「[[マイクロソフト系技術情報 Wiki>http://techinfoofmicrosofttech.osscons.jp/]]」は、「[[Open棟梁Project>https://github.com/OpenTouryoProject/]]」,「[[OSSコンソーシアム .NET開発基盤部会>https://www.osscons.jp/dotNetDevelopmentInfrastructure/]]」によって運営されています。

-[[戻る>JWT]]

* 目次 [#u45db361]
#contents

*概要 [#rb87a68b]
名前の通り、[[JWT]]ライブラリである「jose-jwt」が良さそうなので使い倒す。

**特徴 [#o4d29f44]
Readme.md中で、以下の様に述べられている。
-.NETと[[.NET Core]]用の最小 or ゼロ依存のアルティメット[[JWT]]実装
-jose.4.j、Nimbus-JOSE-JWT、json-jwtライブラリとの互換性を広範にテスト。

**[[比較>JWT#r4ac23c8]] [#efad17e4]
ライトユーザー向けではなく、ヘビーユーザー向け。

-クロスプラットフォーム実装
-ClientではなくAuthZサイド実装用

的な。

*詳細 [#jebc97ce]

**機能 [#v9a01dd1]

***[[JWS]] [#l00fa0a9]
署名・検証

***[[JWE]] [#pd6a0dcb]
暗号化・復号化

***ユーティリティ [#n2439696]
・・・

**依存関係 [#da102a96]
以下を使用している。

#ref(browser.png,left,nowrap,参照設定)

***[[CAPI(CSP)、CNG>.NETの署名・暗号化アルゴリズム#fde2f12c]] [#q7931d76]
-実装がある。
--https://github.com/dotnet/corefx/tree/master/src/System.Security.Cryptography.Csp/src/System/Security/Cryptography
--https://github.com/dotnet/corefx/tree/master/src/System.Security.Cryptography.Cng/src/System/Security/Cryptography

-しかし、実際に動かすと...([[コチラ>#j86fe726]])。

--プロバイダ~
Windows上でも、Linux上でもNotImplementedExceptionになる。

--CngKey~
Windows上では動作するが、Linux上では、PlatformNotSupportedExceptionが発生する。
 Unhandled Exception: System.PlatformNotSupportedException: Windows Cryptography Next Generation (CNG) is not supported on this platform.
    at System.Security.Cryptography.CngKeyBlobFormat.get_EccPrivateBlob()
    at Security.Cryptography.EccKey.New(Byte[] x, Byte[] y, Byte[] d, CngKeyUsages usage)

---[[X509Certificate2.GetECDsaPrivateKey()>OpenSSL#w0f78b28]]で解決可能(ECDsaOpenSsl)。~
why CngKey.Import is not supported on ubuntu? · Issue #18733 · dotnet/corefx~
https://github.com/dotnet/corefx/issues/18733

***[[OpenSSL>OpenSSL#dbb192d0]] [#l3af4ef0]
-上記の、AlgorithmとX509Certificateでは、更に下位にOpenSSLのNuGetライブラリを参照している。
--Algorithm~
https://github.com/dotnet/corefx/tree/master/src/System.Security.Cryptography.Algorithms/src/System/Security/Cryptography
--X509Certificate~
https://github.com/dotnet/corefx/tree/master/src/System.Security.Cryptography.X509Certificates/src/System/Security/Cryptography/X509Certificates

-ネイティブ実装~
ライセンスには各種Linuxディストリビューション毎のネイティブ実装のライセンスが表示されるので、~
当該ライブラリのクロスプラットフォーム対応も完了しているものと考える。
#ref(license.png,left,nowrap,license)

**Linux上 [#j6420fdb]

***WSL上での.NET Core開発 [#t837eaeb]
-[[「/mnt/c」※ 1 を経由して実行>Windows Subsystem for Linux#w85d0688]]~
※ 1 : DrvFs?のVFSファイルシステムプラグイン。

-[[dotnetコマンド]]を使用して、ビルドと実行を行う。

***bcrypt.dllが見つからない。 [#mfc25367]
 Unhandled Exception: System.DllNotFoundException: Unable to load DLL 'bcrypt.dll': The specified module or one of its dependencies could not be found.
  (Exception from HRESULT: 0x8007007E)
    at Jose.native.BCrypt.BCryptOpenAlgorithmProvider(IntPtr& phAlgorithm, String pszAlgId, String pszImplementation, UInt32 dwFlags)
    at Jose.AesGcm.OpenAlgorithmProvider(String alg, String provider, String chainingMode)
    at Jose.AesGcm.Encrypt(Byte[] key, Byte[] iv, Byte[] aad, Byte[] plainText)
    at Jose.AesGcmKeyWrapManagement.WrapNewKey(Int32 cekSizeBits, Object key, IDictionary`2 header)
    at Jose.JWT.EncodeBytes(Byte[] payload, Object key, JweAlgorithm alg, JweEncryption enc, Nullable`1 compression, IDictionary`2 extraHeaders, JwtSettings settings)

*サンプル・コード [#q8a19d35]

**実装 [#q3a5562c]
https://github.com/OpenTouryoProject/SampleProgram/blob/master/Other/jose_jwt_Sample/jose_jwt_Sample/Program.cs
https://github.com/OpenTouryoProject/SampleProgram/blob/master/Other/Encryption/jose_jwt_Sample/jose_jwt_Sample/Program.cs

**実行 [#pe988d02]
-コマンド~
SampleProgramリポジトリを「C:\Git」にクローンした場合。
 cd /mnt/c/Git1/SampleProgram/Other/Encryption/jose_jwt_Sample
 dotnet publish -c Release -r ubuntu.16.04-x64 --self-contained
 cd jose_jwt_Sample/bin/Release/netcoreapp2.0/ubuntu.16.04-x64/
 dotnet jose_jwt_Sample.dll

**結果 [#n5e68266]

***出力(on Window) [#b265ce98]
 RSA privateX509Key: is not null
 RSA privateSignatureAlgorithm: sha256RSA
 RSA privateX509Key.PrivateKey: is System.Security.Cryptography.RSACng
 RSA publicX509Key: is not null
 RSA publicSignatureAlgorithm: sha256RSA
 RSA publicX509Key: is System.Security.Cryptography.X509Certificates.PublicKey
 RSA publicX509Key.Key: is System.Security.Cryptography.RSACng
 DSA privateX509Key: is not null
 DSA privateSignatureAlgorithm: System.Security.Cryptography.CryptographicException, The OID value is invalid.
 DSA privateX509Key.PrivateKey: is System.Security.Cryptography.DSACng
 DSA publicX509Key: is not null
 DSA publicSignatureAlgorithm: System.Security.Cryptography.CryptographicException, The OID value is invalid.
 DSA publicX509Key: is System.Security.Cryptography.X509Certificates.PublicKey
 DSA publicX509Key.Key: Internal.Cryptography.CryptoThrowHelper+WindowsCryptographicException, プロバイダーの公開キーは無効です。
 privateDSA: is not null
 ECDsa privateX509Key: is not null
 ECDsa privateSignatureAlgorithm: sha256ECDSA
 ECDsa privateX509Key.PrivateKey: System.NotSupportedException, The certificate key algorithm is not supported.
 ECDsa publicX509Key: is not null
 ECDsa publicSignatureAlgorithm: sha256ECDSA
 ECDsa publicX509Key: is System.Security.Cryptography.X509Certificates.PublicKey
 ECDsa publicX509Key.Key: System.NotSupportedException, The certificate key algorithm is not supported.
 privateECDsa: is not null
 publicECDsa: is not null
 ----------------------------------------------------------------------------------------------------
 JwsAlgorithm.none: eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.
 JwsAlgorithm.HS256: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.dvd5Ak6zcBy0OB7gxVtehT3Ab5NO7XEggon6r_CTSfE
 JWT Header: {"alg":"HS256","typ":"JWT"}
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JwsAlgorithm.RS256: eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.jMJbrOaZ_p0xouAFfetm_orlTuwPbJK65-rEto5lIGgCR_oCG_ApQWeCXc5xikto_IcN2nNsHWMOMJMII6WlhVmn9pFTuuj-fZH_aB-aasDSguyXd59BA43a4glZbPCITOwZFfeNMpXGrKG_YNvexP5mtiJYYCDXMgq2zBHS9lQYcGXy4YyGPD_jNu6ziLRNDdKCkRqTppTE2SexZAwaSJRGGuY-fHA3jVPBV90Cty7yBC3ybKmiE4imVQs8CUw7ic61HSytgItIlreol4PMMP8fXB6O1e_K8QJFfRIf9oC07y9Mo5OWl4CCOxvKAo9nos0GTWUUNUH-sugJhUV14A
 JWT Header: {"alg":"RS256","typ":"JWT"}
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JwsAlgorithm.ES256: eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.wkgMJIB4R7gU7WUGJCipcHbv6mblDVY5waSP4s7T8V41GHH8KVYyie-YzCKOYjnDyGkHPu1i2axMHdkntDFgTA
 JWT Header: {"alg":"ES256","typ":"JWT"}
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.RSA1_5, JweEncryption.A128CBC_HS256: eyJhbGciOiJSU0ExXzUiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0.KfU6IprzIIQBWcSiN3G5sU8BN1UA_m17KgsLsya3mmPcP9BtH-OS2RuQzLuD067Og_-7BdlDstRtXZGeh4KJTx1b6DWwWMu5U2LMr70_6QNuPapjsxAf9HdbhvMHfFXPA-PMsF4ljco7WZpWgJmbKTkmlMIh3D1wFbQ6X1SKgYTchPpXEEI_nczyvjDvLA3v2Gt9o8Zuk8J3xUM5Dps_xBpBLLYI91BXfqBAr0letNuscmjbXp5dY9_wHUMvVOq3frXyTOPI65o14ffEUpPeX6rsIHe_PpCBnxmJMcvdEiBIQsMNIVeVTKylAvL9_jJEtbtN5XfBseWaMFekjA7SaQ.QjJKl0Yq-yiU_Kvi31Aw5Q.1v7oiXXTRuMQ6B2wuVZHsMmkkfRZ8kRY5HluSi-lrbKa3WHHwT_s4AQw8ox7P-Eg.8c-M08sMyFZC3k5rSYcamA
 JWT Header: {"alg":"RSA1_5","enc":"A128CBC-HS256"}
 - JWE Encrypted Key: KfU6IprzIIQBWcSiN3G5sU8BN1UA_m17KgsLsya3mmPcP9BtH-OS2RuQzLuD067Og_-7BdlDstRtXZGeh4KJTx1b6DWwWMu5U2LMr70_6QNuPapjsxAf9HdbhvMHfFXPA-PMsF4ljco7WZpWgJmbKTkmlMIh3D1wFbQ6X1SKgYTchPpXEEI_nczyvjDvLA3v2Gt9o8Zuk8J3xUM5Dps_xBpBLLYI91BXfqBAr0letNuscmjbXp5dY9_wHUMvVOq3frXyTOPI65o14ffEUpPeX6rsIHe_PpCBnxmJMcvdEiBIQsMNIVeVTKylAvL9_jJEtbtN5XfBseWaMFekjA7SaQ
 - JWE Initialization Vector: QjJKl0Yq-yiU_Kvi31Aw5Q
 - JWE Ciphertext: 1v7oiXXTRuMQ6B2wuVZHsMmkkfRZ8kRY5HluSi-lrbKa3WHHwT_s4AQw8ox7P-Eg
 - JWE Authentication Tag: 8c-M08sMyFZC3k5rSYcamA
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.RSA_OAEP, JweEncryption.A256GCM: eyJhbGciOiJSU0EtT0FFUCIsImVuYyI6IkEyNTZHQ00ifQ.WTHZMC0ZApHIs0aJX10q2hPpe6uYT-0IYepDRJjuB0w77mxyHF-ksAseq1hSkPyvl_8VJbdF4hISExlK6dDFbMmFr7OjESv_L8aC1v-gWSe59s1QlKeO7aEX9ttI-81UrndN5jaCP-mKb1dblAbgQuX5-t4ypQ7ZuOgqy4rBAmE3ywli0iGN32H4Lkm3kgC2FCgmOvQPLMlGO9WEK002PQ_hkZBNVgO1-Vi7xBjC6u5laAXNIKkJTrMarkrYqRJWtn8j4mbyul83dijs94z3MMQT_ilufO-cs2JVzKYLdAsiOnjifJzC3XE6sq2QwmM9rZ-V0YqbChhDhsGXM1JeEg.N6bHpmIf_61AqfOz.ZMF9pX3srN-Rl-NQDbaNZSG4p5GiPbSFB3Q-fd3lHJhpJ6ZR2EwVKZ272Q.1Tr-Nne9x0x2Kt8XCYRWBg
 JWT Header: {"alg":"RSA-OAEP","enc":"A256GCM"}
 - JWE Encrypted Key: WTHZMC0ZApHIs0aJX10q2hPpe6uYT-0IYepDRJjuB0w77mxyHF-ksAseq1hSkPyvl_8VJbdF4hISExlK6dDFbMmFr7OjESv_L8aC1v-gWSe59s1QlKeO7aEX9ttI-81UrndN5jaCP-mKb1dblAbgQuX5-t4ypQ7ZuOgqy4rBAmE3ywli0iGN32H4Lkm3kgC2FCgmOvQPLMlGO9WEK002PQ_hkZBNVgO1-Vi7xBjC6u5laAXNIKkJTrMarkrYqRJWtn8j4mbyul83dijs94z3MMQT_ilufO-cs2JVzKYLdAsiOnjifJzC3XE6sq2QwmM9rZ-V0YqbChhDhsGXM1JeEg
 - JWE Initialization Vector: N6bHpmIf_61AqfOz
 - JWE Ciphertext: ZMF9pX3srN-Rl-NQDbaNZSG4p5GiPbSFB3Q-fd3lHJhpJ6ZR2EwVKZ272Q
 - JWE Authentication Tag: 1Tr-Nne9x0x2Kt8XCYRWBg
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.DIR, JweEncryption.A128CBC_HS256: eyJhbGciOiJkaXIiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0..-0WCyaIBCnH4XNPFf7CQQg.LvSzXkSHInUbHrYovoiQAeCfr39Vhu98vjzpJmG9DFeY8FgKzlKQgTC3snUMmG7e.qp1aPGQgVXaOPD-uFFvSTw
 JWT Header: {"alg":"dir","enc":"A128CBC-HS256"}
 - JWE Encrypted Key: 
 - JWE Initialization Vector: -0WCyaIBCnH4XNPFf7CQQg
 - JWE Ciphertext: LvSzXkSHInUbHrYovoiQAeCfr39Vhu98vjzpJmG9DFeY8FgKzlKQgTC3snUMmG7e
 - JWE Authentication Tag: qp1aPGQgVXaOPD-uFFvSTw
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.A256KW, JweEncryption.A256CBC_HS512: eyJhbGciOiJBMjU2S1ciLCJlbmMiOiJBMjU2Q0JDLUhTNTEyIn0.X3l4kS2DDU08YOr8p-lFbxMmWyJ4oV9NjgEOSl_T3l3jdCG1xhrkH0p8gqAExkdrjVMlWKeJdgc-gjNaVyH3ocS38yMT7eK1.jdGmcQ8Gvs2qJDQ_Uit3RA.AfB3jBklSYpA1isPjtWpwXWJ6twQl2ILoHrysQA57osDh133fBp1S9JEocicfiXu.L3oBVsQISga8OX_gK6skvkXkN7BVSh3DY2YvJ2Op2fc
 JWT Header: {"alg":"A256KW","enc":"A256CBC-HS512"}
 - JWE Encrypted Key: X3l4kS2DDU08YOr8p-lFbxMmWyJ4oV9NjgEOSl_T3l3jdCG1xhrkH0p8gqAExkdrjVMlWKeJdgc-gjNaVyH3ocS38yMT7eK1
 - JWE Initialization Vector: jdGmcQ8Gvs2qJDQ_Uit3RA
 - JWE Ciphertext: AfB3jBklSYpA1isPjtWpwXWJ6twQl2ILoHrysQA57osDh133fBp1S9JEocicfiXu
 - JWE Authentication Tag: L3oBVsQISga8OX_gK6skvkXkN7BVSh3DY2YvJ2Op2fc
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.A256GCMKW, JweEncryption.A256CBC_HS512: eyJhbGciOiJBMjU2R0NNS1ciLCJlbmMiOiJBMjU2Q0JDLUhTNTEyIiwiaXYiOiI5ekRFVkM0OVVWcVJFRFRHIiwidGFnIjoid1lWNjlkdDE4RzZYMXFfal80WGdxdyJ9.sacNOJZNjvaa4Op7lf0_LGigYfiIDAefuGnC7ZoVD9cdgg9DNDetmu4SqRWmu7IiG9JKTPQfRsH4mTvR4dxGSQ.AxA471H1JlLIOHB3rbNplg.-5RI7ackZh6eTAbzGMqIiik2tdhFFQYoQjPyBWs80dG0-Ka8MEB9690X5folp6WB.fUXy3_RVeJ5JYUC3E3sq6vmA8FuJix3uwH8OqBz-XlA
 JWT Header: {"alg":"A256GCMKW","enc":"A256CBC-HS512","iv":"9zDEVC49UVqREDTG","tag":"wYV69dt18G6X1q_j_4Xgqw"}
 - JWE Encrypted Key: sacNOJZNjvaa4Op7lf0_LGigYfiIDAefuGnC7ZoVD9cdgg9DNDetmu4SqRWmu7IiG9JKTPQfRsH4mTvR4dxGSQ
 - JWE Initialization Vector: AxA471H1JlLIOHB3rbNplg
 - JWE Ciphertext: -5RI7ackZh6eTAbzGMqIiik2tdhFFQYoQjPyBWs80dG0-Ka8MEB9690X5folp6WB
 - JWE Authentication Tag: fUXy3_RVeJ5JYUC3E3sq6vmA8FuJix3uwH8OqBz-XlA
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.ECDH_ES, JweEncryption.A256GCM: System.NotImplementedException, not yet
 JweAlgorithm.PBES2_HS256_A128KW, JweEncryption.A256CBC_HS512: eyJhbGciOiJQQkVTMi1IUzI1NitBMTI4S1ciLCJlbmMiOiJBMjU2Q0JDLUhTNTEyIiwicDJjIjo4MTkyLCJwMnMiOiJrMnFWZHhXRk8wVnFyTVREIn0.txlaYhmMVIPSF8tJU1CNG5_94Th4U5oFWosMGhTX_FI8TCZEgKYBNWcrImxjqUUiUxTVysrMOCxFnZlaz6COnu6ndn_UZqHC.FS62noEqP9Y0_V108WtizA.fY2VHelOGc341BQ0SJfhYFvZ_VjAmeAi8M4dMI4WxLi4REY62RQ3Z-uVTk4X-q6N.WYGrsQV7dwttuu1_zQBjd5jVlocdkVJY_JOcpyu2usg
 JWT Header: {"alg":"PBES2-HS256+A128KW","enc":"A256CBC-HS512","p2c":8192,"p2s":"k2qVdxWFO0VqrMTD"}
 - JWE Encrypted Key: txlaYhmMVIPSF8tJU1CNG5_94Th4U5oFWosMGhTX_FI8TCZEgKYBNWcrImxjqUUiUxTVysrMOCxFnZlaz6COnu6ndn_UZqHC
 - JWE Initialization Vector: FS62noEqP9Y0_V108WtizA
 - JWE Ciphertext: fY2VHelOGc341BQ0SJfhYFvZ_VjAmeAi8M4dMI4WxLi4REY62RQ3Z-uVTk4X-q6N
 - JWE Authentication Tag: WYGrsQV7dwttuu1_zQBjd5jVlocdkVJY_JOcpyu2usg
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 ----------------------------------------------------------------------------------------------------
 Adding extra headers to RS256: eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImN0eSI6IkpXVCIsImtleWlkIjoiMTExLTIyMi0zMzMifQ.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.KwtpHrjNKBnyHo6QRaULxcWZDF9mDKHiQG1QBSmnrwHi7vJSiLH_3fFIcTkQvdu7FstmPOuuVD-T3EPKfv61aHz5o-0dRTylooln5tS_2_uZ4lPV4A2C_Pr_cYzRawUIuTwhCi3n0i-fQapYvKT41qjh0vKalEuDmd6-WDnpGcKdI3dv-kSB_42FfIdbEKDEtYvgyzwj5An9YJim29OsiM-GW6tyqei3nzHrQ0yPhgfKOd89M_azGynAVTTNKvPyZujnILu-XnVu54So-5W2fwg-WkKIpvP2ZZFAWRs-DEapBJWrNm10GGZdid-98SmGoifkaDNpCeIcQe3uetDB6w
 JWT Header: {"alg":"RS256","typ":"JWT","cty":"JWT","keyid":"111-222-333"}
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 Strict validation(RS256): {"sub":"mr.x@contoso.com","exp":1300819380}

***出力(on Linux) [#e516d6ff]
 RSA privateX509Key: is not null
 RSA privateSignatureAlgorithm: sha256RSA
 RSA privateX509Key.PrivateKey: is System.Security.Cryptography.RSAOpenSsl
 RSA publicX509Key: is not null
 RSA publicSignatureAlgorithm: sha256RSA
 RSA publicX509Key: is System.Security.Cryptography.X509Certificates.PublicKey
 RSA publicX509Key.Key: is System.Security.Cryptography.RSAOpenSsl
 DSA privateX509Key: is not null
 DSA privateSignatureAlgorithm: dsa_with_SHA256
 DSA privateX509Key.PrivateKey: is System.Security.Cryptography.DSAOpenSsl
 DSA publicX509Key: is not null
 DSA publicSignatureAlgorithm: dsa_with_SHA256
 DSA publicX509Key: is System.Security.Cryptography.X509Certificates.PublicKey
 DSA publicX509Key.Key: is System.Security.Cryptography.DSAOpenSsl
 privateDSA: is not null
 ECDsa privateX509Key: is not null
 ECDsa privateSignatureAlgorithm: sha256ECDSA
 ECDsa privateX509Key.PrivateKey: System.NotSupportedException, The certificate key algorithm is not supported.
 ECDsa publicX509Key: is not null
 ECDsa publicSignatureAlgorithm: sha256ECDSA
 ECDsa publicX509Key: is System.Security.Cryptography.X509Certificates.PublicKey
 ECDsa publicX509Key.Key: System.NotSupportedException, The certificate key algorithm is not supported.
 privateECDsa: is not null
 publicECDsa: is not null
 ----------------------------------------------------------------------------------------------------
 JwsAlgorithm.none: eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.
 JwsAlgorithm.HS256: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.dvd5Ak6zcBy0OB7gxVtehT3Ab5NO7XEggon6r_CTSfE
 JWT Header: {"alg":"HS256","typ":"JWT"}
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JwsAlgorithm.RS256: eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.jMJbrOaZ_p0xouAFfetm_orlTuwPbJK65-rEto5lIGgCR_oCG_ApQWeCXc5xikto_IcN2nNsHWMOMJMII6WlhVmn9pFTuuj-fZH_aB-aasDSguyXd59BA43a4glZbPCITOwZFfeNMpXGrKG_YNvexP5mtiJYYCDXMgq2zBHS9lQYcGXy4YyGPD_jNu6ziLRNDdKCkRqTppTE2SexZAwaSJRGGuY-fHA3jVPBV90Cty7yBC3ybKmiE4imVQs8CUw7ic61HSytgItIlreol4PMMP8fXB6O1e_K8QJFfRIf9oC07y9Mo5OWl4CCOxvKAo9nos0GTWUUNUH-sugJhUV14A
 JWT Header: {"alg":"RS256","typ":"JWT"}
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JwsAlgorithm.ES256: eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.jGK8Qif5JYRdr4sDugTVZ-DHGodVChkp1TjzoNKCAZ6f0hh_LolY50OZ3d8jPn94e0YjfyESNod_Tncgl4SltA
 JWT Header: {"alg":"ES256","typ":"JWT"}
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.RSA1_5, JweEncryption.A128CBC_HS256: eyJhbGciOiJSU0ExXzUiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0.HxWK2wod23F8c7I0cR3CEIO-Le7Ijp5YnqHc092LqDWWniRr2P3_wM6yrGO5kAxoJIb41OhAh5ASzs0RjxT_bmJW-_diaeBkInrGnHSOfYMtK7pGzdWZ2SLF9tPxE2haOrTUszhXJJseJEz1f6i9uQcDvwV1yvFn7LgMt1dYY9wxrHAVGbcAlK4HVADJHlPmr6Q18sIcEugoifZ78TWM0g4EDFws4ceQpar1ncz-r9najTI461alwdLiZNv3lC4FaARbnoscnADRaALlXf6oE9OE_YAiZMx4dic738bl3a27G2IPgF5kfalk3NeK8UxYdMccZMbehlH1Ji4EUmmWrg.FvmunYTd-ywH_-9MIqdfkg.Q6GRykB-v0dHQHgNFSyjueh9vPdn8NBNwtBWVQfAw8ih7_koDLohua7JCs6u6DMt.ZN0UElA0ROGMqMyXTAF04w
 JWT Header: {"alg":"RSA1_5","enc":"A128CBC-HS256"}
 - JWE Encrypted Key: HxWK2wod23F8c7I0cR3CEIO-Le7Ijp5YnqHc092LqDWWniRr2P3_wM6yrGO5kAxoJIb41OhAh5ASzs0RjxT_bmJW-_diaeBkInrGnHSOfYMtK7pGzdWZ2SLF9tPxE2haOrTUszhXJJseJEz1f6i9uQcDvwV1yvFn7LgMt1dYY9wxrHAVGbcAlK4HVADJHlPmr6Q18sIcEugoifZ78TWM0g4EDFws4ceQpar1ncz-r9najTI461alwdLiZNv3lC4FaARbnoscnADRaALlXf6oE9OE_YAiZMx4dic738bl3a27G2IPgF5kfalk3NeK8UxYdMccZMbehlH1Ji4EUmmWrg
 - JWE Initialization Vector: FvmunYTd-ywH_-9MIqdfkg
 - JWE Ciphertext: Q6GRykB-v0dHQHgNFSyjueh9vPdn8NBNwtBWVQfAw8ih7_koDLohua7JCs6u6DMt
 - JWE Authentication Tag: ZN0UElA0ROGMqMyXTAF04w
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.RSA_OAEP, JweEncryption.A256GCM: System.DllNotFoundException, Unable to load DLL 'bcrypt.dll': The specified module or one of its dependencies could not be found.
  (Exception from HRESULT: 0x8007007E)
 JweAlgorithm.DIR, JweEncryption.A128CBC_HS256: eyJhbGciOiJkaXIiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0..Hm6fqQ008JcA9g-19IqckQ.Wtsi7F6KbJ9jqp26IAcDno_B5Z5xdmRSCmUMp52q9WhtcSqIER7bING8MwwLc5VD.jpQ2rQmoEg1kHnkmBjLXMw
 JWT Header: {"alg":"dir","enc":"A128CBC-HS256"}
 - JWE Encrypted Key: 
 - JWE Initialization Vector: Hm6fqQ008JcA9g-19IqckQ
 - JWE Ciphertext: Wtsi7F6KbJ9jqp26IAcDno_B5Z5xdmRSCmUMp52q9WhtcSqIER7bING8MwwLc5VD
 - JWE Authentication Tag: jpQ2rQmoEg1kHnkmBjLXMw
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.A256KW, JweEncryption.A256CBC_HS512: eyJhbGciOiJBMjU2S1ciLCJlbmMiOiJBMjU2Q0JDLUhTNTEyIn0.smsrsSobtS4q7QHpcK_FtNdTkJxu18LOzRlARsPVJY2emh0kpYed4YSP9CM1fmCqMIdv1EsKTrkJWYmhiSRqy_63pM8aw1nw.plU_Z5Fm9mA2cE8ZAPNrAQ.1A94B7pu8PWSl25CksT3PoSfZS35bSt4_z5vliy3QLN6dXtZvnBiIsO0f0ZAroEw.R9HTEmq2ZTkth57WFUWsUoQsZY3kCtA2XEqNUSbUUBc
 JWT Header: {"alg":"A256KW","enc":"A256CBC-HS512"}
 - JWE Encrypted Key: smsrsSobtS4q7QHpcK_FtNdTkJxu18LOzRlARsPVJY2emh0kpYed4YSP9CM1fmCqMIdv1EsKTrkJWYmhiSRqy_63pM8aw1nw
 - JWE Initialization Vector: plU_Z5Fm9mA2cE8ZAPNrAQ
 - JWE Ciphertext: 1A94B7pu8PWSl25CksT3PoSfZS35bSt4_z5vliy3QLN6dXtZvnBiIsO0f0ZAroEw
 - JWE Authentication Tag: R9HTEmq2ZTkth57WFUWsUoQsZY3kCtA2XEqNUSbUUBc
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 JweAlgorithm.A256GCMKW, JweEncryption.A256CBC_HS512: System.DllNotFoundException, Unable to load DLL 'bcrypt.dll': The specified module or one of its dependencies could not be found.
  (Exception from HRESULT: 0x8007007E)
 JweAlgorithm.ECDH_ES, JweEncryption.A256GCM: System.PlatformNotSupportedException, Windows Cryptography Next Generation (CNG) is not supported on this platform.
 JweAlgorithm.PBES2_HS256_A128KW, JweEncryption.A256CBC_HS512: eyJhbGciOiJQQkVTMi1IUzI1NitBMTI4S1ciLCJlbmMiOiJBMjU2Q0JDLUhTNTEyIiwicDJjIjo4MTkyLCJwMnMiOiJNNmtfejVJdEdXa0hBRV92In0.XKltmS-Uv8SRcpCxEiZZES8-NgwtcAHxoTcUUJrzns-mTuqKzMt5EOJeGjDVGsdRd2zh_080YSHYSj0bi4G0ZbR9afA8UIkQ.BSQA-sf_7SwiYIR7fZmP4A.F-4Qe97AeAWZFqsmL-_LJp17ITY_KvMEcpbL_qXDnQoGtx7DdAHvLHXuWzSxQ6sS.8gmpTzsnIJw4nY4NwEpYvMOO5IHYm2WZrY9Wlj41uzY
 JWT Header: {"alg":"PBES2-HS256+A128KW","enc":"A256CBC-HS512","p2c":8192,"p2s":"M6k_z5ItGWkHAE_v"}
 - JWE Encrypted Key: XKltmS-Uv8SRcpCxEiZZES8-NgwtcAHxoTcUUJrzns-mTuqKzMt5EOJeGjDVGsdRd2zh_080YSHYSj0bi4G0ZbR9afA8UIkQ
 - JWE Initialization Vector: BSQA-sf_7SwiYIR7fZmP4A
 - JWE Ciphertext: F-4Qe97AeAWZFqsmL-_LJp17ITY_KvMEcpbL_qXDnQoGtx7DdAHvLHXuWzSxQ6sS
 - JWE Authentication Tag: 8gmpTzsnIJw4nY4NwEpYvMOO5IHYm2WZrY9Wlj41uzY
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 ----------------------------------------------------------------------------------------------------
 Adding extra headers to RS256: eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImN0eSI6IkpXVCIsImtleWlkIjoiMTExLTIyMi0zMzMifQ.eyJzdWIiOiJtci54QGNvbnRvc28uY29tIiwiZXhwIjoxMzAwODE5MzgwfQ.KwtpHrjNKBnyHo6QRaULxcWZDF9mDKHiQG1QBSmnrwHi7vJSiLH_3fFIcTkQvdu7FstmPOuuVD-T3EPKfv61aHz5o-0dRTylooln5tS_2_uZ4lPV4A2C_Pr_cYzRawUIuTwhCi3n0i-fQapYvKT41qjh0vKalEuDmd6-WDnpGcKdI3dv-kSB_42FfIdbEKDEtYvgyzwj5An9YJim29OsiM-GW6tyqei3nzHrQ0yPhgfKOd89M_azGynAVTTNKvPyZujnILu-XnVu54So-5W2fwg-WkKIpvP2ZZFAWRs-DEapBJWrNm10GGZdid-98SmGoifkaDNpCeIcQe3uetDB6w
 JWT Header: {"alg":"RS256","typ":"JWT","cty":"JWT","keyid":"111-222-333"}
 Decoded: {"sub":"mr.x@contoso.com","exp":1300819380}
 Strict validation(RS256): {"sub":"mr.x@contoso.com","exp":1300819380}

***Inspect ECCurve [#zcb17741]
by the [[ObjectInspector.Inspect>https://github.com/OpenTouryoProject/OpenTouryo/blob/develop/root/programs/CS/Frameworks/Infrastructure/Public/Util/ObjectInspector.cs]]
 [
   Oid = Error. can't process, IsPrime = True, IsCharacteristic2 = False, IsExplicit = True, IsNamed = False, 
   A = [255, 255, 255, 255, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 252],
   B = [90, 198, 53, 216, 170, 58, 147, 231, 179, 235, 189, 85, 118, 152, 134, 188, 101, 29, 6, 176, 204, 83, 176, 246, 59, 206, 60, 62, 39, 210, 96, 75],
   G = [
     X = [107, 23, 209, 242, 225, 44, 66, 71, 248, 188, 230, 229, 99, 164, 64, 242, 119, 3, 125, 129, 45, 235, 51, 160, 244, 161, 57, 69, 216, 152, 194, 150],
     Y = [79, 227, 66, 226, 254, 26, 127, 155, 142, 231, 235, 74, 124, 15, 158, 22, 43, 206, 51, 87, 107, 49, 94, 206, 203, 182, 64, 104, 55, 191, 81, 245]],
   Order = [255, 255, 255, 255, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 188, 230, 250, 173, 167, 23, 158, 132, 243, 185, 202, 194, 252, 99, 37, 81],
   Cofactor = [1],
   Seed = [196, 157, 54, 8, 134, 231, 4, 147, 106, 102, 120, 225, 19, 157, 38, 183, 129, 159, 126, 144],
   CurveType = PrimeShortWeierstrass, Hash = null, Polynomial = null,
   Prime = [255, 255, 255, 255, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255]
 ]

*参考 [#s38a4b31]

**jose-jwt [#ff4c5656]
-NuGet Gallery | jose-jwt~
https://www.nuget.org/packages/jose-jwt/
-dvsekhvalnov/jose-jwt~
https://github.com/dvsekhvalnov/jose-jwt~

**検証 [#f84ed697]
-サイト~
https://jwt.io/
-公開鍵~
https://github.com/OpenTouryoProject/OpenTouryo/blob/develop/root/files/resource/X509/

----
Tags: [[:IT国際標準]], [[:認証基盤]], [[:クレームベース認証]], [[:暗号化]], [[:.NET Core]], [[:.NET Standard]]

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