www-authenticate: Bearer error="invalid_token",error_description="The signature key was not found"

Question

www-authenticate: Bearer error="invalid_token",error_description="The signature key was not found"

Gayatri Joshi 0

I am getting below error while validationg intra auth token

i am not able to find IssuerSigningKey from any where

Gayatri Joshi 0

x.TokenValidationParameters = new TokenValidationParameters

{

  ValidateIssuer = true,

  ValidIssuer= "https://login.microsoftonline.com/tenantid/v2.0",

  ValidateAudience = true,

  ValidAudience = "audiend from token decoded",

  //

  

  ValidateIssuerSigningKey = true,

  IssuerSigningKey = new SymmetricSecurityKey(Encoding.ASCII.GetBytes("eNi69Z4ySlYmhUFhG0Nbog")),

};

// how to get "eNi69Z4ySlYmhUFhG0Nbog" this key

Your answer

Gayatri Joshi 0 Reputation points

2025-06-27T06:43:18.4+00:00

x.TokenValidationParameters = new TokenValidationParameters

{

ValidateIssuer = true, ValidIssuer= "https://login.microsoftonline.com/tenantid/v2.0", ValidateAudience = true, ValidAudience = "audiend from token decoded", // ValidateIssuerSigningKey = true, IssuerSigningKey = new SymmetricSecurityKey(Encoding.ASCII.GetBytes("eNi69Z4ySlYmhUFhG0Nbog")),

};

// how to get "eNi69Z4ySlYmhUFhG0Nbog" this key

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www-authenticate: Bearer error="invalid_token",error_description="The signature key was not found"

Your answer