- About:
  - about/index.md
  - alternatives.md
  - history-design-future.md
  - benchmarks.md
  - management.md
- release-notes.md

markdown_extensions:
  # Python Markdown
  abbr:
  attr_list:
  footnotes:
  md_in_html:
  tables:
  toc:
    permalink: true

  # Python Markdown Extensions
  pymdownx.betterem:
  pymdownx.caret:
  pymdownx.highlight:

#
# This file is autogenerated by pip-compile with Python 3.10
# by the following command:
#
#    bazel run //ci/official/requirements_updater:requirements.update
#
absl-py==2.1.0 \
    --hash=sha256:526a04eadab8b4ee719ce68f204172ead1027549089702d99b9059f129ff1308 \
    --hash=sha256:7820790efbb316739cde8b4e19357243fc3608a152024288513dd968d7d959ff
    # via
    #   keras-nightly
    #   tb-nightly
astor==0.7.1 \

#
# This file is autogenerated by pip-compile with Python 3.12
# by the following command:
#
#    bazel run //ci/official/requirements_updater:requirements.update
#
absl-py==2.1.0 \
    --hash=sha256:526a04eadab8b4ee719ce68f204172ead1027549089702d99b9059f129ff1308 \
    --hash=sha256:7820790efbb316739cde8b4e19357243fc3608a152024288513dd968d7d959ff
    # via
    #   keras-nightly
    #   tb-nightly
astor==0.7.1 \

#
# This file is autogenerated by pip-compile with Python 3.12
# by the following command:
#
#    bazel run //ci/official/requirements_updater:requirements.update
#
absl-py==2.1.0 \
    --hash=sha256:526a04eadab8b4ee719ce68f204172ead1027549089702d99b9059f129ff1308 \
    --hash=sha256:7820790efbb316739cde8b4e19357243fc3608a152024288513dd968d7d959ff
    # via
    #   keras-nightly
    #   tb-nightly
astor==0.7.1 \

  ASSERT_EQ(TF_OK, TF_GetCode(status.get())) << TF_Message(status.get());
  ASSERT_TRUE(absl::StrContains(device_name, "CPU:0")) << device_name;
  const char* backing_device_name =
      TFE_TensorHandleBackingDeviceName(hcpu, status.get());
  ASSERT_EQ(TF_OK, TF_GetCode(status.get())) << TF_Message(status.get());
  ASSERT_TRUE(absl::StrContains(backing_device_name, "CPU:0"))
      << backing_device_name;

# パスワード（およびハッシュ化）によるOAuth2、JWTトークンによるBearer

これでセキュリティの流れが全てわかったので、<abbr title="JSON Web Tokens">JWT</abbr>トークンと安全なパスワードのハッシュ化を使用して、実際にアプリケーションを安全にしてみましょう。

このコードは、アプリケーションで実際に使用したり、パスワードハッシュをデータベースに保存するといった用途に利用できます。

本章では、前章の続きから始めて、コードをアップデートしていきます。

## JWT について

JWTとは「JSON Web Tokens」の略称です。

JSONオブジェクトをスペースのない長く密集した文字列で表現したトークンの仕様です。例えば次のようになります：

```

#
# This file is autogenerated by pip-compile with Python 3.9
# by the following command:
#
#    bazel run //ci/official/requirements_updater:requirements.update
#
absl-py==2.1.0 \
    --hash=sha256:526a04eadab8b4ee719ce68f204172ead1027549089702d99b9059f129ff1308 \
    --hash=sha256:7820790efbb316739cde8b4e19357243fc3608a152024288513dd968d7d959ff
    # via
    #   keras-nightly
    #   tb-nightly
astor==0.7.1 \

e:"2019-05-01",offset:1,name:"\u4ee4\u548c",narrow:"\u32ff",abbr:"R"},{since:"1989-01-08",until:"2019-04-30",offset:1,name:"\u5e73\u6210",narrow:"\u337b",abbr:"H"},{since:"1926-12-25",until:"1989-01-07",offset:1,name:"\u662d\u548c",narrow:"\u337c",abbr:"S"},{since:"1912-07-30",until:"1926-12-24",offset:1,name:"\u5927\u6b63",narrow:"\u337d",abbr:"T"},{since:"1873-01-01",until:"1912-07-29",offset:6,name:"\u660e\u6cbb",narrow:"\u337e",abbr:"M"},{since:"0001-01-01",until:"1873-12-31",offset:1,name:"...

ABB0          ; mapped                 ; 13E0          # 8.0  CHEROKEE SMALL LETTER TLO
ABB1          ; mapped                 ; 13E1          # 8.0  CHEROKEE SMALL LETTER TLU
ABB2          ; mapped                 ; 13E2          # 8.0  CHEROKEE SMALL LETTER TLV
ABB3          ; mapped                 ; 13E3          # 8.0  CHEROKEE SMALL LETTER TSA

#
# This file is autogenerated by pip-compile with Python 3.10
# by the following command:
#
#    bazel run //ci/official/requirements_updater:requirements.update
#
absl-py==2.1.0 \
    --hash=sha256:526a04eadab8b4ee719ce68f204172ead1027549089702d99b9059f129ff1308 \
    --hash=sha256:7820790efbb316739cde8b4e19357243fc3608a152024288513dd968d7d959ff
    # via
    #   keras-nightly
    #   tb-nightly
astor==0.7.1 \