crypto/BUILD.gn

# Copyright 2013 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import("//build/buildflag_header.gni")
import("//build/config/chromeos/ui_mode.gni")
if (!use_cobalt_customizations) {
import("//components/nacl/toolchain.gni")
}
import("//crypto/features.gni")
import("//testing/test.gni")

buildflag_header("buildflags") {
  header = "crypto_buildflags.h"
  flags = [ "USE_NSS_CERTS=$use_nss_certs" ]
}

component("crypto") {
  output_name = "crcrypto"  # Avoid colliding with OpenSSL's libcrypto.
  sources = [
    "aead.cc",
    "aead.h",
    "crypto_export.h",
    "ec_private_key.cc",
    "ec_private_key.h",
    "ec_signature_creator.cc",
    "ec_signature_creator.h",
    "ec_signature_creator_impl.cc",
    "ec_signature_creator_impl.h",
    "encryptor.cc",
    "encryptor.h",
    "hkdf.cc",
    "hkdf.h",
    "hmac.cc",
    "hmac.h",
    "openssl_util.cc",
    "openssl_util.h",
    "p224_spake.cc",
    "p224_spake.h",
    "random.cc",
    "random.h",
    "rsa_private_key.cc",
    "rsa_private_key.h",
    "scoped_nss_types.h",
    "secure_hash.cc",
    "secure_hash.h",
    "secure_util.cc",
    "secure_util.h",
    "sha2.cc",
    "sha2.h",
    "signature_creator.cc",
    "signature_creator.h",
    "signature_verifier.cc",
    "signature_verifier.h",
    "symmetric_key.cc",
    "symmetric_key.h",
    "unexportable_key.cc",
    "unexportable_key.h",
    "unexportable_key_metrics.cc",
    "unexportable_key_metrics.h",
  ]

  deps = [
    "//base",
    "//base/third_party/dynamic_annotations",
  ]

  public_deps = [
    ":buildflags",
    "//third_party/boringssl",
  ]

  if (is_apple && !is_starboard) {
    sources += [
      "apple_keychain.h",

      # TODO(brettw): these mocks should be moved to a test_support_crypto
      # target if possible.
      "mock_apple_keychain.cc",
      "mock_apple_keychain.h",
    ]

    if (is_mac) {
      sources += [
        "apple_keychain_mac.cc",

        # TODO(brettw): these mocks should be moved to a test_support_crypto
        # target if possible.
        "mock_apple_keychain_mac.cc",
      ]
    }
    if (is_ios) {
      sources += [
        "apple_keychain_ios.mm",

        # TODO(brettw): these mocks should be moved to a test_support_crypto
        # target if possible.
        "mock_apple_keychain_ios.cc",
      ]
    }

    frameworks = [
      "CoreFoundation.framework",
      "Security.framework",
    ]
  }

  if (is_mac) {
    sources += [
      "mac_security_services_lock.cc",
      "mac_security_services_lock.h",
    ]
  }
  if (is_win) {
    sources += [
      "scoped_capi_types.h",
      "scoped_cng_types.h",
      "unexportable_key_win.cc",
    ]
    libs = [ "ncrypt.lib" ]
  }

  # Some files are built when NSS is used for the platform certificate library.
  if (use_nss_certs) {
    sources += [
      "nss_crypto_module_delegate.h",
      "nss_key_util.cc",
      "nss_key_util.h",
      "nss_util.cc",
      "nss_util.h",
      "nss_util_internal.h",
    ]
    deps += [
      "//build:chromeos_buildflags",
      "//components/nacl/common:buildflags",
    ]
    configs += [ "//build/config/linux/nss" ]
  }

  if (is_chromeos_ash && !is_minimal_toolchain) {
    sources += [ "nss_util_chromeos.cc" ]
  }

  if (is_chromeos && !is_minimal_toolchain) {
    sources += [
      "chaps_support.cc",
      "chaps_support.h",
    ]
  }

  defines = [ "CRYPTO_IMPLEMENTATION" ]
}

test("crypto_unittests") {
  sources = [
    "aead_unittest.cc",
    "ec_private_key_unittest.cc",
    "ec_signature_creator_unittest.cc",
    "encryptor_unittest.cc",
    "hmac_unittest.cc",
    "p224_spake_unittest.cc",
    "random_unittest.cc",
    "rsa_private_key_unittest.cc",
    "secure_hash_unittest.cc",
    "sha2_unittest.cc",
    "signature_creator_unittest.cc",
    "signature_verifier_unittest.cc",
    "symmetric_key_unittest.cc",
    "unexportable_key_unittest.cc",
  ]

  if (is_win) {
    sources += [ "unexportable_key_metrics_unittest.cc" ]

    if (cobalt_pending_clean_up) {
      # TODO: b/329904264 - Re-enable on Windows once on clang.
      sources -= [ "secure_hash_unittest.cc" ]
    }
  }

  # Some files are built when NSS is used for the platform certificate library.
  if (use_nss_certs) {
    sources += [
      "nss_key_util_unittest.cc",
      "nss_util_unittest.cc",
    ]
    configs += [ "//build/config/linux/nss" ]
  }

  deps = [
    ":crypto",
    ":test_support",
    "//base",
    "//base/test:run_all_unittests",
    "//base/test:test_support",
    "//testing/gmock",
    "//testing/gtest",
  ]
}

static_library("test_support") {
  testonly = true
  sources = [
    "scoped_mock_unexportable_key_provider.cc",
    "scoped_mock_unexportable_key_provider.h",
  ]

  if (use_nss_certs) {
    sources += [
      "scoped_test_nss_db.cc",
      "scoped_test_nss_db.h",
    ]
    configs += [ "//build/config/linux/nss" ]
  }

  if (is_chromeos_ash) {
    sources += [
      "scoped_test_nss_chromeos_user.cc",
      "scoped_test_nss_chromeos_user.h",
      "scoped_test_system_nss_key_slot.cc",
      "scoped_test_system_nss_key_slot.h",
    ]
  }

  deps = [
    ":crypto",
    "//base",
  ]
}

config("platform_config") {
  if (use_nss_certs && is_clang) {
    # There is a broken header guard in /usr/include/nss/secmod.h:
    # https://bugzilla.mozilla.org/show_bug.cgi?id=884072
    cflags = [ "-Wno-header-guard" ]
  }
}

# This is a meta-target that forwards to NSS's SSL library or OpenSSL,
# according to the state of the crypto flags. A target just wanting to depend
# on the current SSL library should just depend on this.
group("platform") {
  if (is_starboard) {
    deps = [ "//starboard:starboard_group", ]
    public_deps = [ "//third_party/boringssl" ]
  } else {
  public_deps = [
    "//third_party/boringssl",
  ]

  # Link in NSS if it is used for the platform certificate library
  # (use_nss_certs).
  if (use_nss_certs) {
    public_configs = [ ":platform_config" ]
    public_configs += [ "//build/config/linux/nss:system_nss_no_ssl_config" ]
  }
  }
}