPssVectorTest,
::testing::ValuesIn(kRsaPssVectors));
} // namespace nss_test
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