[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis webpage provides reference documentation for the \u003ccode\u003eUrlSigner.HmacBlobSigner\u003c/code\u003e class within the Google Cloud Storage v1 API for .NET, used for signing blobs with an HMAC secret.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eUrlSigner.HmacBlobSigner\u003c/code\u003e class implements the \u003ccode\u003eUrlSigner.IBlobSigner\u003c/code\u003e interface and is designed to create signatures for Google Cloud Storage objects using an HMAC key.\u003c/p\u003e\n"],["\u003cp\u003eThe class provides methods like \u003ccode\u003eCreate\u003c/code\u003e, which creates a new \u003ccode\u003eHmacBlobSigner\u003c/code\u003e instance from an HMAC key ID and secret, and \u003ccode\u003eCreateSignature\u003c/code\u003e and \u003ccode\u003eCreateSignatureAsync\u003c/code\u003e, which synchronously and asynchronously sign data.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation details the properties of the \u003ccode\u003eHmacBlobSigner\u003c/code\u003e, including \u003ccode\u003eAlgorithm\u003c/code\u003e and \u003ccode\u003eId\u003c/code\u003e, along with parameters and return types for each method.\u003c/p\u003e\n"],["\u003cp\u003eThe page also lists available versions of the class, with version 4.11.0 being the latest.\u003c/p\u003e\n"]]],[],null,["# Google Cloud Storage v1 API - Class UrlSigner.HmacBlobSigner (4.13.0)\n\nVersion latestkeyboard_arrow_down\n\n- [4.13.0 (latest)](/dotnet/docs/reference/Google.Cloud.Storage.V1/latest/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.11.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.11.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.10.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.10.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.9.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.9.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.8.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.8.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.7.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.7.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.6.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.6.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.5.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.5.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.4.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.4.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.3.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.3.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.2.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.2.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.1.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.1.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [4.0.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/4.0.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [3.7.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/3.7.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [3.6.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/3.6.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [3.5.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/3.5.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner)\n- [3.4.0](/dotnet/docs/reference/Google.Cloud.Storage.V1/3.4.0/Google.Cloud.Storage.V1.UrlSigner.HmacBlobSigner) \n\n public sealed class UrlSigner.HmacBlobSigner : UrlSigner.IBlobSigner\n\nReference documentation and code samples for the Google Cloud Storage v1 API class UrlSigner.HmacBlobSigner.\n\nBlob signer to implement signing using an HMAC secret. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e UrlSigner.HmacBlobSigner \n\nImplements\n----------\n\n[UrlSigner](/dotnet/docs/reference/Google.Cloud.Storage.V1/latest/Google.Cloud.Storage.V1.UrlSigner)[IBlobSigner](/dotnet/docs/reference/Google.Cloud.Storage.V1/latest/Google.Cloud.Storage.V1.UrlSigner.IBlobSigner) \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.Storage.V1](/dotnet/docs/reference/Google.Cloud.Storage.V1/latest/Google.Cloud.Storage.V1)\n\nAssembly\n--------\n\nGoogle.Cloud.Storage.V1.dll\n\nProperties\n----------\n\n### Algorithm\n\n public string Algorithm { get; }\n\nThe signing algorithm used by this blob signer.\n\n### Id\n\n public string Id { get; }\n\nThe identity of the signer, typically an email address.\n\nMethods\n-------\n\n### Create(string, string)\n\n public static UrlSigner.HmacBlobSigner Create(string keyId, string secret)\n\nCreates a new HMAC Blob Signer from an HMAC Key ID and Secret.\n\n### CreateSignature(byte\\[\\], BlobSignerParameters)\n\n public string CreateSignature(byte[] data, UrlSigner.BlobSignerParameters parameters)\n\nSynchronously signs the given blob.\n\n### CreateSignatureAsync(byte\\[\\], BlobSignerParameters, CancellationToken)\n\n public Task\u003cstring\u003e CreateSignatureAsync(byte[] data, UrlSigner.BlobSignerParameters parameters, CancellationToken cancellationToken)\n\nAsynchronously signs the given blob."]]