1 files changed, 138 insertions, 0 deletions
diff --git a/nss/gtests/pk11_gtest/pk11_signature_test.h b/nss/gtests/pk11_gtest/pk11_signature_test.h
new file mode 100644
index 0000000..e6a0a9c
--- /dev/null
+++ b/nss/gtests/pk11_gtest/pk11_signature_test.h
@@ -0,0 +1,138 @@
+/* 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 "cpputil.h"
+#include "scoped_ptrs.h"
+
+#include "gtest/gtest.h"
+
+namespace nss_test {
+
+class Pk11SignatureTest : public ::testing::Test {
+ protected:
+  virtual CK_MECHANISM_TYPE mechanism() = 0;
+  virtual SECItem* parameters() = 0;
+  virtual SECOidTag hashOID() = 0;
+
+  ScopedSECKEYPrivateKey ImportPrivateKey(const uint8_t* pkcs8,
+                                          size_t pkcs8_len) {
+    ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
+    if (!slot) {
+      return nullptr;
+    }
+
+    SECItem pkcs8Item = {siBuffer, toUcharPtr(pkcs8),
+                         static_cast<unsigned int>(pkcs8_len)};
+
+    SECKEYPrivateKey* key = nullptr;
+    SECStatus rv = PK11_ImportDERPrivateKeyInfoAndReturnKey(
+        slot.get(), &pkcs8Item, nullptr, nullptr, false, false, KU_ALL, &key,
+        nullptr);
+
+    if (rv != SECSuccess) {
+      return nullptr;
+    }
+
+    return ScopedSECKEYPrivateKey(key);
+  }
+
+  ScopedSECKEYPublicKey ImportPublicKey(const uint8_t* spki, size_t spki_len) {
+    SECItem spkiItem = {siBuffer, toUcharPtr(spki),
+                        static_cast<unsigned int>(spki_len)};
+
+    ScopedCERTSubjectPublicKeyInfo certSpki(
+        SECKEY_DecodeDERSubjectPublicKeyInfo(&spkiItem));
+
+    return ScopedSECKEYPublicKey(SECKEY_ExtractPublicKey(certSpki.get()));
+  }
+
+  ScopedSECItem ComputeHash(const uint8_t* data, size_t len) {
+    unsigned int hLen = HASH_ResultLenByOidTag(hashOID());
+    ScopedSECItem hash(SECITEM_AllocItem(nullptr, nullptr, hLen));
+    if (!hash) {
+      return nullptr;
+    }
+
+    SECStatus rv = PK11_HashBuf(hashOID(), hash->data, data, len);
+    if (rv != SECSuccess) {
+      return nullptr;
+    }
+
+    return hash;
+  }
+
+  ScopedSECItem SignHashedData(ScopedSECKEYPrivateKey& privKey,
+                               ScopedSECItem& hash) {
+    unsigned int sLen = PK11_SignatureLen(privKey.get());
+    ScopedSECItem sig(SECITEM_AllocItem(nullptr, nullptr, sLen));
+    if (!sig) {
+      return nullptr;
+    }
+
+    SECStatus rv = PK11_SignWithMechanism(privKey.get(), mechanism(),
+                                          parameters(), sig.get(), hash.get());
+    if (rv != SECSuccess) {
+      return nullptr;
+    }
+
+    return sig;
+  }
+
+  ScopedSECItem ImportPrivateKeyAndSignHashedData(const uint8_t* pkcs8,
+                                                  size_t pkcs8_len,
+                                                  const uint8_t* data,
+                                                  size_t data_len) {
+    ScopedSECKEYPrivateKey privKey(ImportPrivateKey(pkcs8, pkcs8_len));
+    if (!privKey) {
+      return nullptr;
+    }
+
+    ScopedSECItem hash(ComputeHash(data, data_len));
+    if (!hash) {
+      return nullptr;
+    }
+
+    return ScopedSECItem(SignHashedData(privKey, hash));
+  }
+
+  void Verify(const uint8_t* spki, size_t spki_len, const uint8_t* data,
+              size_t data_len, const uint8_t* sig, size_t sig_len) {
+    ScopedSECKEYPublicKey pubKey(ImportPublicKey(spki, spki_len));
+    ASSERT_TRUE(pubKey);
+
+    ScopedSECItem hash(ComputeHash(data, data_len));
+    ASSERT_TRUE(hash);
+
+    SECItem sigItem = {siBuffer, toUcharPtr(sig),
+                       static_cast<unsigned int>(sig_len)};
+
+    // Verify.
+    SECStatus rv = PK11_VerifyWithMechanism(
+        pubKey.get(), mechanism(), parameters(), &sigItem, hash.get(), nullptr);
+    EXPECT_EQ(rv, SECSuccess);
+  }
+
+  void SignAndVerify(const uint8_t* pkcs8, size_t pkcs8_len,
+                     const uint8_t* spki, size_t spki_len, const uint8_t* data,
+                     size_t data_len) {
+    ScopedSECItem sig(
+        ImportPrivateKeyAndSignHashedData(pkcs8, pkcs8_len, data, data_len));
+    ASSERT_TRUE(sig);
+
+    Verify(spki, spki_len, data, data_len, sig->data, sig->len);
+  }
+};
+
+#define SIG_TEST_VECTOR_VERIFY(spki, data, sig) \
+  Verify(spki, sizeof(spki), data, sizeof(data), sig, sizeof(sig));
+
+#define SIG_TEST_VECTOR_SIGN_VERIFY(pkcs8, spki, data) \
+  SignAndVerify(pkcs8, sizeof(pkcs8), spki, sizeof(spki), data, sizeof(data));
+
+}  // namespace nss_test