[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThis page provides documentation for the \u003ccode\u003eIBlobSigner\u003c/code\u003e interface, which is used for signing data blobs.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eIBlobSigner\u003c/code\u003e interface is found within the \u003ccode\u003eGoogle.Apis.Auth.OAuth2\u003c/code\u003e namespace and is part of the \u003ccode\u003eGoogle.Apis.Auth.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"],["\u003cp\u003eThe primary method of this interface is \u003ccode\u003eSignBlobAsync\u003c/code\u003e, which takes a byte array (\u003ccode\u003eblob\u003c/code\u003e) and a \u003ccode\u003eCancellationToken\u003c/code\u003e as input and returns a base64 encoded signature as a string.\u003c/p\u003e\n"],["\u003cp\u003eMultiple versions of this interface are documented, ranging from version 1.50.0 up to the latest version 1.69.0, with links provided to the documentation for each.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation includes a reference to an extension method, \u003ccode\u003eUtilities.ThrowIfNull<T>(T, string)\u003c/code\u003e, which is likely used within the implementation of the interface or related code.\u003c/p\u003e\n"]]],[],null,["# Interface IBlobSigner (1.69.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.69.0 (latest)](/dotnet/docs/reference/Google.Apis/latest/Google.Apis.Auth.OAuth2.IBlobSigner)\n- [1.68.0](/dotnet/docs/reference/Google.Apis/1.68.0/Google.Apis.Auth.OAuth2.IBlobSigner)\n- [1.60.0](/dotnet/docs/reference/Google.Apis/1.60.0/Google.Apis.Auth.OAuth2.IBlobSigner)\n- [1.59.0](/dotnet/docs/reference/Google.Apis/1.59.0/Google.Apis.Auth.OAuth2.IBlobSigner)\n- [1.55.0](/dotnet/docs/reference/Google.Apis/1.55.0/Google.Apis.Auth.OAuth2.IBlobSigner)\n- [1.50.0](/dotnet/docs/reference/Google.Apis/1.50.0/Google.Apis.Auth.OAuth2.IBlobSigner) \n\n public interface IBlobSigner\n\nRepresents a data blob signer.\n\nNamespace\n---------\n\n[Google.Apis.Auth.OAuth2](/dotnet/docs/reference/Google.Apis/latest/Google.Apis.Auth.OAuth2)\n\nAssembly\n--------\n\nGoogle.Apis.Auth.dll\n\nMethods\n-------\n\n### SignBlobAsync(byte\\[\\], CancellationToken)\n\n Task\u003cstring\u003e SignBlobAsync(byte[] blob, CancellationToken cancellationToken = default)\n\nReturns the base64 encoded signature of the given blob.\n\nExtension Method\n----------------\n\n[Utilities.ThrowIfNull\\\u003cT\\\u003e(T, string)](/dotnet/docs/reference/Google.Apis/latest/Google.Apis.Util.Utilities#Google_Apis_Util_Utilities_ThrowIfNull__1___0_System_String_)"]]
