Update NSS to 3.35-RTM

14 files changed, 1658 insertions, 0 deletions

diff --git a/security/nss/nss-tool/.clang-format b/security/nss/nss-tool/.clang-format
new file mode 100644
index 000000000..06e3c5115
--- /dev/null
+++ b/security/nss/nss-tool/.clang-format
@@ -0,0 +1,4 @@
+---
+Language: Cpp
+BasedOnStyle: Google
+...
diff --git a/security/nss/nss-tool/common/argparse.cc b/security/nss/nss-tool/common/argparse.cc
new file mode 100644
index 000000000..3b7c73891
--- /dev/null
+++ b/security/nss/nss-tool/common/argparse.cc
@@ -0,0 +1,23 @@
+/* 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 "argparse.h"
+
+ArgParser::ArgParser(const std::vector<std::string>& arguments) {
+  for (size_t i = 0; i < arguments.size(); i++) {
+    std::string arg = arguments.at(i);
+    if (arg.find("--") == 0) {
+      // look for an option argument
+      if (i + 1 < arguments.size() && arguments.at(i + 1).find("--") != 0) {
+        programArgs_[arg] = arguments.at(i + 1);
+        i++;
+      } else {
+        programArgs_[arg] = "";
+      }
+    } else {
+      // positional argument (e.g. required argument)
+      positionalArgs_.push_back(arg);
+    }
+  }
+}
diff --git a/security/nss/nss-tool/common/argparse.h b/security/nss/nss-tool/common/argparse.h
new file mode 100644
index 000000000..8645d5aaa
--- /dev/null
+++ b/security/nss/nss-tool/common/argparse.h
@@ -0,0 +1,30 @@
+/* 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/. */
+
+#ifndef argparse_h__
+#define argparse_h__
+
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+class ArgParser {
+ public:
+  ArgParser(const std::vector<std::string>& arguments);
+
+  bool Has(std::string arg) const { return programArgs_.count(arg) > 0; }
+
+  std::string Get(std::string arg) const { return programArgs_.at(arg); }
+
+  size_t GetPositionalArgumentCount() const { return positionalArgs_.size(); }
+  std::string GetPositionalArgument(size_t pos) const {
+    return positionalArgs_.at(pos);
+  }
+
+ private:
+  std::unordered_map<std::string, std::string> programArgs_;
+  std::vector<std::string> positionalArgs_;
+};
+
+#endif  // argparse_h__
diff --git a/security/nss/nss-tool/common/tool.h b/security/nss/nss-tool/common/tool.h
new file mode 100644
index 000000000..17ebcac29
--- /dev/null
+++ b/security/nss/nss-tool/common/tool.h
@@ -0,0 +1,20 @@
+/* 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/. */
+
+#ifndef tool_h__
+#define tool_h__
+
+#include <string>
+#include <vector>
+
+class Tool {
+ public:
+  virtual bool Run(const std::vector<std::string>& arguments) = 0;
+  virtual ~Tool() {}
+
+ private:
+  virtual void Usage() = 0;
+};
+
+#endif  // tool_h__
diff --git a/security/nss/nss-tool/common/util.cc b/security/nss/nss-tool/common/util.cc
new file mode 100644
index 000000000..77459155a
--- /dev/null
+++ b/security/nss/nss-tool/common/util.cc
@@ -0,0 +1,216 @@
+/* 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 "util.h"
+
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+#include <sstream>
+#include <string>
+
+#include <prerror.h>
+
+#if defined(__unix__) || defined(__APPLE__)
+#include <termios.h>
+#include <unistd.h>
+#elif defined(WIN32) || defined(_WIN64)
+#include <Windows.h>
+#endif
+
+static std::string GetPassword(const std::string &prompt) {
+  std::cout << prompt << std::endl;
+
+#if defined(__unix__) || defined(__APPLE__)
+  termios oldt;
+  tcgetattr(STDIN_FILENO, &oldt);
+  termios newt = oldt;
+  newt.c_lflag &= ~ECHO;
+  tcsetattr(STDIN_FILENO, TCSANOW, &newt);
+#elif defined(WIN32) || defined(_WIN64)
+  HANDLE hStdin = GetStdHandle(STD_INPUT_HANDLE);
+  DWORD mode = 0;
+  GetConsoleMode(hStdin, &mode);
+  SetConsoleMode(hStdin, mode & (~ENABLE_ECHO_INPUT));
+#endif
+
+  std::string pw;
+  std::getline(std::cin, pw);
+
+#if defined(__unix__) || defined(__APPLE__)
+  tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
+#elif defined(WIN32) || defined(_WIN64)
+  SetConsoleMode(hStdin, mode);
+#endif
+
+  return pw;
+}
+
+static char *GetModulePassword(PK11SlotInfo *slot, int retry, void *arg) {
+  if (arg == nullptr) {
+    return nullptr;
+  }
+
+  PwData *pwData = reinterpret_cast<PwData *>(arg);
+
+  if (retry > 0) {
+    std::cerr << "Incorrect password/PIN entered." << std::endl;
+    return nullptr;
+  }
+
+  switch (pwData->source) {
+    case PW_NONE:
+    case PW_FROMFILE:
+      std::cerr << "Password input method not supported." << std::endl;
+      return nullptr;
+    case PW_PLAINTEXT:
+      return PL_strdup(pwData->data);
+    default:
+      break;
+  }
+
+  std::cerr << "Password check failed:  No password found." << std::endl;
+  return nullptr;
+}
+
+static std::vector<uint8_t> ReadFromIstream(std::istream &is) {
+  std::vector<uint8_t> data;
+  while (is) {
+    char buf[1024];
+    is.read(buf, sizeof(buf));
+    data.insert(data.end(), buf, buf + is.gcount());
+  }
+
+  return data;
+}
+
+static std::string GetNewPasswordFromUser(void) {
+  std::string pw;
+
+  while (true) {
+    pw = GetPassword("Enter new password: ");
+    if (pw == GetPassword("Re-enter password: ")) {
+      break;
+    }
+
+    std::cerr << "Passwords do not match. Try again." << std::endl;
+  }
+
+  return pw;
+}
+
+bool InitSlotPassword(void) {
+  ScopedPK11SlotInfo slot(PK11_GetInternalKeySlot());
+  if (slot.get() == nullptr) {
+    std::cerr << "Error: Init PK11SlotInfo failed!" << std::endl;
+    return false;
+  }
+
+  std::cout << "Enter a password which will be used to encrypt your keys."
+            << std::endl
+            << std::endl;
+  std::string pw = GetNewPasswordFromUser();
+
+  SECStatus rv = PK11_InitPin(slot.get(), nullptr, pw.c_str());
+  if (rv != SECSuccess) {
+    std::cerr << "Init db password failed." << std::endl;
+    return false;
+  }
+
+  return true;
+}
+
+bool ChangeSlotPassword(void) {
+  ScopedPK11SlotInfo slot(PK11_GetInternalKeySlot());
+  if (slot.get() == nullptr) {
+    std::cerr << "Error: Init PK11SlotInfo failed!" << std::endl;
+    return false;
+  }
+
+  // get old password and authenticate to db
+  PK11_SetPasswordFunc(&GetModulePassword);
+  std::string oldPw = GetPassword("Enter your current password: ");
+  PwData pwData = {PW_PLAINTEXT, const_cast<char *>(oldPw.c_str())};
+  SECStatus rv = PK11_Authenticate(slot.get(), false /*loadCerts*/, &pwData);
+  if (rv != SECSuccess) {
+    std::cerr << "Password incorrect." << std::endl;
+    return false;
+  }
+
+  // get new password
+  std::string newPw = GetNewPasswordFromUser();
+
+  if (PK11_ChangePW(slot.get(), oldPw.c_str(), newPw.c_str()) != SECSuccess) {
+    std::cerr << "Failed to change password." << std::endl;
+    return false;
+  }
+
+  std::cout << "Password changed successfully." << std::endl;
+  return true;
+}
+
+bool DBLoginIfNeeded(const ScopedPK11SlotInfo &slot) {
+  if (!PK11_NeedLogin(slot.get())) {
+    return true;
+  }
+
+  PK11_SetPasswordFunc(&GetModulePassword);
+  std::string pw = GetPassword("Enter your password: ");
+  PwData pwData = {PW_PLAINTEXT, const_cast<char *>(pw.c_str())};
+  SECStatus rv = PK11_Authenticate(slot.get(), true /*loadCerts*/, &pwData);
+  if (rv != SECSuccess) {
+    std::cerr << "Could not authenticate to token "
+              << PK11_GetTokenName(slot.get()) << ". Failed with error "
+              << PR_ErrorToName(PR_GetError()) << std::endl;
+    return false;
+  }
+  std::cout << std::endl;
+
+  return true;
+}
+
+std::string StringToHex(const ScopedSECItem &input) {
+  std::stringstream ss;
+  ss << "0x";
+  for (size_t i = 0; i < input->len; i++) {
+    ss << std::hex << std::setfill('0') << std::setw(2)
+       << static_cast<int>(input->data[i]);
+  }
+
+  return ss.str();
+}
+
+std::vector<uint8_t> ReadInputData(std::string dataPath) {
+  std::vector<uint8_t> data;
+  if (dataPath.empty()) {
+    std::cout << "No input file path given, using stdin." << std::endl;
+    data = ReadFromIstream(std::cin);
+  } else {
+    std::ifstream is(dataPath, std::ifstream::binary);
+    if (is.good()) {
+      data = ReadFromIstream(is);
+    } else {
+      std::cerr << "IO Error when opening " << dataPath << std::endl;
+      std::cerr << "Input file does not exist or you don't have permissions."
+                << std::endl;
+    }
+  }
+
+  return data;
+}
+
+std::istream &GetStreamFromFileOrStdin(std::string &path, std::ifstream &ifs) {
+  if (path.empty()) {
+    return std::cin;
+  }
+
+  ifs.open(path, std::ifstream::binary);
+  if (!ifs.good()) {
+    std::cerr << "IO Error when opening " << path << std::endl;
+    std::cerr << "Input file does not exist or you don't have permissions."
+              << std::endl;
+  }
+
+  return ifs;
+}
diff --git a/security/nss/nss-tool/common/util.h b/security/nss/nss-tool/common/util.h
new file mode 100644
index 000000000..58fb05839
--- /dev/null
+++ b/security/nss/nss-tool/common/util.h
@@ -0,0 +1,32 @@
+/* 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/. */
+
+#ifndef util_h__
+#define util_h__
+
+#include "nspr.h"
+#include "scoped_ptrs.h"
+
+#include <secmodt.h>
+#include <string>
+#include <vector>
+
+#ifndef PORT_Malloc
+#define PORT_Malloc PR_Malloc
+#endif
+
+enum PwDataType { PW_NONE = 0, PW_FROMFILE = 1, PW_PLAINTEXT = 2 };
+typedef struct {
+  PwDataType source;
+  char *data;
+} PwData;
+
+bool InitSlotPassword(void);
+bool ChangeSlotPassword(void);
+bool DBLoginIfNeeded(const ScopedPK11SlotInfo &slot);
+std::string StringToHex(const ScopedSECItem &input);
+std::vector<uint8_t> ReadInputData(std::string dataPath);
+std::istream &GetStreamFromFileOrStdin(std::string &path, std::ifstream &ifs);
+
+#endif  // util_h__
diff --git a/security/nss/nss-tool/db/dbtool.cc b/security/nss/nss-tool/db/dbtool.cc
new file mode 100644
index 000000000..8c369cf05
--- /dev/null
+++ b/security/nss/nss-tool/db/dbtool.cc
@@ -0,0 +1,497 @@
+/* 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 "dbtool.h"
+#include "argparse.h"
+#include "scoped_ptrs.h"
+#include "util.h"
+
+#include <iomanip>
+#include <iostream>
+#include <regex>
+#include <sstream>
+
+#include <cert.h>
+#include <certdb.h>
+#include <nss.h>
+#include <pk11pub.h>
+#include <prerror.h>
+#include <prio.h>
+
+const std::vector<std::string> kCommandArgs(
+    {"--create", "--list-certs", "--import-cert", "--list-keys", "--import-key",
+     "--delete-cert", "--delete-key", "--change-password"});
+
+static bool HasSingleCommandArgument(const ArgParser &parser) {
+  auto pred = [&](const std::string &cmd) { return parser.Has(cmd); };
+  return std::count_if(kCommandArgs.begin(), kCommandArgs.end(), pred) == 1;
+}
+
+static bool HasArgumentRequiringWriteAccess(const ArgParser &parser) {
+  return parser.Has("--create") || parser.Has("--import-cert") ||
+         parser.Has("--import-key") || parser.Has("--delete-cert") ||
+         parser.Has("--delete-key") || parser.Has("--change-password");
+}
+
+static std::string PrintFlags(unsigned int flags) {
+  std::stringstream ss;
+  if ((flags & CERTDB_VALID_CA) && !(flags & CERTDB_TRUSTED_CA) &&
+      !(flags & CERTDB_TRUSTED_CLIENT_CA)) {
+    ss << "c";
+  }
+  if ((flags & CERTDB_TERMINAL_RECORD) && !(flags & CERTDB_TRUSTED)) {
+    ss << "p";
+  }
+  if (flags & CERTDB_TRUSTED_CA) {
+    ss << "C";
+  }
+  if (flags & CERTDB_TRUSTED_CLIENT_CA) {
+    ss << "T";
+  }
+  if (flags & CERTDB_TRUSTED) {
+    ss << "P";
+  }
+  if (flags & CERTDB_USER) {
+    ss << "u";
+  }
+  if (flags & CERTDB_SEND_WARN) {
+    ss << "w";
+  }
+  if (flags & CERTDB_INVISIBLE_CA) {
+    ss << "I";
+  }
+  if (flags & CERTDB_GOVT_APPROVED_CA) {
+    ss << "G";
+  }
+  return ss.str();
+}
+
+static const char *const keyTypeName[] = {"null", "rsa", "dsa", "fortezza",
+                                          "dh",   "kea", "ec"};
+
+void DBTool::Usage() {
+  std::cerr << "Usage: nss db [--path <directory>]" << std::endl;
+  std::cerr << "  --create" << std::endl;
+  std::cerr << "  --change-password" << std::endl;
+  std::cerr << "  --list-certs" << std::endl;
+  std::cerr << "  --import-cert [<path>] --name <name> [--trusts <trusts>]"
+            << std::endl;
+  std::cerr << "  --list-keys" << std::endl;
+  std::cerr << "  --import-key [<path> [-- name <name>]]" << std::endl;
+  std::cerr << "  --delete-cert <name>" << std::endl;
+  std::cerr << "  --delete-key <name>" << std::endl;
+}
+
+bool DBTool::Run(const std::vector<std::string> &arguments) {
+  ArgParser parser(arguments);
+
+  if (!HasSingleCommandArgument(parser)) {
+    Usage();
+    return false;
+  }
+
+  PRAccessHow how = PR_ACCESS_READ_OK;
+  bool readOnly = true;
+  if (HasArgumentRequiringWriteAccess(parser)) {
+    how = PR_ACCESS_WRITE_OK;
+    readOnly = false;
+  }
+
+  std::string initDir(".");
+  if (parser.Has("--path")) {
+    initDir = parser.Get("--path");
+  }
+  if (PR_Access(initDir.c_str(), how) != PR_SUCCESS) {
+    std::cerr << "Directory '" << initDir
+              << "' does not exist or you don't have permissions!" << std::endl;
+    return false;
+  }
+
+  std::cout << "Using database directory: " << initDir << std::endl
+            << std::endl;
+
+  bool dbFilesExist = PathHasDBFiles(initDir);
+  if (parser.Has("--create") && dbFilesExist) {
+    std::cerr << "Trying to create database files in a directory where they "
+                 "already exists. Delete the db files before creating new ones."
+              << std::endl;
+    return false;
+  }
+  if (!parser.Has("--create") && !dbFilesExist) {
+    std::cerr << "No db files found." << std::endl;
+    std::cerr << "Create them using 'nss db --create [--path /foo/bar]' before "
+                 "continuing."
+              << std::endl;
+    return false;
+  }
+
+  // init NSS
+  const char *certPrefix = "";  // certutil -P option  --- can leave this empty
+  SECStatus rv = NSS_Initialize(initDir.c_str(), certPrefix, certPrefix,
+                                "secmod.db", readOnly ? NSS_INIT_READONLY : 0);
+  if (rv != SECSuccess) {
+    std::cerr << "NSS init failed!" << std::endl;
+    return false;
+  }
+
+  bool ret = true;
+  if (parser.Has("--list-certs")) {
+    ListCertificates();
+  } else if (parser.Has("--import-cert")) {
+    ret = ImportCertificate(parser);
+  } else if (parser.Has("--create")) {
+    ret = InitSlotPassword();
+    if (ret) {
+      std::cout << "DB files created successfully." << std::endl;
+    }
+  } else if (parser.Has("--list-keys")) {
+    ret = ListKeys();
+  } else if (parser.Has("--import-key")) {
+    ret = ImportKey(parser);
+  } else if (parser.Has("--delete-cert")) {
+    ret = DeleteCert(parser);
+  } else if (parser.Has("--delete-key")) {
+    ret = DeleteKey(parser);
+  } else if (parser.Has("--change-password")) {
+    ret = ChangeSlotPassword();
+  }
+
+  // shutdown nss
+  if (NSS_Shutdown() != SECSuccess) {
+    std::cerr << "NSS Shutdown failed!" << std::endl;
+    return false;
+  }
+
+  return ret;
+}
+
+bool DBTool::PathHasDBFiles(std::string path) {
+  std::regex certDBPattern("cert.*\\.db");
+  std::regex keyDBPattern("key.*\\.db");
+
+  PRDir *dir = PR_OpenDir(path.c_str());
+  if (!dir) {
+    std::cerr << "Directory " << path << " could not be accessed!" << std::endl;
+    return false;
+  }
+
+  PRDirEntry *ent;
+  bool dbFileExists = false;
+  while ((ent = PR_ReadDir(dir, PR_SKIP_BOTH))) {
+    if (std::regex_match(ent->name, certDBPattern) ||
+        std::regex_match(ent->name, keyDBPattern) ||
+        "secmod.db" == std::string(ent->name)) {
+      dbFileExists = true;
+      break;
+    }
+  }
+
+  (void)PR_CloseDir(dir);
+  return dbFileExists;
+}
+
+void DBTool::ListCertificates() {
+  ScopedCERTCertList list(PK11_ListCerts(PK11CertListAll, nullptr));
+  CERTCertListNode *node;
+
+  std::cout << std::setw(60) << std::left << "Certificate Nickname"
+            << " "
+            << "Trust Attributes" << std::endl;
+  std::cout << std::setw(60) << std::left << ""
+            << " "
+            << "SSL,S/MIME,JAR/XPI" << std::endl
+            << std::endl;
+
+  for (node = CERT_LIST_HEAD(list); !CERT_LIST_END(node, list);
+       node = CERT_LIST_NEXT(node)) {
+    CERTCertificate *cert = node->cert;
+
+    std::string name("(unknown)");
+    char *appData = static_cast<char *>(node->appData);
+    if (appData && strlen(appData) > 0) {
+      name = appData;
+    } else if (cert->nickname && strlen(cert->nickname) > 0) {
+      name = cert->nickname;
+    } else if (cert->emailAddr && strlen(cert->emailAddr) > 0) {
+      name = cert->emailAddr;
+    }
+
+    CERTCertTrust trust;
+    std::string trusts;
+    if (CERT_GetCertTrust(cert, &trust) == SECSuccess) {
+      std::stringstream ss;
+      ss << PrintFlags(trust.sslFlags);
+      ss << ",";
+      ss << PrintFlags(trust.emailFlags);
+      ss << ",";
+      ss << PrintFlags(trust.objectSigningFlags);
+      trusts = ss.str();
+    } else {
+      trusts = ",,";
+    }
+    std::cout << std::setw(60) << std::left << name << " " << trusts
+              << std::endl;
+  }
+}
+
+bool DBTool::ImportCertificate(const ArgParser &parser) {
+  if (!parser.Has("--name")) {
+    std::cerr << "A name (--name) is required to import a certificate."
+              << std::endl;
+    Usage();
+    return false;
+  }
+
+  std::string derFilePath = parser.Get("--import-cert");
+  std::string certName = parser.Get("--name");
+  std::string trustString("TCu,Cu,Tu");
+  if (parser.Has("--trusts")) {
+    trustString = parser.Get("--trusts");
+  }
+
+  CERTCertTrust trust;
+  SECStatus rv = CERT_DecodeTrustString(&trust, trustString.c_str());
+  if (rv != SECSuccess) {
+    std::cerr << "Cannot decode trust string!" << std::endl;
+    return false;
+  }
+
+  ScopedPK11SlotInfo slot(PK11_GetInternalKeySlot());
+  if (slot.get() == nullptr) {
+    std::cerr << "Error: Init PK11SlotInfo failed!" << std::endl;
+    return false;
+  }
+
+  std::vector<uint8_t> certData = ReadInputData(derFilePath);
+
+  ScopedCERTCertificate cert(CERT_DecodeCertFromPackage(
+      reinterpret_cast<char *>(certData.data()), certData.size()));
+  if (cert.get() == nullptr) {
+    std::cerr << "Error: Could not decode certificate!" << std::endl;
+    return false;
+  }
+
+  rv = PK11_ImportCert(slot.get(), cert.get(), CK_INVALID_HANDLE,
+                       certName.c_str(), PR_FALSE);
+  if (rv != SECSuccess) {
+    // TODO handle authentication -> PK11_Authenticate (see certutil.c line
+    // 134)
+    std::cerr << "Error: Could not add certificate to database!" << std::endl;
+    return false;
+  }
+
+  rv = CERT_ChangeCertTrust(CERT_GetDefaultCertDB(), cert.get(), &trust);
+  if (rv != SECSuccess) {
+    std::cerr << "Cannot change cert's trust" << std::endl;
+    return false;
+  }
+
+  std::cout << "Certificate import was successful!" << std::endl;
+  // TODO show information about imported certificate
+  return true;
+}
+
+bool DBTool::ListKeys() {
+  ScopedPK11SlotInfo slot(PK11_GetInternalKeySlot());
+  if (slot.get() == nullptr) {
+    std::cerr << "Error: Init PK11SlotInfo failed!" << std::endl;
+    return false;
+  }
+
+  if (!DBLoginIfNeeded(slot)) {
+    return false;
+  }
+
+  ScopedSECKEYPrivateKeyList list(PK11_ListPrivateKeysInSlot(slot.get()));
+  if (list.get() == nullptr) {
+    std::cerr << "Listing private keys failed with error "
+              << PR_ErrorToName(PR_GetError()) << std::endl;
+    return false;
+  }
+
+  SECKEYPrivateKeyListNode *node;
+  int count = 0;
+  for (node = PRIVKEY_LIST_HEAD(list.get());
+       !PRIVKEY_LIST_END(node, list.get()); node = PRIVKEY_LIST_NEXT(node)) {
+    char *keyNameRaw = PK11_GetPrivateKeyNickname(node->key);
+    std::string keyName(keyNameRaw ? keyNameRaw : "");
+
+    if (keyName.empty()) {
+      ScopedCERTCertificate cert(PK11_GetCertFromPrivateKey(node->key));
+      if (cert.get()) {
+        if (cert->nickname && strlen(cert->nickname) > 0) {
+          keyName = cert->nickname;
+        } else if (cert->emailAddr && strlen(cert->emailAddr) > 0) {
+          keyName = cert->emailAddr;
+        }
+      }
+      if (keyName.empty()) {
+        keyName = "(none)";  // default value
+      }
+    }
+
+    SECKEYPrivateKey *key = node->key;
+    ScopedSECItem keyIDItem(PK11_GetLowLevelKeyIDForPrivateKey(key));
+    if (keyIDItem.get() == nullptr) {
+      std::cerr << "Error: PK11_GetLowLevelKeyIDForPrivateKey failed!"
+                << std::endl;
+      continue;
+    }
+
+    std::string keyID = StringToHex(keyIDItem);
+
+    if (count++ == 0) {
+      // print header
+      std::cout << std::left << std::setw(20) << "<key#, key name>"
+                << std::setw(20) << "key type"
+                << "key id" << std::endl;
+    }
+
+    std::stringstream leftElem;
+    leftElem << "<" << count << ", " << keyName << ">";
+    std::cout << std::left << std::setw(20) << leftElem.str() << std::setw(20)
+              << keyTypeName[key->keyType] << keyID << std::endl;
+  }
+
+  if (count == 0) {
+    std::cout << "No keys found." << std::endl;
+  }
+
+  return true;
+}
+
+bool DBTool::ImportKey(const ArgParser &parser) {
+  std::string privKeyFilePath = parser.Get("--import-key");
+  std::string name;
+  if (parser.Has("--name")) {
+    name = parser.Get("--name");
+  }
+
+  ScopedPK11SlotInfo slot(PK11_GetInternalKeySlot());
+  if (slot.get() == nullptr) {
+    std::cerr << "Error: Init PK11SlotInfo failed!" << std::endl;
+    return false;
+  }
+
+  if (!DBLoginIfNeeded(slot)) {
+    return false;
+  }
+
+  std::vector<uint8_t> privKeyData = ReadInputData(privKeyFilePath);
+  if (privKeyData.empty()) {
+    return false;
+  }
+  SECItem pkcs8PrivKeyItem = {
+      siBuffer, reinterpret_cast<unsigned char *>(privKeyData.data()),
+      static_cast<unsigned int>(privKeyData.size())};
+
+  SECItem nickname = {siBuffer, nullptr, 0};
+  if (!name.empty()) {
+    nickname.data = const_cast<unsigned char *>(
+        reinterpret_cast<const unsigned char *>(name.c_str()));
+    nickname.len = static_cast<unsigned int>(name.size());
+  }
+
+  SECStatus rv = PK11_ImportDERPrivateKeyInfo(
+      slot.get(), &pkcs8PrivKeyItem,
+      nickname.data == nullptr ? nullptr : &nickname, nullptr /*publicValue*/,
+      true /*isPerm*/, false /*isPrivate*/, KU_ALL, nullptr);
+  if (rv != SECSuccess) {
+    std::cerr << "Importing a private key in DER format failed with error "
+              << PR_ErrorToName(PR_GetError()) << std::endl;
+    return false;
+  }
+
+  std::cout << "Key import succeeded." << std::endl;
+  return true;
+}
+
+bool DBTool::DeleteCert(const ArgParser &parser) {
+  std::string certName = parser.Get("--delete-cert");
+  if (certName.empty()) {
+    std::cerr << "A name is required to delete a certificate." << std::endl;
+    Usage();
+    return false;
+  }
+
+  ScopedCERTCertificate cert(CERT_FindCertByNicknameOrEmailAddr(
+      CERT_GetDefaultCertDB(), certName.c_str()));
+  if (!cert) {
+    std::cerr << "Could not find certificate with name " << certName << "."
+              << std::endl;
+    return false;
+  }
+
+  SECStatus rv = SEC_DeletePermCertificate(cert.get());
+  if (rv != SECSuccess) {
+    std::cerr << "Unable to delete certificate with name " << certName << "."
+              << std::endl;
+    return false;
+  }
+
+  std::cout << "Certificate with name " << certName << " deleted successfully."
+            << std::endl;
+  return true;
+}
+
+bool DBTool::DeleteKey(const ArgParser &parser) {
+  std::string keyName = parser.Get("--delete-key");
+  if (keyName.empty()) {
+    std::cerr << "A name is required to delete a key." << std::endl;
+    Usage();
+    return false;
+  }
+
+  ScopedPK11SlotInfo slot(PK11_GetInternalKeySlot());
+  if (slot.get() == nullptr) {
+    std::cerr << "Error: Init PK11SlotInfo failed!" << std::endl;
+    return false;
+  }
+
+  if (!DBLoginIfNeeded(slot)) {
+    return false;
+  }
+
+  ScopedSECKEYPrivateKeyList list(PK11_ListPrivKeysInSlot(
+      slot.get(), const_cast<char *>(keyName.c_str()), nullptr));
+  if (list.get() == nullptr) {
+    std::cerr << "Fetching private keys with nickname " << keyName
+              << " failed with error " << PR_ErrorToName(PR_GetError())
+              << std::endl;
+    return false;
+  }
+
+  unsigned int foundKeys = 0, deletedKeys = 0;
+  SECKEYPrivateKeyListNode *node;
+  for (node = PRIVKEY_LIST_HEAD(list.get());
+       !PRIVKEY_LIST_END(node, list.get()); node = PRIVKEY_LIST_NEXT(node)) {
+    SECKEYPrivateKey *privKey = node->key;
+    foundKeys++;
+    // see PK11_DeleteTokenPrivateKey for example usage
+    // calling PK11_DeleteTokenPrivateKey directly does not work because it also
+    // destroys the SECKEYPrivateKey (by calling SECKEY_DestroyPrivateKey) -
+    // then SECKEY_DestroyPrivateKeyList does not
+    // work because it also calls SECKEY_DestroyPrivateKey
+    SECStatus rv =
+        PK11_DestroyTokenObject(privKey->pkcs11Slot, privKey->pkcs11ID);
+    if (rv == SECSuccess) {
+      deletedKeys++;
+    }
+  }
+
+  if (foundKeys > deletedKeys) {
+    std::cerr << "Some keys could not be deleted." << std::endl;
+  }
+
+  if (deletedKeys > 0) {
+    std::cout << "Found " << foundKeys << " keys." << std::endl;
+    std::cout << "Successfully deleted " << deletedKeys
+              << " key(s) with nickname " << keyName << "." << std::endl;
+  } else {
+    std::cout << "No key with nickname " << keyName << " found to delete."
+              << std::endl;
+  }
+
+  return true;
+}
diff --git a/security/nss/nss-tool/db/dbtool.h b/security/nss/nss-tool/db/dbtool.h
new file mode 100644
index 000000000..dd0ef0ace
--- /dev/null
+++ b/security/nss/nss-tool/db/dbtool.h
@@ -0,0 +1,28 @@
+/* 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/. */
+
+#ifndef dbtool_h__
+#define dbtool_h__
+
+#include <string>
+#include <vector>
+#include "argparse.h"
+#include "tool.h"
+
+class DBTool : public Tool {
+ public:
+  bool Run(const std::vector<std::string>& arguments) override;
+
+ private:
+  void Usage() override;
+  bool PathHasDBFiles(std::string path);
+  void ListCertificates();
+  bool ImportCertificate(const ArgParser& parser);
+  bool ListKeys();
+  bool ImportKey(const ArgParser& parser);
+  bool DeleteCert(const ArgParser& parser);
+  bool DeleteKey(const ArgParser& parser);
+};
+
+#endif  // dbtool_h__
diff --git a/security/nss/nss-tool/digest/digesttool.cc b/security/nss/nss-tool/digest/digesttool.cc
new file mode 100644
index 000000000..08c3e3ba7
--- /dev/null
+++ b/security/nss/nss-tool/digest/digesttool.cc
@@ -0,0 +1,161 @@
+/* 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 "digesttool.h"
+#include "argparse.h"
+#include "scoped_ptrs.h"
+#include "util.h"
+
+#include <algorithm>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+
+#include <hasht.h>  // contains supported digest types
+#include <nss.h>
+#include <pk11pub.h>
+#include <prio.h>
+
+static SECOidData* HashTypeToOID(HASH_HashType hashtype) {
+  SECOidTag hashtag;
+
+  if (hashtype <= HASH_AlgNULL || hashtype >= HASH_AlgTOTAL) {
+    return nullptr;
+  }
+
+  switch (hashtype) {
+    case HASH_AlgMD5:
+      hashtag = SEC_OID_MD5;
+      break;
+    case HASH_AlgSHA1:
+      hashtag = SEC_OID_SHA1;
+      break;
+    case HASH_AlgSHA224:
+      hashtag = SEC_OID_SHA224;
+      break;
+    case HASH_AlgSHA256:
+      hashtag = SEC_OID_SHA256;
+      break;
+    case HASH_AlgSHA384:
+      hashtag = SEC_OID_SHA384;
+      break;
+    case HASH_AlgSHA512:
+      hashtag = SEC_OID_SHA512;
+      break;
+    default:
+      return nullptr;
+  }
+
+  return SECOID_FindOIDByTag(hashtag);
+}
+
+static SECOidData* HashNameToOID(const std::string& hashName) {
+  for (size_t htype = HASH_AlgNULL + 1; htype < HASH_AlgTOTAL; htype++) {
+    SECOidData* hashOID = HashTypeToOID(static_cast<HASH_HashType>(htype));
+    if (hashOID && std::string(hashOID->desc) == hashName) {
+      return hashOID;
+    }
+  }
+
+  return nullptr;
+}
+
+static bool Digest(const ArgParser& parser, SECOidData* hashOID);
+static bool ComputeDigest(std::istream& is, ScopedPK11Context& hashCtx);
+
+bool DigestTool::Run(const std::vector<std::string>& arguments) {
+  ArgParser parser(arguments);
+
+  if (parser.GetPositionalArgumentCount() != 1) {
+    Usage();
+    return false;
+  }
+
+  // no need for a db for the digest tool
+  SECStatus rv = NSS_NoDB_Init(".");
+  if (rv != SECSuccess) {
+    std::cerr << "NSS init failed!" << std::endl;
+    return false;
+  }
+
+  std::string hashName = parser.GetPositionalArgument(0);
+  std::transform(hashName.begin(), hashName.end(), hashName.begin(), ::toupper);
+  SECOidData* hashOID = HashNameToOID(hashName);
+  if (hashOID == nullptr) {
+    std::cerr << "Error: Unknown digest type "
+              << parser.GetPositionalArgument(0) << "." << std::endl;
+    return false;
+  }
+
+  bool ret = Digest(parser, hashOID);
+
+  // shutdown nss
+  if (NSS_Shutdown() != SECSuccess) {
+    std::cerr << "NSS Shutdown failed!" << std::endl;
+    return false;
+  }
+
+  return ret;
+}
+
+void DigestTool::Usage() {
+  std::cerr << "Usage: nss digest md5|sha-1|sha-224|sha-256|sha-384|sha-512 "
+               "[--infile <path>]"
+            << std::endl;
+}
+
+static bool Digest(const ArgParser& parser, SECOidData* hashOID) {
+  std::string inputFile;
+  if (parser.Has("--infile")) {
+    inputFile = parser.Get("--infile");
+  }
+
+  ScopedPK11Context hashCtx(PK11_CreateDigestContext(hashOID->offset));
+  if (hashCtx == nullptr) {
+    std::cerr << "Creating digest context failed." << std::endl;
+    return false;
+  }
+  PK11_DigestBegin(hashCtx.get());
+
+  std::ifstream fis;
+  std::istream& is = GetStreamFromFileOrStdin(inputFile, fis);
+  if (!is.good() || !ComputeDigest(is, hashCtx)) {
+    return false;
+  }
+
+  unsigned char digest[HASH_LENGTH_MAX];
+  unsigned int len;
+  SECStatus rv = PK11_DigestFinal(hashCtx.get(), digest, &len, HASH_LENGTH_MAX);
+  if (rv != SECSuccess || len == 0) {
+    std::cerr << "Calculating final hash value failed." << std::endl;
+    return false;
+  }
+
+  // human readable output
+  for (size_t i = 0; i < len; i++) {
+    std::cout << std::setw(2) << std::setfill('0') << std::hex
+              << static_cast<int>(digest[i]);
+  }
+  std::cout << std::endl;
+
+  return true;
+}
+
+static bool ComputeDigest(std::istream& is, ScopedPK11Context& hashCtx) {
+  while (is) {
+    unsigned char buf[4096];
+    is.read(reinterpret_cast<char*>(buf), sizeof(buf));
+    if (is.fail() && !is.eof()) {
+      std::cerr << "Error reading from input stream." << std::endl;
+      return false;
+    }
+    SECStatus rv = PK11_DigestOp(hashCtx.get(), buf, is.gcount());
+    if (rv != SECSuccess) {
+      std::cerr << "PK11_DigestOp failed." << std::endl;
+      return false;
+    }
+  }
+
+  return true;
+}
diff --git a/security/nss/nss-tool/digest/digesttool.h b/security/nss/nss-tool/digest/digesttool.h
new file mode 100644
index 000000000..0e18346f5
--- /dev/null
+++ b/security/nss/nss-tool/digest/digesttool.h
@@ -0,0 +1,20 @@
+/* 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/. */
+
+#ifndef digest_tool_h__
+#define digest_tool_h__
+
+#include <string>
+#include <vector>
+#include "tool.h"
+
+class DigestTool : public Tool {
+ public:
+  bool Run(const std::vector<std::string>& arguments) override;
+
+ private:
+  void Usage() override;
+};
+
+#endif  // digest_tool_h__
diff --git a/security/nss/nss-tool/enc/enctool.cc b/security/nss/nss-tool/enc/enctool.cc
new file mode 100644
index 000000000..b3c0d1dbe
--- /dev/null
+++ b/security/nss/nss-tool/enc/enctool.cc
@@ -0,0 +1,464 @@
+/* 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 "enctool.h"
+#include "argparse.h"
+#include "util.h"
+
+#include "nss.h"
+
+#include <assert.h>
+#include <chrono>
+#include <fstream>
+#include <iomanip>
+#include <iostream>
+
+void EncTool::PrintError(const std::string& m, size_t line_number) {
+  std::cerr << m << " - enctool.cc:" << line_number << std::endl;
+}
+
+void EncTool::PrintError(const std::string& m, PRErrorCode err,
+                         size_t line_number) {
+  std::cerr << m << " (error " << err << ")"
+            << " - enctool.cc:" << line_number << std::endl;
+}
+
+void EncTool::PrintBytes(const std::vector<uint8_t>& bytes,
+                         const std::string& txt) {
+  if (debug_) {
+    std::cerr << txt << ": ";
+    for (uint8_t b : bytes) {
+      std::cerr << std::setfill('0') << std::setw(2) << std::hex
+                << static_cast<int>(b);
+    }
+    std::cerr << std::endl << std::dec;
+  }
+}
+
+std::vector<uint8_t> EncTool::GenerateRandomness(size_t num_bytes) {
+  std::vector<uint8_t> bytes(num_bytes);
+  if (PK11_GenerateRandom(bytes.data(), num_bytes) != SECSuccess) {
+    PrintError("No randomness available. Abort!", __LINE__);
+    exit(1);
+  }
+  return bytes;
+}
+
+bool EncTool::WriteBytes(const std::vector<uint8_t>& bytes,
+                         std::string out_file) {
+  std::fstream output(out_file, std::ios::out | std::ios::binary);
+  if (!output.good()) {
+    return false;
+  }
+  output.write(reinterpret_cast<const char*>(
+                   const_cast<const unsigned char*>(bytes.data())),
+               bytes.size());
+  output.flush();
+  output.close();
+  return true;
+}
+
+bool EncTool::GetKey(const std::vector<uint8_t>& key_bytes,
+                     ScopedSECItem& key_item) {
+  if (key_bytes.empty()) {
+    return false;
+  }
+
+  // Build key.
+  key_item =
+      ScopedSECItem(SECITEM_AllocItem(nullptr, nullptr, key_bytes.size()));
+  if (!key_item) {
+    return false;
+  }
+  key_item->type = siBuffer;
+  memcpy(key_item->data, key_bytes.data(), key_bytes.size());
+  key_item->len = key_bytes.size();
+
+  return true;
+}
+
+bool EncTool::GetAesGcmKey(const std::vector<uint8_t>& aad,
+                           const std::vector<uint8_t>& iv_bytes,
+                           const std::vector<uint8_t>& key_bytes,
+                           ScopedSECItem& aes_key, ScopedSECItem& params) {
+  if (iv_bytes.empty()) {
+    return false;
+  }
+
+  // GCM params.
+  CK_GCM_PARAMS* gcm_params =
+      static_cast<CK_GCM_PARAMS*>(PORT_Malloc(sizeof(struct CK_GCM_PARAMS)));
+  if (!gcm_params) {
+    return false;
+  }
+
+  uint8_t* iv = static_cast<uint8_t*>(PORT_Malloc(iv_bytes.size()));
+  if (!iv) {
+    return false;
+  }
+  memcpy(iv, iv_bytes.data(), iv_bytes.size());
+  gcm_params->pIv = iv;
+  gcm_params->ulIvLen = iv_bytes.size();
+  gcm_params->ulTagBits = 128;
+  if (aad.empty()) {
+    gcm_params->pAAD = nullptr;
+    gcm_params->ulAADLen = 0;
+  } else {
+    uint8_t* ad = static_cast<uint8_t*>(PORT_Malloc(aad.size()));
+    if (!ad) {
+      return false;
+    }
+    memcpy(ad, aad.data(), aad.size());
+    gcm_params->pAAD = ad;
+    gcm_params->ulAADLen = aad.size();
+  }
+
+  params =
+      ScopedSECItem(SECITEM_AllocItem(nullptr, nullptr, sizeof(*gcm_params)));
+  if (!params) {
+    return false;
+  }
+  params->len = sizeof(*gcm_params);
+  params->type = siBuffer;
+  params->data = reinterpret_cast<unsigned char*>(gcm_params);
+
+  return GetKey(key_bytes, aes_key);
+}
+
+bool EncTool::GenerateAesGcmKey(const std::vector<uint8_t>& aad,
+                                ScopedSECItem& aes_key, ScopedSECItem& params) {
+  size_t key_size = 16, iv_size = 12;
+  std::vector<uint8_t> iv_bytes = GenerateRandomness(iv_size);
+  PrintBytes(iv_bytes, "IV");
+  std::vector<uint8_t> key_bytes = GenerateRandomness(key_size);
+  PrintBytes(key_bytes, "key");
+  // Maybe write out the key and parameters.
+  if (write_key_ && !WriteBytes(key_bytes, key_file_)) {
+    return false;
+  }
+  if (write_iv_ && !WriteBytes(iv_bytes, iv_file_)) {
+    return false;
+  }
+  return GetAesGcmKey(aad, iv_bytes, key_bytes, aes_key, params);
+}
+
+bool EncTool::ReadAesGcmKey(const std::vector<uint8_t>& aad,
+                            ScopedSECItem& aes_key, ScopedSECItem& params) {
+  std::vector<uint8_t> iv_bytes = ReadInputData(iv_file_);
+  PrintBytes(iv_bytes, "IV");
+  std::vector<uint8_t> key_bytes = ReadInputData(key_file_);
+  PrintBytes(key_bytes, "key");
+  return GetAesGcmKey(aad, iv_bytes, key_bytes, aes_key, params);
+}
+
+bool EncTool::GetChachaKey(const std::vector<uint8_t>& aad,
+                           const std::vector<uint8_t>& iv_bytes,
+                           const std::vector<uint8_t>& key_bytes,
+                           ScopedSECItem& chacha_key, ScopedSECItem& params) {
+  if (iv_bytes.empty()) {
+    return false;
+  }
+
+  // AEAD params.
+  CK_NSS_AEAD_PARAMS* aead_params = static_cast<CK_NSS_AEAD_PARAMS*>(
+      PORT_Malloc(sizeof(struct CK_NSS_AEAD_PARAMS)));
+  if (!aead_params) {
+    return false;
+  }
+
+  uint8_t* iv = static_cast<uint8_t*>(PORT_Malloc(iv_bytes.size()));
+  if (!iv) {
+    return false;
+  }
+  memcpy(iv, iv_bytes.data(), iv_bytes.size());
+  aead_params->pNonce = iv;
+  aead_params->ulNonceLen = iv_bytes.size();
+  aead_params->ulTagLen = 16;
+  if (aad.empty()) {
+    aead_params->pAAD = nullptr;
+    aead_params->ulAADLen = 0;
+  } else {
+    uint8_t* ad = static_cast<uint8_t*>(PORT_Malloc(aad.size()));
+    if (!ad) {
+      return false;
+    }
+    memcpy(ad, aad.data(), aad.size());
+    aead_params->pAAD = ad;
+    aead_params->ulAADLen = aad.size();
+  }
+
+  params =
+      ScopedSECItem(SECITEM_AllocItem(nullptr, nullptr, sizeof(*aead_params)));
+  if (!params) {
+    return false;
+  }
+  params->len = sizeof(*aead_params);
+  params->type = siBuffer;
+  params->data = reinterpret_cast<unsigned char*>(aead_params);
+
+  return GetKey(key_bytes, chacha_key);
+}
+
+bool EncTool::GenerateChachaKey(const std::vector<uint8_t>& aad,
+                                ScopedSECItem& chacha_key,
+                                ScopedSECItem& params) {
+  size_t key_size = 32, iv_size = 12;
+  std::vector<uint8_t> iv_bytes = GenerateRandomness(iv_size);
+  PrintBytes(iv_bytes, "IV");
+  std::vector<uint8_t> key_bytes = GenerateRandomness(key_size);
+  PrintBytes(key_bytes, "key");
+  // Maybe write out the key and parameters.
+  if (write_key_ && !WriteBytes(key_bytes, key_file_)) {
+    return false;
+  }
+  if (write_iv_ && !WriteBytes(iv_bytes, iv_file_)) {
+    return false;
+  }
+  return GetChachaKey(aad, iv_bytes, key_bytes, chacha_key, params);
+}
+
+bool EncTool::ReadChachaKey(const std::vector<uint8_t>& aad,
+                            ScopedSECItem& chacha_key, ScopedSECItem& params) {
+  std::vector<uint8_t> iv_bytes = ReadInputData(iv_file_);
+  PrintBytes(iv_bytes, "IV");
+  std::vector<uint8_t> key_bytes = ReadInputData(key_file_);
+  PrintBytes(key_bytes, "key");
+  return GetChachaKey(aad, iv_bytes, key_bytes, chacha_key, params);
+}
+
+bool EncTool::DoCipher(std::string file_name, std::string out_file,
+                       bool encrypt, key_func_t get_params) {
+  SECStatus rv;
+  unsigned int outLen = 0, chunkSize = 1024;
+  char buffer[1040];
+  const unsigned char* bufferStart =
+      reinterpret_cast<const unsigned char*>(buffer);
+
+  ScopedPK11SlotInfo slot(PK11_GetInternalSlot());
+  if (!slot) {
+    PrintError("Unable to find security device", PR_GetError(), __LINE__);
+    return false;
+  }
+
+  ScopedSECItem key, params;
+  if (!(this->*get_params)(std::vector<uint8_t>(), key, params)) {
+    PrintError("Geting keys and params failed.", __LINE__);
+    return false;
+  }
+
+  ScopedPK11SymKey symKey(
+      PK11_ImportSymKey(slot.get(), cipher_mech_, PK11_OriginUnwrap,
+                        CKA_DECRYPT | CKA_ENCRYPT, key.get(), nullptr));
+  if (!symKey) {
+    PrintError("Failure to import key into NSS", PR_GetError(), __LINE__);
+    return false;
+  }
+
+  std::streambuf* buf;
+  std::ofstream output_file(out_file, std::ios::out | std::ios::binary);
+  if (!out_file.empty()) {
+    if (!output_file.good()) {
+      return false;
+    }
+    buf = output_file.rdbuf();
+  } else {
+    buf = std::cout.rdbuf();
+  }
+  std::ostream output(buf);
+
+  // Read from stdin.
+  if (file_name.empty()) {
+    std::vector<uint8_t> data = ReadInputData("");
+    std::vector<uint8_t> out(data.size() + 16);
+    SECStatus rv;
+    if (encrypt) {
+      rv = PK11_Encrypt(symKey.get(), cipher_mech_, params.get(), out.data(),
+                        &outLen, data.size() + 16, data.data(), data.size());
+    } else {
+      rv = PK11_Decrypt(symKey.get(), cipher_mech_, params.get(), out.data(),
+                        &outLen, data.size() + 16, data.data(), data.size());
+    }
+    if (rv != SECSuccess) {
+      PrintError(encrypt ? "Error encrypting" : "Error decrypting",
+                 PR_GetError(), __LINE__);
+      return false;
+    };
+    output.write(reinterpret_cast<char*>(out.data()), outLen);
+    output.flush();
+    if (output_file.good()) {
+      output_file.close();
+    } else {
+      output << std::endl;
+    }
+
+    std::cerr << "Done " << (encrypt ? "encrypting" : "decrypting")
+              << std::endl;
+    return true;
+  }
+
+  // Read file from file_name.
+  std::ifstream input(file_name, std::ios::binary);
+  if (!input.good()) {
+    return false;
+  }
+  uint8_t out[1040];
+  while (input) {
+    if (encrypt) {
+      input.read(buffer, chunkSize);
+      rv = PK11_Encrypt(symKey.get(), cipher_mech_, params.get(), out, &outLen,
+                        chunkSize + 16, bufferStart, input.gcount());
+    } else {
+      // We have to read the tag when decrypting.
+      input.read(buffer, chunkSize + 16);
+      rv = PK11_Decrypt(symKey.get(), cipher_mech_, params.get(), out, &outLen,
+                        chunkSize + 16, bufferStart, input.gcount());
+    }
+    if (rv != SECSuccess) {
+      PrintError(encrypt ? "Error encrypting" : "Error decrypting",
+                 PR_GetError(), __LINE__);
+      return false;
+    };
+    output.write(reinterpret_cast<const char*>(out), outLen);
+    output.flush();
+  }
+  if (output_file.good()) {
+    output_file.close();
+  } else {
+    output << std::endl;
+  }
+  std::cerr << "Done " << (encrypt ? "encrypting" : "decrypting") << std::endl;
+
+  return true;
+}
+
+size_t EncTool::PrintFileSize(std::string file_name) {
+  std::ifstream input(file_name, std::ifstream::ate | std::ifstream::binary);
+  auto size = input.tellg();
+  std::cerr << "Size of file to encrypt: " << size / 1024 / 1024 << " MB"
+            << std::endl;
+  return size;
+}
+
+bool EncTool::IsValidCommand(ArgParser arguments) {
+  // Either encrypt or decrypt is fine.
+  bool valid = arguments.Has("--encrypt") != arguments.Has("--decrypt");
+  // An input file is required for decryption only.
+  valid &= arguments.Has("--in") || arguments.Has("--encrypt");
+  // An output file is required for encryption only.
+  valid &= arguments.Has("--out") || arguments.Has("--decrypt");
+  // Files holding the IV and key are required for decryption.
+  valid &= arguments.Has("--iv") || arguments.Has("--encrypt");
+  valid &= arguments.Has("--key") || arguments.Has("--encrypt");
+  // Cipher is always required.
+  valid &= arguments.Has("--cipher");
+  return valid;
+}
+
+bool EncTool::Run(const std::vector<std::string>& arguments) {
+  ArgParser parser(arguments);
+
+  if (!IsValidCommand(parser)) {
+    Usage();
+    return false;
+  }
+
+  if (NSS_NoDB_Init(nullptr) != SECSuccess) {
+    PrintError("NSS initialization failed", PR_GetError(), __LINE__);
+    return false;
+  }
+
+  if (parser.Has("--debug")) {
+    debug_ = 1;
+  }
+  if (parser.Has("--iv")) {
+    iv_file_ = parser.Get("--iv");
+  } else {
+    write_iv_ = false;
+  }
+  if (parser.Has("--key")) {
+    key_file_ = parser.Get("--key");
+  } else {
+    write_key_ = false;
+  }
+
+  key_func_t get_params;
+  bool encrypt = parser.Has("--encrypt");
+  if (parser.Get("--cipher") == kAESCommand) {
+    cipher_mech_ = CKM_AES_GCM;
+    if (encrypt) {
+      get_params = &EncTool::GenerateAesGcmKey;
+    } else {
+      get_params = &EncTool::ReadAesGcmKey;
+    }
+  } else if (parser.Get("--cipher") == kChaChaCommand) {
+    cipher_mech_ = CKM_NSS_CHACHA20_POLY1305;
+    if (encrypt) {
+      get_params = &EncTool::GenerateChachaKey;
+    } else {
+      get_params = &EncTool::ReadChachaKey;
+    }
+  } else {
+    Usage();
+    return false;
+  }
+  // Don't write out key and iv when decrypting.
+  if (!encrypt) {
+    write_key_ = false;
+    write_iv_ = false;
+  }
+
+  std::string input_file = parser.Has("--in") ? parser.Get("--in") : "";
+  std::string output_file = parser.Has("--out") ? parser.Get("--out") : "";
+  size_t file_size = 0;
+  if (!input_file.empty()) {
+    file_size = PrintFileSize(input_file);
+  }
+  auto begin = std::chrono::high_resolution_clock::now();
+  if (!DoCipher(input_file, output_file, encrypt, get_params)) {
+    (void)NSS_Shutdown();
+    return false;
+  }
+  auto end = std::chrono::high_resolution_clock::now();
+  auto ns =
+      std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin).count();
+  auto seconds = ns / 1000000000;
+  std::cerr << ns << " ns (~" << seconds << " s) and " << std::endl;
+  std::cerr << "That's approximately " << (double)file_size / ns << " b/ns"
+            << std::endl;
+
+  if (NSS_Shutdown() != SECSuccess) {
+    return false;
+  }
+
+  return true;
+}
+
+void EncTool::Usage() {
+  std::string const txt = R"~(
+Usage: nss encrypt|decrypt --cipher aes|chacha [--in <file>] [--out <file>]
+           [--key <file>] [--iv <file>]
+
+    --cipher         Set the cipher to use.
+                     --cipher aes:    Use AES-GCM to encrypt/decrypt.
+                     --cipher chacha: Use ChaCha20/Poly1305 to encrypt/decrypt.
+    --in             The file to encrypt/decrypt. If no file is given, we read
+                     from stdin (only when encrypting).
+    --out            The file to write the ciphertext/plaintext to. If no file
+                     is given we write the plaintext to stdout (only when
+                     decrypting).
+    --key            The file to write the used key to/to read the key
+                     from. Optional parameter. When not given, don't write out
+                     the key.
+    --iv             The file to write the used IV to/to read the IV
+                     from. Optional parameter. When not given, don't write out
+                     the IV.
+
+    Examples:
+        nss encrypt --cipher aes --iv iv --key key --out ciphertext
+        nss decrypt --cipher chacha --iv iv --key key --in ciphertex
+
+    Note: This tool overrides files without asking.
+)~";
+  std::cerr << txt << std::endl;
+}
diff --git a/security/nss/nss-tool/enc/enctool.h b/security/nss/nss-tool/enc/enctool.h
new file mode 100644
index 000000000..5a6a5a164
--- /dev/null
+++ b/security/nss/nss-tool/enc/enctool.h
@@ -0,0 +1,62 @@
+/* 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/. */
+
+#ifndef enctool_h__
+#define enctool_h__
+
+#include <string>
+#include <vector>
+#include "argparse.h"
+#include "prerror.h"
+#include "scoped_ptrs.h"
+#include "tool.h"
+
+class EncTool : public Tool {
+ public:
+  bool Run(const std::vector<std::string>& arguments) override;
+  void Usage() override;
+
+ private:
+  typedef bool (EncTool::*key_func_t)(const std::vector<uint8_t>& aad,
+                                      ScopedSECItem& chacha_key,
+                                      ScopedSECItem& params);
+  void PrintBytes(const std::vector<uint8_t>& bytes, const std::string& txt);
+  bool WriteBytes(const std::vector<uint8_t>& bytes, std::string out_file);
+  void PrintError(const std::string& m, PRErrorCode err, size_t line_number);
+  void PrintError(const std::string& m, size_t line_number);
+  bool GetKey(const std::vector<uint8_t>& key_bytes, ScopedSECItem& key_item);
+  bool GetAesGcmKey(const std::vector<uint8_t>& aad,
+                    const std::vector<uint8_t>& iv_bytes,
+                    const std::vector<uint8_t>& key_bytes,
+                    ScopedSECItem& aes_key, ScopedSECItem& params);
+  bool GetChachaKey(const std::vector<uint8_t>& aad,
+                    const std::vector<uint8_t>& iv_bytes,
+                    const std::vector<uint8_t>& key_bytes,
+                    ScopedSECItem& chacha_key, ScopedSECItem& params);
+  bool GenerateAesGcmKey(const std::vector<uint8_t>& aad,
+                         ScopedSECItem& aes_key, ScopedSECItem& params);
+  bool ReadAesGcmKey(const std::vector<uint8_t>& aad, ScopedSECItem& aes_key,
+                     ScopedSECItem& params);
+  std::vector<uint8_t> GenerateRandomness(size_t num_bytes);
+  bool GenerateChachaKey(const std::vector<uint8_t>& aad,
+                         ScopedSECItem& chacha_key, ScopedSECItem& params);
+  bool ReadChachaKey(const std::vector<uint8_t>& aad, ScopedSECItem& chacha_key,
+                     ScopedSECItem& params);
+  bool DoCipher(std::string fileName, std::string outFile, bool encrypt,
+                key_func_t get_params);
+  size_t PrintFileSize(std::string fileName);
+  bool IsValidCommand(ArgParser arguments);
+
+  bool debug_ = false;
+  bool write_key_ = true;
+  bool write_iv_ = true;
+  std::string key_file_ = "/tmp/key";
+  std::string iv_file_ = "/tmp/iv";
+  CK_MECHANISM_TYPE cipher_mech_;
+
+  const std::string kAESCommand = "aes";
+  const std::string kChaChaCommand = "chacha";
+};
+
+#endif  // enctool_h__
diff --git a/security/nss/nss-tool/nss_tool.cc b/security/nss/nss-tool/nss_tool.cc
new file mode 100644
index 000000000..8864f140d
--- /dev/null
+++ b/security/nss/nss-tool/nss_tool.cc
@@ -0,0 +1,70 @@
+/* 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 <algorithm>
+#include <cstring>
+#include <iostream>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <prinit.h>
+
+#include "argparse.h"
+#include "db/dbtool.h"
+#include "digest/digesttool.h"
+#include "enc/enctool.h"
+#include "tool.h"
+
+static void Usage() {
+  std::cerr << "Usage: nss <command> <subcommand> [options]" << std::endl;
+  std::cerr << "       nss db [--path <directory>] <commands>" << std::endl;
+  std::cerr << "       nss encrypt <options>" << std::endl;
+  std::cerr << "       nss decrypt <options>" << std::endl;
+  std::cerr << "       nss digest <options>" << std::endl;
+}
+
+static const std::string kDbCommand = "db";
+static const std::string kEncryptCommand = "encrypt";
+static const std::string kDecryptCommand = "decrypt";
+static const std::string kDigestCommand = "digest";
+
+int main(int argc, char **argv) {
+  if (argc < 2) {
+    Usage();
+    return 1;
+  }
+  std::vector<std::string> arguments(argv + 2, argv + argc);
+
+  std::unique_ptr<Tool> tool = nullptr;
+  if (argv[1] == kDbCommand) {
+    tool = std::unique_ptr<Tool>(new DBTool());
+  }
+  if (argv[1] == kEncryptCommand) {
+    tool = std::unique_ptr<Tool>(new EncTool());
+    arguments.push_back("--encrypt");
+  }
+  if (argv[1] == kDecryptCommand) {
+    tool = std::unique_ptr<Tool>(new EncTool());
+    arguments.push_back("--decrypt");
+  }
+  if (argv[1] == kDigestCommand) {
+    tool = std::unique_ptr<Tool>(new DigestTool());
+  }
+  if (!tool) {
+    Usage();
+    return 1;
+  }
+
+  int exit_code = 0;
+  PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1);
+
+  if (!tool->Run(arguments)) {
+    exit_code = 1;
+  }
+
+  PR_Cleanup();
+
+  return exit_code;
+}
diff --git a/security/nss/nss-tool/nss_tool.gyp b/security/nss/nss-tool/nss_tool.gyp
new file mode 100644
index 000000000..a5d03fcf9
--- /dev/null
+++ b/security/nss/nss-tool/nss_tool.gyp
@@ -0,0 +1,31 @@
+# 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/.
+{
+  'includes' : [
+    '../coreconf/config.gypi',
+    '../cmd/platlibs.gypi',
+  ],
+  'targets' : [
+    {
+      'target_name' : 'nss',
+      'type' : 'executable',
+      'sources' : [
+        'nss_tool.cc',
+        'common/argparse.cc',
+        'common/util.cc',
+        'db/dbtool.cc',
+        'enc/enctool.cc',
+        'digest/digesttool.cc'
+      ],
+      'include_dirs': [
+        'common',
+      ],
+      'dependencies' : [
+        '<(DEPTH)/cpputil/cpputil.gyp:cpputil',
+        '<(DEPTH)/exports.gyp:dbm_exports',
+        '<(DEPTH)/exports.gyp:nss_exports',
+      ],
+    }
+  ],
+}