IdentityServer4 SigningCredential(RSA 認證加密)執行個體詳解

來源:互聯網
上載者:User
IdentityServer4 預設提供了兩種認證加密配置:

services.AddIdentityServer()    .AddDeveloperSigningCredential()    .AddTemporarySigningCredential();

這兩種認證加密方式,都是臨時使用,每次重啟項目的時候,都會重建一個新的認證,這時候就會導致一個問題,重啟之前產生的access_token,在重啟之後,就不適用了,因為認證改變了,對應的加密方式也改變了,所以,就會出現下面這個問題:

錯誤資訊:

Www-Authenticate:Bearer error="invalid_token", error_description="The signature key was not found"

解決方式,就是始終使用一個認證,我們先這樣配置:

services.AddIdentityServer()    .AddDeveloperSigningCredential();

可以查看下AddDeveloperSigningCredential實現源碼,啟動項目,IdentityServer4 會在項目目錄中產生一個tempkey.rsa認證檔案:

{    "KeyId": "4e1765de45ef639261115198826dfea7",    "Parameters": {        "D": "FnB7kIinBgoZDaRqIrRQHEF45FBF9amOrTn8oFdmsxPqJbh11bHeCw11AtCCC4p1mm750onDXeP+yoBHymr/wNn40VmGdhR4hnObHhhw5pyQKECIS41DFDatCZif9uhDgHsOvYHMRVNSapDFoDUvbTE6t7rv4prn2fDt5mzRD9AqdT2HyTcwa/H1haaZNwmy3UevYYy8ya4kKXvjRo6+O7BMBh+yBvHgezQ57Ye/NfZfDMITs4djbqELrYVXCTMltNsWWhQtS62cqvKboxoiXfSm67u/li5Fdusc5Z2zsyt5rE/V8h/ffBvS9N9v0VoDTdFqLYkuul0DvTZ/pqXtMQ==",        "DP": "XQDf46csbwu/xX+jwo5VQQ8sKVlVBLuxSNTAbNS6O/aCg9eEjZ58EJ712JgqqORcDMg5JRejN3Zxxoij4roJogyvvw6QSws/H+UTmtuuudgT59OB1TyNGihMVSTLXaw4Kgdj8D8IK8v0okdFEpYugzIIFe1yl0lSzR7fkF+NKC0=",        "DQ": "4TvT9ujJ38sTluz0dUSIUD3NCWJOMDKOB/cL3RaDyMf/MTSxNFfWDuuW55F2P8mncHhqLuANcg2l3h8xom+1ucn+ve45JNoWja4fpWQ16rmijPc5yKRe0uAGEaXJiTAEvIxXG18zvNA8Fab+L2X1h+1r35ZLZFYj+EyhkqQ7u5k=",        "Exponent": "AQAB",        "InverseQ": "nTAEt8v+DlAn6h7Z1Ey1x4Z56OfOmCvY01nte4f3OuSmBXoEaTSoGsXScweAMoSGb0aOG1qpvErtY+JykREeLJxvm4P3DAHL5lJWvDKPvCWJOD9jfzhBUyIhCoqQ8EIHjFxBNKyNefAsVuKdH6R+ApuhpF8XVhR59zLawUQWLEg=",        "Modulus": "43j4tvNZy7IxuiDwZzWv9KiS5kSYIeBqEvQ7zkQmRT3IEsseiTv698iQx8qn+de8FeGFEa8O6igFU2VXqFyWJilTuPmeBPJxIMCqfxdxF+96giVSpN4rOFaH/V+IPNTQoYCLFwcUR2saFywUeKWpsRFhQCymsFIk3AlWu7jcqgKHrELsJpn5KVmedb6JZcVKMIfTrcY6hWQz2JNEhTOEI10ZVZ7ueEp2Q2+1/udvp47wPMhzriXJTFP7Y4ozU2THbuwIqCXM5DNBGUpEug0vlCAhwn6nvAo8e9fT0lpUzTd2T8wWzwuHkAgyjB0XTzSYR1fMJIKH1zDs25RqmlepgQ==",        "P": "9lGtQw9yXz4nbepESFDxAMfDlmiI9Gj3Q3FecKIgGVVi9WVr19lzBcszhsVybA8n1OyPXHdOyuSWOiVp69ibo5OOXLL4iWzY1VOouXeZrYimxNPvVKlRf8AsVcv3n/0/FEhwY9gnQm4PZYUGwQ96WZ5Z/CWJ9xTORg54Wh79hk0=",        "Q": "7Gmr/h33bM+9W4Ygh+tNh3/etECuT/RQ1LMS5uBXxXdvUl6wSm2+ec/CBRobxVHG2pDXdr0pegn0Yz4MprsLtS5KvFg6yopI3Y3TptTGNZPtbd1O7P4i6b+RNOYCq0Y99mkGofqAlAMnDG+SA2EJN2ugPjLelC7GWtfzNG5NMgU="    }}

AddDeveloperSigningCredential中代碼執行,會先判斷tempkey.rsa認證檔案是否存在,如果不存在的話,就建立一個新的tempkey.rsa認證檔案,如果存在的話,就使用此認證檔案。

所以,我們配置的時候,傳遞一個tempkey.rsa認證檔案名稱,就可以了:

services.AddIdentityServer()    .AddDeveloperSigningCredential("tempkey.rsa");

當然,你也可以對tempkey.rsa認證檔案,進行重新命名操作。

參考資料:

  • The signature key was not found

  • IdentityServer4 Configuring services

  • IdentityServer4 Cryptography, Keys and HTTPS

  • ASP.NET Core 實現 OAuth2.0 的 ResourceOwnerPassword 和 ClientCredentials 模式

  • IdentityServerBuilderExtensionsCrypto.cs

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